/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-match-symm.wvr.c


--------------------------------------------------------------------------------


This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd
[2022-02-15 11:25:49,688 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-02-15 11:25:49,689 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-15 11:25:49,709 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-15 11:25:49,709 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-15 11:25:49,710 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-15 11:25:49,710 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2022-02-15 11:25:49,713 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
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[2022-02-15 11:25:49,715 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-15 11:25:49,715 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-15 11:25:49,716 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-15 11:25:49,717 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-15 11:25:49,717 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-15 11:25:49,718 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-15 11:25:49,719 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-15 11:25:49,720 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-15 11:25:49,720 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-15 11:25:49,733 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-15 11:25:49,734 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-02-15 11:25:49,734 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-15 11:25:49,736 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2022-02-15 11:25:49,736 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2022-02-15 11:25:49,738 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-15 11:25:49,739 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-02-15 11:25:49,739 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-02-15 11:25:49,740 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2022-02-15 11:25:49,741 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2022-02-15 11:25:49,742 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-02-15 11:25:49,756 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf
[2022-02-15 11:25:49,793 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-02-15 11:25:49,793 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-15 11:25:49,793 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-15 11:25:49,794 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-15 11:25:49,794 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-15 11:25:49,794 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-15 11:25:49,795 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-15 11:25:49,795 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-02-15 11:25:49,795 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-02-15 11:25:49,795 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-15 11:25:49,795 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-02-15 11:25:49,795 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-02-15 11:25:49,795 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-02-15 11:25:49,795 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-02-15 11:25:49,795 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-02-15 11:25:49,795 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-15 11:25:49,795 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-02-15 11:25:49,795 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-02-15 11:25:49,796 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-02-15 11:25:49,796 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-02-15 11:25:49,796 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-02-15 11:25:49,796 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-15 11:25:49,796 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-02-15 11:25:49,796 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-02-15 11:25:49,796 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-02-15 11:25:49,796 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-15 11:25:49,796 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-15 11:25:49,796 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-02-15 11:25:49,796 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-15 11:25:49,796 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-02-15 11:25:49,797 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-15 11:25:49,797 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-02-15 11:25:49,797 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-15 11:25:49,797 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-15 11:25:49,983 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-15 11:25:50,003 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-15 11:25:50,005 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-15 11:25:50,005 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-02-15 11:25:50,007 INFO  L275        PluginConnector]: CDTParser initialized
[2022-02-15 11:25:50,008 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-match-symm.wvr.c
[2022-02-15 11:25:50,066 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd0cf5e5/ea8e043c8a7e433481501a9d42c3cf27/FLAG390991fff
[2022-02-15 11:25:50,422 INFO  L306              CDTParser]: Found 1 translation units.
[2022-02-15 11:25:50,422 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c
[2022-02-15 11:25:50,431 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd0cf5e5/ea8e043c8a7e433481501a9d42c3cf27/FLAG390991fff
[2022-02-15 11:25:50,833 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd0cf5e5/ea8e043c8a7e433481501a9d42c3cf27
[2022-02-15 11:25:50,835 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-15 11:25:50,836 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-15 11:25:50,840 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-15 11:25:50,840 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-15 11:25:50,843 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-15 11:25:50,843 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:25:50" (1/1) ...
[2022-02-15 11:25:50,846 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@124602e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:25:50, skipping insertion in model container
[2022-02-15 11:25:50,846 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:25:50" (1/1) ...
[2022-02-15 11:25:50,850 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-02-15 11:25:50,865 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-02-15 11:25:51,042 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c[2584,2597]
[2022-02-15 11:25:51,046 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-15 11:25:51,051 INFO  L203         MainTranslator]: Completed pre-run
[2022-02-15 11:25:51,088 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c[2584,2597]
[2022-02-15 11:25:51,089 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-15 11:25:51,101 INFO  L208         MainTranslator]: Completed translation
[2022-02-15 11:25:51,102 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:25:51 WrapperNode
[2022-02-15 11:25:51,102 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-15 11:25:51,104 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-15 11:25:51,104 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-15 11:25:51,104 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-15 11:25:51,109 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:25:51" (1/1) ...
[2022-02-15 11:25:51,121 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:25:51" (1/1) ...
[2022-02-15 11:25:51,147 INFO  L137                Inliner]: procedures = 22, calls = 27, calls flagged for inlining = 11, calls inlined = 17, statements flattened = 180
[2022-02-15 11:25:51,148 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-15 11:25:51,148 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-15 11:25:51,148 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-15 11:25:51,149 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-02-15 11:25:51,154 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:25:51" (1/1) ...
[2022-02-15 11:25:51,155 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:25:51" (1/1) ...
[2022-02-15 11:25:51,165 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:25:51" (1/1) ...
[2022-02-15 11:25:51,166 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:25:51" (1/1) ...
[2022-02-15 11:25:51,175 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:25:51" (1/1) ...
[2022-02-15 11:25:51,177 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:25:51" (1/1) ...
[2022-02-15 11:25:51,178 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:25:51" (1/1) ...
[2022-02-15 11:25:51,179 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-15 11:25:51,180 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-15 11:25:51,180 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-02-15 11:25:51,180 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-02-15 11:25:51,189 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:25:51" (1/1) ...
[2022-02-15 11:25:51,194 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-15 11:25:51,202 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-15 11:25:51,215 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-02-15 11:25:51,233 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-02-15 11:25:51,245 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-15 11:25:51,245 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2022-02-15 11:25:51,245 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2022-02-15 11:25:51,245 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2022-02-15 11:25:51,245 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2022-02-15 11:25:51,245 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-15 11:25:51,245 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-15 11:25:51,245 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-02-15 11:25:51,246 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-15 11:25:51,246 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-15 11:25:51,246 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-02-15 11:25:51,246 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-15 11:25:51,247 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-15 11:25:51,358 INFO  L234             CfgBuilder]: Building ICFG
[2022-02-15 11:25:51,360 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-15 11:25:51,614 INFO  L275             CfgBuilder]: Performing block encoding
[2022-02-15 11:25:51,621 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-15 11:25:51,621 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-15 11:25:51,623 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:25:51 BoogieIcfgContainer
[2022-02-15 11:25:51,623 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-15 11:25:51,625 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-15 11:25:51,625 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-02-15 11:25:51,632 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-02-15 11:25:51,632 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 11:25:50" (1/3) ...
[2022-02-15 11:25:51,632 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c95a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 11:25:51, skipping insertion in model container
[2022-02-15 11:25:51,632 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:25:51" (2/3) ...
[2022-02-15 11:25:51,633 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c95a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 11:25:51, skipping insertion in model container
[2022-02-15 11:25:51,633 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:25:51" (3/3) ...
[2022-02-15 11:25:51,634 INFO  L111   eAbstractionObserver]: Analyzing ICFG chl-match-symm.wvr.c
[2022-02-15 11:25:51,638 WARN  L150   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-15 11:25:51,639 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-15 11:25:51,639 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-15 11:25:51,639 INFO  L534   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-15 11:25:51,696 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,696 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,696 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,697 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,697 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,697 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,697 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,698 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,698 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,698 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,698 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,698 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,698 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,698 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,699 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,699 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,699 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,699 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,700 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,700 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,700 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,701 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,701 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,701 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,702 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,702 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,703 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,703 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,703 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,703 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,704 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,704 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,704 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,704 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,704 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,704 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,704 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,705 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,705 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,705 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,705 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,706 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,706 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,706 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,706 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,706 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,706 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,707 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,707 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,707 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,707 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,707 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,707 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,707 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,708 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,708 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,708 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,708 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,709 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,710 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,710 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,716 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,717 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,717 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,718 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,718 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,718 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,718 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,718 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,718 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,718 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,718 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,720 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,720 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,720 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,720 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,720 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,720 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,720 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,720 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,720 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,720 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,721 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,721 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,721 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,721 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,721 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,721 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,722 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,724 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,725 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,725 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,728 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,730 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,730 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,730 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,730 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,730 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,730 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,730 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,730 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,730 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,731 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,731 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,731 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,731 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,731 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,731 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,731 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,732 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,732 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,732 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,732 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,732 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,732 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,732 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,732 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,732 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,732 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,733 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,733 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,733 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,733 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,733 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,733 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,733 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,733 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,733 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,733 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,734 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,734 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,734 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,734 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,734 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,734 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,734 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,735 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,735 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,735 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,735 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,735 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,735 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,735 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,735 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,736 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,736 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,736 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,736 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,736 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,736 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,736 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,736 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,736 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,736 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,737 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,737 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,737 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,737 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,737 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,737 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,737 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,739 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,740 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,741 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,741 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,741 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,741 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,741 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,741 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,741 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,741 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,741 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,742 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,742 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,742 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,742 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,742 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,742 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,742 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,742 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,742 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,742 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,742 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,743 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,743 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,743 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,743 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,743 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,745 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,745 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,745 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,745 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,745 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,745 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,745 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,745 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,745 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,746 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,746 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,746 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,746 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,746 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,746 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,746 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,746 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,746 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,746 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,747 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,747 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,747 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,747 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,747 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,748 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,748 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,748 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,748 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,748 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,748 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,749 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,751 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,752 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,754 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,754 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,754 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,754 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,755 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,755 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,755 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,755 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,755 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,755 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,755 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,756 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,756 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,756 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,756 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,756 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,756 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,756 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,756 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,756 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,756 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,757 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,761 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,762 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,762 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,762 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,762 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,762 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,763 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,763 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,763 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,763 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,764 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,764 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,764 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,764 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,764 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,765 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,765 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,765 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,765 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,765 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,765 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,765 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,765 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,765 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,765 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,765 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,766 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,766 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,766 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,766 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,766 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,766 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,766 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,767 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,767 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,767 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,767 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,767 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,767 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,767 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,768 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,768 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,768 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,768 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,768 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,769 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,769 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,769 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,769 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,769 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,769 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,769 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,770 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,770 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,770 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,770 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,770 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,770 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,770 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,770 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,770 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,771 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,771 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,774 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,774 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,775 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,775 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,775 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,775 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,775 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,775 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,775 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,775 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,775 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,777 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,777 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,777 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,778 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,778 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,778 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,778 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,778 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,779 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,779 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,779 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,779 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,779 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,779 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,779 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,780 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,780 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,781 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,781 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,781 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,781 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,781 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,781 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,781 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,781 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,781 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,782 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,782 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,782 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,782 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,782 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,783 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,783 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,783 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,783 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,783 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,783 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,783 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,783 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,784 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,784 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,784 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,784 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,784 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,784 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,784 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,784 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,784 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,784 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,784 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,785 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,785 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,785 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,785 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,785 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,785 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,785 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,785 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,785 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,790 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,790 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,790 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,790 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,790 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,790 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,791 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,791 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,792 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,792 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,792 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,792 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,792 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,792 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,792 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,792 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,792 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,795 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,796 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,796 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,796 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,796 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,796 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,796 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,796 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,797 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,797 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,797 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,797 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,797 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,797 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,797 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,797 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,797 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-15 11:25:51,805 INFO  L148    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-02-15 11:25:51,848 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-15 11:25:51,856 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2022-02-15 11:25:51,856 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2022-02-15 11:25:51,869 INFO  L111   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 240 places, 252 transitions, 520 flow
[2022-02-15 11:25:52,468 INFO  L133   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 21452 states, 21451 states have (on average 2.9129644305626776) internal successors, (62486), 21451 states have internal predecessors, (62486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:25:52,509 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 21452 states, 21451 states have (on average 2.9129644305626776) internal successors, (62486), 21451 states have internal predecessors, (62486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:25:52,618 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 192
[2022-02-15 11:25:52,618 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:25:52,619 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:25:52,619 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:25:52,624 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:25:52,624 INFO  L85        PathProgramCache]: Analyzing trace with hash 1046478131, now seen corresponding path program 1 times
[2022-02-15 11:25:52,630 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:25:52,630 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815841252]
[2022-02-15 11:25:52,630 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:25:52,631 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:25:52,802 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:25:52,961 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:25:52,962 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:25:52,962 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815841252]
[2022-02-15 11:25:52,962 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815841252] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:25:52,963 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:25:52,963 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-15 11:25:52,964 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802237903]
[2022-02-15 11:25:52,964 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:25:52,968 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-15 11:25:52,968 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:25:52,992 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-15 11:25:52,993 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-15 11:25:53,036 INFO  L87              Difference]: Start difference. First operand  has 21452 states, 21451 states have (on average 2.9129644305626776) internal successors, (62486), 21451 states have internal predecessors, (62486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:25:53,399 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:25:53,399 INFO  L93              Difference]: Finished difference Result 26277 states and 72723 transitions.
[2022-02-15 11:25:53,400 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-15 11:25:53,402 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191
[2022-02-15 11:25:53,403 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:25:53,538 INFO  L225             Difference]: With dead ends: 26277
[2022-02-15 11:25:53,538 INFO  L226             Difference]: Without dead ends: 23711
[2022-02-15 11:25:53,540 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-15 11:25:53,544 INFO  L933         BasicCegarLoop]: 366 mSDtfsCounter, 143 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-15 11:25:53,545 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 578 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-15 11:25:53,651 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 23711 states.
[2022-02-15 11:25:54,253 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 23711 to 22771.
[2022-02-15 11:25:54,311 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22771 states, 22770 states have (on average 2.7727711901624943) internal successors, (63136), 22770 states have internal predecessors, (63136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:25:54,398 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22771 states to 22771 states and 63136 transitions.
[2022-02-15 11:25:54,399 INFO  L78                 Accepts]: Start accepts. Automaton has 22771 states and 63136 transitions. Word has length 191
[2022-02-15 11:25:54,404 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:25:54,404 INFO  L470      AbstractCegarLoop]: Abstraction has 22771 states and 63136 transitions.
[2022-02-15 11:25:54,404 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:25:54,405 INFO  L276                IsEmpty]: Start isEmpty. Operand 22771 states and 63136 transitions.
[2022-02-15 11:25:54,456 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 192
[2022-02-15 11:25:54,457 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:25:54,457 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:25:54,457 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-15 11:25:54,458 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:25:54,458 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:25:54,458 INFO  L85        PathProgramCache]: Analyzing trace with hash -1705055825, now seen corresponding path program 2 times
[2022-02-15 11:25:54,458 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:25:54,458 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724676238]
[2022-02-15 11:25:54,459 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:25:54,459 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:25:54,576 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:25:54,647 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:25:54,647 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:25:54,647 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724676238]
[2022-02-15 11:25:54,647 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724676238] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:25:54,648 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:25:54,648 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-15 11:25:54,648 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491892002]
[2022-02-15 11:25:54,648 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:25:54,649 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-15 11:25:54,649 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:25:54,649 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-15 11:25:54,649 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-15 11:25:54,650 INFO  L87              Difference]: Start difference. First operand 22771 states and 63136 transitions. Second operand  has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:25:54,852 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:25:54,853 INFO  L93              Difference]: Finished difference Result 27236 states and 74778 transitions.
[2022-02-15 11:25:54,853 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-15 11:25:54,853 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191
[2022-02-15 11:25:54,855 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:25:54,934 INFO  L225             Difference]: With dead ends: 27236
[2022-02-15 11:25:54,935 INFO  L226             Difference]: Without dead ends: 27236
[2022-02-15 11:25:54,938 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-15 11:25:54,939 INFO  L933         BasicCegarLoop]: 367 mSDtfsCounter, 167 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-15 11:25:54,939 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 568 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-15 11:25:55,017 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 27236 states.
[2022-02-15 11:25:55,615 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 27236 to 26367.
[2022-02-15 11:25:55,657 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 26367 states, 26366 states have (on average 2.7478570886748086) internal successors, (72450), 26366 states have internal predecessors, (72450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:25:55,730 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 26367 states to 26367 states and 72450 transitions.
[2022-02-15 11:25:55,731 INFO  L78                 Accepts]: Start accepts. Automaton has 26367 states and 72450 transitions. Word has length 191
[2022-02-15 11:25:55,732 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:25:55,732 INFO  L470      AbstractCegarLoop]: Abstraction has 26367 states and 72450 transitions.
[2022-02-15 11:25:55,732 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:25:55,732 INFO  L276                IsEmpty]: Start isEmpty. Operand 26367 states and 72450 transitions.
[2022-02-15 11:25:55,800 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2022-02-15 11:25:55,801 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:25:55,801 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:25:55,801 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-15 11:25:55,801 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:25:55,802 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:25:55,802 INFO  L85        PathProgramCache]: Analyzing trace with hash 91385591, now seen corresponding path program 1 times
[2022-02-15 11:25:55,802 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:25:55,802 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687250694]
[2022-02-15 11:25:55,802 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:25:55,802 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:25:55,849 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:25:55,989 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:25:55,989 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:25:55,989 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687250694]
[2022-02-15 11:25:55,989 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687250694] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:25:55,990 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:25:55,990 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-02-15 11:25:55,991 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785995940]
[2022-02-15 11:25:55,991 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:25:55,992 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-15 11:25:55,992 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:25:55,992 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-15 11:25:55,993 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2022-02-15 11:25:55,993 INFO  L87              Difference]: Start difference. First operand 26367 states and 72450 transitions. Second operand  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:25:56,424 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:25:56,425 INFO  L93              Difference]: Finished difference Result 27268 states and 74722 transitions.
[2022-02-15 11:25:56,425 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-15 11:25:56,425 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193
[2022-02-15 11:25:56,425 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:25:56,494 INFO  L225             Difference]: With dead ends: 27268
[2022-02-15 11:25:56,494 INFO  L226             Difference]: Without dead ends: 25360
[2022-02-15 11:25:56,496 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342
[2022-02-15 11:25:56,500 INFO  L933         BasicCegarLoop]: 393 mSDtfsCounter, 306 mSDsluCounter, 1379 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 1737 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 11:25:56,501 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [306 Valid, 1737 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 11:25:56,550 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 25360 states.
[2022-02-15 11:25:57,024 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 25360 to 24779.
[2022-02-15 11:25:57,058 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24779 states, 24778 states have (on average 2.7533699249334087) internal successors, (68223), 24778 states have internal predecessors, (68223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:25:57,258 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24779 states to 24779 states and 68223 transitions.
[2022-02-15 11:25:57,258 INFO  L78                 Accepts]: Start accepts. Automaton has 24779 states and 68223 transitions. Word has length 193
[2022-02-15 11:25:57,259 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:25:57,259 INFO  L470      AbstractCegarLoop]: Abstraction has 24779 states and 68223 transitions.
[2022-02-15 11:25:57,259 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:25:57,259 INFO  L276                IsEmpty]: Start isEmpty. Operand 24779 states and 68223 transitions.
[2022-02-15 11:25:57,319 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2022-02-15 11:25:57,319 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:25:57,319 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:25:57,319 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-15 11:25:57,319 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:25:57,320 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:25:57,320 INFO  L85        PathProgramCache]: Analyzing trace with hash 220120295, now seen corresponding path program 2 times
[2022-02-15 11:25:57,320 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:25:57,320 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242334530]
[2022-02-15 11:25:57,320 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:25:57,320 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:25:57,347 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:25:57,439 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:25:57,440 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:25:57,440 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242334530]
[2022-02-15 11:25:57,440 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242334530] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:25:57,440 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:25:57,440 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-02-15 11:25:57,440 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168750583]
[2022-02-15 11:25:57,440 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:25:57,440 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-15 11:25:57,440 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:25:57,441 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-15 11:25:57,441 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2022-02-15 11:25:57,441 INFO  L87              Difference]: Start difference. First operand 24779 states and 68223 transitions. Second operand  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:25:57,790 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:25:57,790 INFO  L93              Difference]: Finished difference Result 25301 states and 69550 transitions.
[2022-02-15 11:25:57,790 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-15 11:25:57,791 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193
[2022-02-15 11:25:57,791 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:25:57,845 INFO  L225             Difference]: With dead ends: 25301
[2022-02-15 11:25:57,845 INFO  L226             Difference]: Without dead ends: 25016
[2022-02-15 11:25:57,846 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306
[2022-02-15 11:25:57,846 INFO  L933         BasicCegarLoop]: 331 mSDtfsCounter, 124 mSDsluCounter, 1544 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 1844 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 11:25:57,846 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 1844 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 11:25:57,892 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 25016 states.
[2022-02-15 11:25:58,366 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 25016 to 24783.
[2022-02-15 11:25:58,393 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24783 states, 24782 states have (on average 2.7532079735291743) internal successors, (68230), 24782 states have internal predecessors, (68230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:25:58,459 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24783 states to 24783 states and 68230 transitions.
[2022-02-15 11:25:58,459 INFO  L78                 Accepts]: Start accepts. Automaton has 24783 states and 68230 transitions. Word has length 193
[2022-02-15 11:25:58,460 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:25:58,460 INFO  L470      AbstractCegarLoop]: Abstraction has 24783 states and 68230 transitions.
[2022-02-15 11:25:58,460 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:25:58,460 INFO  L276                IsEmpty]: Start isEmpty. Operand 24783 states and 68230 transitions.
[2022-02-15 11:25:58,510 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2022-02-15 11:25:58,511 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:25:58,511 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:25:58,511 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-02-15 11:25:58,511 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:25:58,511 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:25:58,512 INFO  L85        PathProgramCache]: Analyzing trace with hash 632035177, now seen corresponding path program 3 times
[2022-02-15 11:25:58,512 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:25:58,512 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795195357]
[2022-02-15 11:25:58,512 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:25:58,512 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:25:58,542 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:25:58,649 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:25:58,649 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:25:58,649 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795195357]
[2022-02-15 11:25:58,649 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795195357] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:25:58,649 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:25:58,649 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-02-15 11:25:58,650 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116698394]
[2022-02-15 11:25:58,650 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:25:58,650 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-15 11:25:58,650 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:25:58,650 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-15 11:25:58,651 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2022-02-15 11:25:58,651 INFO  L87              Difference]: Start difference. First operand 24783 states and 68230 transitions. Second operand  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:25:58,909 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:25:58,910 INFO  L93              Difference]: Finished difference Result 25198 states and 69286 transitions.
[2022-02-15 11:25:58,910 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-15 11:25:58,910 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193
[2022-02-15 11:25:58,910 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:25:59,156 INFO  L225             Difference]: With dead ends: 25198
[2022-02-15 11:25:59,157 INFO  L226             Difference]: Without dead ends: 24947
[2022-02-15 11:25:59,157 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272
[2022-02-15 11:25:59,157 INFO  L933         BasicCegarLoop]: 315 mSDtfsCounter, 99 mSDsluCounter, 1617 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 1907 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 11:25:59,157 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 1907 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 11:25:59,198 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 24947 states.
[2022-02-15 11:25:59,553 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 24947 to 24787.
[2022-02-15 11:25:59,583 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24787 states, 24786 states have (on average 2.753046074396837) internal successors, (68237), 24786 states have internal predecessors, (68237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:25:59,637 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24787 states to 24787 states and 68237 transitions.
[2022-02-15 11:25:59,638 INFO  L78                 Accepts]: Start accepts. Automaton has 24787 states and 68237 transitions. Word has length 193
[2022-02-15 11:25:59,638 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:25:59,638 INFO  L470      AbstractCegarLoop]: Abstraction has 24787 states and 68237 transitions.
[2022-02-15 11:25:59,638 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:25:59,638 INFO  L276                IsEmpty]: Start isEmpty. Operand 24787 states and 68237 transitions.
[2022-02-15 11:25:59,680 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2022-02-15 11:25:59,680 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:25:59,680 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:25:59,680 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-02-15 11:25:59,681 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:25:59,681 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:25:59,681 INFO  L85        PathProgramCache]: Analyzing trace with hash 771229479, now seen corresponding path program 4 times
[2022-02-15 11:25:59,681 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:25:59,681 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426774227]
[2022-02-15 11:25:59,681 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:25:59,682 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:25:59,704 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:25:59,817 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:25:59,817 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:25:59,817 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426774227]
[2022-02-15 11:25:59,817 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426774227] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:25:59,818 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:25:59,818 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-02-15 11:25:59,818 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525637683]
[2022-02-15 11:25:59,818 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:25:59,818 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-15 11:25:59,818 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:25:59,818 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-15 11:25:59,819 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2022-02-15 11:25:59,819 INFO  L87              Difference]: Start difference. First operand 24787 states and 68237 transitions. Second operand  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:00,128 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:00,128 INFO  L93              Difference]: Finished difference Result 25169 states and 69204 transitions.
[2022-02-15 11:26:00,128 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-15 11:26:00,128 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193
[2022-02-15 11:26:00,128 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:00,184 INFO  L225             Difference]: With dead ends: 25169
[2022-02-15 11:26:00,184 INFO  L226             Difference]: Without dead ends: 24697
[2022-02-15 11:26:00,185 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240
[2022-02-15 11:26:00,186 INFO  L933         BasicCegarLoop]: 323 mSDtfsCounter, 95 mSDsluCounter, 1515 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 1811 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:00,188 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 1811 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 11:26:00,234 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 24697 states.
[2022-02-15 11:26:00,666 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 24697 to 24569.
[2022-02-15 11:26:00,699 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24569 states, 24568 states have (on average 2.75358189514816) internal successors, (67650), 24568 states have internal predecessors, (67650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:00,756 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24569 states to 24569 states and 67650 transitions.
[2022-02-15 11:26:00,757 INFO  L78                 Accepts]: Start accepts. Automaton has 24569 states and 67650 transitions. Word has length 193
[2022-02-15 11:26:00,757 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:00,757 INFO  L470      AbstractCegarLoop]: Abstraction has 24569 states and 67650 transitions.
[2022-02-15 11:26:00,757 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:00,757 INFO  L276                IsEmpty]: Start isEmpty. Operand 24569 states and 67650 transitions.
[2022-02-15 11:26:00,796 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2022-02-15 11:26:00,796 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:00,796 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:00,796 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-02-15 11:26:00,797 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:00,797 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:00,797 INFO  L85        PathProgramCache]: Analyzing trace with hash -1404106581, now seen corresponding path program 5 times
[2022-02-15 11:26:00,797 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:00,797 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46575293]
[2022-02-15 11:26:00,797 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:00,797 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:00,835 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:01,033 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:01,034 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:01,034 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46575293]
[2022-02-15 11:26:01,034 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46575293] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:01,034 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:01,034 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-02-15 11:26:01,034 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624345345]
[2022-02-15 11:26:01,034 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:01,034 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-15 11:26:01,034 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:01,035 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-15 11:26:01,035 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2022-02-15 11:26:01,035 INFO  L87              Difference]: Start difference. First operand 24569 states and 67650 transitions. Second operand  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:01,273 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:01,273 INFO  L93              Difference]: Finished difference Result 25247 states and 69405 transitions.
[2022-02-15 11:26:01,273 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-15 11:26:01,274 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193
[2022-02-15 11:26:01,274 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:01,333 INFO  L225             Difference]: With dead ends: 25247
[2022-02-15 11:26:01,333 INFO  L226             Difference]: Without dead ends: 24962
[2022-02-15 11:26:01,333 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306
[2022-02-15 11:26:01,334 INFO  L933         BasicCegarLoop]: 324 mSDtfsCounter, 157 mSDsluCounter, 1656 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 1947 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:01,334 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 1947 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 11:26:01,383 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 24962 states.
[2022-02-15 11:26:01,759 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 24962 to 24577.
[2022-02-15 11:26:01,791 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24577 states, 24576 states have (on average 2.75341796875) internal successors, (67668), 24576 states have internal predecessors, (67668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:01,850 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24577 states to 24577 states and 67668 transitions.
[2022-02-15 11:26:01,850 INFO  L78                 Accepts]: Start accepts. Automaton has 24577 states and 67668 transitions. Word has length 193
[2022-02-15 11:26:01,851 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:01,851 INFO  L470      AbstractCegarLoop]: Abstraction has 24577 states and 67668 transitions.
[2022-02-15 11:26:01,851 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:01,851 INFO  L276                IsEmpty]: Start isEmpty. Operand 24577 states and 67668 transitions.
[2022-02-15 11:26:01,891 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2022-02-15 11:26:01,891 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:01,892 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:01,892 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-02-15 11:26:01,892 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:01,892 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:01,892 INFO  L85        PathProgramCache]: Analyzing trace with hash -992191699, now seen corresponding path program 6 times
[2022-02-15 11:26:01,892 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:01,892 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107124924]
[2022-02-15 11:26:01,893 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:01,893 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:01,909 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:02,001 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:02,001 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:02,001 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107124924]
[2022-02-15 11:26:02,001 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107124924] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:02,001 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:02,001 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-02-15 11:26:02,001 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673879881]
[2022-02-15 11:26:02,001 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:02,002 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-15 11:26:02,002 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:02,002 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-15 11:26:02,002 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2022-02-15 11:26:02,002 INFO  L87              Difference]: Start difference. First operand 24577 states and 67668 transitions. Second operand  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:02,346 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:02,347 INFO  L93              Difference]: Finished difference Result 25168 states and 69207 transitions.
[2022-02-15 11:26:02,347 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-15 11:26:02,347 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193
[2022-02-15 11:26:02,347 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:02,398 INFO  L225             Difference]: With dead ends: 25168
[2022-02-15 11:26:02,398 INFO  L226             Difference]: Without dead ends: 24917
[2022-02-15 11:26:02,399 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272
[2022-02-15 11:26:02,399 INFO  L933         BasicCegarLoop]: 319 mSDtfsCounter, 133 mSDsluCounter, 1561 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 1852 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:02,399 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 1852 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 11:26:02,449 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 24917 states.
[2022-02-15 11:26:02,854 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 24917 to 24581.
[2022-02-15 11:26:02,885 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24581 states, 24580 states have (on average 2.7532546786004883) internal successors, (67675), 24580 states have internal predecessors, (67675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:02,944 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24581 states to 24581 states and 67675 transitions.
[2022-02-15 11:26:02,944 INFO  L78                 Accepts]: Start accepts. Automaton has 24581 states and 67675 transitions. Word has length 193
[2022-02-15 11:26:02,945 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:02,945 INFO  L470      AbstractCegarLoop]: Abstraction has 24581 states and 67675 transitions.
[2022-02-15 11:26:02,945 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:02,945 INFO  L276                IsEmpty]: Start isEmpty. Operand 24581 states and 67675 transitions.
[2022-02-15 11:26:02,987 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2022-02-15 11:26:02,988 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:02,988 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:02,988 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-02-15 11:26:02,988 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:02,988 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:02,989 INFO  L85        PathProgramCache]: Analyzing trace with hash -852997397, now seen corresponding path program 7 times
[2022-02-15 11:26:02,989 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:02,989 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789543427]
[2022-02-15 11:26:02,989 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:02,989 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:03,007 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:03,091 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:03,091 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:03,091 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789543427]
[2022-02-15 11:26:03,091 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789543427] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:03,091 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:03,091 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-02-15 11:26:03,092 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459777981]
[2022-02-15 11:26:03,092 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:03,092 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-15 11:26:03,092 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:03,092 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-15 11:26:03,092 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2022-02-15 11:26:03,093 INFO  L87              Difference]: Start difference. First operand 24581 states and 67675 transitions. Second operand  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:03,318 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:03,318 INFO  L93              Difference]: Finished difference Result 25139 states and 69125 transitions.
[2022-02-15 11:26:03,318 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-15 11:26:03,319 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193
[2022-02-15 11:26:03,319 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:03,365 INFO  L225             Difference]: With dead ends: 25139
[2022-02-15 11:26:03,365 INFO  L226             Difference]: Without dead ends: 24877
[2022-02-15 11:26:03,366 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272
[2022-02-15 11:26:03,366 INFO  L933         BasicCegarLoop]: 316 mSDtfsCounter, 138 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1837 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:03,366 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 1837 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 11:26:03,527 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 24877 states.
[2022-02-15 11:26:03,808 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 24877 to 24573.
[2022-02-15 11:26:03,838 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24573 states, 24572 states have (on average 2.753418525150578) internal successors, (67657), 24572 states have internal predecessors, (67657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:04,033 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24573 states to 24573 states and 67657 transitions.
[2022-02-15 11:26:04,033 INFO  L78                 Accepts]: Start accepts. Automaton has 24573 states and 67657 transitions. Word has length 193
[2022-02-15 11:26:04,033 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:04,033 INFO  L470      AbstractCegarLoop]: Abstraction has 24573 states and 67657 transitions.
[2022-02-15 11:26:04,034 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:04,034 INFO  L276                IsEmpty]: Start isEmpty. Operand 24573 states and 67657 transitions.
[2022-02-15 11:26:04,070 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2022-02-15 11:26:04,070 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:04,070 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:04,070 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-02-15 11:26:04,070 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:04,071 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:04,071 INFO  L85        PathProgramCache]: Analyzing trace with hash 280309727, now seen corresponding path program 8 times
[2022-02-15 11:26:04,071 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:04,071 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472297795]
[2022-02-15 11:26:04,071 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:04,071 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:04,108 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:04,186 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:04,186 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:04,186 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472297795]
[2022-02-15 11:26:04,186 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472297795] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:04,186 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:04,187 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-02-15 11:26:04,187 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684190528]
[2022-02-15 11:26:04,187 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:04,187 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-15 11:26:04,187 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:04,187 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-15 11:26:04,187 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2022-02-15 11:26:04,188 INFO  L87              Difference]: Start difference. First operand 24573 states and 67657 transitions. Second operand  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:04,542 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:04,542 INFO  L93              Difference]: Finished difference Result 25148 states and 69152 transitions.
[2022-02-15 11:26:04,542 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-15 11:26:04,542 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193
[2022-02-15 11:26:04,543 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:04,597 INFO  L225             Difference]: With dead ends: 25148
[2022-02-15 11:26:04,597 INFO  L226             Difference]: Without dead ends: 24897
[2022-02-15 11:26:04,597 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380
[2022-02-15 11:26:04,598 INFO  L933         BasicCegarLoop]: 378 mSDtfsCounter, 221 mSDsluCounter, 2088 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 2434 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:04,598 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [221 Valid, 2434 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 11:26:04,644 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 24897 states.
[2022-02-15 11:26:05,054 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 24897 to 24581.
[2022-02-15 11:26:05,085 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24581 states, 24580 states have (on average 2.7532546786004883) internal successors, (67675), 24580 states have internal predecessors, (67675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:05,143 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24581 states to 24581 states and 67675 transitions.
[2022-02-15 11:26:05,144 INFO  L78                 Accepts]: Start accepts. Automaton has 24581 states and 67675 transitions. Word has length 193
[2022-02-15 11:26:05,144 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:05,144 INFO  L470      AbstractCegarLoop]: Abstraction has 24581 states and 67675 transitions.
[2022-02-15 11:26:05,144 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:05,144 INFO  L276                IsEmpty]: Start isEmpty. Operand 24581 states and 67675 transitions.
[2022-02-15 11:26:05,187 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2022-02-15 11:26:05,187 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:05,187 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:05,187 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2022-02-15 11:26:05,187 INFO  L402      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:05,188 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:05,188 INFO  L85        PathProgramCache]: Analyzing trace with hash 419504029, now seen corresponding path program 9 times
[2022-02-15 11:26:05,188 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:05,188 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707958084]
[2022-02-15 11:26:05,188 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:05,188 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:05,203 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:05,275 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:05,276 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:05,276 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707958084]
[2022-02-15 11:26:05,276 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707958084] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:05,276 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:05,276 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-02-15 11:26:05,276 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997850622]
[2022-02-15 11:26:05,276 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:05,276 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-15 11:26:05,276 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:05,277 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-15 11:26:05,277 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2022-02-15 11:26:05,277 INFO  L87              Difference]: Start difference. First operand 24581 states and 67675 transitions. Second operand  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:05,641 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:05,642 INFO  L93              Difference]: Finished difference Result 25146 states and 69138 transitions.
[2022-02-15 11:26:05,642 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-15 11:26:05,642 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193
[2022-02-15 11:26:05,642 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:05,702 INFO  L225             Difference]: With dead ends: 25146
[2022-02-15 11:26:05,703 INFO  L226             Difference]: Without dead ends: 24888
[2022-02-15 11:26:05,703 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306
[2022-02-15 11:26:05,704 INFO  L933         BasicCegarLoop]: 373 mSDtfsCounter, 216 mSDsluCounter, 2054 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 2397 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:05,705 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 2397 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 11:26:05,751 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 24888 states.
[2022-02-15 11:26:06,084 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 24888 to 24577.
[2022-02-15 11:26:06,226 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24577 states, 24576 states have (on average 2.7532552083333335) internal successors, (67664), 24576 states have internal predecessors, (67664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:06,278 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24577 states to 24577 states and 67664 transitions.
[2022-02-15 11:26:06,278 INFO  L78                 Accepts]: Start accepts. Automaton has 24577 states and 67664 transitions. Word has length 193
[2022-02-15 11:26:06,278 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:06,278 INFO  L470      AbstractCegarLoop]: Abstraction has 24577 states and 67664 transitions.
[2022-02-15 11:26:06,279 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:06,279 INFO  L276                IsEmpty]: Start isEmpty. Operand 24577 states and 67664 transitions.
[2022-02-15 11:26:06,319 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2022-02-15 11:26:06,320 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:06,320 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:06,320 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2022-02-15 11:26:06,320 INFO  L402      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:06,320 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:06,320 INFO  L85        PathProgramCache]: Analyzing trace with hash 1183725507, now seen corresponding path program 10 times
[2022-02-15 11:26:06,321 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:06,321 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000095529]
[2022-02-15 11:26:06,321 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:06,321 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:06,349 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:06,412 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:06,412 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:06,412 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000095529]
[2022-02-15 11:26:06,413 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000095529] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:06,413 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:06,413 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-02-15 11:26:06,413 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77113987]
[2022-02-15 11:26:06,413 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:06,413 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-15 11:26:06,413 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:06,413 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-15 11:26:06,413 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2022-02-15 11:26:06,414 INFO  L87              Difference]: Start difference. First operand 24577 states and 67664 transitions. Second operand  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:06,701 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:06,702 INFO  L93              Difference]: Finished difference Result 25480 states and 69966 transitions.
[2022-02-15 11:26:06,702 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-15 11:26:06,702 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193
[2022-02-15 11:26:06,703 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:06,744 INFO  L225             Difference]: With dead ends: 25480
[2022-02-15 11:26:06,744 INFO  L226             Difference]: Without dead ends: 23023
[2022-02-15 11:26:06,744 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420
[2022-02-15 11:26:06,745 INFO  L933         BasicCegarLoop]: 447 mSDtfsCounter, 505 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 2907 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:06,745 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [505 Valid, 2907 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 11:26:06,784 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 23023 states.
[2022-02-15 11:26:07,172 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 23023 to 22399.
[2022-02-15 11:26:07,200 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22399 states, 22398 states have (on average 2.754308420394678) internal successors, (61691), 22398 states have internal predecessors, (61691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:07,249 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22399 states to 22399 states and 61691 transitions.
[2022-02-15 11:26:07,250 INFO  L78                 Accepts]: Start accepts. Automaton has 22399 states and 61691 transitions. Word has length 193
[2022-02-15 11:26:07,250 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:07,250 INFO  L470      AbstractCegarLoop]: Abstraction has 22399 states and 61691 transitions.
[2022-02-15 11:26:07,250 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:07,250 INFO  L276                IsEmpty]: Start isEmpty. Operand 22399 states and 61691 transitions.
[2022-02-15 11:26:07,285 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2022-02-15 11:26:07,286 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:07,286 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:07,286 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2022-02-15 11:26:07,286 INFO  L402      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:07,286 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:07,287 INFO  L85        PathProgramCache]: Analyzing trace with hash 1030717563, now seen corresponding path program 1 times
[2022-02-15 11:26:07,287 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:07,287 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676537469]
[2022-02-15 11:26:07,287 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:07,287 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:07,303 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:07,367 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:07,367 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:07,367 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676537469]
[2022-02-15 11:26:07,367 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676537469] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:07,367 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:07,367 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-02-15 11:26:07,368 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551958978]
[2022-02-15 11:26:07,368 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:07,368 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-15 11:26:07,368 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:07,368 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-15 11:26:07,368 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2022-02-15 11:26:07,368 INFO  L87              Difference]: Start difference. First operand 22399 states and 61691 transitions. Second operand  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:07,599 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:07,600 INFO  L93              Difference]: Finished difference Result 23273 states and 63897 transitions.
[2022-02-15 11:26:07,600 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-15 11:26:07,600 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193
[2022-02-15 11:26:07,600 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:07,640 INFO  L225             Difference]: With dead ends: 23273
[2022-02-15 11:26:07,640 INFO  L226             Difference]: Without dead ends: 21560
[2022-02-15 11:26:07,641 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342
[2022-02-15 11:26:07,641 INFO  L933         BasicCegarLoop]: 381 mSDtfsCounter, 343 mSDsluCounter, 1231 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 1589 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:07,641 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [343 Valid, 1589 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-15 11:26:07,830 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 21560 states.
[2022-02-15 11:26:08,058 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 21560 to 21003.
[2022-02-15 11:26:08,086 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 21003 states, 21002 states have (on average 2.7544043424435767) internal successors, (57848), 21002 states have internal predecessors, (57848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:08,131 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 21003 states to 21003 states and 57848 transitions.
[2022-02-15 11:26:08,132 INFO  L78                 Accepts]: Start accepts. Automaton has 21003 states and 57848 transitions. Word has length 193
[2022-02-15 11:26:08,132 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:08,132 INFO  L470      AbstractCegarLoop]: Abstraction has 21003 states and 57848 transitions.
[2022-02-15 11:26:08,132 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:08,132 INFO  L276                IsEmpty]: Start isEmpty. Operand 21003 states and 57848 transitions.
[2022-02-15 11:26:08,163 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2022-02-15 11:26:08,163 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:08,163 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:08,163 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2022-02-15 11:26:08,163 INFO  L402      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:08,164 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:08,164 INFO  L85        PathProgramCache]: Analyzing trace with hash -1690865081, now seen corresponding path program 2 times
[2022-02-15 11:26:08,164 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:08,164 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380389881]
[2022-02-15 11:26:08,164 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:08,164 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:08,179 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:08,373 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:08,374 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:08,374 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380389881]
[2022-02-15 11:26:08,374 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380389881] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:08,374 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:08,374 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-02-15 11:26:08,374 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954376200]
[2022-02-15 11:26:08,374 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:08,374 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-15 11:26:08,374 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:08,375 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-15 11:26:08,375 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2022-02-15 11:26:08,376 INFO  L87              Difference]: Start difference. First operand 21003 states and 57848 transitions. Second operand  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:08,626 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:08,627 INFO  L93              Difference]: Finished difference Result 21522 states and 59163 transitions.
[2022-02-15 11:26:08,627 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-15 11:26:08,627 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193
[2022-02-15 11:26:08,627 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:08,669 INFO  L225             Difference]: With dead ends: 21522
[2022-02-15 11:26:08,669 INFO  L226             Difference]: Without dead ends: 21237
[2022-02-15 11:26:08,669 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342
[2022-02-15 11:26:08,670 INFO  L933         BasicCegarLoop]: 323 mSDtfsCounter, 141 mSDsluCounter, 2106 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 2394 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:08,670 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 2394 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 11:26:08,714 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 21237 states.
[2022-02-15 11:26:09,026 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 21237 to 21007.
[2022-02-15 11:26:09,054 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 21007 states, 21006 states have (on average 2.754213081976578) internal successors, (57855), 21006 states have internal predecessors, (57855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:09,238 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 21007 states to 21007 states and 57855 transitions.
[2022-02-15 11:26:09,238 INFO  L78                 Accepts]: Start accepts. Automaton has 21007 states and 57855 transitions. Word has length 193
[2022-02-15 11:26:09,239 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:09,239 INFO  L470      AbstractCegarLoop]: Abstraction has 21007 states and 57855 transitions.
[2022-02-15 11:26:09,239 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:09,239 INFO  L276                IsEmpty]: Start isEmpty. Operand 21007 states and 57855 transitions.
[2022-02-15 11:26:09,271 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2022-02-15 11:26:09,271 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:09,271 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:09,271 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2022-02-15 11:26:09,271 INFO  L402      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:09,272 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:09,272 INFO  L85        PathProgramCache]: Analyzing trace with hash 1239264329, now seen corresponding path program 3 times
[2022-02-15 11:26:09,272 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:09,272 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953723535]
[2022-02-15 11:26:09,272 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:09,272 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:09,294 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:09,355 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:09,356 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:09,356 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953723535]
[2022-02-15 11:26:09,356 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953723535] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:09,356 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:09,356 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-02-15 11:26:09,356 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999204345]
[2022-02-15 11:26:09,356 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:09,356 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-15 11:26:09,356 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:09,357 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-15 11:26:09,357 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2022-02-15 11:26:09,357 INFO  L87              Difference]: Start difference. First operand 21007 states and 57855 transitions. Second operand  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:09,548 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:09,548 INFO  L93              Difference]: Finished difference Result 21442 states and 58951 transitions.
[2022-02-15 11:26:09,548 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-15 11:26:09,548 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193
[2022-02-15 11:26:09,549 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:09,587 INFO  L225             Difference]: With dead ends: 21442
[2022-02-15 11:26:09,587 INFO  L226             Difference]: Without dead ends: 21185
[2022-02-15 11:26:09,588 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272
[2022-02-15 11:26:09,588 INFO  L933         BasicCegarLoop]: 316 mSDtfsCounter, 120 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1915 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:09,588 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 1915 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 11:26:09,627 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 21185 states.
[2022-02-15 11:26:09,986 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 21185 to 21011.
[2022-02-15 11:26:10,013 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 21011 states, 21010 states have (on average 2.7540218943360304) internal successors, (57862), 21010 states have internal predecessors, (57862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:10,056 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 21011 states to 21011 states and 57862 transitions.
[2022-02-15 11:26:10,057 INFO  L78                 Accepts]: Start accepts. Automaton has 21011 states and 57862 transitions. Word has length 193
[2022-02-15 11:26:10,057 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:10,057 INFO  L470      AbstractCegarLoop]: Abstraction has 21011 states and 57862 transitions.
[2022-02-15 11:26:10,057 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:10,057 INFO  L276                IsEmpty]: Start isEmpty. Operand 21011 states and 57862 transitions.
[2022-02-15 11:26:10,087 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2022-02-15 11:26:10,087 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:10,087 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:10,087 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2022-02-15 11:26:10,087 INFO  L402      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:10,088 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:10,088 INFO  L85        PathProgramCache]: Analyzing trace with hash 1378458631, now seen corresponding path program 4 times
[2022-02-15 11:26:10,088 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:10,088 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386004019]
[2022-02-15 11:26:10,088 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:10,088 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:10,109 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:10,168 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:10,168 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:10,168 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386004019]
[2022-02-15 11:26:10,170 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386004019] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:10,170 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:10,170 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-02-15 11:26:10,170 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305735961]
[2022-02-15 11:26:10,170 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:10,170 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-15 11:26:10,170 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:10,171 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-15 11:26:10,171 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2022-02-15 11:26:10,171 INFO  L87              Difference]: Start difference. First operand 21011 states and 57862 transitions. Second operand  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:10,365 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:10,366 INFO  L93              Difference]: Finished difference Result 21405 states and 58847 transitions.
[2022-02-15 11:26:10,366 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-15 11:26:10,366 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193
[2022-02-15 11:26:10,366 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:10,404 INFO  L225             Difference]: With dead ends: 21405
[2022-02-15 11:26:10,405 INFO  L226             Difference]: Without dead ends: 20933
[2022-02-15 11:26:10,405 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272
[2022-02-15 11:26:10,405 INFO  L933         BasicCegarLoop]: 310 mSDtfsCounter, 128 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 1667 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:10,405 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 1667 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 11:26:10,444 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 20933 states.
[2022-02-15 11:26:10,782 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 20933 to 20799.
[2022-02-15 11:26:10,810 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 20799 states, 20798 states have (on average 2.754447543032984) internal successors, (57287), 20798 states have internal predecessors, (57287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:10,859 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20799 states to 20799 states and 57287 transitions.
[2022-02-15 11:26:10,859 INFO  L78                 Accepts]: Start accepts. Automaton has 20799 states and 57287 transitions. Word has length 193
[2022-02-15 11:26:10,860 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:10,860 INFO  L470      AbstractCegarLoop]: Abstraction has 20799 states and 57287 transitions.
[2022-02-15 11:26:10,860 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:10,860 INFO  L276                IsEmpty]: Start isEmpty. Operand 20799 states and 57287 transitions.
[2022-02-15 11:26:10,893 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2022-02-15 11:26:10,893 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:10,893 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:10,893 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2022-02-15 11:26:10,893 INFO  L402      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:10,894 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:10,894 INFO  L85        PathProgramCache]: Analyzing trace with hash 1297262731, now seen corresponding path program 5 times
[2022-02-15 11:26:10,894 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:10,894 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762388426]
[2022-02-15 11:26:10,894 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:10,894 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:10,909 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:10,962 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:10,962 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:10,962 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762388426]
[2022-02-15 11:26:10,962 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762388426] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:10,962 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:10,962 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-02-15 11:26:10,962 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131327246]
[2022-02-15 11:26:10,963 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:10,963 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-15 11:26:10,963 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:10,963 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-15 11:26:10,963 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2022-02-15 11:26:10,963 INFO  L87              Difference]: Start difference. First operand 20799 states and 57287 transitions. Second operand  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:11,209 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:11,209 INFO  L93              Difference]: Finished difference Result 21743 states and 59677 transitions.
[2022-02-15 11:26:11,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-15 11:26:11,210 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193
[2022-02-15 11:26:11,210 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:11,249 INFO  L225             Difference]: With dead ends: 21743
[2022-02-15 11:26:11,249 INFO  L226             Difference]: Without dead ends: 19891
[2022-02-15 11:26:11,249 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420
[2022-02-15 11:26:11,250 INFO  L933         BasicCegarLoop]: 458 mSDtfsCounter, 497 mSDsluCounter, 2858 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 3267 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:11,250 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 3267 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 11:26:11,285 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19891 states.
[2022-02-15 11:26:11,553 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19891 to 19246.
[2022-02-15 11:26:11,578 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19246 states, 19245 states have (on average 2.7619641465315667) internal successors, (53154), 19245 states have internal predecessors, (53154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:11,621 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19246 states to 19246 states and 53154 transitions.
[2022-02-15 11:26:11,622 INFO  L78                 Accepts]: Start accepts. Automaton has 19246 states and 53154 transitions. Word has length 193
[2022-02-15 11:26:11,622 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:11,622 INFO  L470      AbstractCegarLoop]: Abstraction has 19246 states and 53154 transitions.
[2022-02-15 11:26:11,622 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:11,622 INFO  L276                IsEmpty]: Start isEmpty. Operand 19246 states and 53154 transitions.
[2022-02-15 11:26:11,652 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2022-02-15 11:26:11,652 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:11,652 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:11,652 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2022-02-15 11:26:11,652 INFO  L402      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:11,652 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:11,653 INFO  L85        PathProgramCache]: Analyzing trace with hash 1976717757, now seen corresponding path program 6 times
[2022-02-15 11:26:11,653 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:11,653 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219927051]
[2022-02-15 11:26:11,653 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:11,653 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:11,668 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:11,730 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:11,730 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:11,730 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219927051]
[2022-02-15 11:26:11,730 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219927051] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:11,730 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:11,730 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-02-15 11:26:11,730 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666580475]
[2022-02-15 11:26:11,730 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:11,731 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-15 11:26:11,731 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:11,731 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-15 11:26:11,731 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2022-02-15 11:26:11,731 INFO  L87              Difference]: Start difference. First operand 19246 states and 53154 transitions. Second operand  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:11,929 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:11,929 INFO  L93              Difference]: Finished difference Result 19795 states and 54576 transitions.
[2022-02-15 11:26:11,929 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-02-15 11:26:11,929 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193
[2022-02-15 11:26:11,930 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:11,966 INFO  L225             Difference]: With dead ends: 19795
[2022-02-15 11:26:11,966 INFO  L226             Difference]: Without dead ends: 19538
[2022-02-15 11:26:11,966 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306
[2022-02-15 11:26:11,967 INFO  L933         BasicCegarLoop]: 388 mSDtfsCounter, 194 mSDsluCounter, 2138 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 2491 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:11,967 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 2491 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 11:26:12,001 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19538 states.
[2022-02-15 11:26:12,247 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19538 to 19250.
[2022-02-15 11:26:12,271 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19250 states, 19249 states have (on average 2.7617538573432387) internal successors, (53161), 19249 states have internal predecessors, (53161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:12,311 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19250 states to 19250 states and 53161 transitions.
[2022-02-15 11:26:12,311 INFO  L78                 Accepts]: Start accepts. Automaton has 19250 states and 53161 transitions. Word has length 193
[2022-02-15 11:26:12,311 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:12,311 INFO  L470      AbstractCegarLoop]: Abstraction has 19250 states and 53161 transitions.
[2022-02-15 11:26:12,311 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:12,311 INFO  L276                IsEmpty]: Start isEmpty. Operand 19250 states and 53161 transitions.
[2022-02-15 11:26:12,340 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2022-02-15 11:26:12,340 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:12,340 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:12,340 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2022-02-15 11:26:12,340 INFO  L402      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:12,341 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:12,341 INFO  L85        PathProgramCache]: Analyzing trace with hash 2115912059, now seen corresponding path program 7 times
[2022-02-15 11:26:12,341 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:12,341 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150317513]
[2022-02-15 11:26:12,341 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:12,341 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:12,357 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:12,424 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:12,424 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:12,424 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150317513]
[2022-02-15 11:26:12,424 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150317513] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:12,424 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:12,424 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-02-15 11:26:12,424 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454751553]
[2022-02-15 11:26:12,425 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:12,425 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-15 11:26:12,425 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:12,425 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-15 11:26:12,425 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2022-02-15 11:26:12,425 INFO  L87              Difference]: Start difference. First operand 19250 states and 53161 transitions. Second operand  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:12,658 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:12,658 INFO  L93              Difference]: Finished difference Result 19766 states and 54494 transitions.
[2022-02-15 11:26:12,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-15 11:26:12,659 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193
[2022-02-15 11:26:12,659 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:12,696 INFO  L225             Difference]: With dead ends: 19766
[2022-02-15 11:26:12,696 INFO  L226             Difference]: Without dead ends: 19296
[2022-02-15 11:26:12,697 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380
[2022-02-15 11:26:12,697 INFO  L933         BasicCegarLoop]: 396 mSDtfsCounter, 206 mSDsluCounter, 2171 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 2529 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:12,697 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 2529 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 11:26:12,736 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19296 states.
[2022-02-15 11:26:13,006 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19296 to 19040.
[2022-02-15 11:26:13,030 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19040 states, 19039 states have (on average 2.7623299543043225) internal successors, (52592), 19039 states have internal predecessors, (52592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:13,074 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19040 states to 19040 states and 52592 transitions.
[2022-02-15 11:26:13,074 INFO  L78                 Accepts]: Start accepts. Automaton has 19040 states and 52592 transitions. Word has length 193
[2022-02-15 11:26:13,074 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:13,074 INFO  L470      AbstractCegarLoop]: Abstraction has 19040 states and 52592 transitions.
[2022-02-15 11:26:13,074 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:13,074 INFO  L276                IsEmpty]: Start isEmpty. Operand 19040 states and 52592 transitions.
[2022-02-15 11:26:13,103 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2022-02-15 11:26:13,103 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:13,104 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:13,104 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2022-02-15 11:26:13,104 INFO  L402      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:13,104 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:13,104 INFO  L85        PathProgramCache]: Analyzing trace with hash 825578125, now seen corresponding path program 8 times
[2022-02-15 11:26:13,104 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:13,104 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981686799]
[2022-02-15 11:26:13,104 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:13,105 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:13,119 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:13,186 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:13,186 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:13,187 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981686799]
[2022-02-15 11:26:13,187 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981686799] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:13,187 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:13,187 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-02-15 11:26:13,187 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767324309]
[2022-02-15 11:26:13,187 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:13,187 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-15 11:26:13,187 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:13,188 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-15 11:26:13,188 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2022-02-15 11:26:13,188 INFO  L87              Difference]: Start difference. First operand 19040 states and 52592 transitions. Second operand  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:13,397 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:13,398 INFO  L93              Difference]: Finished difference Result 19681 states and 54255 transitions.
[2022-02-15 11:26:13,398 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-15 11:26:13,398 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193
[2022-02-15 11:26:13,398 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:13,434 INFO  L225             Difference]: With dead ends: 19681
[2022-02-15 11:26:13,434 INFO  L226             Difference]: Without dead ends: 19396
[2022-02-15 11:26:13,435 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306
[2022-02-15 11:26:13,435 INFO  L933         BasicCegarLoop]: 325 mSDtfsCounter, 145 mSDsluCounter, 2097 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 2388 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:13,435 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 2388 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 11:26:13,471 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19396 states.
[2022-02-15 11:26:13,723 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19396 to 19044.
[2022-02-15 11:26:13,747 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19044 states, 19043 states have (on average 2.762117313448511) internal successors, (52599), 19043 states have internal predecessors, (52599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:13,788 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19044 states to 19044 states and 52599 transitions.
[2022-02-15 11:26:13,788 INFO  L78                 Accepts]: Start accepts. Automaton has 19044 states and 52599 transitions. Word has length 193
[2022-02-15 11:26:13,788 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:13,788 INFO  L470      AbstractCegarLoop]: Abstraction has 19044 states and 52599 transitions.
[2022-02-15 11:26:13,789 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:13,789 INFO  L276                IsEmpty]: Start isEmpty. Operand 19044 states and 52599 transitions.
[2022-02-15 11:26:13,818 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2022-02-15 11:26:13,818 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:13,818 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:13,818 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2022-02-15 11:26:13,819 INFO  L402      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:13,819 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:13,819 INFO  L85        PathProgramCache]: Analyzing trace with hash -539259761, now seen corresponding path program 9 times
[2022-02-15 11:26:13,819 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:13,819 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920109497]
[2022-02-15 11:26:13,819 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:13,819 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:13,835 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:13,906 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:13,906 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:13,906 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920109497]
[2022-02-15 11:26:13,906 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920109497] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:13,906 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:13,907 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-02-15 11:26:13,907 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511200075]
[2022-02-15 11:26:13,907 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:13,907 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-15 11:26:13,907 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:13,907 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-15 11:26:13,908 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2022-02-15 11:26:13,908 INFO  L87              Difference]: Start difference. First operand 19044 states and 52599 transitions. Second operand  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:14,117 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:14,118 INFO  L93              Difference]: Finished difference Result 19601 states and 54043 transitions.
[2022-02-15 11:26:14,118 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-02-15 11:26:14,118 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193
[2022-02-15 11:26:14,118 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:14,154 INFO  L225             Difference]: With dead ends: 19601
[2022-02-15 11:26:14,155 INFO  L226             Difference]: Without dead ends: 19344
[2022-02-15 11:26:14,155 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306
[2022-02-15 11:26:14,155 INFO  L933         BasicCegarLoop]: 318 mSDtfsCounter, 141 mSDsluCounter, 1849 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 2138 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:14,155 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 2138 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 11:26:14,193 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19344 states.
[2022-02-15 11:26:14,478 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19344 to 19048.
[2022-02-15 11:26:14,502 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19048 states, 19047 states have (on average 2.761904761904762) internal successors, (52606), 19047 states have internal predecessors, (52606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:14,545 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19048 states to 19048 states and 52606 transitions.
[2022-02-15 11:26:14,545 INFO  L78                 Accepts]: Start accepts. Automaton has 19048 states and 52606 transitions. Word has length 193
[2022-02-15 11:26:14,545 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:14,545 INFO  L470      AbstractCegarLoop]: Abstraction has 19048 states and 52606 transitions.
[2022-02-15 11:26:14,545 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:14,546 INFO  L276                IsEmpty]: Start isEmpty. Operand 19048 states and 52606 transitions.
[2022-02-15 11:26:14,573 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2022-02-15 11:26:14,573 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:14,573 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:14,573 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2022-02-15 11:26:14,573 INFO  L402      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:14,574 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:14,574 INFO  L85        PathProgramCache]: Analyzing trace with hash -400065459, now seen corresponding path program 10 times
[2022-02-15 11:26:14,574 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:14,574 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993113092]
[2022-02-15 11:26:14,574 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:14,574 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:14,594 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:14,650 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:14,651 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:14,651 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993113092]
[2022-02-15 11:26:14,651 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993113092] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:14,651 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:14,651 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-02-15 11:26:14,651 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558857223]
[2022-02-15 11:26:14,651 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:14,651 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-15 11:26:14,651 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:14,652 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-15 11:26:14,652 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2022-02-15 11:26:14,652 INFO  L87              Difference]: Start difference. First operand 19048 states and 52606 transitions. Second operand  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:14,861 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:14,861 INFO  L93              Difference]: Finished difference Result 19564 states and 53939 transitions.
[2022-02-15 11:26:14,861 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-02-15 11:26:14,862 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193
[2022-02-15 11:26:14,862 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:14,899 INFO  L225             Difference]: With dead ends: 19564
[2022-02-15 11:26:14,899 INFO  L226             Difference]: Without dead ends: 18684
[2022-02-15 11:26:14,899 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306
[2022-02-15 11:26:14,899 INFO  L933         BasicCegarLoop]: 318 mSDtfsCounter, 137 mSDsluCounter, 2084 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 2365 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:14,900 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 2365 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-15 11:26:14,936 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18684 states.
[2022-02-15 11:26:15,186 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18684 to 18428.
[2022-02-15 11:26:15,210 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18428 states, 18427 states have (on average 2.763662017691431) internal successors, (50926), 18427 states have internal predecessors, (50926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:15,252 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18428 states to 18428 states and 50926 transitions.
[2022-02-15 11:26:15,253 INFO  L78                 Accepts]: Start accepts. Automaton has 18428 states and 50926 transitions. Word has length 193
[2022-02-15 11:26:15,253 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:15,253 INFO  L470      AbstractCegarLoop]: Abstraction has 18428 states and 50926 transitions.
[2022-02-15 11:26:15,253 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:15,253 INFO  L276                IsEmpty]: Start isEmpty. Operand 18428 states and 50926 transitions.
[2022-02-15 11:26:15,283 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 196
[2022-02-15 11:26:15,283 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:15,283 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:15,283 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2022-02-15 11:26:15,284 INFO  L402      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:15,284 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:15,284 INFO  L85        PathProgramCache]: Analyzing trace with hash 10836863, now seen corresponding path program 1 times
[2022-02-15 11:26:15,284 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:15,285 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099353364]
[2022-02-15 11:26:15,285 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:15,285 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:15,303 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:15,323 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:15,323 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:15,323 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099353364]
[2022-02-15 11:26:15,323 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099353364] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:15,323 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:15,323 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-15 11:26:15,324 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408011778]
[2022-02-15 11:26:15,324 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:15,325 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-15 11:26:15,325 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:15,325 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-15 11:26:15,325 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-15 11:26:15,325 INFO  L87              Difference]: Start difference. First operand 18428 states and 50926 transitions. Second operand  has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:15,404 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:15,405 INFO  L93              Difference]: Finished difference Result 18257 states and 50319 transitions.
[2022-02-15 11:26:15,405 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-15 11:26:15,405 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 195
[2022-02-15 11:26:15,405 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:15,439 INFO  L225             Difference]: With dead ends: 18257
[2022-02-15 11:26:15,440 INFO  L226             Difference]: Without dead ends: 18257
[2022-02-15 11:26:15,440 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-15 11:26:15,440 INFO  L933         BasicCegarLoop]: 312 mSDtfsCounter, 162 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:15,441 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 455 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-15 11:26:15,477 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18257 states.
[2022-02-15 11:26:15,732 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18257 to 18218.
[2022-02-15 11:26:15,754 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18218 states, 18217 states have (on average 2.756655870889828) internal successors, (50218), 18217 states have internal predecessors, (50218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:15,793 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18218 states to 18218 states and 50218 transitions.
[2022-02-15 11:26:15,793 INFO  L78                 Accepts]: Start accepts. Automaton has 18218 states and 50218 transitions. Word has length 195
[2022-02-15 11:26:15,793 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:15,793 INFO  L470      AbstractCegarLoop]: Abstraction has 18218 states and 50218 transitions.
[2022-02-15 11:26:15,793 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:15,794 INFO  L276                IsEmpty]: Start isEmpty. Operand 18218 states and 50218 transitions.
[2022-02-15 11:26:15,820 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 196
[2022-02-15 11:26:15,820 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:15,820 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:15,820 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2022-02-15 11:26:15,820 INFO  L402      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:15,821 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:15,821 INFO  L85        PathProgramCache]: Analyzing trace with hash -385728195, now seen corresponding path program 1 times
[2022-02-15 11:26:15,821 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:15,821 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370207438]
[2022-02-15 11:26:15,821 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:15,821 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:15,831 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:15,845 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:15,845 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:15,846 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370207438]
[2022-02-15 11:26:15,846 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370207438] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:15,846 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:15,846 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-15 11:26:15,846 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718816826]
[2022-02-15 11:26:15,846 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:15,846 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-15 11:26:15,846 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:15,847 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-15 11:26:15,847 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-15 11:26:15,847 INFO  L87              Difference]: Start difference. First operand 18218 states and 50218 transitions. Second operand  has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:15,921 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:15,921 INFO  L93              Difference]: Finished difference Result 18083 states and 49706 transitions.
[2022-02-15 11:26:15,921 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-15 11:26:15,922 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 195
[2022-02-15 11:26:15,922 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:15,956 INFO  L225             Difference]: With dead ends: 18083
[2022-02-15 11:26:15,956 INFO  L226             Difference]: Without dead ends: 18083
[2022-02-15 11:26:15,956 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-15 11:26:15,956 INFO  L933         BasicCegarLoop]: 310 mSDtfsCounter, 163 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:15,957 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 453 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-15 11:26:15,994 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18083 states.
[2022-02-15 11:26:16,249 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18083 to 18083.
[2022-02-15 11:26:16,273 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18083 states, 18082 states have (on average 2.7489215794712973) internal successors, (49706), 18082 states have internal predecessors, (49706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:16,313 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18083 states to 18083 states and 49706 transitions.
[2022-02-15 11:26:16,313 INFO  L78                 Accepts]: Start accepts. Automaton has 18083 states and 49706 transitions. Word has length 195
[2022-02-15 11:26:16,314 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:16,314 INFO  L470      AbstractCegarLoop]: Abstraction has 18083 states and 49706 transitions.
[2022-02-15 11:26:16,314 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:16,314 INFO  L276                IsEmpty]: Start isEmpty. Operand 18083 states and 49706 transitions.
[2022-02-15 11:26:16,340 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:26:16,341 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:16,341 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:16,341 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2022-02-15 11:26:16,341 INFO  L402      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:16,341 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:16,341 INFO  L85        PathProgramCache]: Analyzing trace with hash 1226716063, now seen corresponding path program 1 times
[2022-02-15 11:26:16,342 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:16,342 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056771954]
[2022-02-15 11:26:16,342 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:16,342 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:16,354 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:16,677 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:16,677 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:16,677 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056771954]
[2022-02-15 11:26:16,677 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056771954] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:16,677 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:16,678 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:26:16,678 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030849032]
[2022-02-15 11:26:16,678 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:16,678 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:26:16,678 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:16,678 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:26:16,679 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:26:16,679 INFO  L87              Difference]: Start difference. First operand 18083 states and 49706 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:19,699 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:19,699 INFO  L93              Difference]: Finished difference Result 30940 states and 84292 transitions.
[2022-02-15 11:26:19,700 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2022-02-15 11:26:19,700 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:26:19,700 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:19,767 INFO  L225             Difference]: With dead ends: 30940
[2022-02-15 11:26:19,767 INFO  L226             Difference]: Without dead ends: 30940
[2022-02-15 11:26:19,769 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1026 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=693, Invalid=5007, Unknown=0, NotChecked=0, Total=5700
[2022-02-15 11:26:19,769 INFO  L933         BasicCegarLoop]: 950 mSDtfsCounter, 2004 mSDsluCounter, 20794 mSDsCounter, 0 mSdLazyCounter, 4521 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2004 SdHoareTripleChecker+Valid, 21312 SdHoareTripleChecker+Invalid, 4542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:19,769 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2004 Valid, 21312 Invalid, 4542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4521 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:26:19,828 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 30940 states.
[2022-02-15 11:26:20,201 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 30940 to 20351.
[2022-02-15 11:26:20,227 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 20351 states, 20350 states have (on average 2.7612285012285014) internal successors, (56191), 20350 states have internal predecessors, (56191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:20,272 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20351 states to 20351 states and 56191 transitions.
[2022-02-15 11:26:20,272 INFO  L78                 Accepts]: Start accepts. Automaton has 20351 states and 56191 transitions. Word has length 199
[2022-02-15 11:26:20,272 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:20,272 INFO  L470      AbstractCegarLoop]: Abstraction has 20351 states and 56191 transitions.
[2022-02-15 11:26:20,272 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:20,273 INFO  L276                IsEmpty]: Start isEmpty. Operand 20351 states and 56191 transitions.
[2022-02-15 11:26:20,303 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:26:20,303 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:20,304 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:20,304 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2022-02-15 11:26:20,304 INFO  L402      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:20,304 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:20,304 INFO  L85        PathProgramCache]: Analyzing trace with hash -795081979, now seen corresponding path program 2 times
[2022-02-15 11:26:20,305 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:20,305 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838491109]
[2022-02-15 11:26:20,305 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:20,305 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:20,317 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:20,662 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:20,662 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:20,662 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838491109]
[2022-02-15 11:26:20,662 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838491109] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:20,662 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:20,662 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:26:20,662 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182792719]
[2022-02-15 11:26:20,662 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:20,663 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:26:20,663 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:20,663 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:26:20,663 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:26:20,664 INFO  L87              Difference]: Start difference. First operand 20351 states and 56191 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:23,405 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:23,405 INFO  L93              Difference]: Finished difference Result 29612 states and 80966 transitions.
[2022-02-15 11:26:23,405 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-15 11:26:23,405 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:26:23,406 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:23,463 INFO  L225             Difference]: With dead ends: 29612
[2022-02-15 11:26:23,463 INFO  L226             Difference]: Without dead ends: 29612
[2022-02-15 11:26:23,465 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 887 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=607, Invalid=4505, Unknown=0, NotChecked=0, Total=5112
[2022-02-15 11:26:23,465 INFO  L933         BasicCegarLoop]: 901 mSDtfsCounter, 1850 mSDsluCounter, 19530 mSDsCounter, 0 mSdLazyCounter, 4258 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1850 SdHoareTripleChecker+Valid, 20165 SdHoareTripleChecker+Invalid, 4279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:23,466 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1850 Valid, 20165 Invalid, 4279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4258 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:26:23,519 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 29612 states.
[2022-02-15 11:26:23,989 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 29612 to 20602.
[2022-02-15 11:26:24,017 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 20602 states, 20601 states have (on average 2.760545604582302) internal successors, (56870), 20601 states have internal predecessors, (56870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:24,063 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20602 states to 20602 states and 56870 transitions.
[2022-02-15 11:26:24,064 INFO  L78                 Accepts]: Start accepts. Automaton has 20602 states and 56870 transitions. Word has length 199
[2022-02-15 11:26:24,064 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:24,064 INFO  L470      AbstractCegarLoop]: Abstraction has 20602 states and 56870 transitions.
[2022-02-15 11:26:24,064 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:24,064 INFO  L276                IsEmpty]: Start isEmpty. Operand 20602 states and 56870 transitions.
[2022-02-15 11:26:24,095 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:26:24,095 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:24,095 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:24,096 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2022-02-15 11:26:24,096 INFO  L402      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:24,096 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:24,096 INFO  L85        PathProgramCache]: Analyzing trace with hash 1128055391, now seen corresponding path program 3 times
[2022-02-15 11:26:24,096 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:24,097 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818286180]
[2022-02-15 11:26:24,097 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:24,097 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:24,114 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:24,427 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:24,427 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:24,427 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818286180]
[2022-02-15 11:26:24,427 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818286180] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:24,427 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:24,428 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:26:24,428 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680807924]
[2022-02-15 11:26:24,428 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:24,428 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:26:24,428 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:24,428 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:26:24,429 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:26:24,429 INFO  L87              Difference]: Start difference. First operand 20602 states and 56870 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:26,939 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:26,939 INFO  L93              Difference]: Finished difference Result 29212 states and 79945 transitions.
[2022-02-15 11:26:26,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-15 11:26:26,940 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:26:26,940 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:26,996 INFO  L225             Difference]: With dead ends: 29212
[2022-02-15 11:26:26,996 INFO  L226             Difference]: Without dead ends: 29212
[2022-02-15 11:26:26,997 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 805 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=585, Invalid=4245, Unknown=0, NotChecked=0, Total=4830
[2022-02-15 11:26:26,998 INFO  L933         BasicCegarLoop]: 896 mSDtfsCounter, 1673 mSDsluCounter, 19214 mSDsCounter, 0 mSdLazyCounter, 4216 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1673 SdHoareTripleChecker+Valid, 19854 SdHoareTripleChecker+Invalid, 4235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:26,998 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1673 Valid, 19854 Invalid, 4235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4216 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2022-02-15 11:26:27,172 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 29212 states.
[2022-02-15 11:26:27,445 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 29212 to 20743.
[2022-02-15 11:26:27,471 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 20743 states, 20742 states have (on average 2.759569954681323) internal successors, (57239), 20742 states have internal predecessors, (57239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:27,515 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20743 states to 20743 states and 57239 transitions.
[2022-02-15 11:26:27,515 INFO  L78                 Accepts]: Start accepts. Automaton has 20743 states and 57239 transitions. Word has length 199
[2022-02-15 11:26:27,516 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:27,516 INFO  L470      AbstractCegarLoop]: Abstraction has 20743 states and 57239 transitions.
[2022-02-15 11:26:27,516 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:27,516 INFO  L276                IsEmpty]: Start isEmpty. Operand 20743 states and 57239 transitions.
[2022-02-15 11:26:27,546 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:26:27,546 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:27,546 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:27,547 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2022-02-15 11:26:27,547 INFO  L402      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:27,547 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:27,547 INFO  L85        PathProgramCache]: Analyzing trace with hash -1565625005, now seen corresponding path program 4 times
[2022-02-15 11:26:27,547 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:27,547 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131486117]
[2022-02-15 11:26:27,547 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:27,548 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:27,574 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:27,887 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:27,888 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:27,888 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131486117]
[2022-02-15 11:26:27,888 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131486117] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:27,888 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:27,888 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:26:27,888 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784628947]
[2022-02-15 11:26:27,888 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:27,888 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:26:27,889 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:27,889 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:26:27,889 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:26:27,889 INFO  L87              Difference]: Start difference. First operand 20743 states and 57239 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:30,474 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:30,474 INFO  L93              Difference]: Finished difference Result 30570 states and 83337 transitions.
[2022-02-15 11:26:30,474 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-02-15 11:26:30,474 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:26:30,475 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:30,531 INFO  L225             Difference]: With dead ends: 30570
[2022-02-15 11:26:30,531 INFO  L226             Difference]: Without dead ends: 30570
[2022-02-15 11:26:30,532 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 843 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=601, Invalid=4369, Unknown=0, NotChecked=0, Total=4970
[2022-02-15 11:26:30,532 INFO  L933         BasicCegarLoop]: 909 mSDtfsCounter, 1756 mSDsluCounter, 19472 mSDsCounter, 0 mSdLazyCounter, 4149 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 20124 SdHoareTripleChecker+Invalid, 4168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:30,533 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1756 Valid, 20124 Invalid, 4168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4149 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2022-02-15 11:26:30,581 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 30570 states.
[2022-02-15 11:26:30,866 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 30570 to 20790.
[2022-02-15 11:26:30,891 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 20790 states, 20789 states have (on average 2.759247679061042) internal successors, (57362), 20789 states have internal predecessors, (57362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:30,936 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20790 states to 20790 states and 57362 transitions.
[2022-02-15 11:26:30,936 INFO  L78                 Accepts]: Start accepts. Automaton has 20790 states and 57362 transitions. Word has length 199
[2022-02-15 11:26:30,936 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:30,936 INFO  L470      AbstractCegarLoop]: Abstraction has 20790 states and 57362 transitions.
[2022-02-15 11:26:30,936 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:30,937 INFO  L276                IsEmpty]: Start isEmpty. Operand 20790 states and 57362 transitions.
[2022-02-15 11:26:30,967 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:26:30,967 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:30,967 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:30,967 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2022-02-15 11:26:30,968 INFO  L402      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:30,968 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:30,968 INFO  L85        PathProgramCache]: Analyzing trace with hash 2128110973, now seen corresponding path program 5 times
[2022-02-15 11:26:30,968 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:30,968 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122746091]
[2022-02-15 11:26:30,968 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:30,968 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:30,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:31,312 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:31,312 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:31,312 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122746091]
[2022-02-15 11:26:31,312 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122746091] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:31,312 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:31,312 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:26:31,312 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981462307]
[2022-02-15 11:26:31,312 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:31,313 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:26:31,313 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:31,313 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:26:31,313 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:26:31,313 INFO  L87              Difference]: Start difference. First operand 20790 states and 57362 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:33,824 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:33,824 INFO  L93              Difference]: Finished difference Result 31813 states and 86509 transitions.
[2022-02-15 11:26:33,826 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-15 11:26:33,826 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:26:33,826 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:33,889 INFO  L225             Difference]: With dead ends: 31813
[2022-02-15 11:26:33,889 INFO  L226             Difference]: Without dead ends: 31813
[2022-02-15 11:26:33,890 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 883 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=614, Invalid=4498, Unknown=0, NotChecked=0, Total=5112
[2022-02-15 11:26:33,890 INFO  L933         BasicCegarLoop]: 946 mSDtfsCounter, 1756 mSDsluCounter, 20195 mSDsCounter, 0 mSdLazyCounter, 4145 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 20866 SdHoareTripleChecker+Invalid, 4164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:33,890 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1756 Valid, 20866 Invalid, 4164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4145 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2022-02-15 11:26:33,945 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 31813 states.
[2022-02-15 11:26:34,302 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 31813 to 21401.
[2022-02-15 11:26:34,328 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 21401 states, 21400 states have (on average 2.7551869158878506) internal successors, (58961), 21400 states have internal predecessors, (58961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:34,372 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 21401 states to 21401 states and 58961 transitions.
[2022-02-15 11:26:34,372 INFO  L78                 Accepts]: Start accepts. Automaton has 21401 states and 58961 transitions. Word has length 199
[2022-02-15 11:26:34,373 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:34,373 INFO  L470      AbstractCegarLoop]: Abstraction has 21401 states and 58961 transitions.
[2022-02-15 11:26:34,373 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:34,373 INFO  L276                IsEmpty]: Start isEmpty. Operand 21401 states and 58961 transitions.
[2022-02-15 11:26:34,404 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:26:34,404 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:34,404 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:34,404 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2022-02-15 11:26:34,404 INFO  L402      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:34,405 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:34,405 INFO  L85        PathProgramCache]: Analyzing trace with hash -249094141, now seen corresponding path program 6 times
[2022-02-15 11:26:34,405 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:34,405 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419990715]
[2022-02-15 11:26:34,405 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:34,405 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:34,418 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:34,717 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:34,717 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:34,717 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419990715]
[2022-02-15 11:26:34,717 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419990715] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:34,717 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:34,717 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:26:34,718 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129695905]
[2022-02-15 11:26:34,718 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:34,718 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:26:34,718 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:34,718 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:26:34,718 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:26:34,719 INFO  L87              Difference]: Start difference. First operand 21401 states and 58961 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:37,269 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:37,269 INFO  L93              Difference]: Finished difference Result 32471 states and 88231 transitions.
[2022-02-15 11:26:37,270 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-15 11:26:37,270 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:26:37,270 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:37,333 INFO  L225             Difference]: With dead ends: 32471
[2022-02-15 11:26:37,333 INFO  L226             Difference]: Without dead ends: 32471
[2022-02-15 11:26:37,335 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=610, Invalid=4502, Unknown=0, NotChecked=0, Total=5112
[2022-02-15 11:26:37,336 INFO  L933         BasicCegarLoop]: 950 mSDtfsCounter, 1786 mSDsluCounter, 20339 mSDsCounter, 0 mSdLazyCounter, 4145 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 21014 SdHoareTripleChecker+Invalid, 4164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:37,336 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1786 Valid, 21014 Invalid, 4164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4145 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2022-02-15 11:26:37,393 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 32471 states.
[2022-02-15 11:26:37,786 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 32471 to 21448.
[2022-02-15 11:26:37,812 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 21448 states, 21447 states have (on average 2.7548841329789715) internal successors, (59084), 21447 states have internal predecessors, (59084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:37,856 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 21448 states to 21448 states and 59084 transitions.
[2022-02-15 11:26:37,856 INFO  L78                 Accepts]: Start accepts. Automaton has 21448 states and 59084 transitions. Word has length 199
[2022-02-15 11:26:37,856 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:37,856 INFO  L470      AbstractCegarLoop]: Abstraction has 21448 states and 59084 transitions.
[2022-02-15 11:26:37,857 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:37,857 INFO  L276                IsEmpty]: Start isEmpty. Operand 21448 states and 59084 transitions.
[2022-02-15 11:26:37,885 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:26:37,886 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:37,886 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:37,886 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2022-02-15 11:26:37,886 INFO  L402      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:37,886 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:37,886 INFO  L85        PathProgramCache]: Analyzing trace with hash -816277943, now seen corresponding path program 7 times
[2022-02-15 11:26:37,887 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:37,887 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236896207]
[2022-02-15 11:26:37,887 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:37,887 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:37,900 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:38,201 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:38,201 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:38,201 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236896207]
[2022-02-15 11:26:38,201 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236896207] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:38,201 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:38,201 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:26:38,201 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998317976]
[2022-02-15 11:26:38,201 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:38,202 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:26:38,202 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:38,202 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:26:38,202 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:26:38,202 INFO  L87              Difference]: Start difference. First operand 21448 states and 59084 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:40,631 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:40,631 INFO  L93              Difference]: Finished difference Result 32659 states and 88723 transitions.
[2022-02-15 11:26:40,632 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-15 11:26:40,632 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:26:40,632 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:40,692 INFO  L225             Difference]: With dead ends: 32659
[2022-02-15 11:26:40,692 INFO  L226             Difference]: Without dead ends: 32659
[2022-02-15 11:26:40,693 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 887 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=606, Invalid=4506, Unknown=0, NotChecked=0, Total=5112
[2022-02-15 11:26:40,694 INFO  L933         BasicCegarLoop]: 952 mSDtfsCounter, 1774 mSDsluCounter, 20457 mSDsCounter, 0 mSdLazyCounter, 3961 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 21134 SdHoareTripleChecker+Invalid, 3980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 3961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:40,694 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1774 Valid, 21134 Invalid, 3980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 3961 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2022-02-15 11:26:40,748 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 32659 states.
[2022-02-15 11:26:41,141 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 32659 to 21589.
[2022-02-15 11:26:41,168 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 21589 states, 21588 states have (on average 2.7539836946451732) internal successors, (59453), 21588 states have internal predecessors, (59453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:41,212 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 21589 states to 21589 states and 59453 transitions.
[2022-02-15 11:26:41,213 INFO  L78                 Accepts]: Start accepts. Automaton has 21589 states and 59453 transitions. Word has length 199
[2022-02-15 11:26:41,213 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:41,213 INFO  L470      AbstractCegarLoop]: Abstraction has 21589 states and 59453 transitions.
[2022-02-15 11:26:41,213 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:41,213 INFO  L276                IsEmpty]: Start isEmpty. Operand 21589 states and 59453 transitions.
[2022-02-15 11:26:41,242 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:26:41,242 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:41,242 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:41,243 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2022-02-15 11:26:41,243 INFO  L402      AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:41,243 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:41,243 INFO  L85        PathProgramCache]: Analyzing trace with hash -1071114681, now seen corresponding path program 8 times
[2022-02-15 11:26:41,243 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:41,243 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602598542]
[2022-02-15 11:26:41,243 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:41,243 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:41,255 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:41,566 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:41,567 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:41,567 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602598542]
[2022-02-15 11:26:41,567 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602598542] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:41,567 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:41,567 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:26:41,567 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628980383]
[2022-02-15 11:26:41,567 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:41,567 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:26:41,567 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:41,568 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:26:41,568 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:26:41,568 INFO  L87              Difference]: Start difference. First operand 21589 states and 59453 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:44,045 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:44,046 INFO  L93              Difference]: Finished difference Result 32941 states and 89461 transitions.
[2022-02-15 11:26:44,046 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2022-02-15 11:26:44,046 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:26:44,046 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:44,106 INFO  L225             Difference]: With dead ends: 32941
[2022-02-15 11:26:44,107 INFO  L226             Difference]: Without dead ends: 32941
[2022-02-15 11:26:44,108 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=619, Invalid=4637, Unknown=0, NotChecked=0, Total=5256
[2022-02-15 11:26:44,108 INFO  L933         BasicCegarLoop]: 954 mSDtfsCounter, 1789 mSDsluCounter, 20560 mSDsCounter, 0 mSdLazyCounter, 3838 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1789 SdHoareTripleChecker+Valid, 21239 SdHoareTripleChecker+Invalid, 3857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 3838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:44,108 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1789 Valid, 21239 Invalid, 3857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 3838 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2022-02-15 11:26:44,164 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 32941 states.
[2022-02-15 11:26:44,558 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 32941 to 21730.
[2022-02-15 11:26:44,586 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 21730 states, 21729 states have (on average 2.7530949422430853) internal successors, (59822), 21729 states have internal predecessors, (59822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:44,634 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 21730 states to 21730 states and 59822 transitions.
[2022-02-15 11:26:44,634 INFO  L78                 Accepts]: Start accepts. Automaton has 21730 states and 59822 transitions. Word has length 199
[2022-02-15 11:26:44,634 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:44,634 INFO  L470      AbstractCegarLoop]: Abstraction has 21730 states and 59822 transitions.
[2022-02-15 11:26:44,635 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:44,635 INFO  L276                IsEmpty]: Start isEmpty. Operand 21730 states and 59822 transitions.
[2022-02-15 11:26:44,668 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:26:44,668 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:44,668 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:44,668 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2022-02-15 11:26:44,668 INFO  L402      AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:44,669 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:44,669 INFO  L85        PathProgramCache]: Analyzing trace with hash 700681267, now seen corresponding path program 9 times
[2022-02-15 11:26:44,669 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:44,669 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107185232]
[2022-02-15 11:26:44,669 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:44,669 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:44,681 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:44,983 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:44,983 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:44,983 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107185232]
[2022-02-15 11:26:44,983 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107185232] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:44,983 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:44,983 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:26:44,983 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641280125]
[2022-02-15 11:26:44,983 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:44,984 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:26:44,984 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:44,984 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:26:44,984 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:26:44,984 INFO  L87              Difference]: Start difference. First operand 21730 states and 59822 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:47,187 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:47,188 INFO  L93              Difference]: Finished difference Result 28372 states and 77421 transitions.
[2022-02-15 11:26:47,188 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-15 11:26:47,188 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:26:47,189 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:47,241 INFO  L225             Difference]: With dead ends: 28372
[2022-02-15 11:26:47,241 INFO  L226             Difference]: Without dead ends: 28372
[2022-02-15 11:26:47,242 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 769 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=567, Invalid=4125, Unknown=0, NotChecked=0, Total=4692
[2022-02-15 11:26:47,242 INFO  L933         BasicCegarLoop]: 871 mSDtfsCounter, 1624 mSDsluCounter, 18727 mSDsCounter, 0 mSdLazyCounter, 3474 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1624 SdHoareTripleChecker+Valid, 19317 SdHoareTripleChecker+Invalid, 3493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 3474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:47,242 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1624 Valid, 19317 Invalid, 3493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 3474 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2022-02-15 11:26:47,290 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 28372 states.
[2022-02-15 11:26:47,598 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 28372 to 21871.
[2022-02-15 11:26:47,626 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 21871 states, 21870 states have (on average 2.752217649748514) internal successors, (60191), 21870 states have internal predecessors, (60191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:47,671 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 21871 states to 21871 states and 60191 transitions.
[2022-02-15 11:26:47,671 INFO  L78                 Accepts]: Start accepts. Automaton has 21871 states and 60191 transitions. Word has length 199
[2022-02-15 11:26:47,672 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:47,672 INFO  L470      AbstractCegarLoop]: Abstraction has 21871 states and 60191 transitions.
[2022-02-15 11:26:47,672 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:47,672 INFO  L276                IsEmpty]: Start isEmpty. Operand 21871 states and 60191 transitions.
[2022-02-15 11:26:47,702 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:26:47,702 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:47,702 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:47,703 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2022-02-15 11:26:47,703 INFO  L402      AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:47,703 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:47,703 INFO  L85        PathProgramCache]: Analyzing trace with hash 1610893309, now seen corresponding path program 10 times
[2022-02-15 11:26:47,703 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:47,703 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253958766]
[2022-02-15 11:26:47,703 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:47,703 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:47,720 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:48,194 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:48,195 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:48,195 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253958766]
[2022-02-15 11:26:48,195 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253958766] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:48,195 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:48,196 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:26:48,196 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417198597]
[2022-02-15 11:26:48,196 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:48,196 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:26:48,196 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:48,196 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:26:48,197 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:26:48,198 INFO  L87              Difference]: Start difference. First operand 21871 states and 60191 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:50,950 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:50,951 INFO  L93              Difference]: Finished difference Result 36709 states and 100073 transitions.
[2022-02-15 11:26:50,951 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:26:50,951 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:26:50,952 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:51,027 INFO  L225             Difference]: With dead ends: 36709
[2022-02-15 11:26:51,027 INFO  L226             Difference]: Without dead ends: 36709
[2022-02-15 11:26:51,027 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1065 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=646, Invalid=5054, Unknown=0, NotChecked=0, Total=5700
[2022-02-15 11:26:51,028 INFO  L933         BasicCegarLoop]: 923 mSDtfsCounter, 1881 mSDsluCounter, 20342 mSDsCounter, 0 mSdLazyCounter, 4672 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1881 SdHoareTripleChecker+Valid, 20947 SdHoareTripleChecker+Invalid, 4693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:51,028 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1881 Valid, 20947 Invalid, 4693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4672 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:26:51,083 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 36709 states.
[2022-02-15 11:26:51,447 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 36709 to 22447.
[2022-02-15 11:26:51,476 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22447 states, 22446 states have (on average 2.756615878107458) internal successors, (61875), 22446 states have internal predecessors, (61875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:51,523 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22447 states to 22447 states and 61875 transitions.
[2022-02-15 11:26:51,523 INFO  L78                 Accepts]: Start accepts. Automaton has 22447 states and 61875 transitions. Word has length 199
[2022-02-15 11:26:51,524 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:51,524 INFO  L470      AbstractCegarLoop]: Abstraction has 22447 states and 61875 transitions.
[2022-02-15 11:26:51,524 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:51,524 INFO  L276                IsEmpty]: Start isEmpty. Operand 22447 states and 61875 transitions.
[2022-02-15 11:26:51,556 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:26:51,556 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:51,556 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:51,557 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2022-02-15 11:26:51,557 INFO  L402      AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:51,557 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:51,557 INFO  L85        PathProgramCache]: Analyzing trace with hash -410904733, now seen corresponding path program 11 times
[2022-02-15 11:26:51,557 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:51,557 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767707467]
[2022-02-15 11:26:51,557 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:51,557 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:51,568 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:51,871 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:51,872 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:51,872 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767707467]
[2022-02-15 11:26:51,872 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767707467] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:51,872 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:51,872 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:26:51,872 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281392623]
[2022-02-15 11:26:51,872 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:51,872 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:26:51,873 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:51,873 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:26:51,873 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:26:51,873 INFO  L87              Difference]: Start difference. First operand 22447 states and 61875 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:54,578 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:54,578 INFO  L93              Difference]: Finished difference Result 35668 states and 97515 transitions.
[2022-02-15 11:26:54,579 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-15 11:26:54,579 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:26:54,579 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:54,650 INFO  L225             Difference]: With dead ends: 35668
[2022-02-15 11:26:54,651 INFO  L226             Difference]: Without dead ends: 35668
[2022-02-15 11:26:54,652 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1218 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=665, Invalid=5497, Unknown=0, NotChecked=0, Total=6162
[2022-02-15 11:26:54,652 INFO  L933         BasicCegarLoop]: 924 mSDtfsCounter, 1847 mSDsluCounter, 20164 mSDsCounter, 0 mSdLazyCounter, 4539 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1847 SdHoareTripleChecker+Valid, 20860 SdHoareTripleChecker+Invalid, 4560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:54,652 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1847 Valid, 20860 Invalid, 4560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4539 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:26:54,715 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 35668 states.
[2022-02-15 11:26:55,174 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 35668 to 22383.
[2022-02-15 11:26:55,205 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22383 states, 22382 states have (on average 2.755205075507104) internal successors, (61667), 22382 states have internal predecessors, (61667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:55,256 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22383 states to 22383 states and 61667 transitions.
[2022-02-15 11:26:55,256 INFO  L78                 Accepts]: Start accepts. Automaton has 22383 states and 61667 transitions. Word has length 199
[2022-02-15 11:26:55,257 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:55,257 INFO  L470      AbstractCegarLoop]: Abstraction has 22383 states and 61667 transitions.
[2022-02-15 11:26:55,257 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:55,257 INFO  L276                IsEmpty]: Start isEmpty. Operand 22383 states and 61667 transitions.
[2022-02-15 11:26:55,288 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:26:55,288 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:55,289 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:55,289 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34
[2022-02-15 11:26:55,289 INFO  L402      AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:55,289 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:55,289 INFO  L85        PathProgramCache]: Analyzing trace with hash 1512232637, now seen corresponding path program 12 times
[2022-02-15 11:26:55,289 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:55,289 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470525493]
[2022-02-15 11:26:55,290 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:55,290 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:55,300 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:55,587 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:55,587 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:55,587 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470525493]
[2022-02-15 11:26:55,587 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470525493] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:55,587 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:55,588 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:26:55,588 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209205034]
[2022-02-15 11:26:55,588 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:55,588 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:26:55,588 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:55,588 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:26:55,589 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:26:55,589 INFO  L87              Difference]: Start difference. First operand 22383 states and 61667 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:58,221 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:26:58,222 INFO  L93              Difference]: Finished difference Result 34539 states and 94612 transitions.
[2022-02-15 11:26:58,222 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-15 11:26:58,222 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:26:58,222 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:26:58,289 INFO  L225             Difference]: With dead ends: 34539
[2022-02-15 11:26:58,290 INFO  L226             Difference]: Without dead ends: 34539
[2022-02-15 11:26:58,290 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 987 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=598, Invalid=4804, Unknown=0, NotChecked=0, Total=5402
[2022-02-15 11:26:58,290 INFO  L933         BasicCegarLoop]: 921 mSDtfsCounter, 1645 mSDsluCounter, 19913 mSDsCounter, 0 mSdLazyCounter, 4465 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1645 SdHoareTripleChecker+Valid, 20613 SdHoareTripleChecker+Invalid, 4484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2022-02-15 11:26:58,291 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1645 Valid, 20613 Invalid, 4484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4465 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2022-02-15 11:26:58,348 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 34539 states.
[2022-02-15 11:26:58,731 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 34539 to 22335.
[2022-02-15 11:26:58,759 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22335 states, 22334 states have (on average 2.7546789648070207) internal successors, (61523), 22334 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:58,807 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22335 states to 22335 states and 61523 transitions.
[2022-02-15 11:26:58,807 INFO  L78                 Accepts]: Start accepts. Automaton has 22335 states and 61523 transitions. Word has length 199
[2022-02-15 11:26:58,807 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:26:58,807 INFO  L470      AbstractCegarLoop]: Abstraction has 22335 states and 61523 transitions.
[2022-02-15 11:26:58,807 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:26:58,807 INFO  L276                IsEmpty]: Start isEmpty. Operand 22335 states and 61523 transitions.
[2022-02-15 11:26:58,838 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:26:58,839 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:26:58,839 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:26:58,839 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35
[2022-02-15 11:26:58,839 INFO  L402      AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:26:58,839 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:26:58,839 INFO  L85        PathProgramCache]: Analyzing trace with hash -1181447759, now seen corresponding path program 13 times
[2022-02-15 11:26:58,840 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:26:58,840 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433853931]
[2022-02-15 11:26:58,840 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:26:58,840 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:26:58,850 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:26:59,131 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:26:59,131 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:26:59,132 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433853931]
[2022-02-15 11:26:59,132 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433853931] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:26:59,132 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:26:59,132 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:26:59,132 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168468608]
[2022-02-15 11:26:59,132 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:26:59,132 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:26:59,132 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:26:59,133 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:26:59,133 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:26:59,133 INFO  L87              Difference]: Start difference. First operand 22335 states and 61523 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:01,715 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:27:01,715 INFO  L93              Difference]: Finished difference Result 35897 states and 98004 transitions.
[2022-02-15 11:27:01,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-15 11:27:01,716 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:27:01,716 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:27:01,787 INFO  L225             Difference]: With dead ends: 35897
[2022-02-15 11:27:01,788 INFO  L226             Difference]: Without dead ends: 35897
[2022-02-15 11:27:01,789 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 990 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=593, Invalid=4809, Unknown=0, NotChecked=0, Total=5402
[2022-02-15 11:27:01,789 INFO  L933         BasicCegarLoop]: 934 mSDtfsCounter, 1701 mSDsluCounter, 20228 mSDsCounter, 0 mSdLazyCounter, 4378 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 20939 SdHoareTripleChecker+Invalid, 4397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:27:01,789 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1701 Valid, 20939 Invalid, 4397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4378 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:27:01,850 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 35897 states.
[2022-02-15 11:27:02,360 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 35897 to 22319.
[2022-02-15 11:27:02,388 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22319 states, 22318 states have (on average 2.754503091674881) internal successors, (61475), 22318 states have internal predecessors, (61475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:02,433 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22319 states to 22319 states and 61475 transitions.
[2022-02-15 11:27:02,433 INFO  L78                 Accepts]: Start accepts. Automaton has 22319 states and 61475 transitions. Word has length 199
[2022-02-15 11:27:02,433 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:27:02,434 INFO  L470      AbstractCegarLoop]: Abstraction has 22319 states and 61475 transitions.
[2022-02-15 11:27:02,434 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:02,434 INFO  L276                IsEmpty]: Start isEmpty. Operand 22319 states and 61475 transitions.
[2022-02-15 11:27:02,466 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:27:02,466 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:27:02,466 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:27:02,466 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36
[2022-02-15 11:27:02,466 INFO  L402      AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:27:02,467 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:27:02,467 INFO  L85        PathProgramCache]: Analyzing trace with hash -1782679077, now seen corresponding path program 14 times
[2022-02-15 11:27:02,467 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:27:02,467 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945520995]
[2022-02-15 11:27:02,467 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:27:02,467 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:27:02,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:27:02,775 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:27:02,775 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:27:02,775 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945520995]
[2022-02-15 11:27:02,775 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945520995] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:27:02,775 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:27:02,775 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:27:02,775 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350612765]
[2022-02-15 11:27:02,776 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:27:02,776 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:27:02,776 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:27:02,776 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:27:02,776 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:27:02,776 INFO  L87              Difference]: Start difference. First operand 22319 states and 61475 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:05,305 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:27:05,305 INFO  L93              Difference]: Finished difference Result 34890 states and 95146 transitions.
[2022-02-15 11:27:05,305 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2022-02-15 11:27:05,306 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:27:05,306 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:27:05,375 INFO  L225             Difference]: With dead ends: 34890
[2022-02-15 11:27:05,375 INFO  L226             Difference]: Without dead ends: 34890
[2022-02-15 11:27:05,376 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 908 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=561, Invalid=4551, Unknown=0, NotChecked=0, Total=5112
[2022-02-15 11:27:05,377 INFO  L933         BasicCegarLoop]: 981 mSDtfsCounter, 1593 mSDsluCounter, 21261 mSDsCounter, 0 mSdLazyCounter, 4405 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1593 SdHoareTripleChecker+Valid, 21998 SdHoareTripleChecker+Invalid, 4424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2022-02-15 11:27:05,377 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1593 Valid, 21998 Invalid, 4424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4405 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2022-02-15 11:27:05,436 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 34890 states.
[2022-02-15 11:27:05,896 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 34890 to 22111.
[2022-02-15 11:27:05,924 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22111 states, 22110 states have (on average 2.752193577566712) internal successors, (60851), 22110 states have internal predecessors, (60851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:05,971 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22111 states to 22111 states and 60851 transitions.
[2022-02-15 11:27:05,971 INFO  L78                 Accepts]: Start accepts. Automaton has 22111 states and 60851 transitions. Word has length 199
[2022-02-15 11:27:05,972 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:27:05,972 INFO  L470      AbstractCegarLoop]: Abstraction has 22111 states and 60851 transitions.
[2022-02-15 11:27:05,972 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:05,972 INFO  L276                IsEmpty]: Start isEmpty. Operand 22111 states and 60851 transitions.
[2022-02-15 11:27:06,003 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:27:06,003 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:27:06,003 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:27:06,003 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37
[2022-02-15 11:27:06,003 INFO  L402      AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:27:06,004 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:27:06,004 INFO  L85        PathProgramCache]: Analyzing trace with hash -1089079169, now seen corresponding path program 15 times
[2022-02-15 11:27:06,004 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:27:06,004 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130875125]
[2022-02-15 11:27:06,004 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:27:06,004 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:27:06,014 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:27:06,321 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:27:06,321 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:27:06,321 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130875125]
[2022-02-15 11:27:06,321 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130875125] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:27:06,322 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:27:06,322 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:27:06,322 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653269071]
[2022-02-15 11:27:06,322 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:27:06,322 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:27:06,322 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:27:06,322 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:27:06,323 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:27:06,323 INFO  L87              Difference]: Start difference. First operand 22111 states and 60851 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:08,733 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:27:08,734 INFO  L93              Difference]: Finished difference Result 30232 states and 82639 transitions.
[2022-02-15 11:27:08,734 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-02-15 11:27:08,734 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:27:08,734 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:27:08,788 INFO  L225             Difference]: With dead ends: 30232
[2022-02-15 11:27:08,789 INFO  L226             Difference]: Without dead ends: 30232
[2022-02-15 11:27:08,789 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 688 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=563, Invalid=3859, Unknown=0, NotChecked=0, Total=4422
[2022-02-15 11:27:08,789 INFO  L933         BasicCegarLoop]: 802 mSDtfsCounter, 1518 mSDsluCounter, 17201 mSDsCounter, 0 mSdLazyCounter, 4068 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1518 SdHoareTripleChecker+Valid, 17827 SdHoareTripleChecker+Invalid, 4089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2022-02-15 11:27:08,790 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1518 Valid, 17827 Invalid, 4089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4068 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2022-02-15 11:27:08,840 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 30232 states.
[2022-02-15 11:27:09,162 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 30232 to 22271.
[2022-02-15 11:27:09,190 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22271 states, 22270 states have (on average 2.7541535698248767) internal successors, (61335), 22270 states have internal predecessors, (61335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:09,236 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22271 states to 22271 states and 61335 transitions.
[2022-02-15 11:27:09,236 INFO  L78                 Accepts]: Start accepts. Automaton has 22271 states and 61335 transitions. Word has length 199
[2022-02-15 11:27:09,237 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:27:09,237 INFO  L470      AbstractCegarLoop]: Abstraction has 22271 states and 61335 transitions.
[2022-02-15 11:27:09,237 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:09,237 INFO  L276                IsEmpty]: Start isEmpty. Operand 22271 states and 61335 transitions.
[2022-02-15 11:27:09,268 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:27:09,268 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:27:09,268 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:27:09,268 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38
[2022-02-15 11:27:09,269 INFO  L402      AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:27:09,269 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:27:09,269 INFO  L85        PathProgramCache]: Analyzing trace with hash 1184090085, now seen corresponding path program 16 times
[2022-02-15 11:27:09,269 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:27:09,269 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605210344]
[2022-02-15 11:27:09,269 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:27:09,269 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:27:09,279 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:27:09,574 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:27:09,574 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:27:09,574 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605210344]
[2022-02-15 11:27:09,574 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605210344] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:27:09,574 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:27:09,574 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:27:09,574 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670946165]
[2022-02-15 11:27:09,574 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:27:09,575 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:27:09,575 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:27:09,575 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:27:09,575 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:27:09,575 INFO  L87              Difference]: Start difference. First operand 22271 states and 61335 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:11,958 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:27:11,958 INFO  L93              Difference]: Finished difference Result 30134 states and 82524 transitions.
[2022-02-15 11:27:11,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-15 11:27:11,958 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:27:11,959 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:27:12,017 INFO  L225             Difference]: With dead ends: 30134
[2022-02-15 11:27:12,017 INFO  L226             Difference]: Without dead ends: 30134
[2022-02-15 11:27:12,017 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=592, Invalid=4378, Unknown=0, NotChecked=0, Total=4970
[2022-02-15 11:27:12,018 INFO  L933         BasicCegarLoop]: 820 mSDtfsCounter, 1538 mSDsluCounter, 17435 mSDsCounter, 0 mSdLazyCounter, 4113 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1538 SdHoareTripleChecker+Valid, 18149 SdHoareTripleChecker+Invalid, 4134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2022-02-15 11:27:12,018 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1538 Valid, 18149 Invalid, 4134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4113 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2022-02-15 11:27:12,070 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 30134 states.
[2022-02-15 11:27:12,418 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 30134 to 22219.
[2022-02-15 11:27:12,447 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22219 states, 22218 states have (on average 2.753263119992799) internal successors, (61172), 22218 states have internal predecessors, (61172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:12,498 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22219 states to 22219 states and 61172 transitions.
[2022-02-15 11:27:12,499 INFO  L78                 Accepts]: Start accepts. Automaton has 22219 states and 61172 transitions. Word has length 199
[2022-02-15 11:27:12,499 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:27:12,499 INFO  L470      AbstractCegarLoop]: Abstraction has 22219 states and 61172 transitions.
[2022-02-15 11:27:12,499 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:12,499 INFO  L276                IsEmpty]: Start isEmpty. Operand 22219 states and 61172 transitions.
[2022-02-15 11:27:12,537 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:27:12,537 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:27:12,537 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:27:12,537 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39
[2022-02-15 11:27:12,537 INFO  L402      AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:27:12,537 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:27:12,538 INFO  L85        PathProgramCache]: Analyzing trace with hash 806892861, now seen corresponding path program 17 times
[2022-02-15 11:27:12,538 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:27:12,538 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596380378]
[2022-02-15 11:27:12,538 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:27:12,538 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:27:12,548 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:27:12,842 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:27:12,842 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:27:12,843 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596380378]
[2022-02-15 11:27:12,843 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596380378] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:27:12,843 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:27:12,843 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:27:12,843 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209725360]
[2022-02-15 11:27:12,843 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:27:12,843 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:27:12,843 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:27:12,844 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:27:12,844 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:27:12,845 INFO  L87              Difference]: Start difference. First operand 22219 states and 61172 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:15,119 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:27:15,120 INFO  L93              Difference]: Finished difference Result 27868 states and 76163 transitions.
[2022-02-15 11:27:15,120 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-02-15 11:27:15,120 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:27:15,120 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:27:15,172 INFO  L225             Difference]: With dead ends: 27868
[2022-02-15 11:27:15,172 INFO  L226             Difference]: Without dead ends: 27868
[2022-02-15 11:27:15,173 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=540, Invalid=3620, Unknown=0, NotChecked=0, Total=4160
[2022-02-15 11:27:15,173 INFO  L933         BasicCegarLoop]: 781 mSDtfsCounter, 1434 mSDsluCounter, 16646 mSDsCounter, 0 mSdLazyCounter, 3773 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1434 SdHoareTripleChecker+Valid, 17270 SdHoareTripleChecker+Invalid, 3792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 3773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2022-02-15 11:27:15,173 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1434 Valid, 17270 Invalid, 3792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 3773 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2022-02-15 11:27:15,222 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 27868 states.
[2022-02-15 11:27:15,505 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 27868 to 22351.
[2022-02-15 11:27:15,533 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:15,579 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions.
[2022-02-15 11:27:15,579 INFO  L78                 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199
[2022-02-15 11:27:15,579 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:27:15,579 INFO  L470      AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions.
[2022-02-15 11:27:15,579 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:15,580 INFO  L276                IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions.
[2022-02-15 11:27:15,609 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:27:15,609 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:27:15,609 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:27:15,609 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40
[2022-02-15 11:27:15,609 INFO  L402      AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:27:15,610 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:27:15,610 INFO  L85        PathProgramCache]: Analyzing trace with hash 1169599549, now seen corresponding path program 18 times
[2022-02-15 11:27:15,610 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:27:15,610 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460758014]
[2022-02-15 11:27:15,610 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:27:15,610 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:27:15,623 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:27:15,971 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:27:15,971 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:27:15,971 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460758014]
[2022-02-15 11:27:15,971 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460758014] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:27:15,971 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:27:15,971 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:27:15,972 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269941844]
[2022-02-15 11:27:15,972 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:27:15,972 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:27:15,972 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:27:15,972 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:27:15,972 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:27:15,973 INFO  L87              Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:18,333 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:27:18,334 INFO  L93              Difference]: Finished difference Result 30824 states and 84229 transitions.
[2022-02-15 11:27:18,334 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-02-15 11:27:18,334 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:27:18,334 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:27:18,393 INFO  L225             Difference]: With dead ends: 30824
[2022-02-15 11:27:18,393 INFO  L226             Difference]: Without dead ends: 30824
[2022-02-15 11:27:18,394 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 772 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=562, Invalid=4130, Unknown=0, NotChecked=0, Total=4692
[2022-02-15 11:27:18,394 INFO  L933         BasicCegarLoop]: 839 mSDtfsCounter, 1546 mSDsluCounter, 18164 mSDsCounter, 0 mSdLazyCounter, 4287 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1546 SdHoareTripleChecker+Valid, 18779 SdHoareTripleChecker+Invalid, 4308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2022-02-15 11:27:18,394 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1546 Valid, 18779 Invalid, 4308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4287 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2022-02-15 11:27:18,445 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 30824 states.
[2022-02-15 11:27:18,857 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 30824 to 22463.
[2022-02-15 11:27:18,884 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22463 states, 22462 states have (on average 2.7546523016650344) internal successors, (61875), 22462 states have internal predecessors, (61875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:18,928 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22463 states to 22463 states and 61875 transitions.
[2022-02-15 11:27:18,929 INFO  L78                 Accepts]: Start accepts. Automaton has 22463 states and 61875 transitions. Word has length 199
[2022-02-15 11:27:18,929 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:27:18,929 INFO  L470      AbstractCegarLoop]: Abstraction has 22463 states and 61875 transitions.
[2022-02-15 11:27:18,929 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:18,929 INFO  L276                IsEmpty]: Start isEmpty. Operand 22463 states and 61875 transitions.
[2022-02-15 11:27:18,958 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:27:18,958 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:27:18,958 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:27:18,958 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41
[2022-02-15 11:27:18,958 INFO  L402      AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:27:18,959 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:27:18,959 INFO  L85        PathProgramCache]: Analyzing trace with hash -852198493, now seen corresponding path program 19 times
[2022-02-15 11:27:18,959 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:27:18,959 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411588047]
[2022-02-15 11:27:18,959 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:27:18,959 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:27:18,970 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:27:19,261 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:27:19,261 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:27:19,261 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411588047]
[2022-02-15 11:27:19,261 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411588047] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:27:19,261 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:27:19,261 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:27:19,262 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661894907]
[2022-02-15 11:27:19,262 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:27:19,262 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:27:19,262 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:27:19,263 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:27:19,264 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:27:19,264 INFO  L87              Difference]: Start difference. First operand 22463 states and 61875 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:21,653 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:27:21,653 INFO  L93              Difference]: Finished difference Result 30618 states and 83846 transitions.
[2022-02-15 11:27:21,653 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2022-02-15 11:27:21,654 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:27:21,654 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:27:21,713 INFO  L225             Difference]: With dead ends: 30618
[2022-02-15 11:27:21,713 INFO  L226             Difference]: Without dead ends: 30618
[2022-02-15 11:27:21,714 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 895 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=584, Invalid=4528, Unknown=0, NotChecked=0, Total=5112
[2022-02-15 11:27:21,714 INFO  L933         BasicCegarLoop]: 877 mSDtfsCounter, 1547 mSDsluCounter, 18866 mSDsCounter, 0 mSdLazyCounter, 4301 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 19568 SdHoareTripleChecker+Invalid, 4322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2022-02-15 11:27:21,715 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1547 Valid, 19568 Invalid, 4322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4301 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2022-02-15 11:27:21,766 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 30618 states.
[2022-02-15 11:27:22,049 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 30618 to 22399.
[2022-02-15 11:27:22,076 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22399 states, 22398 states have (on average 2.753236896151442) internal successors, (61667), 22398 states have internal predecessors, (61667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:22,123 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22399 states to 22399 states and 61667 transitions.
[2022-02-15 11:27:22,123 INFO  L78                 Accepts]: Start accepts. Automaton has 22399 states and 61667 transitions. Word has length 199
[2022-02-15 11:27:22,124 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:27:22,124 INFO  L470      AbstractCegarLoop]: Abstraction has 22399 states and 61667 transitions.
[2022-02-15 11:27:22,124 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:22,124 INFO  L276                IsEmpty]: Start isEmpty. Operand 22399 states and 61667 transitions.
[2022-02-15 11:27:22,152 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:27:22,152 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:27:22,152 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:27:22,152 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42
[2022-02-15 11:27:22,152 INFO  L402      AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:27:22,153 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:27:22,153 INFO  L85        PathProgramCache]: Analyzing trace with hash -502744609, now seen corresponding path program 20 times
[2022-02-15 11:27:22,153 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:27:22,153 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19602179]
[2022-02-15 11:27:22,153 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:27:22,153 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:27:22,162 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:27:22,479 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:27:22,479 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:27:22,479 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19602179]
[2022-02-15 11:27:22,479 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19602179] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:27:22,479 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:27:22,482 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:27:22,482 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884419169]
[2022-02-15 11:27:22,482 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:27:22,482 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:27:22,482 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:27:22,483 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:27:22,483 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:27:22,483 INFO  L87              Difference]: Start difference. First operand 22399 states and 61667 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:24,757 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:27:24,758 INFO  L93              Difference]: Finished difference Result 28088 states and 76925 transitions.
[2022-02-15 11:27:24,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-15 11:27:24,758 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:27:24,759 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:27:24,813 INFO  L225             Difference]: With dead ends: 28088
[2022-02-15 11:27:24,814 INFO  L226             Difference]: Without dead ends: 28088
[2022-02-15 11:27:24,814 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=533, Invalid=4023, Unknown=0, NotChecked=0, Total=4556
[2022-02-15 11:27:24,815 INFO  L933         BasicCegarLoop]: 823 mSDtfsCounter, 1395 mSDsluCounter, 17565 mSDsCounter, 0 mSdLazyCounter, 4046 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1395 SdHoareTripleChecker+Valid, 18236 SdHoareTripleChecker+Invalid, 4065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2022-02-15 11:27:24,815 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1395 Valid, 18236 Invalid, 4065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4046 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2022-02-15 11:27:24,865 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 28088 states.
[2022-02-15 11:27:25,191 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 28088 to 22351.
[2022-02-15 11:27:25,219 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:25,266 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions.
[2022-02-15 11:27:25,266 INFO  L78                 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199
[2022-02-15 11:27:25,266 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:27:25,266 INFO  L470      AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions.
[2022-02-15 11:27:25,266 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:25,266 INFO  L276                IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions.
[2022-02-15 11:27:25,296 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:27:25,296 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:27:25,296 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:27:25,296 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43
[2022-02-15 11:27:25,296 INFO  L402      AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:27:25,297 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:27:25,297 INFO  L85        PathProgramCache]: Analyzing trace with hash -409342909, now seen corresponding path program 21 times
[2022-02-15 11:27:25,297 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:27:25,297 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569587173]
[2022-02-15 11:27:25,297 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:27:25,297 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:27:25,307 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:27:25,589 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:27:25,589 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:27:25,589 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569587173]
[2022-02-15 11:27:25,589 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569587173] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:27:25,589 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:27:25,589 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:27:25,589 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420377521]
[2022-02-15 11:27:25,589 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:27:25,591 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:27:25,591 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:27:25,591 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:27:25,591 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:27:25,591 INFO  L87              Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:28,168 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:27:28,168 INFO  L93              Difference]: Finished difference Result 34870 states and 95105 transitions.
[2022-02-15 11:27:28,168 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2022-02-15 11:27:28,168 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:27:28,169 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:27:28,237 INFO  L225             Difference]: With dead ends: 34870
[2022-02-15 11:27:28,237 INFO  L226             Difference]: Without dead ends: 34870
[2022-02-15 11:27:28,238 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 937 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=604, Invalid=4652, Unknown=0, NotChecked=0, Total=5256
[2022-02-15 11:27:28,239 INFO  L933         BasicCegarLoop]: 900 mSDtfsCounter, 1727 mSDsluCounter, 19680 mSDsCounter, 0 mSdLazyCounter, 4624 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1727 SdHoareTripleChecker+Valid, 20308 SdHoareTripleChecker+Invalid, 4645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:27:28,241 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1727 Valid, 20308 Invalid, 4645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4624 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:27:28,297 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 34870 states.
[2022-02-15 11:27:28,732 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 34870 to 22479.
[2022-02-15 11:27:28,762 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22479 states, 22478 states have (on average 2.754826941898745) internal successors, (61923), 22478 states have internal predecessors, (61923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:28,812 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22479 states to 22479 states and 61923 transitions.
[2022-02-15 11:27:28,812 INFO  L78                 Accepts]: Start accepts. Automaton has 22479 states and 61923 transitions. Word has length 199
[2022-02-15 11:27:28,812 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:27:28,812 INFO  L470      AbstractCegarLoop]: Abstraction has 22479 states and 61923 transitions.
[2022-02-15 11:27:28,812 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:28,813 INFO  L276                IsEmpty]: Start isEmpty. Operand 22479 states and 61923 transitions.
[2022-02-15 11:27:28,840 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:27:28,840 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:27:28,841 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:27:28,841 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44
[2022-02-15 11:27:28,841 INFO  L402      AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:27:28,841 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:27:28,841 INFO  L85        PathProgramCache]: Analyzing trace with hash 1863826345, now seen corresponding path program 22 times
[2022-02-15 11:27:28,841 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:27:28,842 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985978460]
[2022-02-15 11:27:28,842 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:27:28,842 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:27:28,851 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:27:29,128 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:27:29,128 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:27:29,128 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985978460]
[2022-02-15 11:27:29,128 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985978460] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:27:29,128 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:27:29,128 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:27:29,128 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958408616]
[2022-02-15 11:27:29,129 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:27:29,129 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:27:29,129 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:27:29,129 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:27:29,129 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:27:29,129 INFO  L87              Difference]: Start difference. First operand 22479 states and 61923 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:31,720 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:27:31,720 INFO  L93              Difference]: Finished difference Result 34493 states and 94284 transitions.
[2022-02-15 11:27:31,721 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2022-02-15 11:27:31,721 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:27:31,721 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:27:31,785 INFO  L225             Difference]: With dead ends: 34493
[2022-02-15 11:27:31,785 INFO  L226             Difference]: Without dead ends: 34493
[2022-02-15 11:27:31,786 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1120 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=640, Invalid=5212, Unknown=0, NotChecked=0, Total=5852
[2022-02-15 11:27:31,787 INFO  L933         BasicCegarLoop]: 951 mSDtfsCounter, 1709 mSDsluCounter, 20631 mSDsCounter, 0 mSdLazyCounter, 4574 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1709 SdHoareTripleChecker+Valid, 21358 SdHoareTripleChecker+Invalid, 4595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2022-02-15 11:27:31,787 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1709 Valid, 21358 Invalid, 4595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4574 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2022-02-15 11:27:31,841 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 34493 states.
[2022-02-15 11:27:32,213 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 34493 to 22415.
[2022-02-15 11:27:32,242 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22415 states, 22414 states have (on average 2.7534130454180423) internal successors, (61715), 22414 states have internal predecessors, (61715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:32,288 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22415 states to 22415 states and 61715 transitions.
[2022-02-15 11:27:32,289 INFO  L78                 Accepts]: Start accepts. Automaton has 22415 states and 61715 transitions. Word has length 199
[2022-02-15 11:27:32,289 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:27:32,289 INFO  L470      AbstractCegarLoop]: Abstraction has 22415 states and 61715 transitions.
[2022-02-15 11:27:32,289 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:32,289 INFO  L276                IsEmpty]: Start isEmpty. Operand 22415 states and 61715 transitions.
[2022-02-15 11:27:32,318 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:27:32,318 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:27:32,318 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:27:32,318 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45
[2022-02-15 11:27:32,318 INFO  L402      AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:27:32,319 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:27:32,319 INFO  L85        PathProgramCache]: Analyzing trace with hash -2081687067, now seen corresponding path program 23 times
[2022-02-15 11:27:32,319 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:27:32,319 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528892847]
[2022-02-15 11:27:32,319 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:27:32,319 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:27:32,328 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:27:32,712 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:27:32,712 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:27:32,712 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528892847]
[2022-02-15 11:27:32,713 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528892847] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:27:32,713 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:27:32,713 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:27:32,713 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117363476]
[2022-02-15 11:27:32,713 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:27:32,713 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:27:32,713 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:27:32,713 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:27:32,713 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:27:32,714 INFO  L87              Difference]: Start difference. First operand 22415 states and 61715 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:35,111 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:27:35,112 INFO  L93              Difference]: Finished difference Result 31392 states and 85919 transitions.
[2022-02-15 11:27:35,112 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-15 11:27:35,112 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:27:35,112 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:27:35,172 INFO  L225             Difference]: With dead ends: 31392
[2022-02-15 11:27:35,172 INFO  L226             Difference]: Without dead ends: 31392
[2022-02-15 11:27:35,173 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 860 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=563, Invalid=4407, Unknown=0, NotChecked=0, Total=4970
[2022-02-15 11:27:35,173 INFO  L933         BasicCegarLoop]: 898 mSDtfsCounter, 1487 mSDsluCounter, 19328 mSDsCounter, 0 mSdLazyCounter, 4332 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1487 SdHoareTripleChecker+Valid, 20028 SdHoareTripleChecker+Invalid, 4351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2022-02-15 11:27:35,173 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1487 Valid, 20028 Invalid, 4351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4332 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2022-02-15 11:27:35,224 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 31392 states.
[2022-02-15 11:27:35,550 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 31392 to 22367.
[2022-02-15 11:27:35,578 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22367 states, 22366 states have (on average 2.7528838415452026) internal successors, (61571), 22366 states have internal predecessors, (61571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:35,624 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22367 states to 22367 states and 61571 transitions.
[2022-02-15 11:27:35,624 INFO  L78                 Accepts]: Start accepts. Automaton has 22367 states and 61571 transitions. Word has length 199
[2022-02-15 11:27:35,625 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:27:35,625 INFO  L470      AbstractCegarLoop]: Abstraction has 22367 states and 61571 transitions.
[2022-02-15 11:27:35,625 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:35,625 INFO  L276                IsEmpty]: Start isEmpty. Operand 22367 states and 61571 transitions.
[2022-02-15 11:27:35,654 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:27:35,654 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:27:35,654 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:27:35,654 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46
[2022-02-15 11:27:35,654 INFO  L402      AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:27:35,655 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:27:35,655 INFO  L85        PathProgramCache]: Analyzing trace with hash -1079315087, now seen corresponding path program 24 times
[2022-02-15 11:27:35,655 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:27:35,655 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753520165]
[2022-02-15 11:27:35,655 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:27:35,655 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:27:35,665 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:27:35,984 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:27:35,984 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:27:35,984 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753520165]
[2022-02-15 11:27:35,984 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753520165] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:27:35,984 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:27:35,984 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:27:35,984 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255075568]
[2022-02-15 11:27:35,984 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:27:35,985 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:27:35,985 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:27:35,985 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:27:35,985 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:27:35,985 INFO  L87              Difference]: Start difference. First operand 22367 states and 61571 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:38,343 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:27:38,343 INFO  L93              Difference]: Finished difference Result 32126 states and 87613 transitions.
[2022-02-15 11:27:38,344 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-15 11:27:38,344 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:27:38,344 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:27:38,403 INFO  L225             Difference]: With dead ends: 32126
[2022-02-15 11:27:38,403 INFO  L226             Difference]: Without dead ends: 32126
[2022-02-15 11:27:38,404 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 864 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=556, Invalid=4414, Unknown=0, NotChecked=0, Total=4970
[2022-02-15 11:27:38,404 INFO  L933         BasicCegarLoop]: 927 mSDtfsCounter, 1542 mSDsluCounter, 20077 mSDsCounter, 0 mSdLazyCounter, 4261 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1542 SdHoareTripleChecker+Valid, 20780 SdHoareTripleChecker+Invalid, 4280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2022-02-15 11:27:38,404 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1542 Valid, 20780 Invalid, 4280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4261 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2022-02-15 11:27:38,454 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 32126 states.
[2022-02-15 11:27:38,775 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 32126 to 22351.
[2022-02-15 11:27:38,805 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:38,850 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions.
[2022-02-15 11:27:38,851 INFO  L78                 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199
[2022-02-15 11:27:38,851 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:27:38,851 INFO  L470      AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions.
[2022-02-15 11:27:38,851 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:38,851 INFO  L276                IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions.
[2022-02-15 11:27:38,880 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:27:38,880 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:27:38,880 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:27:38,881 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47
[2022-02-15 11:27:38,881 INFO  L402      AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:27:38,881 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:27:38,881 INFO  L85        PathProgramCache]: Analyzing trace with hash -46187899, now seen corresponding path program 25 times
[2022-02-15 11:27:38,881 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:27:38,881 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557973713]
[2022-02-15 11:27:38,881 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:27:38,881 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:27:38,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:27:39,198 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:27:39,198 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:27:39,198 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557973713]
[2022-02-15 11:27:39,198 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557973713] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:27:39,198 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:27:39,198 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:27:39,199 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54281544]
[2022-02-15 11:27:39,199 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:27:39,199 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:27:39,199 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:27:39,199 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:27:39,199 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:27:39,200 INFO  L87              Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:42,108 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:27:42,108 INFO  L93              Difference]: Finished difference Result 39735 states and 108146 transitions.
[2022-02-15 11:27:42,109 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. 
[2022-02-15 11:27:42,109 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:27:42,109 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:27:42,184 INFO  L225             Difference]: With dead ends: 39735
[2022-02-15 11:27:42,184 INFO  L226             Difference]: Without dead ends: 39735
[2022-02-15 11:27:42,185 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1149 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=684, Invalid=5322, Unknown=0, NotChecked=0, Total=6006
[2022-02-15 11:27:42,185 INFO  L933         BasicCegarLoop]: 1006 mSDtfsCounter, 1973 mSDsluCounter, 22285 mSDsCounter, 0 mSdLazyCounter, 5160 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1973 SdHoareTripleChecker+Valid, 22927 SdHoareTripleChecker+Invalid, 5181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 5160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:27:42,186 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1973 Valid, 22927 Invalid, 5181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 5160 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:27:42,247 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 39735 states.
[2022-02-15 11:27:42,632 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 39735 to 22703.
[2022-02-15 11:27:42,660 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22703 states, 22702 states have (on average 2.757246057616069) internal successors, (62595), 22702 states have internal predecessors, (62595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:42,710 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22703 states to 22703 states and 62595 transitions.
[2022-02-15 11:27:42,710 INFO  L78                 Accepts]: Start accepts. Automaton has 22703 states and 62595 transitions. Word has length 199
[2022-02-15 11:27:42,711 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:27:42,711 INFO  L470      AbstractCegarLoop]: Abstraction has 22703 states and 62595 transitions.
[2022-02-15 11:27:42,711 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:42,711 INFO  L276                IsEmpty]: Start isEmpty. Operand 22703 states and 62595 transitions.
[2022-02-15 11:27:42,744 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:27:42,744 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:27:42,744 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:27:42,745 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48
[2022-02-15 11:27:42,745 INFO  L402      AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:27:42,745 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:27:42,745 INFO  L85        PathProgramCache]: Analyzing trace with hash -2067985941, now seen corresponding path program 26 times
[2022-02-15 11:27:42,745 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:27:42,745 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214836829]
[2022-02-15 11:27:42,745 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:27:42,745 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:27:42,755 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:27:43,042 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:27:43,044 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:27:43,044 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214836829]
[2022-02-15 11:27:43,044 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214836829] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:27:43,044 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:27:43,044 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:27:43,044 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341173910]
[2022-02-15 11:27:43,045 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:27:43,045 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:27:43,045 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:27:43,045 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:27:43,045 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:27:43,045 INFO  L87              Difference]: Start difference. First operand 22703 states and 62595 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:45,804 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:27:45,804 INFO  L93              Difference]: Finished difference Result 38036 states and 103866 transitions.
[2022-02-15 11:27:45,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2022-02-15 11:27:45,804 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:27:45,805 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:27:45,878 INFO  L225             Difference]: With dead ends: 38036
[2022-02-15 11:27:45,878 INFO  L226             Difference]: Without dead ends: 38036
[2022-02-15 11:27:45,879 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1265 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=683, Invalid=5637, Unknown=0, NotChecked=0, Total=6320
[2022-02-15 11:27:45,880 INFO  L933         BasicCegarLoop]: 1008 mSDtfsCounter, 1877 mSDsluCounter, 22141 mSDsCounter, 0 mSdLazyCounter, 4897 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 22872 SdHoareTripleChecker+Invalid, 4918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:27:45,880 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1877 Valid, 22872 Invalid, 4918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4897 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:27:45,941 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38036 states.
[2022-02-15 11:27:46,336 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38036 to 22639.
[2022-02-15 11:27:46,366 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22639 states, 22638 states have (on average 2.755852990546868) internal successors, (62387), 22638 states have internal predecessors, (62387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:46,418 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22639 states to 22639 states and 62387 transitions.
[2022-02-15 11:27:46,418 INFO  L78                 Accepts]: Start accepts. Automaton has 22639 states and 62387 transitions. Word has length 199
[2022-02-15 11:27:46,418 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:27:46,418 INFO  L470      AbstractCegarLoop]: Abstraction has 22639 states and 62387 transitions.
[2022-02-15 11:27:46,419 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:46,419 INFO  L276                IsEmpty]: Start isEmpty. Operand 22639 states and 62387 transitions.
[2022-02-15 11:27:46,451 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:27:46,451 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:27:46,451 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:27:46,451 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49
[2022-02-15 11:27:46,451 INFO  L402      AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:27:46,452 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:27:46,452 INFO  L85        PathProgramCache]: Analyzing trace with hash -144848571, now seen corresponding path program 27 times
[2022-02-15 11:27:46,452 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:27:46,452 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078494845]
[2022-02-15 11:27:46,452 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:27:46,452 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:27:46,461 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:27:46,745 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:27:46,746 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:27:46,746 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078494845]
[2022-02-15 11:27:46,746 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078494845] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:27:46,746 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:27:46,746 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:27:46,746 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628603840]
[2022-02-15 11:27:46,746 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:27:46,746 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:27:46,746 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:27:46,747 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:27:46,747 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:27:46,747 INFO  L87              Difference]: Start difference. First operand 22639 states and 62387 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:49,408 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:27:49,408 INFO  L93              Difference]: Finished difference Result 36907 states and 100963 transitions.
[2022-02-15 11:27:49,408 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2022-02-15 11:27:49,409 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:27:49,409 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:27:49,475 INFO  L225             Difference]: With dead ends: 36907
[2022-02-15 11:27:49,475 INFO  L226             Difference]: Without dead ends: 36907
[2022-02-15 11:27:49,476 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1030 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=612, Invalid=4938, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:27:49,477 INFO  L933         BasicCegarLoop]: 1005 mSDtfsCounter, 1675 mSDsluCounter, 21831 mSDsCounter, 0 mSdLazyCounter, 4834 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1675 SdHoareTripleChecker+Valid, 22570 SdHoareTripleChecker+Invalid, 4853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:27:49,477 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1675 Valid, 22570 Invalid, 4853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4834 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:27:49,535 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 36907 states.
[2022-02-15 11:27:49,999 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 36907 to 22591.
[2022-02-15 11:27:50,028 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22591 states, 22590 states have (on average 2.755334218680832) internal successors, (62243), 22590 states have internal predecessors, (62243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:50,081 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22591 states to 22591 states and 62243 transitions.
[2022-02-15 11:27:50,081 INFO  L78                 Accepts]: Start accepts. Automaton has 22591 states and 62243 transitions. Word has length 199
[2022-02-15 11:27:50,081 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:27:50,081 INFO  L470      AbstractCegarLoop]: Abstraction has 22591 states and 62243 transitions.
[2022-02-15 11:27:50,081 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:50,081 INFO  L276                IsEmpty]: Start isEmpty. Operand 22591 states and 62243 transitions.
[2022-02-15 11:27:50,112 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:27:50,113 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:27:50,113 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:27:50,113 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50
[2022-02-15 11:27:50,113 INFO  L402      AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:27:50,114 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:27:50,114 INFO  L85        PathProgramCache]: Analyzing trace with hash 1456438329, now seen corresponding path program 28 times
[2022-02-15 11:27:50,114 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:27:50,114 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422959683]
[2022-02-15 11:27:50,114 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:27:50,114 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:27:50,127 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:27:50,443 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:27:50,443 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:27:50,443 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422959683]
[2022-02-15 11:27:50,443 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422959683] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:27:50,443 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:27:50,443 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:27:50,444 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095863789]
[2022-02-15 11:27:50,444 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:27:50,444 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:27:50,444 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:27:50,445 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:27:50,445 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:27:50,445 INFO  L87              Difference]: Start difference. First operand 22591 states and 62243 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:53,066 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:27:53,067 INFO  L93              Difference]: Finished difference Result 38265 states and 104355 transitions.
[2022-02-15 11:27:53,067 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2022-02-15 11:27:53,067 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:27:53,067 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:27:53,141 INFO  L225             Difference]: With dead ends: 38265
[2022-02-15 11:27:53,141 INFO  L226             Difference]: Without dead ends: 38265
[2022-02-15 11:27:53,142 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=608, Invalid=4942, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:27:53,142 INFO  L933         BasicCegarLoop]: 1018 mSDtfsCounter, 1731 mSDsluCounter, 22149 mSDsCounter, 0 mSdLazyCounter, 4751 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1731 SdHoareTripleChecker+Valid, 22898 SdHoareTripleChecker+Invalid, 4770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:27:53,143 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1731 Valid, 22898 Invalid, 4770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4751 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:27:53,204 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38265 states.
[2022-02-15 11:27:53,558 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38265 to 22575.
[2022-02-15 11:27:53,586 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22575 states, 22574 states have (on average 2.755160804465314) internal successors, (62195), 22574 states have internal predecessors, (62195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:53,631 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22575 states to 22575 states and 62195 transitions.
[2022-02-15 11:27:53,631 INFO  L78                 Accepts]: Start accepts. Automaton has 22575 states and 62195 transitions. Word has length 199
[2022-02-15 11:27:53,631 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:27:53,631 INFO  L470      AbstractCegarLoop]: Abstraction has 22575 states and 62195 transitions.
[2022-02-15 11:27:53,631 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:53,631 INFO  L276                IsEmpty]: Start isEmpty. Operand 22575 states and 62195 transitions.
[2022-02-15 11:27:53,660 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:27:53,660 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:27:53,660 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:27:53,660 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51
[2022-02-15 11:27:53,660 INFO  L402      AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:27:53,661 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:27:53,661 INFO  L85        PathProgramCache]: Analyzing trace with hash 855207011, now seen corresponding path program 29 times
[2022-02-15 11:27:53,661 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:27:53,661 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128793122]
[2022-02-15 11:27:53,661 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:27:53,661 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:27:53,672 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:27:53,955 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:27:53,955 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:27:53,955 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128793122]
[2022-02-15 11:27:53,955 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128793122] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:27:53,955 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:27:53,955 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:27:53,955 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842858083]
[2022-02-15 11:27:53,955 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:27:53,956 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:27:53,956 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:27:53,956 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:27:53,956 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:27:53,956 INFO  L87              Difference]: Start difference. First operand 22575 states and 62195 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:56,563 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:27:56,563 INFO  L93              Difference]: Finished difference Result 39508 states and 107527 transitions.
[2022-02-15 11:27:56,563 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2022-02-15 11:27:56,564 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:27:56,564 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:27:56,641 INFO  L225             Difference]: With dead ends: 39508
[2022-02-15 11:27:56,641 INFO  L226             Difference]: Without dead ends: 39508
[2022-02-15 11:27:56,642 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=601, Invalid=4949, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:27:56,643 INFO  L933         BasicCegarLoop]: 1055 mSDtfsCounter, 1701 mSDsluCounter, 22975 mSDsCounter, 0 mSdLazyCounter, 4742 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 23740 SdHoareTripleChecker+Invalid, 4761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:27:56,643 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1701 Valid, 23740 Invalid, 4761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4742 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:27:56,708 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 39508 states.
[2022-02-15 11:27:57,075 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 39508 to 22367.
[2022-02-15 11:27:57,104 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22367 states, 22366 states have (on average 2.7528838415452026) internal successors, (61571), 22366 states have internal predecessors, (61571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:57,148 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22367 states to 22367 states and 61571 transitions.
[2022-02-15 11:27:57,149 INFO  L78                 Accepts]: Start accepts. Automaton has 22367 states and 61571 transitions. Word has length 199
[2022-02-15 11:27:57,149 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:27:57,149 INFO  L470      AbstractCegarLoop]: Abstraction has 22367 states and 61571 transitions.
[2022-02-15 11:27:57,149 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:57,149 INFO  L276                IsEmpty]: Start isEmpty. Operand 22367 states and 61571 transitions.
[2022-02-15 11:27:57,177 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:27:57,177 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:27:57,177 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:27:57,177 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52
[2022-02-15 11:27:57,177 INFO  L402      AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:27:57,178 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:27:57,178 INFO  L85        PathProgramCache]: Analyzing trace with hash -1509746783, now seen corresponding path program 30 times
[2022-02-15 11:27:57,178 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:27:57,178 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601376765]
[2022-02-15 11:27:57,178 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:27:57,178 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:27:57,189 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:27:57,467 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:27:57,467 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:27:57,467 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601376765]
[2022-02-15 11:27:57,467 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601376765] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:27:57,467 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:27:57,467 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:27:57,467 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833140740]
[2022-02-15 11:27:57,467 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:27:57,468 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:27:57,468 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:27:57,468 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:27:57,468 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:27:57,468 INFO  L87              Difference]: Start difference. First operand 22367 states and 61571 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:27:59,977 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:27:59,978 INFO  L93              Difference]: Finished difference Result 35077 states and 95419 transitions.
[2022-02-15 11:27:59,978 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2022-02-15 11:27:59,978 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:27:59,978 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:28:00,042 INFO  L225             Difference]: With dead ends: 35077
[2022-02-15 11:28:00,042 INFO  L226             Difference]: Without dead ends: 35077
[2022-02-15 11:28:00,043 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 908 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=561, Invalid=4551, Unknown=0, NotChecked=0, Total=5112
[2022-02-15 11:28:00,043 INFO  L933         BasicCegarLoop]: 1011 mSDtfsCounter, 1658 mSDsluCounter, 22019 mSDsCounter, 0 mSdLazyCounter, 4458 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1658 SdHoareTripleChecker+Valid, 22741 SdHoareTripleChecker+Invalid, 4477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2022-02-15 11:28:00,043 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1658 Valid, 22741 Invalid, 4477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4458 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2022-02-15 11:28:00,097 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 35077 states.
[2022-02-15 11:28:00,425 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 35077 to 22351.
[2022-02-15 11:28:00,452 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:00,496 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions.
[2022-02-15 11:28:00,496 INFO  L78                 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199
[2022-02-15 11:28:00,497 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:28:00,497 INFO  L470      AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions.
[2022-02-15 11:28:00,497 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:00,497 INFO  L276                IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions.
[2022-02-15 11:28:00,525 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:28:00,525 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:28:00,525 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:28:00,525 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53
[2022-02-15 11:28:00,526 INFO  L402      AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:28:00,526 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:28:00,526 INFO  L85        PathProgramCache]: Analyzing trace with hash -1890066857, now seen corresponding path program 31 times
[2022-02-15 11:28:00,526 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:28:00,526 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223335148]
[2022-02-15 11:28:00,526 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:28:00,526 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:28:00,535 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:28:00,818 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:28:00,818 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:28:00,818 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223335148]
[2022-02-15 11:28:00,818 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223335148] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:28:00,819 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:28:00,819 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:28:00,819 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730245828]
[2022-02-15 11:28:00,819 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:28:00,819 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:28:00,819 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:28:00,819 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:28:00,820 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:28:00,820 INFO  L87              Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:03,754 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:28:03,755 INFO  L93              Difference]: Finished difference Result 40282 states and 109626 transitions.
[2022-02-15 11:28:03,755 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2022-02-15 11:28:03,755 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:28:03,755 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:28:03,834 INFO  L225             Difference]: With dead ends: 40282
[2022-02-15 11:28:03,834 INFO  L226             Difference]: Without dead ends: 40282
[2022-02-15 11:28:03,835 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1235 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=728, Invalid=5592, Unknown=0, NotChecked=0, Total=6320
[2022-02-15 11:28:03,835 INFO  L933         BasicCegarLoop]: 1049 mSDtfsCounter, 2101 mSDsluCounter, 23294 mSDsCounter, 0 mSdLazyCounter, 5103 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2101 SdHoareTripleChecker+Valid, 23936 SdHoareTripleChecker+Invalid, 5124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 5103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:28:03,835 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2101 Valid, 23936 Invalid, 5124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 5103 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:28:03,902 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40282 states.
[2022-02-15 11:28:04,308 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40282 to 22751.
[2022-02-15 11:28:04,337 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22751 states, 22750 states have (on average 2.757758241758242) internal successors, (62739), 22750 states have internal predecessors, (62739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:04,386 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22751 states to 22751 states and 62739 transitions.
[2022-02-15 11:28:04,386 INFO  L78                 Accepts]: Start accepts. Automaton has 22751 states and 62739 transitions. Word has length 199
[2022-02-15 11:28:04,387 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:28:04,387 INFO  L470      AbstractCegarLoop]: Abstraction has 22751 states and 62739 transitions.
[2022-02-15 11:28:04,387 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:04,387 INFO  L276                IsEmpty]: Start isEmpty. Operand 22751 states and 62739 transitions.
[2022-02-15 11:28:04,417 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:28:04,418 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:28:04,418 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:28:04,418 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54
[2022-02-15 11:28:04,418 INFO  L402      AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:28:04,418 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:28:04,418 INFO  L85        PathProgramCache]: Analyzing trace with hash 383102397, now seen corresponding path program 32 times
[2022-02-15 11:28:04,418 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:28:04,418 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309105308]
[2022-02-15 11:28:04,419 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:28:04,419 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:28:04,427 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:28:04,707 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:28:04,707 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:28:04,707 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309105308]
[2022-02-15 11:28:04,707 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309105308] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:28:04,707 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:28:04,707 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:28:04,707 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938629733]
[2022-02-15 11:28:04,707 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:28:04,708 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:28:04,708 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:28:04,708 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:28:04,708 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:28:04,708 INFO  L87              Difference]: Start difference. First operand 22751 states and 62739 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:07,535 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:28:07,535 INFO  L93              Difference]: Finished difference Result 38395 states and 104854 transitions.
[2022-02-15 11:28:07,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-15 11:28:07,535 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:28:07,536 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:28:07,612 INFO  L225             Difference]: With dead ends: 38395
[2022-02-15 11:28:07,612 INFO  L226             Difference]: Without dead ends: 38395
[2022-02-15 11:28:07,613 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1314 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=704, Invalid=5776, Unknown=0, NotChecked=0, Total=6480
[2022-02-15 11:28:07,613 INFO  L933         BasicCegarLoop]: 1032 mSDtfsCounter, 1966 mSDsluCounter, 22763 mSDsCounter, 0 mSdLazyCounter, 4839 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1966 SdHoareTripleChecker+Valid, 23493 SdHoareTripleChecker+Invalid, 4860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:28:07,614 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1966 Valid, 23493 Invalid, 4860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4839 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:28:07,677 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38395 states.
[2022-02-15 11:28:08,064 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38395 to 22687.
[2022-02-15 11:28:08,093 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22687 states, 22686 states have (on average 2.7563695671339152) internal successors, (62531), 22686 states have internal predecessors, (62531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:08,145 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22687 states to 22687 states and 62531 transitions.
[2022-02-15 11:28:08,145 INFO  L78                 Accepts]: Start accepts. Automaton has 22687 states and 62531 transitions. Word has length 199
[2022-02-15 11:28:08,145 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:28:08,145 INFO  L470      AbstractCegarLoop]: Abstraction has 22687 states and 62531 transitions.
[2022-02-15 11:28:08,145 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:08,146 INFO  L276                IsEmpty]: Start isEmpty. Operand 22687 states and 62531 transitions.
[2022-02-15 11:28:08,176 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:28:08,176 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:28:08,176 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:28:08,177 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55
[2022-02-15 11:28:08,177 INFO  L402      AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:28:08,177 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:28:08,177 INFO  L85        PathProgramCache]: Analyzing trace with hash -1988727529, now seen corresponding path program 33 times
[2022-02-15 11:28:08,177 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:28:08,177 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323678416]
[2022-02-15 11:28:08,177 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:28:08,177 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:28:08,187 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:28:08,463 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:28:08,463 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:28:08,463 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323678416]
[2022-02-15 11:28:08,463 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323678416] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:28:08,463 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:28:08,463 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:28:08,464 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158654070]
[2022-02-15 11:28:08,464 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:28:08,464 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:28:08,464 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:28:08,464 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:28:08,464 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:28:08,465 INFO  L87              Difference]: Start difference. First operand 22687 states and 62531 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:11,140 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:28:11,140 INFO  L93              Difference]: Finished difference Result 37266 states and 101951 transitions.
[2022-02-15 11:28:11,141 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:28:11,141 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:28:11,141 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:28:11,217 INFO  L225             Difference]: With dead ends: 37266
[2022-02-15 11:28:11,217 INFO  L226             Difference]: Without dead ends: 37266
[2022-02-15 11:28:11,218 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1075 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=629, Invalid=5071, Unknown=0, NotChecked=0, Total=5700
[2022-02-15 11:28:11,218 INFO  L933         BasicCegarLoop]: 1029 mSDtfsCounter, 1764 mSDsluCounter, 22363 mSDsCounter, 0 mSdLazyCounter, 4775 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 23105 SdHoareTripleChecker+Invalid, 4794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:28:11,219 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1764 Valid, 23105 Invalid, 4794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4775 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:28:11,284 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37266 states.
[2022-02-15 11:28:11,743 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37266 to 22639.
[2022-02-15 11:28:11,771 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22639 states, 22638 states have (on average 2.755852990546868) internal successors, (62387), 22638 states have internal predecessors, (62387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:11,819 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22639 states to 22639 states and 62387 transitions.
[2022-02-15 11:28:11,819 INFO  L78                 Accepts]: Start accepts. Automaton has 22639 states and 62387 transitions. Word has length 199
[2022-02-15 11:28:11,819 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:28:11,819 INFO  L470      AbstractCegarLoop]: Abstraction has 22639 states and 62387 transitions.
[2022-02-15 11:28:11,819 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:11,819 INFO  L276                IsEmpty]: Start isEmpty. Operand 22639 states and 62387 transitions.
[2022-02-15 11:28:11,850 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:28:11,850 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:28:11,850 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:28:11,850 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56
[2022-02-15 11:28:11,851 INFO  L402      AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:28:11,851 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:28:11,851 INFO  L85        PathProgramCache]: Analyzing trace with hash -387440629, now seen corresponding path program 34 times
[2022-02-15 11:28:11,851 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:28:11,852 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051980262]
[2022-02-15 11:28:11,852 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:28:11,852 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:28:11,861 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:28:12,136 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:28:12,137 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:28:12,137 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051980262]
[2022-02-15 11:28:12,137 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051980262] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:28:12,137 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:28:12,137 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:28:12,137 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779134504]
[2022-02-15 11:28:12,137 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:28:12,137 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:28:12,138 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:28:12,138 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:28:12,138 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:28:12,138 INFO  L87              Difference]: Start difference. First operand 22639 states and 62387 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:14,780 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:28:14,781 INFO  L93              Difference]: Finished difference Result 38624 states and 105343 transitions.
[2022-02-15 11:28:14,781 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:28:14,781 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:28:14,781 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:28:14,857 INFO  L225             Difference]: With dead ends: 38624
[2022-02-15 11:28:14,857 INFO  L226             Difference]: Without dead ends: 38624
[2022-02-15 11:28:14,858 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1076 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=626, Invalid=5074, Unknown=0, NotChecked=0, Total=5700
[2022-02-15 11:28:14,859 INFO  L933         BasicCegarLoop]: 1042 mSDtfsCounter, 1820 mSDsluCounter, 22664 mSDsCounter, 0 mSdLazyCounter, 4699 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1820 SdHoareTripleChecker+Valid, 23416 SdHoareTripleChecker+Invalid, 4718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:28:14,859 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1820 Valid, 23416 Invalid, 4718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4699 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:28:14,922 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38624 states.
[2022-02-15 11:28:15,302 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38624 to 22623.
[2022-02-15 11:28:15,330 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22623 states, 22622 states have (on average 2.7556803112014854) internal successors, (62339), 22622 states have internal predecessors, (62339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:15,377 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22623 states to 22623 states and 62339 transitions.
[2022-02-15 11:28:15,377 INFO  L78                 Accepts]: Start accepts. Automaton has 22623 states and 62339 transitions. Word has length 199
[2022-02-15 11:28:15,377 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:28:15,377 INFO  L470      AbstractCegarLoop]: Abstraction has 22623 states and 62339 transitions.
[2022-02-15 11:28:15,377 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:15,377 INFO  L276                IsEmpty]: Start isEmpty. Operand 22623 states and 62339 transitions.
[2022-02-15 11:28:15,406 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:28:15,406 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:28:15,407 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:28:15,407 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57
[2022-02-15 11:28:15,407 INFO  L402      AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:28:15,407 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:28:15,407 INFO  L85        PathProgramCache]: Analyzing trace with hash -988671947, now seen corresponding path program 35 times
[2022-02-15 11:28:15,407 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:28:15,407 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057469213]
[2022-02-15 11:28:15,407 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:28:15,408 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:28:15,416 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:28:15,699 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:28:15,699 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:28:15,700 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057469213]
[2022-02-15 11:28:15,700 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057469213] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:28:15,700 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:28:15,700 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:28:15,700 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013270415]
[2022-02-15 11:28:15,700 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:28:15,700 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:28:15,700 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:28:15,700 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:28:15,701 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:28:15,701 INFO  L87              Difference]: Start difference. First operand 22623 states and 62339 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:18,347 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:28:18,347 INFO  L93              Difference]: Finished difference Result 39867 states and 108515 transitions.
[2022-02-15 11:28:18,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:28:18,348 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:28:18,348 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:28:18,421 INFO  L225             Difference]: With dead ends: 39867
[2022-02-15 11:28:18,421 INFO  L226             Difference]: Without dead ends: 39867
[2022-02-15 11:28:18,422 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1077 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=620, Invalid=5080, Unknown=0, NotChecked=0, Total=5700
[2022-02-15 11:28:18,422 INFO  L933         BasicCegarLoop]: 1079 mSDtfsCounter, 1790 mSDsluCounter, 23447 mSDsCounter, 0 mSdLazyCounter, 4696 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1790 SdHoareTripleChecker+Valid, 24216 SdHoareTripleChecker+Invalid, 4715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:28:18,422 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1790 Valid, 24216 Invalid, 4715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4696 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:28:18,486 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 39867 states.
[2022-02-15 11:28:18,887 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 39867 to 22415.
[2022-02-15 11:28:18,914 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22415 states, 22414 states have (on average 2.7534130454180423) internal successors, (61715), 22414 states have internal predecessors, (61715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:18,960 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22415 states to 22415 states and 61715 transitions.
[2022-02-15 11:28:18,960 INFO  L78                 Accepts]: Start accepts. Automaton has 22415 states and 61715 transitions. Word has length 199
[2022-02-15 11:28:18,961 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:28:18,961 INFO  L470      AbstractCegarLoop]: Abstraction has 22415 states and 61715 transitions.
[2022-02-15 11:28:18,961 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:18,961 INFO  L276                IsEmpty]: Start isEmpty. Operand 22415 states and 61715 transitions.
[2022-02-15 11:28:18,990 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:28:18,990 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:28:18,990 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:28:18,991 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58
[2022-02-15 11:28:18,991 INFO  L402      AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:28:18,991 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:28:18,991 INFO  L85        PathProgramCache]: Analyzing trace with hash 941341555, now seen corresponding path program 36 times
[2022-02-15 11:28:18,991 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:28:18,991 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431941815]
[2022-02-15 11:28:18,991 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:28:18,991 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:28:19,000 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:28:19,289 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:28:19,289 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:28:19,289 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431941815]
[2022-02-15 11:28:19,289 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431941815] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:28:19,289 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:28:19,289 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:28:19,289 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53914865]
[2022-02-15 11:28:19,290 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:28:19,290 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:28:19,290 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:28:19,290 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:28:19,290 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:28:19,290 INFO  L87              Difference]: Start difference. First operand 22415 states and 61715 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:21,928 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:28:21,929 INFO  L93              Difference]: Finished difference Result 40525 states and 110237 transitions.
[2022-02-15 11:28:21,929 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2022-02-15 11:28:21,929 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:28:21,929 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:28:22,012 INFO  L225             Difference]: With dead ends: 40525
[2022-02-15 11:28:22,012 INFO  L226             Difference]: Without dead ends: 40525
[2022-02-15 11:28:22,013 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=601, Invalid=4949, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:28:22,013 INFO  L933         BasicCegarLoop]: 1083 mSDtfsCounter, 1769 mSDsluCounter, 23619 mSDsCounter, 0 mSdLazyCounter, 4696 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1769 SdHoareTripleChecker+Valid, 24391 SdHoareTripleChecker+Invalid, 4715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:28:22,014 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1769 Valid, 24391 Invalid, 4715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4696 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:28:22,080 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40525 states.
[2022-02-15 11:28:22,543 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40525 to 22399.
[2022-02-15 11:28:22,571 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22399 states, 22398 states have (on average 2.753236896151442) internal successors, (61667), 22398 states have internal predecessors, (61667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:22,617 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22399 states to 22399 states and 61667 transitions.
[2022-02-15 11:28:22,617 INFO  L78                 Accepts]: Start accepts. Automaton has 22399 states and 61667 transitions. Word has length 199
[2022-02-15 11:28:22,617 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:28:22,617 INFO  L470      AbstractCegarLoop]: Abstraction has 22399 states and 61667 transitions.
[2022-02-15 11:28:22,617 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:22,617 INFO  L276                IsEmpty]: Start isEmpty. Operand 22399 states and 61667 transitions.
[2022-02-15 11:28:22,646 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:28:22,646 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:28:22,646 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:28:22,646 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59
[2022-02-15 11:28:22,646 INFO  L402      AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:28:22,647 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:28:22,647 INFO  L85        PathProgramCache]: Analyzing trace with hash -707584439, now seen corresponding path program 37 times
[2022-02-15 11:28:22,647 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:28:22,647 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049686407]
[2022-02-15 11:28:22,647 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:28:22,647 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:28:22,656 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:28:22,929 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:28:22,929 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:28:22,929 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049686407]
[2022-02-15 11:28:22,929 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049686407] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:28:22,929 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:28:22,929 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:28:22,929 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009147609]
[2022-02-15 11:28:22,929 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:28:22,930 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:28:22,930 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:28:22,930 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:28:22,930 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:28:22,930 INFO  L87              Difference]: Start difference. First operand 22399 states and 61667 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:25,302 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:28:25,302 INFO  L93              Difference]: Finished difference Result 35490 states and 96535 transitions.
[2022-02-15 11:28:25,302 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2022-02-15 11:28:25,303 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:28:25,303 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:28:25,370 INFO  L225             Difference]: With dead ends: 35490
[2022-02-15 11:28:25,370 INFO  L226             Difference]: Without dead ends: 35490
[2022-02-15 11:28:25,371 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 906 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=565, Invalid=4547, Unknown=0, NotChecked=0, Total=5112
[2022-02-15 11:28:25,371 INFO  L933         BasicCegarLoop]: 1034 mSDtfsCounter, 1693 mSDsluCounter, 22562 mSDsCounter, 0 mSdLazyCounter, 4250 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1693 SdHoareTripleChecker+Valid, 23287 SdHoareTripleChecker+Invalid, 4269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2022-02-15 11:28:25,371 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1693 Valid, 23287 Invalid, 4269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4250 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2022-02-15 11:28:25,428 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 35490 states.
[2022-02-15 11:28:25,783 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 35490 to 22351.
[2022-02-15 11:28:25,811 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:25,859 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions.
[2022-02-15 11:28:25,859 INFO  L78                 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199
[2022-02-15 11:28:25,859 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:28:25,859 INFO  L470      AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions.
[2022-02-15 11:28:25,859 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:25,860 INFO  L276                IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions.
[2022-02-15 11:28:25,892 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:28:25,892 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:28:25,893 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:28:25,893 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60
[2022-02-15 11:28:25,893 INFO  L402      AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:28:25,893 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:28:25,893 INFO  L85        PathProgramCache]: Analyzing trace with hash 1198885449, now seen corresponding path program 38 times
[2022-02-15 11:28:25,893 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:28:25,893 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077929972]
[2022-02-15 11:28:25,894 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:28:25,894 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:28:25,904 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:28:26,214 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:28:26,214 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:28:26,214 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077929972]
[2022-02-15 11:28:26,214 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077929972] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:28:26,214 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:28:26,214 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:28:26,214 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768168142]
[2022-02-15 11:28:26,214 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:28:26,215 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:28:26,215 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:28:26,215 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:28:26,215 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:28:26,215 INFO  L87              Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:29,258 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:28:29,258 INFO  L93              Difference]: Finished difference Result 41047 states and 111676 transitions.
[2022-02-15 11:28:29,258 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. 
[2022-02-15 11:28:29,258 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:28:29,258 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:28:29,332 INFO  L225             Difference]: With dead ends: 41047
[2022-02-15 11:28:29,332 INFO  L226             Difference]: Without dead ends: 41047
[2022-02-15 11:28:29,333 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1473 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=824, Invalid=6316, Unknown=0, NotChecked=0, Total=7140
[2022-02-15 11:28:29,333 INFO  L933         BasicCegarLoop]: 1093 mSDtfsCounter, 2260 mSDsluCounter, 24260 mSDsCounter, 0 mSdLazyCounter, 5137 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2260 SdHoareTripleChecker+Valid, 24905 SdHoareTripleChecker+Invalid, 5158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 5137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:28:29,334 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2260 Valid, 24905 Invalid, 5158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 5137 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:28:29,396 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41047 states.
[2022-02-15 11:28:29,782 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41047 to 22799.
[2022-02-15 11:28:29,810 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22799 states, 22798 states have (on average 2.7582682691464164) internal successors, (62883), 22798 states have internal predecessors, (62883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:29,855 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22799 states to 22799 states and 62883 transitions.
[2022-02-15 11:28:29,856 INFO  L78                 Accepts]: Start accepts. Automaton has 22799 states and 62883 transitions. Word has length 199
[2022-02-15 11:28:29,856 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:28:29,856 INFO  L470      AbstractCegarLoop]: Abstraction has 22799 states and 62883 transitions.
[2022-02-15 11:28:29,856 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:29,856 INFO  L276                IsEmpty]: Start isEmpty. Operand 22799 states and 62883 transitions.
[2022-02-15 11:28:29,884 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:28:29,885 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:28:29,885 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:28:29,885 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61
[2022-02-15 11:28:29,885 INFO  L402      AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:28:29,885 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:28:29,885 INFO  L85        PathProgramCache]: Analyzing trace with hash -822912593, now seen corresponding path program 39 times
[2022-02-15 11:28:29,885 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:28:29,885 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487737116]
[2022-02-15 11:28:29,886 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:28:29,886 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:28:29,897 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:28:30,173 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:28:30,173 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:28:30,173 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487737116]
[2022-02-15 11:28:30,173 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487737116] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:28:30,173 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:28:30,173 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:28:30,173 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317841793]
[2022-02-15 11:28:30,173 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:28:30,174 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:28:30,174 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:28:30,174 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:28:30,174 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:28:30,174 INFO  L87              Difference]: Start difference. First operand 22799 states and 62883 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:33,069 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:28:33,069 INFO  L93              Difference]: Finished difference Result 38878 states and 106166 transitions.
[2022-02-15 11:28:33,069 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-15 11:28:33,069 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:28:33,070 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:28:33,145 INFO  L225             Difference]: With dead ends: 38878
[2022-02-15 11:28:33,145 INFO  L226             Difference]: Without dead ends: 38878
[2022-02-15 11:28:33,146 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1463 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=758, Invalid=6214, Unknown=0, NotChecked=0, Total=6972
[2022-02-15 11:28:33,146 INFO  L933         BasicCegarLoop]: 1056 mSDtfsCounter, 2085 mSDsluCounter, 23345 mSDsCounter, 0 mSdLazyCounter, 4841 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2085 SdHoareTripleChecker+Valid, 24075 SdHoareTripleChecker+Invalid, 4862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:28:33,146 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2085 Valid, 24075 Invalid, 4862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4841 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:28:33,211 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38878 states.
[2022-02-15 11:28:33,668 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38878 to 22735.
[2022-02-15 11:28:33,696 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22735 states, 22734 states have (on average 2.7568839623471453) internal successors, (62675), 22734 states have internal predecessors, (62675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:33,744 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22735 states to 22735 states and 62675 transitions.
[2022-02-15 11:28:33,744 INFO  L78                 Accepts]: Start accepts. Automaton has 22735 states and 62675 transitions. Word has length 199
[2022-02-15 11:28:33,744 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:28:33,744 INFO  L470      AbstractCegarLoop]: Abstraction has 22735 states and 62675 transitions.
[2022-02-15 11:28:33,744 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:33,744 INFO  L276                IsEmpty]: Start isEmpty. Operand 22735 states and 62675 transitions.
[2022-02-15 11:28:33,774 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:28:33,775 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:28:33,775 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:28:33,775 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62
[2022-02-15 11:28:33,775 INFO  L402      AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:28:33,776 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:28:33,776 INFO  L85        PathProgramCache]: Analyzing trace with hash 1100224777, now seen corresponding path program 40 times
[2022-02-15 11:28:33,776 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:28:33,776 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900850608]
[2022-02-15 11:28:33,776 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:28:33,776 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:28:33,784 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:28:34,059 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:28:34,060 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:28:34,060 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900850608]
[2022-02-15 11:28:34,060 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900850608] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:28:34,060 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:28:34,060 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:28:34,060 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117050963]
[2022-02-15 11:28:34,060 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:28:34,060 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:28:34,061 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:28:34,061 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:28:34,061 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:28:34,061 INFO  L87              Difference]: Start difference. First operand 22735 states and 62675 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:36,805 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:28:36,805 INFO  L93              Difference]: Finished difference Result 37749 states and 103263 transitions.
[2022-02-15 11:28:36,805 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-15 11:28:36,805 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:28:36,806 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:28:36,880 INFO  L225             Difference]: With dead ends: 37749
[2022-02-15 11:28:36,881 INFO  L226             Difference]: Without dead ends: 37749
[2022-02-15 11:28:36,882 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1210 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=679, Invalid=5483, Unknown=0, NotChecked=0, Total=6162
[2022-02-15 11:28:36,882 INFO  L933         BasicCegarLoop]: 1053 mSDtfsCounter, 1883 mSDsluCounter, 22855 mSDsCounter, 0 mSdLazyCounter, 4776 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1883 SdHoareTripleChecker+Valid, 23601 SdHoareTripleChecker+Invalid, 4795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:28:36,882 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1883 Valid, 23601 Invalid, 4795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4776 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:28:36,943 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37749 states.
[2022-02-15 11:28:37,302 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37749 to 22687.
[2022-02-15 11:28:37,330 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22687 states, 22686 states have (on average 2.7563695671339152) internal successors, (62531), 22686 states have internal predecessors, (62531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:37,375 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22687 states to 22687 states and 62531 transitions.
[2022-02-15 11:28:37,375 INFO  L78                 Accepts]: Start accepts. Automaton has 22687 states and 62531 transitions. Word has length 199
[2022-02-15 11:28:37,375 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:28:37,375 INFO  L470      AbstractCegarLoop]: Abstraction has 22687 states and 62531 transitions.
[2022-02-15 11:28:37,376 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:37,376 INFO  L276                IsEmpty]: Start isEmpty. Operand 22687 states and 62531 transitions.
[2022-02-15 11:28:37,404 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:28:37,404 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:28:37,405 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:28:37,405 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63
[2022-02-15 11:28:37,405 INFO  L402      AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:28:37,405 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:28:37,405 INFO  L85        PathProgramCache]: Analyzing trace with hash -1593455619, now seen corresponding path program 41 times
[2022-02-15 11:28:37,405 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:28:37,405 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255614932]
[2022-02-15 11:28:37,405 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:28:37,405 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:28:37,414 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:28:37,694 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:28:37,694 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:28:37,694 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255614932]
[2022-02-15 11:28:37,694 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255614932] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:28:37,694 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:28:37,694 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:28:37,694 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275356429]
[2022-02-15 11:28:37,694 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:28:37,695 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:28:37,695 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:28:37,695 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:28:37,695 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:28:37,695 INFO  L87              Difference]: Start difference. First operand 22687 states and 62531 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:40,389 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:28:40,390 INFO  L93              Difference]: Finished difference Result 39107 states and 106655 transitions.
[2022-02-15 11:28:40,390 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-15 11:28:40,390 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:28:40,390 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:28:40,467 INFO  L225             Difference]: With dead ends: 39107
[2022-02-15 11:28:40,467 INFO  L226             Difference]: Without dead ends: 39107
[2022-02-15 11:28:40,468 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1210 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=677, Invalid=5485, Unknown=0, NotChecked=0, Total=6162
[2022-02-15 11:28:40,468 INFO  L933         BasicCegarLoop]: 1066 mSDtfsCounter, 1939 mSDsluCounter, 23141 mSDsCounter, 0 mSdLazyCounter, 4705 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1939 SdHoareTripleChecker+Valid, 23897 SdHoareTripleChecker+Invalid, 4724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:28:40,468 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1939 Valid, 23897 Invalid, 4724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4705 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:28:40,536 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 39107 states.
[2022-02-15 11:28:40,939 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 39107 to 22671.
[2022-02-15 11:28:40,966 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22671 states, 22670 states have (on average 2.7561976179973535) internal successors, (62483), 22670 states have internal predecessors, (62483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:41,011 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22671 states to 22671 states and 62483 transitions.
[2022-02-15 11:28:41,011 INFO  L78                 Accepts]: Start accepts. Automaton has 22671 states and 62483 transitions. Word has length 199
[2022-02-15 11:28:41,011 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:28:41,011 INFO  L470      AbstractCegarLoop]: Abstraction has 22671 states and 62483 transitions.
[2022-02-15 11:28:41,012 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:41,012 INFO  L276                IsEmpty]: Start isEmpty. Operand 22671 states and 62483 transitions.
[2022-02-15 11:28:41,040 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:28:41,040 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:28:41,040 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:28:41,040 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64
[2022-02-15 11:28:41,040 INFO  L402      AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:28:41,040 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:28:41,041 INFO  L85        PathProgramCache]: Analyzing trace with hash 2100280359, now seen corresponding path program 42 times
[2022-02-15 11:28:41,041 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:28:41,041 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093255322]
[2022-02-15 11:28:41,041 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:28:41,041 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:28:41,061 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:28:41,342 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:28:41,342 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:28:41,342 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093255322]
[2022-02-15 11:28:41,342 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093255322] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:28:41,343 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:28:41,343 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:28:41,343 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063930394]
[2022-02-15 11:28:41,343 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:28:41,343 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:28:41,343 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:28:41,343 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:28:41,343 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:28:41,344 INFO  L87              Difference]: Start difference. First operand 22671 states and 62483 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:44,130 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:28:44,130 INFO  L93              Difference]: Finished difference Result 40350 states and 109827 transitions.
[2022-02-15 11:28:44,131 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-15 11:28:44,131 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:28:44,131 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:28:44,206 INFO  L225             Difference]: With dead ends: 40350
[2022-02-15 11:28:44,206 INFO  L226             Difference]: Without dead ends: 40350
[2022-02-15 11:28:44,207 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1210 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=672, Invalid=5490, Unknown=0, NotChecked=0, Total=6162
[2022-02-15 11:28:44,207 INFO  L933         BasicCegarLoop]: 1103 mSDtfsCounter, 1909 mSDsluCounter, 23881 mSDsCounter, 0 mSdLazyCounter, 4708 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1909 SdHoareTripleChecker+Valid, 24655 SdHoareTripleChecker+Invalid, 4727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:28:44,211 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1909 Valid, 24655 Invalid, 4727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4708 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:28:44,278 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40350 states.
[2022-02-15 11:28:44,661 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40350 to 22463.
[2022-02-15 11:28:44,690 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22463 states, 22462 states have (on average 2.7539399875345025) internal successors, (61859), 22462 states have internal predecessors, (61859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:44,737 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22463 states to 22463 states and 61859 transitions.
[2022-02-15 11:28:44,737 INFO  L78                 Accepts]: Start accepts. Automaton has 22463 states and 61859 transitions. Word has length 199
[2022-02-15 11:28:44,737 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:28:44,737 INFO  L470      AbstractCegarLoop]: Abstraction has 22463 states and 61859 transitions.
[2022-02-15 11:28:44,738 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:44,738 INFO  L276                IsEmpty]: Start isEmpty. Operand 22463 states and 61859 transitions.
[2022-02-15 11:28:44,768 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:28:44,768 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:28:44,768 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:28:44,768 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65
[2022-02-15 11:28:44,768 INFO  L402      AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:28:44,769 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:28:44,769 INFO  L85        PathProgramCache]: Analyzing trace with hash -264673435, now seen corresponding path program 43 times
[2022-02-15 11:28:44,769 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:28:44,769 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161323359]
[2022-02-15 11:28:44,769 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:28:44,769 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:28:44,778 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:28:45,056 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:28:45,056 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:28:45,056 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161323359]
[2022-02-15 11:28:45,056 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161323359] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:28:45,056 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:28:45,056 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:28:45,056 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042748605]
[2022-02-15 11:28:45,056 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:28:45,057 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:28:45,057 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:28:45,057 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:28:45,057 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:28:45,066 INFO  L87              Difference]: Start difference. First operand 22463 states and 61859 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:47,763 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:28:47,763 INFO  L93              Difference]: Finished difference Result 41008 states and 111549 transitions.
[2022-02-15 11:28:47,763 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. 
[2022-02-15 11:28:47,764 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:28:47,764 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:28:47,845 INFO  L225             Difference]: With dead ends: 41008
[2022-02-15 11:28:47,845 INFO  L226             Difference]: Without dead ends: 41008
[2022-02-15 11:28:47,846 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1164 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=652, Invalid=5354, Unknown=0, NotChecked=0, Total=6006
[2022-02-15 11:28:47,846 INFO  L933         BasicCegarLoop]: 1107 mSDtfsCounter, 1888 mSDsluCounter, 24048 mSDsCounter, 0 mSdLazyCounter, 4709 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1888 SdHoareTripleChecker+Valid, 24825 SdHoareTripleChecker+Invalid, 4728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:28:47,846 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1888 Valid, 24825 Invalid, 4728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4709 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:28:47,909 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41008 states.
[2022-02-15 11:28:48,292 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41008 to 22447.
[2022-02-15 11:28:48,320 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22447 states, 22446 states have (on average 2.7537645905729304) internal successors, (61811), 22446 states have internal predecessors, (61811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:48,366 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22447 states to 22447 states and 61811 transitions.
[2022-02-15 11:28:48,367 INFO  L78                 Accepts]: Start accepts. Automaton has 22447 states and 61811 transitions. Word has length 199
[2022-02-15 11:28:48,367 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:28:48,367 INFO  L470      AbstractCegarLoop]: Abstraction has 22447 states and 61811 transitions.
[2022-02-15 11:28:48,367 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:48,367 INFO  L276                IsEmpty]: Start isEmpty. Operand 22447 states and 61811 transitions.
[2022-02-15 11:28:48,398 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:28:48,398 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:28:48,398 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:28:48,398 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66
[2022-02-15 11:28:48,398 INFO  L402      AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:28:48,399 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:28:48,399 INFO  L85        PathProgramCache]: Analyzing trace with hash -1913599429, now seen corresponding path program 44 times
[2022-02-15 11:28:48,399 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:28:48,399 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532658903]
[2022-02-15 11:28:48,399 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:28:48,399 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:28:48,420 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:28:48,701 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:28:48,701 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:28:48,702 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532658903]
[2022-02-15 11:28:48,702 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532658903] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:28:48,702 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:28:48,702 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:28:48,702 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54432417]
[2022-02-15 11:28:48,702 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:28:48,702 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:28:48,702 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:28:48,702 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:28:48,703 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:28:48,703 INFO  L87              Difference]: Start difference. First operand 22447 states and 61811 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:51,294 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:28:51,294 INFO  L93              Difference]: Finished difference Result 41196 states and 112041 transitions.
[2022-02-15 11:28:51,295 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2022-02-15 11:28:51,295 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:28:51,295 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:28:51,379 INFO  L225             Difference]: With dead ends: 41196
[2022-02-15 11:28:51,379 INFO  L226             Difference]: Without dead ends: 41196
[2022-02-15 11:28:51,380 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1119 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=635, Invalid=5217, Unknown=0, NotChecked=0, Total=5852
[2022-02-15 11:28:51,381 INFO  L933         BasicCegarLoop]: 1109 mSDtfsCounter, 1834 mSDsluCounter, 24197 mSDsCounter, 0 mSdLazyCounter, 4518 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1834 SdHoareTripleChecker+Valid, 24975 SdHoareTripleChecker+Invalid, 4537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2022-02-15 11:28:51,387 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1834 Valid, 24975 Invalid, 4537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4518 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2022-02-15 11:28:51,453 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41196 states.
[2022-02-15 11:28:51,833 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41196 to 22399.
[2022-02-15 11:28:51,861 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22399 states, 22398 states have (on average 2.753236896151442) internal successors, (61667), 22398 states have internal predecessors, (61667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:51,910 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22399 states to 22399 states and 61667 transitions.
[2022-02-15 11:28:51,910 INFO  L78                 Accepts]: Start accepts. Automaton has 22399 states and 61667 transitions. Word has length 199
[2022-02-15 11:28:51,910 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:28:51,910 INFO  L470      AbstractCegarLoop]: Abstraction has 22399 states and 61667 transitions.
[2022-02-15 11:28:51,911 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:51,911 INFO  L276                IsEmpty]: Start isEmpty. Operand 22399 states and 61667 transitions.
[2022-02-15 11:28:51,942 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:28:51,942 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:28:51,942 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:28:51,943 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67
[2022-02-15 11:28:51,943 INFO  L402      AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:28:51,943 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:28:51,943 INFO  L85        PathProgramCache]: Analyzing trace with hash -1972789787, now seen corresponding path program 45 times
[2022-02-15 11:28:51,943 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:28:51,943 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772337462]
[2022-02-15 11:28:51,943 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:28:51,943 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:28:51,960 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:28:52,250 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:28:52,250 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:28:52,250 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772337462]
[2022-02-15 11:28:52,250 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772337462] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:28:52,250 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:28:52,250 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:28:52,250 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511369900]
[2022-02-15 11:28:52,250 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:28:52,251 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:28:52,251 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:28:52,251 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:28:52,251 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:28:52,251 INFO  L87              Difference]: Start difference. First operand 22399 states and 61667 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:54,698 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:28:54,698 INFO  L93              Difference]: Finished difference Result 35877 states and 97559 transitions.
[2022-02-15 11:28:54,698 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2022-02-15 11:28:54,698 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:28:54,699 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:28:54,767 INFO  L225             Difference]: With dead ends: 35877
[2022-02-15 11:28:54,767 INFO  L226             Difference]: Without dead ends: 35877
[2022-02-15 11:28:54,768 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1025 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=618, Invalid=4932, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:28:54,768 INFO  L933         BasicCegarLoop]: 1056 mSDtfsCounter, 1782 mSDsluCounter, 23025 mSDsCounter, 0 mSdLazyCounter, 4151 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1782 SdHoareTripleChecker+Valid, 23753 SdHoareTripleChecker+Invalid, 4170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2022-02-15 11:28:54,769 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1782 Valid, 23753 Invalid, 4170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4151 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2022-02-15 11:28:54,830 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 35877 states.
[2022-02-15 11:28:55,171 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 35877 to 22351.
[2022-02-15 11:28:55,198 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:55,242 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions.
[2022-02-15 11:28:55,243 INFO  L78                 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199
[2022-02-15 11:28:55,243 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:28:55,243 INFO  L470      AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions.
[2022-02-15 11:28:55,243 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:55,243 INFO  L276                IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions.
[2022-02-15 11:28:55,272 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:28:55,272 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:28:55,272 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:28:55,272 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68
[2022-02-15 11:28:55,272 INFO  L402      AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:28:55,272 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:28:55,273 INFO  L85        PathProgramCache]: Analyzing trace with hash 1309715475, now seen corresponding path program 46 times
[2022-02-15 11:28:55,273 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:28:55,273 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978337390]
[2022-02-15 11:28:55,273 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:28:55,273 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:28:55,281 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:28:55,565 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:28:55,565 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:28:55,565 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978337390]
[2022-02-15 11:28:55,566 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978337390] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:28:55,566 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:28:55,566 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:28:55,566 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938143158]
[2022-02-15 11:28:55,566 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:28:55,566 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:28:55,566 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:28:55,566 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:28:55,566 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:28:55,567 INFO  L87              Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:58,732 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:28:58,732 INFO  L93              Difference]: Finished difference Result 43816 states and 119376 transitions.
[2022-02-15 11:28:58,733 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. 
[2022-02-15 11:28:58,733 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:28:58,733 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:28:58,818 INFO  L225             Difference]: With dead ends: 43816
[2022-02-15 11:28:58,819 INFO  L226             Difference]: Without dead ends: 43816
[2022-02-15 11:28:58,820 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1331 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=848, Invalid=5958, Unknown=0, NotChecked=0, Total=6806
[2022-02-15 11:28:58,820 INFO  L933         BasicCegarLoop]: 1076 mSDtfsCounter, 2398 mSDsluCounter, 23325 mSDsCounter, 0 mSdLazyCounter, 5306 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2398 SdHoareTripleChecker+Valid, 23927 SdHoareTripleChecker+Invalid, 5329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:28:58,820 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2398 Valid, 23927 Invalid, 5329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5306 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:28:58,889 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 43816 states.
[2022-02-15 11:28:59,402 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 43816 to 22923.
[2022-02-15 11:28:59,430 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22923 states, 22922 states have (on average 2.757002006805689) internal successors, (63196), 22922 states have internal predecessors, (63196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:59,475 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22923 states to 22923 states and 63196 transitions.
[2022-02-15 11:28:59,475 INFO  L78                 Accepts]: Start accepts. Automaton has 22923 states and 63196 transitions. Word has length 199
[2022-02-15 11:28:59,475 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:28:59,475 INFO  L470      AbstractCegarLoop]: Abstraction has 22923 states and 63196 transitions.
[2022-02-15 11:28:59,475 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:28:59,475 INFO  L276                IsEmpty]: Start isEmpty. Operand 22923 states and 63196 transitions.
[2022-02-15 11:28:59,504 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:28:59,504 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:28:59,505 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:28:59,505 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69
[2022-02-15 11:28:59,505 INFO  L402      AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:28:59,505 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:28:59,505 INFO  L85        PathProgramCache]: Analyzing trace with hash -712082567, now seen corresponding path program 47 times
[2022-02-15 11:28:59,506 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:28:59,506 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50123518]
[2022-02-15 11:28:59,506 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:28:59,506 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:28:59,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:28:59,805 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:28:59,805 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:28:59,805 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50123518]
[2022-02-15 11:28:59,805 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50123518] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:28:59,805 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:28:59,805 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:28:59,805 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185886966]
[2022-02-15 11:28:59,805 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:28:59,805 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:28:59,806 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:28:59,806 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:28:59,806 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:28:59,806 INFO  L87              Difference]: Start difference. First operand 22923 states and 63196 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:02,727 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:29:02,727 INFO  L93              Difference]: Finished difference Result 41749 states and 114148 transitions.
[2022-02-15 11:29:02,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-15 11:29:02,728 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:29:02,728 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:29:02,807 INFO  L225             Difference]: With dead ends: 41749
[2022-02-15 11:29:02,807 INFO  L226             Difference]: Without dead ends: 41749
[2022-02-15 11:29:02,808 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1324 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=792, Invalid=5850, Unknown=0, NotChecked=0, Total=6642
[2022-02-15 11:29:02,808 INFO  L933         BasicCegarLoop]: 1043 mSDtfsCounter, 2355 mSDsluCounter, 22353 mSDsCounter, 0 mSdLazyCounter, 4999 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2355 SdHoareTripleChecker+Valid, 23086 SdHoareTripleChecker+Invalid, 5022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:29:02,808 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2355 Valid, 23086 Invalid, 5022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4999 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:29:02,870 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41749 states.
[2022-02-15 11:29:03,285 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41749 to 22859.
[2022-02-15 11:29:03,312 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22859 states, 22858 states have (on average 2.755621664187593) internal successors, (62988), 22858 states have internal predecessors, (62988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:03,358 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22859 states to 22859 states and 62988 transitions.
[2022-02-15 11:29:03,358 INFO  L78                 Accepts]: Start accepts. Automaton has 22859 states and 62988 transitions. Word has length 199
[2022-02-15 11:29:03,358 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:29:03,358 INFO  L470      AbstractCegarLoop]: Abstraction has 22859 states and 62988 transitions.
[2022-02-15 11:29:03,358 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:03,358 INFO  L276                IsEmpty]: Start isEmpty. Operand 22859 states and 62988 transitions.
[2022-02-15 11:29:03,388 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:29:03,388 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:29:03,388 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:29:03,389 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70
[2022-02-15 11:29:03,389 INFO  L402      AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:29:03,389 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:29:03,389 INFO  L85        PathProgramCache]: Analyzing trace with hash 1211054803, now seen corresponding path program 48 times
[2022-02-15 11:29:03,389 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:29:03,389 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988679483]
[2022-02-15 11:29:03,389 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:29:03,389 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:29:03,398 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:29:03,682 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:29:03,682 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:29:03,682 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988679483]
[2022-02-15 11:29:03,682 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988679483] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:29:03,682 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:29:03,682 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:29:03,682 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422664153]
[2022-02-15 11:29:03,682 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:29:03,682 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:29:03,683 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:29:03,683 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:29:03,683 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:29:03,683 INFO  L87              Difference]: Start difference. First operand 22859 states and 62988 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:06,461 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:29:06,461 INFO  L93              Difference]: Finished difference Result 39891 states and 109363 transitions.
[2022-02-15 11:29:06,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2022-02-15 11:29:06,462 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:29:06,462 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:29:06,536 INFO  L225             Difference]: With dead ends: 39891
[2022-02-15 11:29:06,536 INFO  L226             Difference]: Without dead ends: 39891
[2022-02-15 11:29:06,537 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1042 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=685, Invalid=5015, Unknown=0, NotChecked=0, Total=5700
[2022-02-15 11:29:06,537 INFO  L933         BasicCegarLoop]: 1038 mSDtfsCounter, 2085 mSDsluCounter, 21909 mSDsCounter, 0 mSdLazyCounter, 4952 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2085 SdHoareTripleChecker+Valid, 22652 SdHoareTripleChecker+Invalid, 4971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:29:06,537 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2085 Valid, 22652 Invalid, 4971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4952 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:29:06,604 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 39891 states.
[2022-02-15 11:29:06,994 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 39891 to 22811.
[2022-02-15 11:29:07,024 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22811 states, 22810 states have (on average 2.7551074090311265) internal successors, (62844), 22810 states have internal predecessors, (62844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:07,069 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22811 states to 22811 states and 62844 transitions.
[2022-02-15 11:29:07,070 INFO  L78                 Accepts]: Start accepts. Automaton has 22811 states and 62844 transitions. Word has length 199
[2022-02-15 11:29:07,070 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:29:07,070 INFO  L470      AbstractCegarLoop]: Abstraction has 22811 states and 62844 transitions.
[2022-02-15 11:29:07,070 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:07,070 INFO  L276                IsEmpty]: Start isEmpty. Operand 22811 states and 62844 transitions.
[2022-02-15 11:29:07,099 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:29:07,099 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:29:07,099 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:29:07,099 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71
[2022-02-15 11:29:07,100 INFO  L402      AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:29:07,100 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:29:07,100 INFO  L85        PathProgramCache]: Analyzing trace with hash -1482625593, now seen corresponding path program 49 times
[2022-02-15 11:29:07,100 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:29:07,100 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399129676]
[2022-02-15 11:29:07,100 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:29:07,100 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:29:07,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:29:07,388 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:29:07,388 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:29:07,388 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399129676]
[2022-02-15 11:29:07,388 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399129676] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:29:07,388 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:29:07,388 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:29:07,388 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136243281]
[2022-02-15 11:29:07,388 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:29:07,389 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:29:07,389 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:29:07,389 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:29:07,389 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:29:07,389 INFO  L87              Difference]: Start difference. First operand 22811 states and 62844 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:10,184 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:29:10,184 INFO  L93              Difference]: Finished difference Result 41249 states and 112755 transitions.
[2022-02-15 11:29:10,184 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2022-02-15 11:29:10,184 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:29:10,185 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:29:10,267 INFO  L225             Difference]: With dead ends: 41249
[2022-02-15 11:29:10,267 INFO  L226             Difference]: Without dead ends: 41249
[2022-02-15 11:29:10,268 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1041 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=686, Invalid=5014, Unknown=0, NotChecked=0, Total=5700
[2022-02-15 11:29:10,268 INFO  L933         BasicCegarLoop]: 1051 mSDtfsCounter, 2141 mSDsluCounter, 22173 mSDsCounter, 0 mSdLazyCounter, 4876 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2141 SdHoareTripleChecker+Valid, 22927 SdHoareTripleChecker+Invalid, 4895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:29:10,268 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2141 Valid, 22927 Invalid, 4895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4876 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:29:10,336 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41249 states.
[2022-02-15 11:29:10,832 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41249 to 22795.
[2022-02-15 11:29:10,859 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22795 states, 22794 states have (on average 2.7549355093445644) internal successors, (62796), 22794 states have internal predecessors, (62796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:10,906 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22795 states to 22795 states and 62796 transitions.
[2022-02-15 11:29:10,906 INFO  L78                 Accepts]: Start accepts. Automaton has 22795 states and 62796 transitions. Word has length 199
[2022-02-15 11:29:10,906 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:29:10,906 INFO  L470      AbstractCegarLoop]: Abstraction has 22795 states and 62796 transitions.
[2022-02-15 11:29:10,906 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:10,907 INFO  L276                IsEmpty]: Start isEmpty. Operand 22795 states and 62796 transitions.
[2022-02-15 11:29:10,937 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:29:10,937 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:29:10,937 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:29:10,938 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72
[2022-02-15 11:29:10,938 INFO  L402      AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:29:10,938 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:29:10,938 INFO  L85        PathProgramCache]: Analyzing trace with hash -2083856911, now seen corresponding path program 50 times
[2022-02-15 11:29:10,938 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:29:10,938 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155077351]
[2022-02-15 11:29:10,939 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:29:10,939 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:29:10,947 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:29:11,225 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:29:11,226 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:29:11,226 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155077351]
[2022-02-15 11:29:11,226 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155077351] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:29:11,226 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:29:11,226 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:29:11,226 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7855431]
[2022-02-15 11:29:11,226 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:29:11,226 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:29:11,226 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:29:11,227 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:29:11,227 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:29:11,227 INFO  L87              Difference]: Start difference. First operand 22795 states and 62796 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:13,941 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:29:13,942 INFO  L93              Difference]: Finished difference Result 40242 states and 109897 transitions.
[2022-02-15 11:29:13,942 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2022-02-15 11:29:13,942 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:29:13,942 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:29:14,018 INFO  L225             Difference]: With dead ends: 40242
[2022-02-15 11:29:14,018 INFO  L226             Difference]: Without dead ends: 40242
[2022-02-15 11:29:14,019 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=647, Invalid=4755, Unknown=0, NotChecked=0, Total=5402
[2022-02-15 11:29:14,019 INFO  L933         BasicCegarLoop]: 1098 mSDtfsCounter, 1949 mSDsluCounter, 23013 mSDsCounter, 0 mSdLazyCounter, 4900 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1949 SdHoareTripleChecker+Valid, 23797 SdHoareTripleChecker+Invalid, 4919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:29:14,019 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1949 Valid, 23797 Invalid, 4919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4900 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:29:14,082 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40242 states.
[2022-02-15 11:29:14,465 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40242 to 22587.
[2022-02-15 11:29:14,493 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22587 states, 22586 states have (on average 2.752678650491455) internal successors, (62172), 22586 states have internal predecessors, (62172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:14,540 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22587 states to 22587 states and 62172 transitions.
[2022-02-15 11:29:14,540 INFO  L78                 Accepts]: Start accepts. Automaton has 22587 states and 62172 transitions. Word has length 199
[2022-02-15 11:29:14,541 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:29:14,541 INFO  L470      AbstractCegarLoop]: Abstraction has 22587 states and 62172 transitions.
[2022-02-15 11:29:14,541 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:14,541 INFO  L276                IsEmpty]: Start isEmpty. Operand 22587 states and 62172 transitions.
[2022-02-15 11:29:14,570 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:29:14,570 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:29:14,570 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:29:14,570 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73
[2022-02-15 11:29:14,570 INFO  L402      AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:29:14,571 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:29:14,571 INFO  L85        PathProgramCache]: Analyzing trace with hash -1390257003, now seen corresponding path program 51 times
[2022-02-15 11:29:14,571 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:29:14,571 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820109562]
[2022-02-15 11:29:14,571 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:29:14,571 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:29:14,580 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:29:14,885 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:29:14,885 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:29:14,885 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820109562]
[2022-02-15 11:29:14,885 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820109562] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:29:14,885 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:29:14,885 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:29:14,886 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041227082]
[2022-02-15 11:29:14,886 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:29:14,886 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:29:14,886 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:29:14,886 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:29:14,886 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:29:14,886 INFO  L87              Difference]: Start difference. First operand 22587 states and 62172 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:17,622 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:29:17,622 INFO  L93              Difference]: Finished difference Result 37931 states and 103594 transitions.
[2022-02-15 11:29:17,623 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2022-02-15 11:29:17,623 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:29:17,623 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:29:17,697 INFO  L225             Difference]: With dead ends: 37931
[2022-02-15 11:29:17,698 INFO  L226             Difference]: Without dead ends: 37931
[2022-02-15 11:29:17,698 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 951 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=658, Invalid=4744, Unknown=0, NotChecked=0, Total=5402
[2022-02-15 11:29:17,699 INFO  L933         BasicCegarLoop]: 956 mSDtfsCounter, 2059 mSDsluCounter, 20751 mSDsCounter, 0 mSdLazyCounter, 4859 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2059 SdHoareTripleChecker+Valid, 21351 SdHoareTripleChecker+Invalid, 4882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:29:17,699 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2059 Valid, 21351 Invalid, 4882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4859 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:29:17,765 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37931 states.
[2022-02-15 11:29:18,143 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37931 to 22747.
[2022-02-15 11:29:18,170 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22747 states, 22746 states have (on average 2.754594214367361) internal successors, (62656), 22746 states have internal predecessors, (62656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:18,214 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22747 states to 22747 states and 62656 transitions.
[2022-02-15 11:29:18,214 INFO  L78                 Accepts]: Start accepts. Automaton has 22747 states and 62656 transitions. Word has length 199
[2022-02-15 11:29:18,215 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:29:18,215 INFO  L470      AbstractCegarLoop]: Abstraction has 22747 states and 62656 transitions.
[2022-02-15 11:29:18,215 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:18,215 INFO  L276                IsEmpty]: Start isEmpty. Operand 22747 states and 62656 transitions.
[2022-02-15 11:29:18,243 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:29:18,243 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:29:18,244 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:29:18,244 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74
[2022-02-15 11:29:18,244 INFO  L402      AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:29:18,244 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:29:18,244 INFO  L85        PathProgramCache]: Analyzing trace with hash 882912251, now seen corresponding path program 52 times
[2022-02-15 11:29:18,244 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:29:18,244 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482651487]
[2022-02-15 11:29:18,244 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:29:18,244 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:29:18,307 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:29:18,586 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:29:18,586 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:29:18,586 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482651487]
[2022-02-15 11:29:18,586 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482651487] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:29:18,586 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:29:18,586 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:29:18,586 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408854705]
[2022-02-15 11:29:18,586 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:29:18,587 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:29:18,587 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:29:18,587 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:29:18,587 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:29:18,587 INFO  L87              Difference]: Start difference. First operand 22747 states and 62656 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:21,246 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:29:21,246 INFO  L93              Difference]: Finished difference Result 37027 states and 101394 transitions.
[2022-02-15 11:29:21,246 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-15 11:29:21,246 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:29:21,246 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:29:21,316 INFO  L225             Difference]: With dead ends: 37027
[2022-02-15 11:29:21,316 INFO  L226             Difference]: Without dead ends: 37027
[2022-02-15 11:29:21,317 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1004 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=659, Invalid=4891, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:29:21,318 INFO  L933         BasicCegarLoop]: 941 mSDtfsCounter, 1987 mSDsluCounter, 20164 mSDsCounter, 0 mSdLazyCounter, 4702 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1987 SdHoareTripleChecker+Valid, 20897 SdHoareTripleChecker+Invalid, 4725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:29:21,318 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1987 Valid, 20897 Invalid, 4725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4702 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:29:21,377 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37027 states.
[2022-02-15 11:29:21,757 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37027 to 22683.
[2022-02-15 11:29:21,785 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22683 states, 22682 states have (on average 2.7531963671633894) internal successors, (62448), 22682 states have internal predecessors, (62448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:21,833 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22683 states to 22683 states and 62448 transitions.
[2022-02-15 11:29:21,834 INFO  L78                 Accepts]: Start accepts. Automaton has 22683 states and 62448 transitions. Word has length 199
[2022-02-15 11:29:21,834 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:29:21,834 INFO  L470      AbstractCegarLoop]: Abstraction has 22683 states and 62448 transitions.
[2022-02-15 11:29:21,834 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:21,834 INFO  L276                IsEmpty]: Start isEmpty. Operand 22683 states and 62448 transitions.
[2022-02-15 11:29:21,865 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:29:21,865 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:29:21,865 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:29:21,865 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75
[2022-02-15 11:29:21,866 INFO  L402      AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:29:21,866 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:29:21,866 INFO  L85        PathProgramCache]: Analyzing trace with hash 505715027, now seen corresponding path program 53 times
[2022-02-15 11:29:21,866 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:29:21,866 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060460239]
[2022-02-15 11:29:21,866 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:29:21,866 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:29:21,875 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:29:22,150 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:29:22,150 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:29:22,150 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060460239]
[2022-02-15 11:29:22,150 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060460239] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:29:22,151 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:29:22,151 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:29:22,151 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861773306]
[2022-02-15 11:29:22,151 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:29:22,151 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:29:22,151 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:29:22,151 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:29:22,152 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:29:22,152 INFO  L87              Difference]: Start difference. First operand 22683 states and 62448 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:24,679 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:29:24,679 INFO  L93              Difference]: Finished difference Result 34832 states and 95221 transitions.
[2022-02-15 11:29:24,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-15 11:29:24,680 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:29:24,680 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:29:24,745 INFO  L225             Difference]: With dead ends: 34832
[2022-02-15 11:29:24,745 INFO  L226             Difference]: Without dead ends: 34832
[2022-02-15 11:29:24,746 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 791 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=602, Invalid=4228, Unknown=0, NotChecked=0, Total=4830
[2022-02-15 11:29:24,746 INFO  L933         BasicCegarLoop]: 935 mSDtfsCounter, 1721 mSDsluCounter, 20106 mSDsCounter, 0 mSdLazyCounter, 4608 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1721 SdHoareTripleChecker+Valid, 20708 SdHoareTripleChecker+Invalid, 4627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:29:24,746 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1721 Valid, 20708 Invalid, 4627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4608 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:29:24,804 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 34832 states.
[2022-02-15 11:29:25,155 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 34832 to 22635.
[2022-02-15 11:29:25,181 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22635 states, 22634 states have (on average 2.75267296986834) internal successors, (62304), 22634 states have internal predecessors, (62304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:25,226 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22635 states to 22635 states and 62304 transitions.
[2022-02-15 11:29:25,226 INFO  L78                 Accepts]: Start accepts. Automaton has 22635 states and 62304 transitions. Word has length 199
[2022-02-15 11:29:25,227 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:29:25,227 INFO  L470      AbstractCegarLoop]: Abstraction has 22635 states and 62304 transitions.
[2022-02-15 11:29:25,227 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:25,227 INFO  L276                IsEmpty]: Start isEmpty. Operand 22635 states and 62304 transitions.
[2022-02-15 11:29:25,256 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:29:25,256 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:29:25,256 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:29:25,256 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76
[2022-02-15 11:29:25,256 INFO  L402      AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:29:25,257 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:29:25,257 INFO  L85        PathProgramCache]: Analyzing trace with hash 868421715, now seen corresponding path program 54 times
[2022-02-15 11:29:25,257 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:29:25,257 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215787194]
[2022-02-15 11:29:25,257 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:29:25,257 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:29:25,265 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:29:25,556 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:29:25,557 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:29:25,557 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215787194]
[2022-02-15 11:29:25,557 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215787194] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:29:25,557 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:29:25,557 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:29:25,557 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913093117]
[2022-02-15 11:29:25,557 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:29:25,557 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:29:25,557 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:29:25,558 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:29:25,558 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:29:25,558 INFO  L87              Difference]: Start difference. First operand 22635 states and 62304 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:28,418 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:29:28,419 INFO  L93              Difference]: Finished difference Result 38523 states and 105184 transitions.
[2022-02-15 11:29:28,419 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:29:28,419 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:29:28,419 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:29:28,493 INFO  L225             Difference]: With dead ends: 38523
[2022-02-15 11:29:28,493 INFO  L226             Difference]: Without dead ends: 38523
[2022-02-15 11:29:28,494 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1077 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=702, Invalid=5150, Unknown=0, NotChecked=0, Total=5852
[2022-02-15 11:29:28,494 INFO  L933         BasicCegarLoop]: 993 mSDtfsCounter, 2003 mSDsluCounter, 21533 mSDsCounter, 0 mSdLazyCounter, 5032 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2003 SdHoareTripleChecker+Valid, 22130 SdHoareTripleChecker+Invalid, 5055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:29:28,494 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2003 Valid, 22130 Invalid, 5055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5032 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:29:28,556 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38523 states.
[2022-02-15 11:29:28,949 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38523 to 22747.
[2022-02-15 11:29:28,976 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22747 states, 22746 states have (on average 2.754594214367361) internal successors, (62656), 22746 states have internal predecessors, (62656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:29,023 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22747 states to 22747 states and 62656 transitions.
[2022-02-15 11:29:29,023 INFO  L78                 Accepts]: Start accepts. Automaton has 22747 states and 62656 transitions. Word has length 199
[2022-02-15 11:29:29,024 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:29:29,024 INFO  L470      AbstractCegarLoop]: Abstraction has 22747 states and 62656 transitions.
[2022-02-15 11:29:29,024 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:29,024 INFO  L276                IsEmpty]: Start isEmpty. Operand 22747 states and 62656 transitions.
[2022-02-15 11:29:29,055 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:29:29,055 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:29:29,055 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:29:29,055 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77
[2022-02-15 11:29:29,055 INFO  L402      AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:29:29,056 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:29:29,056 INFO  L85        PathProgramCache]: Analyzing trace with hash -1153376327, now seen corresponding path program 55 times
[2022-02-15 11:29:29,056 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:29:29,056 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811247593]
[2022-02-15 11:29:29,056 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:29:29,056 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:29:29,064 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:29:29,353 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:29:29,354 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:29:29,354 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811247593]
[2022-02-15 11:29:29,354 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811247593] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:29:29,354 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:29:29,354 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:29:29,354 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468969402]
[2022-02-15 11:29:29,354 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:29:29,354 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:29:29,354 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:29:29,355 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:29:29,355 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:29:29,355 INFO  L87              Difference]: Start difference. First operand 22747 states and 62656 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:32,136 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:29:32,137 INFO  L93              Difference]: Finished difference Result 37511 states and 102716 transitions.
[2022-02-15 11:29:32,137 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:29:32,137 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:29:32,137 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:29:32,212 INFO  L225             Difference]: With dead ends: 37511
[2022-02-15 11:29:32,213 INFO  L226             Difference]: Without dead ends: 37511
[2022-02-15 11:29:32,214 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1096 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=681, Invalid=5171, Unknown=0, NotChecked=0, Total=5852
[2022-02-15 11:29:32,214 INFO  L933         BasicCegarLoop]: 998 mSDtfsCounter, 1996 mSDsluCounter, 21319 mSDsCounter, 0 mSdLazyCounter, 4847 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1996 SdHoareTripleChecker+Valid, 22052 SdHoareTripleChecker+Invalid, 4870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:29:32,214 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1996 Valid, 22052 Invalid, 4870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4847 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:29:32,274 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37511 states.
[2022-02-15 11:29:32,635 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37511 to 22683.
[2022-02-15 11:29:32,662 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22683 states, 22682 states have (on average 2.7531963671633894) internal successors, (62448), 22682 states have internal predecessors, (62448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:32,709 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22683 states to 22683 states and 62448 transitions.
[2022-02-15 11:29:32,709 INFO  L78                 Accepts]: Start accepts. Automaton has 22683 states and 62448 transitions. Word has length 199
[2022-02-15 11:29:32,709 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:29:32,709 INFO  L470      AbstractCegarLoop]: Abstraction has 22683 states and 62448 transitions.
[2022-02-15 11:29:32,710 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:32,710 INFO  L276                IsEmpty]: Start isEmpty. Operand 22683 states and 62448 transitions.
[2022-02-15 11:29:32,739 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:29:32,739 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:29:32,740 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:29:32,740 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78
[2022-02-15 11:29:32,740 INFO  L402      AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:29:32,740 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:29:32,740 INFO  L85        PathProgramCache]: Analyzing trace with hash -803922443, now seen corresponding path program 56 times
[2022-02-15 11:29:32,740 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:29:32,740 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724122302]
[2022-02-15 11:29:32,740 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:29:32,740 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:29:32,749 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:29:33,035 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:29:33,035 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:29:33,035 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724122302]
[2022-02-15 11:29:33,035 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724122302] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:29:33,035 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:29:33,035 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:29:33,036 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005957776]
[2022-02-15 11:29:33,036 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:29:33,036 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:29:33,036 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:29:33,036 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:29:33,036 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:29:33,036 INFO  L87              Difference]: Start difference. First operand 22683 states and 62448 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:35,567 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:29:35,568 INFO  L93              Difference]: Finished difference Result 34252 states and 93913 transitions.
[2022-02-15 11:29:35,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-02-15 11:29:35,568 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:29:35,568 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:29:35,632 INFO  L225             Difference]: With dead ends: 34252
[2022-02-15 11:29:35,632 INFO  L226             Difference]: Without dead ends: 34252
[2022-02-15 11:29:35,633 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=590, Invalid=4380, Unknown=0, NotChecked=0, Total=4970
[2022-02-15 11:29:35,633 INFO  L933         BasicCegarLoop]: 942 mSDtfsCounter, 1692 mSDsluCounter, 20020 mSDsCounter, 0 mSdLazyCounter, 4651 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1692 SdHoareTripleChecker+Valid, 20724 SdHoareTripleChecker+Invalid, 4670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2022-02-15 11:29:35,633 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1692 Valid, 20724 Invalid, 4670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4651 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2022-02-15 11:29:35,689 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 34252 states.
[2022-02-15 11:29:36,031 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 34252 to 22599.
[2022-02-15 11:29:36,058 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22599 states, 22598 states have (on average 2.752677228073281) internal successors, (62205), 22598 states have internal predecessors, (62205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:36,102 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22599 states to 22599 states and 62205 transitions.
[2022-02-15 11:29:36,102 INFO  L78                 Accepts]: Start accepts. Automaton has 22599 states and 62205 transitions. Word has length 199
[2022-02-15 11:29:36,102 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:29:36,102 INFO  L470      AbstractCegarLoop]: Abstraction has 22599 states and 62205 transitions.
[2022-02-15 11:29:36,102 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:36,102 INFO  L276                IsEmpty]: Start isEmpty. Operand 22599 states and 62205 transitions.
[2022-02-15 11:29:36,131 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:29:36,131 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:29:36,132 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:29:36,132 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79
[2022-02-15 11:29:36,132 INFO  L402      AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:29:36,132 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:29:36,132 INFO  L85        PathProgramCache]: Analyzing trace with hash -710520743, now seen corresponding path program 57 times
[2022-02-15 11:29:36,132 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:29:36,132 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508700562]
[2022-02-15 11:29:36,132 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:29:36,132 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:29:36,140 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:29:36,476 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:29:36,476 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:29:36,476 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508700562]
[2022-02-15 11:29:36,476 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508700562] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:29:36,476 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:29:36,476 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:29:36,476 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264662285]
[2022-02-15 11:29:36,476 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:29:36,477 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:29:36,477 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:29:36,477 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:29:36,477 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:29:36,477 INFO  L87              Difference]: Start difference. First operand 22599 states and 62205 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:39,490 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:29:39,490 INFO  L93              Difference]: Finished difference Result 42529 states and 115942 transitions.
[2022-02-15 11:29:39,490 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-15 11:29:39,491 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:29:39,491 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:29:39,572 INFO  L225             Difference]: With dead ends: 42529
[2022-02-15 11:29:39,572 INFO  L226             Difference]: Without dead ends: 42529
[2022-02-15 11:29:39,573 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1202 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=772, Invalid=5548, Unknown=0, NotChecked=0, Total=6320
[2022-02-15 11:29:39,573 INFO  L933         BasicCegarLoop]: 1054 mSDtfsCounter, 2184 mSDsluCounter, 22800 mSDsCounter, 0 mSdLazyCounter, 5288 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2184 SdHoareTripleChecker+Valid, 23418 SdHoareTripleChecker+Invalid, 5311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:29:39,573 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2184 Valid, 23418 Invalid, 5311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5288 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:29:39,642 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42529 states.
[2022-02-15 11:29:40,089 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42529 to 22727.
[2022-02-15 11:29:40,118 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22727 states, 22726 states have (on average 2.754774267358972) internal successors, (62605), 22726 states have internal predecessors, (62605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:40,168 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22727 states to 22727 states and 62605 transitions.
[2022-02-15 11:29:40,169 INFO  L78                 Accepts]: Start accepts. Automaton has 22727 states and 62605 transitions. Word has length 199
[2022-02-15 11:29:40,169 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:29:40,169 INFO  L470      AbstractCegarLoop]: Abstraction has 22727 states and 62605 transitions.
[2022-02-15 11:29:40,169 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:40,169 INFO  L276                IsEmpty]: Start isEmpty. Operand 22727 states and 62605 transitions.
[2022-02-15 11:29:40,201 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:29:40,201 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:29:40,201 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:29:40,201 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80
[2022-02-15 11:29:40,202 INFO  L402      AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:29:40,202 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:29:40,202 INFO  L85        PathProgramCache]: Analyzing trace with hash 1562648511, now seen corresponding path program 58 times
[2022-02-15 11:29:40,202 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:29:40,202 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57010437]
[2022-02-15 11:29:40,202 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:29:40,202 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:29:40,215 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:29:40,529 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:29:40,530 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:29:40,530 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57010437]
[2022-02-15 11:29:40,530 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57010437] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:29:40,530 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:29:40,530 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:29:40,530 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930421992]
[2022-02-15 11:29:40,530 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:29:40,530 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:29:40,530 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:29:40,530 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:29:40,531 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:29:40,531 INFO  L87              Difference]: Start difference. First operand 22727 states and 62605 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:43,487 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:29:43,487 INFO  L93              Difference]: Finished difference Result 41346 states and 113036 transitions.
[2022-02-15 11:29:43,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2022-02-15 11:29:43,488 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:29:43,488 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:29:43,570 INFO  L225             Difference]: With dead ends: 41346
[2022-02-15 11:29:43,570 INFO  L226             Difference]: Without dead ends: 41346
[2022-02-15 11:29:43,571 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1277 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=764, Invalid=5716, Unknown=0, NotChecked=0, Total=6480
[2022-02-15 11:29:43,571 INFO  L933         BasicCegarLoop]: 1072 mSDtfsCounter, 2158 mSDsluCounter, 22796 mSDsCounter, 0 mSdLazyCounter, 5047 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2158 SdHoareTripleChecker+Valid, 23562 SdHoareTripleChecker+Invalid, 5070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:29:43,571 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2158 Valid, 23562 Invalid, 5070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5047 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:29:43,635 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41346 states.
[2022-02-15 11:29:44,038 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41346 to 22663.
[2022-02-15 11:29:44,066 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22663 states, 22662 states have (on average 2.7533756949960284) internal successors, (62397), 22662 states have internal predecessors, (62397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:44,114 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22663 states to 22663 states and 62397 transitions.
[2022-02-15 11:29:44,115 INFO  L78                 Accepts]: Start accepts. Automaton has 22663 states and 62397 transitions. Word has length 199
[2022-02-15 11:29:44,115 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:29:44,115 INFO  L470      AbstractCegarLoop]: Abstraction has 22663 states and 62397 transitions.
[2022-02-15 11:29:44,115 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:44,115 INFO  L276                IsEmpty]: Start isEmpty. Operand 22663 states and 62397 transitions.
[2022-02-15 11:29:44,145 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:29:44,145 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:29:44,146 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:29:44,146 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81
[2022-02-15 11:29:44,146 INFO  L402      AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:29:44,146 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:29:44,146 INFO  L85        PathProgramCache]: Analyzing trace with hash 1912102395, now seen corresponding path program 59 times
[2022-02-15 11:29:44,146 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:29:44,146 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85280477]
[2022-02-15 11:29:44,146 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:29:44,146 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:29:44,155 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:29:44,431 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:29:44,431 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:29:44,431 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85280477]
[2022-02-15 11:29:44,431 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85280477] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:29:44,432 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:29:44,432 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:29:44,432 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213245334]
[2022-02-15 11:29:44,432 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:29:44,432 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:29:44,432 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:29:44,432 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:29:44,432 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:29:44,433 INFO  L87              Difference]: Start difference. First operand 22663 states and 62397 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:47,152 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:29:47,152 INFO  L93              Difference]: Finished difference Result 37516 states and 102789 transitions.
[2022-02-15 11:29:47,153 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2022-02-15 11:29:47,153 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:29:47,153 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:29:47,223 INFO  L225             Difference]: With dead ends: 37516
[2022-02-15 11:29:47,223 INFO  L226             Difference]: Without dead ends: 37516
[2022-02-15 11:29:47,224 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 962 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=643, Invalid=4759, Unknown=0, NotChecked=0, Total=5402
[2022-02-15 11:29:47,224 INFO  L933         BasicCegarLoop]: 1017 mSDtfsCounter, 1868 mSDsluCounter, 21491 mSDsCounter, 0 mSdLazyCounter, 4864 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1868 SdHoareTripleChecker+Valid, 22232 SdHoareTripleChecker+Invalid, 4883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:29:47,224 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1868 Valid, 22232 Invalid, 4883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4864 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:29:47,284 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37516 states.
[2022-02-15 11:29:47,666 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37516 to 22615.
[2022-02-15 11:29:47,694 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22615 states, 22614 states have (on average 2.7528522154417616) internal successors, (62253), 22614 states have internal predecessors, (62253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:47,739 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22615 states to 22615 states and 62253 transitions.
[2022-02-15 11:29:47,740 INFO  L78                 Accepts]: Start accepts. Automaton has 22615 states and 62253 transitions. Word has length 199
[2022-02-15 11:29:47,740 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:29:47,740 INFO  L470      AbstractCegarLoop]: Abstraction has 22615 states and 62253 transitions.
[2022-02-15 11:29:47,740 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:47,740 INFO  L276                IsEmpty]: Start isEmpty. Operand 22615 states and 62253 transitions.
[2022-02-15 11:29:47,769 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:29:47,769 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:29:47,770 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:29:47,770 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82
[2022-02-15 11:29:47,770 INFO  L402      AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:29:47,770 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:29:47,770 INFO  L85        PathProgramCache]: Analyzing trace with hash -1380492921, now seen corresponding path program 60 times
[2022-02-15 11:29:47,770 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:29:47,770 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080364624]
[2022-02-15 11:29:47,770 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:29:47,770 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:29:47,779 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:29:48,060 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:29:48,061 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:29:48,061 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080364624]
[2022-02-15 11:29:48,061 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080364624] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:29:48,061 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:29:48,061 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:29:48,061 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335717847]
[2022-02-15 11:29:48,061 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:29:48,061 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:29:48,061 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:29:48,061 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:29:48,062 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:29:48,062 INFO  L87              Difference]: Start difference. First operand 22615 states and 62253 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:50,766 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:29:50,766 INFO  L93              Difference]: Finished difference Result 38250 states and 104483 transitions.
[2022-02-15 11:29:50,766 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2022-02-15 11:29:50,766 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:29:50,767 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:29:50,840 INFO  L225             Difference]: With dead ends: 38250
[2022-02-15 11:29:50,840 INFO  L226             Difference]: Without dead ends: 38250
[2022-02-15 11:29:50,841 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 961 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=642, Invalid=4760, Unknown=0, NotChecked=0, Total=5402
[2022-02-15 11:29:50,842 INFO  L933         BasicCegarLoop]: 1046 mSDtfsCounter, 1839 mSDsluCounter, 22121 mSDsCounter, 0 mSdLazyCounter, 4800 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1839 SdHoareTripleChecker+Valid, 22869 SdHoareTripleChecker+Invalid, 4819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:29:50,842 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1839 Valid, 22869 Invalid, 4819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4800 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:29:50,906 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38250 states.
[2022-02-15 11:29:51,292 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38250 to 22431.
[2022-02-15 11:29:51,319 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22431 states, 22430 states have (on average 2.752697280427998) internal successors, (61743), 22430 states have internal predecessors, (61743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:51,364 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22431 states to 22431 states and 61743 transitions.
[2022-02-15 11:29:51,364 INFO  L78                 Accepts]: Start accepts. Automaton has 22431 states and 61743 transitions. Word has length 199
[2022-02-15 11:29:51,365 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:29:51,365 INFO  L470      AbstractCegarLoop]: Abstraction has 22431 states and 61743 transitions.
[2022-02-15 11:29:51,365 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:51,365 INFO  L276                IsEmpty]: Start isEmpty. Operand 22431 states and 61743 transitions.
[2022-02-15 11:29:51,394 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:29:51,394 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:29:51,394 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:29:51,394 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83
[2022-02-15 11:29:51,394 INFO  L402      AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:29:51,395 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:29:51,395 INFO  L85        PathProgramCache]: Analyzing trace with hash 1157505285, now seen corresponding path program 61 times
[2022-02-15 11:29:51,395 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:29:51,395 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600488559]
[2022-02-15 11:29:51,395 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:29:51,395 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:29:51,403 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:29:51,687 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:29:51,687 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:29:51,687 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600488559]
[2022-02-15 11:29:51,687 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600488559] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:29:51,687 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:29:51,688 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:29:51,688 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811888347]
[2022-02-15 11:29:51,688 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:29:51,688 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:29:51,688 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:29:51,688 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:29:51,688 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:29:51,688 INFO  L87              Difference]: Start difference. First operand 22431 states and 61743 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:54,583 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:29:54,583 INFO  L93              Difference]: Finished difference Result 37275 states and 101770 transitions.
[2022-02-15 11:29:54,583 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2022-02-15 11:29:54,584 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:29:54,584 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:29:54,654 INFO  L225             Difference]: With dead ends: 37275
[2022-02-15 11:29:54,654 INFO  L226             Difference]: Without dead ends: 37275
[2022-02-15 11:29:54,655 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1109 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=734, Invalid=5272, Unknown=0, NotChecked=0, Total=6006
[2022-02-15 11:29:54,656 INFO  L933         BasicCegarLoop]: 1008 mSDtfsCounter, 2140 mSDsluCounter, 21832 mSDsCounter, 0 mSdLazyCounter, 5021 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2140 SdHoareTripleChecker+Valid, 22407 SdHoareTripleChecker+Invalid, 5044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:29:54,656 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2140 Valid, 22407 Invalid, 5044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5021 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:29:54,718 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37275 states.
[2022-02-15 11:29:55,178 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37275 to 22595.
[2022-02-15 11:29:55,206 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22595 states, 22594 states have (on average 2.754625121713729) internal successors, (62238), 22594 states have internal predecessors, (62238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:55,255 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62238 transitions.
[2022-02-15 11:29:55,255 INFO  L78                 Accepts]: Start accepts. Automaton has 22595 states and 62238 transitions. Word has length 199
[2022-02-15 11:29:55,255 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:29:55,255 INFO  L470      AbstractCegarLoop]: Abstraction has 22595 states and 62238 transitions.
[2022-02-15 11:29:55,255 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:55,256 INFO  L276                IsEmpty]: Start isEmpty. Operand 22595 states and 62238 transitions.
[2022-02-15 11:29:55,286 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:29:55,287 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:29:55,287 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:29:55,287 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84
[2022-02-15 11:29:55,287 INFO  L402      AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:29:55,288 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:29:55,288 INFO  L85        PathProgramCache]: Analyzing trace with hash -864292757, now seen corresponding path program 62 times
[2022-02-15 11:29:55,288 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:29:55,288 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270622376]
[2022-02-15 11:29:55,288 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:29:55,288 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:29:55,297 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:29:55,576 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:29:55,577 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:29:55,577 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270622376]
[2022-02-15 11:29:55,577 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270622376] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:29:55,577 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:29:55,577 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:29:55,577 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136226290]
[2022-02-15 11:29:55,577 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:29:55,577 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:29:55,577 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:29:55,578 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:29:55,578 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:29:55,578 INFO  L87              Difference]: Start difference. First operand 22595 states and 62238 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:58,307 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:29:58,308 INFO  L93              Difference]: Finished difference Result 36195 states and 99102 transitions.
[2022-02-15 11:29:58,308 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2022-02-15 11:29:58,308 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:29:58,308 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:29:58,376 INFO  L225             Difference]: With dead ends: 36195
[2022-02-15 11:29:58,376 INFO  L226             Difference]: Without dead ends: 36195
[2022-02-15 11:29:58,377 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1046 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=678, Invalid=5022, Unknown=0, NotChecked=0, Total=5700
[2022-02-15 11:29:58,377 INFO  L933         BasicCegarLoop]: 964 mSDtfsCounter, 2065 mSDsluCounter, 20656 mSDsCounter, 0 mSdLazyCounter, 4773 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2065 SdHoareTripleChecker+Valid, 21370 SdHoareTripleChecker+Invalid, 4796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:29:58,378 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2065 Valid, 21370 Invalid, 4796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4773 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:29:58,437 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 36195 states.
[2022-02-15 11:29:58,813 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 36195 to 22531.
[2022-02-15 11:29:58,840 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22531 states, 22530 states have (on average 2.7532179316466934) internal successors, (62030), 22530 states have internal predecessors, (62030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:58,887 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22531 states to 22531 states and 62030 transitions.
[2022-02-15 11:29:58,887 INFO  L78                 Accepts]: Start accepts. Automaton has 22531 states and 62030 transitions. Word has length 199
[2022-02-15 11:29:58,887 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:29:58,887 INFO  L470      AbstractCegarLoop]: Abstraction has 22531 states and 62030 transitions.
[2022-02-15 11:29:58,887 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:29:58,887 INFO  L276                IsEmpty]: Start isEmpty. Operand 22531 states and 62030 transitions.
[2022-02-15 11:29:58,916 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:29:58,916 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:29:58,916 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:29:58,916 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85
[2022-02-15 11:29:58,917 INFO  L402      AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:29:58,917 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:29:58,917 INFO  L85        PathProgramCache]: Analyzing trace with hash -1241489981, now seen corresponding path program 63 times
[2022-02-15 11:29:58,917 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:29:58,917 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506872758]
[2022-02-15 11:29:58,917 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:29:58,917 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:29:58,925 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:29:59,208 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:29:59,208 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:29:59,208 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506872758]
[2022-02-15 11:29:59,208 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506872758] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:29:59,208 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:29:59,208 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:29:59,208 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074733970]
[2022-02-15 11:29:59,208 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:29:59,209 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:29:59,209 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:29:59,209 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:29:59,209 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:29:59,209 INFO  L87              Difference]: Start difference. First operand 22531 states and 62030 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:01,868 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:30:01,869 INFO  L93              Difference]: Finished difference Result 34240 states and 93577 transitions.
[2022-02-15 11:30:01,869 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-15 11:30:01,869 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:30:01,869 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:30:01,932 INFO  L225             Difference]: With dead ends: 34240
[2022-02-15 11:30:01,932 INFO  L226             Difference]: Without dead ends: 34240
[2022-02-15 11:30:01,933 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=632, Invalid=4480, Unknown=0, NotChecked=0, Total=5112
[2022-02-15 11:30:01,933 INFO  L933         BasicCegarLoop]: 985 mSDtfsCounter, 1725 mSDsluCounter, 21124 mSDsCounter, 0 mSdLazyCounter, 4784 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 21700 SdHoareTripleChecker+Invalid, 4803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:30:01,933 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1725 Valid, 21700 Invalid, 4803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4784 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:30:01,987 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 34240 states.
[2022-02-15 11:30:02,330 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 34240 to 22483.
[2022-02-15 11:30:02,358 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22483 states, 22482 states have (on average 2.7526910417222665) internal successors, (61886), 22482 states have internal predecessors, (61886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:02,405 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22483 states to 22483 states and 61886 transitions.
[2022-02-15 11:30:02,406 INFO  L78                 Accepts]: Start accepts. Automaton has 22483 states and 61886 transitions. Word has length 199
[2022-02-15 11:30:02,406 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:30:02,406 INFO  L470      AbstractCegarLoop]: Abstraction has 22483 states and 61886 transitions.
[2022-02-15 11:30:02,406 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:02,406 INFO  L276                IsEmpty]: Start isEmpty. Operand 22483 states and 61886 transitions.
[2022-02-15 11:30:02,435 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:30:02,436 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:30:02,436 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:30:02,436 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86
[2022-02-15 11:30:02,436 INFO  L402      AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:30:02,436 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:30:02,436 INFO  L85        PathProgramCache]: Analyzing trace with hash -878783293, now seen corresponding path program 64 times
[2022-02-15 11:30:02,436 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:30:02,436 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559910440]
[2022-02-15 11:30:02,437 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:30:02,437 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:30:02,445 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:30:02,741 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:30:02,742 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:30:02,742 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559910440]
[2022-02-15 11:30:02,742 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559910440] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:30:02,742 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:30:02,742 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:30:02,742 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681254927]
[2022-02-15 11:30:02,742 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:30:02,742 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:30:02,742 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:30:02,743 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:30:02,743 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:30:02,743 INFO  L87              Difference]: Start difference. First operand 22483 states and 61886 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:05,661 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:30:05,662 INFO  L93              Difference]: Finished difference Result 37463 states and 102253 transitions.
[2022-02-15 11:30:05,662 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:30:05,662 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:30:05,662 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:30:05,727 INFO  L225             Difference]: With dead ends: 37463
[2022-02-15 11:30:05,728 INFO  L226             Difference]: Without dead ends: 37463
[2022-02-15 11:30:05,728 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1057 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=723, Invalid=5129, Unknown=0, NotChecked=0, Total=5852
[2022-02-15 11:30:05,729 INFO  L933         BasicCegarLoop]: 1027 mSDtfsCounter, 2005 mSDsluCounter, 22189 mSDsCounter, 0 mSdLazyCounter, 5090 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2005 SdHoareTripleChecker+Valid, 22747 SdHoareTripleChecker+Invalid, 5113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:30:05,729 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2005 Valid, 22747 Invalid, 5113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5090 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:30:05,789 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37463 states.
[2022-02-15 11:30:06,149 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37463 to 22595.
[2022-02-15 11:30:06,176 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22595 states, 22594 states have (on average 2.754625121713729) internal successors, (62238), 22594 states have internal predecessors, (62238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:06,222 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62238 transitions.
[2022-02-15 11:30:06,222 INFO  L78                 Accepts]: Start accepts. Automaton has 22595 states and 62238 transitions. Word has length 199
[2022-02-15 11:30:06,222 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:30:06,222 INFO  L470      AbstractCegarLoop]: Abstraction has 22595 states and 62238 transitions.
[2022-02-15 11:30:06,222 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:06,222 INFO  L276                IsEmpty]: Start isEmpty. Operand 22595 states and 62238 transitions.
[2022-02-15 11:30:06,253 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:30:06,253 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:30:06,253 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:30:06,253 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87
[2022-02-15 11:30:06,253 INFO  L402      AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:30:06,253 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:30:06,253 INFO  L85        PathProgramCache]: Analyzing trace with hash 1394385961, now seen corresponding path program 65 times
[2022-02-15 11:30:06,254 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:30:06,254 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459615764]
[2022-02-15 11:30:06,254 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:30:06,254 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:30:06,262 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:30:06,540 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:30:06,541 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:30:06,541 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459615764]
[2022-02-15 11:30:06,541 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459615764] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:30:06,541 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:30:06,541 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:30:06,541 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420435053]
[2022-02-15 11:30:06,541 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:30:06,541 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:30:06,541 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:30:06,542 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:30:06,542 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:30:06,542 INFO  L87              Difference]: Start difference. First operand 22595 states and 62238 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:09,197 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:30:09,197 INFO  L93              Difference]: Finished difference Result 36099 states and 98849 transitions.
[2022-02-15 11:30:09,198 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2022-02-15 11:30:09,198 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:30:09,198 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:30:09,266 INFO  L225             Difference]: With dead ends: 36099
[2022-02-15 11:30:09,266 INFO  L226             Difference]: Without dead ends: 36099
[2022-02-15 11:30:09,267 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 919 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=632, Invalid=4624, Unknown=0, NotChecked=0, Total=5256
[2022-02-15 11:30:09,267 INFO  L933         BasicCegarLoop]: 990 mSDtfsCounter, 2002 mSDsluCounter, 21145 mSDsCounter, 0 mSdLazyCounter, 4784 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 21832 SdHoareTripleChecker+Invalid, 4807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:30:09,267 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2002 Valid, 21832 Invalid, 4807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4784 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:30:09,324 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 36099 states.
[2022-02-15 11:30:09,686 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 36099 to 22531.
[2022-02-15 11:30:09,713 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22531 states, 22530 states have (on average 2.7532179316466934) internal successors, (62030), 22530 states have internal predecessors, (62030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:09,757 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22531 states to 22531 states and 62030 transitions.
[2022-02-15 11:30:09,757 INFO  L78                 Accepts]: Start accepts. Automaton has 22531 states and 62030 transitions. Word has length 199
[2022-02-15 11:30:09,757 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:30:09,757 INFO  L470      AbstractCegarLoop]: Abstraction has 22531 states and 62030 transitions.
[2022-02-15 11:30:09,758 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:09,758 INFO  L276                IsEmpty]: Start isEmpty. Operand 22531 states and 62030 transitions.
[2022-02-15 11:30:09,787 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:30:09,787 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:30:09,787 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:30:09,787 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88
[2022-02-15 11:30:09,787 INFO  L402      AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:30:09,788 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:30:09,788 INFO  L85        PathProgramCache]: Analyzing trace with hash 1743839845, now seen corresponding path program 66 times
[2022-02-15 11:30:09,788 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:30:09,788 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308539718]
[2022-02-15 11:30:09,788 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:30:09,788 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:30:09,796 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:30:10,080 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:30:10,080 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:30:10,080 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308539718]
[2022-02-15 11:30:10,081 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308539718] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:30:10,081 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:30:10,081 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:30:10,081 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537423885]
[2022-02-15 11:30:10,081 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:30:10,081 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:30:10,081 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:30:10,081 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:30:10,081 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:30:10,082 INFO  L87              Difference]: Start difference. First operand 22531 states and 62030 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:12,599 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:30:12,599 INFO  L93              Difference]: Finished difference Result 32883 states and 90158 transitions.
[2022-02-15 11:30:12,599 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-15 11:30:12,600 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:30:12,600 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:30:12,663 INFO  L225             Difference]: With dead ends: 32883
[2022-02-15 11:30:12,663 INFO  L226             Difference]: Without dead ends: 32883
[2022-02-15 11:30:12,664 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=575, Invalid=4117, Unknown=0, NotChecked=0, Total=4692
[2022-02-15 11:30:12,664 INFO  L933         BasicCegarLoop]: 937 mSDtfsCounter, 1701 mSDsluCounter, 19897 mSDsCounter, 0 mSdLazyCounter, 4593 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 20559 SdHoareTripleChecker+Invalid, 4612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:30:12,664 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1701 Valid, 20559 Invalid, 4612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4593 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:30:12,720 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 32883 states.
[2022-02-15 11:30:13,130 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 32883 to 22447.
[2022-02-15 11:30:13,157 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22447 states, 22446 states have (on average 2.752695357747483) internal successors, (61787), 22446 states have internal predecessors, (61787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:13,203 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22447 states to 22447 states and 61787 transitions.
[2022-02-15 11:30:13,203 INFO  L78                 Accepts]: Start accepts. Automaton has 22447 states and 61787 transitions. Word has length 199
[2022-02-15 11:30:13,203 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:30:13,203 INFO  L470      AbstractCegarLoop]: Abstraction has 22447 states and 61787 transitions.
[2022-02-15 11:30:13,203 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:13,203 INFO  L276                IsEmpty]: Start isEmpty. Operand 22447 states and 61787 transitions.
[2022-02-15 11:30:13,233 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:30:13,233 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:30:13,233 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:30:13,233 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89
[2022-02-15 11:30:13,233 INFO  L402      AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:30:13,234 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:30:13,234 INFO  L85        PathProgramCache]: Analyzing trace with hash 196946853, now seen corresponding path program 67 times
[2022-02-15 11:30:13,234 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:30:13,234 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029727861]
[2022-02-15 11:30:13,234 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:30:13,234 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:30:13,242 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:30:13,517 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:30:13,517 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:30:13,517 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029727861]
[2022-02-15 11:30:13,517 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029727861] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:30:13,517 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:30:13,517 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:30:13,517 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369087934]
[2022-02-15 11:30:13,517 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:30:13,518 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:30:13,518 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:30:13,518 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:30:13,518 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:30:13,518 INFO  L87              Difference]: Start difference. First operand 22447 states and 61787 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:16,485 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:30:16,485 INFO  L93              Difference]: Finished difference Result 37135 states and 101381 transitions.
[2022-02-15 11:30:16,486 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2022-02-15 11:30:16,486 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:30:16,486 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:30:16,558 INFO  L225             Difference]: With dead ends: 37135
[2022-02-15 11:30:16,558 INFO  L226             Difference]: Without dead ends: 37135
[2022-02-15 11:30:16,559 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1233 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=812, Invalid=5668, Unknown=0, NotChecked=0, Total=6480
[2022-02-15 11:30:16,559 INFO  L933         BasicCegarLoop]: 1040 mSDtfsCounter, 2274 mSDsluCounter, 22464 mSDsCounter, 0 mSdLazyCounter, 5035 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2274 SdHoareTripleChecker+Valid, 23033 SdHoareTripleChecker+Invalid, 5058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:30:16,559 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2274 Valid, 23033 Invalid, 5058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5035 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:30:16,622 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37135 states.
[2022-02-15 11:30:17,016 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37135 to 22575.
[2022-02-15 11:30:17,043 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22575 states, 22574 states have (on average 2.7548064144591122) internal successors, (62187), 22574 states have internal predecessors, (62187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:17,091 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22575 states to 22575 states and 62187 transitions.
[2022-02-15 11:30:17,091 INFO  L78                 Accepts]: Start accepts. Automaton has 22575 states and 62187 transitions. Word has length 199
[2022-02-15 11:30:17,091 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:30:17,091 INFO  L470      AbstractCegarLoop]: Abstraction has 22575 states and 62187 transitions.
[2022-02-15 11:30:17,091 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:17,091 INFO  L276                IsEmpty]: Start isEmpty. Operand 22575 states and 62187 transitions.
[2022-02-15 11:30:17,121 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:30:17,122 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:30:17,122 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:30:17,122 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90
[2022-02-15 11:30:17,122 INFO  L402      AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:30:17,122 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:30:17,122 INFO  L85        PathProgramCache]: Analyzing trace with hash -1824851189, now seen corresponding path program 68 times
[2022-02-15 11:30:17,122 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:30:17,123 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593739712]
[2022-02-15 11:30:17,123 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:30:17,123 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:30:17,131 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:30:17,411 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:30:17,412 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:30:17,412 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593739712]
[2022-02-15 11:30:17,412 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593739712] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:30:17,412 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:30:17,412 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:30:17,412 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130498039]
[2022-02-15 11:30:17,412 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:30:17,412 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:30:17,412 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:30:17,412 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:30:17,413 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:30:17,413 INFO  L87              Difference]: Start difference. First operand 22575 states and 62187 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:20,155 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:30:20,156 INFO  L93              Difference]: Finished difference Result 36011 states and 98596 transitions.
[2022-02-15 11:30:20,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:30:20,156 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:30:20,156 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:30:20,221 INFO  L225             Difference]: With dead ends: 36011
[2022-02-15 11:30:20,221 INFO  L226             Difference]: Without dead ends: 36011
[2022-02-15 11:30:20,222 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1083 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=713, Invalid=5139, Unknown=0, NotChecked=0, Total=5852
[2022-02-15 11:30:20,222 INFO  L933         BasicCegarLoop]: 982 mSDtfsCounter, 2177 mSDsluCounter, 21001 mSDsCounter, 0 mSdLazyCounter, 4770 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2177 SdHoareTripleChecker+Valid, 21711 SdHoareTripleChecker+Invalid, 4793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:30:20,222 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2177 Valid, 21711 Invalid, 4793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4770 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:30:20,276 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 36011 states.
[2022-02-15 11:30:20,632 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 36011 to 22515.
[2022-02-15 11:30:20,659 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22515 states, 22514 states have (on average 2.753575552989251) internal successors, (61994), 22514 states have internal predecessors, (61994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:20,704 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22515 states to 22515 states and 61994 transitions.
[2022-02-15 11:30:20,704 INFO  L78                 Accepts]: Start accepts. Automaton has 22515 states and 61994 transitions. Word has length 199
[2022-02-15 11:30:20,704 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:30:20,704 INFO  L470      AbstractCegarLoop]: Abstraction has 22515 states and 61994 transitions.
[2022-02-15 11:30:20,705 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:20,705 INFO  L276                IsEmpty]: Start isEmpty. Operand 22515 states and 61994 transitions.
[2022-02-15 11:30:20,733 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:30:20,733 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:30:20,733 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:30:20,733 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91
[2022-02-15 11:30:20,733 INFO  L402      AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:30:20,733 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:30:20,733 INFO  L85        PathProgramCache]: Analyzing trace with hash 2092918883, now seen corresponding path program 69 times
[2022-02-15 11:30:20,734 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:30:20,734 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705931650]
[2022-02-15 11:30:20,734 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:30:20,734 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:30:20,742 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:30:21,030 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:30:21,030 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:30:21,030 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705931650]
[2022-02-15 11:30:21,030 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705931650] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:30:21,030 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:30:21,030 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:30:21,030 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884485755]
[2022-02-15 11:30:21,030 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:30:21,031 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:30:21,031 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:30:21,031 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:30:21,031 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:30:21,031 INFO  L87              Difference]: Start difference. First operand 22515 states and 61994 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:23,760 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:30:23,761 INFO  L93              Difference]: Finished difference Result 34128 states and 93265 transitions.
[2022-02-15 11:30:23,761 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-15 11:30:23,761 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:30:23,761 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:30:23,824 INFO  L225             Difference]: With dead ends: 34128
[2022-02-15 11:30:23,825 INFO  L226             Difference]: Without dead ends: 34128
[2022-02-15 11:30:23,825 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 972 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=696, Invalid=4854, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:30:23,826 INFO  L933         BasicCegarLoop]: 1017 mSDtfsCounter, 1818 mSDsluCounter, 21733 mSDsCounter, 0 mSdLazyCounter, 4807 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1818 SdHoareTripleChecker+Valid, 22304 SdHoareTripleChecker+Invalid, 4826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:30:23,826 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1818 Valid, 22304 Invalid, 4826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4807 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:30:23,881 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 34128 states.
[2022-02-15 11:30:24,201 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 34128 to 22467.
[2022-02-15 11:30:24,227 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22467 states, 22466 states have (on average 2.75304905190065) internal successors, (61850), 22466 states have internal predecessors, (61850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:24,270 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22467 states to 22467 states and 61850 transitions.
[2022-02-15 11:30:24,270 INFO  L78                 Accepts]: Start accepts. Automaton has 22467 states and 61850 transitions. Word has length 199
[2022-02-15 11:30:24,270 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:30:24,270 INFO  L470      AbstractCegarLoop]: Abstraction has 22467 states and 61850 transitions.
[2022-02-15 11:30:24,270 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:24,270 INFO  L276                IsEmpty]: Start isEmpty. Operand 22467 states and 61850 transitions.
[2022-02-15 11:30:24,298 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:30:24,298 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:30:24,299 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:30:24,299 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92
[2022-02-15 11:30:24,299 INFO  L402      AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:30:24,299 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:30:24,299 INFO  L85        PathProgramCache]: Analyzing trace with hash 1746717073, now seen corresponding path program 70 times
[2022-02-15 11:30:24,299 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:30:24,299 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126587033]
[2022-02-15 11:30:24,299 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:30:24,299 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:30:24,307 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:30:24,586 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:30:24,586 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:30:24,586 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126587033]
[2022-02-15 11:30:24,586 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126587033] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:30:24,586 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:30:24,586 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:30:24,586 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368252252]
[2022-02-15 11:30:24,586 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:30:24,587 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:30:24,587 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:30:24,587 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:30:24,587 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:30:24,587 INFO  L87              Difference]: Start difference. First operand 22467 states and 61850 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:27,350 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:30:27,350 INFO  L93              Difference]: Finished difference Result 35242 states and 96056 transitions.
[2022-02-15 11:30:27,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-15 11:30:27,351 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:30:27,351 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:30:27,415 INFO  L225             Difference]: With dead ends: 35242
[2022-02-15 11:30:27,416 INFO  L226             Difference]: Without dead ends: 35242
[2022-02-15 11:30:27,416 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=701, Invalid=4849, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:30:27,417 INFO  L933         BasicCegarLoop]: 1040 mSDtfsCounter, 2020 mSDsluCounter, 22253 mSDsCounter, 0 mSdLazyCounter, 4784 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 22805 SdHoareTripleChecker+Invalid, 4803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:30:27,417 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2020 Valid, 22805 Invalid, 4803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4784 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:30:27,475 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 35242 states.
[2022-02-15 11:30:27,830 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 35242 to 22511.
[2022-02-15 11:30:27,856 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22511 states, 22510 states have (on average 2.7528653931585962) internal successors, (61967), 22510 states have internal predecessors, (61967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:27,903 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions.
[2022-02-15 11:30:27,903 INFO  L78                 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199
[2022-02-15 11:30:27,903 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:30:27,903 INFO  L470      AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions.
[2022-02-15 11:30:27,903 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:27,903 INFO  L276                IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions.
[2022-02-15 11:30:27,933 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:30:27,933 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:30:27,933 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:30:27,933 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93
[2022-02-15 11:30:27,933 INFO  L402      AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:30:27,934 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:30:27,934 INFO  L85        PathProgramCache]: Analyzing trace with hash 1664338851, now seen corresponding path program 71 times
[2022-02-15 11:30:27,934 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:30:27,934 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033356599]
[2022-02-15 11:30:27,934 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:30:27,934 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:30:27,951 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:30:28,233 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:30:28,233 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:30:28,233 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033356599]
[2022-02-15 11:30:28,233 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033356599] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:30:28,233 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:30:28,233 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:30:28,233 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418642884]
[2022-02-15 11:30:28,233 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:30:28,233 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:30:28,234 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:30:28,234 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:30:28,234 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:30:28,234 INFO  L87              Difference]: Start difference. First operand 22511 states and 61967 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:31,033 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:30:31,034 INFO  L93              Difference]: Finished difference Result 37827 states and 103284 transitions.
[2022-02-15 11:30:31,034 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-15 11:30:31,034 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:30:31,034 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:30:31,216 INFO  L225             Difference]: With dead ends: 37827
[2022-02-15 11:30:31,217 INFO  L226             Difference]: Without dead ends: 37827
[2022-02-15 11:30:31,217 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=680, Invalid=4870, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:30:31,217 INFO  L933         BasicCegarLoop]: 995 mSDtfsCounter, 2110 mSDsluCounter, 21525 mSDsCounter, 0 mSdLazyCounter, 4962 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2110 SdHoareTripleChecker+Valid, 22124 SdHoareTripleChecker+Invalid, 4985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:30:31,217 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2110 Valid, 22124 Invalid, 4985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4962 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:30:31,272 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37827 states.
[2022-02-15 11:30:31,638 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37827 to 22671.
[2022-02-15 11:30:31,665 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22671 states, 22670 states have (on average 2.754786060873401) internal successors, (62451), 22670 states have internal predecessors, (62451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:31,713 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22671 states to 22671 states and 62451 transitions.
[2022-02-15 11:30:31,713 INFO  L78                 Accepts]: Start accepts. Automaton has 22671 states and 62451 transitions. Word has length 199
[2022-02-15 11:30:31,713 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:30:31,713 INFO  L470      AbstractCegarLoop]: Abstraction has 22671 states and 62451 transitions.
[2022-02-15 11:30:31,713 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:31,713 INFO  L276                IsEmpty]: Start isEmpty. Operand 22671 states and 62451 transitions.
[2022-02-15 11:30:31,743 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:30:31,743 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:30:31,743 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:30:31,744 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94
[2022-02-15 11:30:31,744 INFO  L402      AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:30:31,744 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:30:31,744 INFO  L85        PathProgramCache]: Analyzing trace with hash -357459191, now seen corresponding path program 72 times
[2022-02-15 11:30:31,745 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:30:31,745 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483953866]
[2022-02-15 11:30:31,745 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:30:31,745 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:30:31,754 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:30:32,029 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:30:32,029 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:30:32,029 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483953866]
[2022-02-15 11:30:32,030 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483953866] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:30:32,030 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:30:32,030 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:30:32,030 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564936582]
[2022-02-15 11:30:32,030 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:30:32,030 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:30:32,030 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:30:32,030 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:30:32,031 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:30:32,031 INFO  L87              Difference]: Start difference. First operand 22671 states and 62451 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:34,733 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:30:34,733 INFO  L93              Difference]: Finished difference Result 36923 states and 101084 transitions.
[2022-02-15 11:30:34,733 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-15 11:30:34,734 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:30:34,734 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:30:34,800 INFO  L225             Difference]: With dead ends: 36923
[2022-02-15 11:30:34,800 INFO  L226             Difference]: Without dead ends: 36923
[2022-02-15 11:30:34,801 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 998 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=667, Invalid=4883, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:30:34,801 INFO  L933         BasicCegarLoop]: 980 mSDtfsCounter, 2015 mSDsluCounter, 20869 mSDsCounter, 0 mSdLazyCounter, 4805 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2015 SdHoareTripleChecker+Valid, 21618 SdHoareTripleChecker+Invalid, 4828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:30:34,801 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2015 Valid, 21618 Invalid, 4828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4805 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:30:34,857 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 36923 states.
[2022-02-15 11:30:35,233 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 36923 to 22607.
[2022-02-15 11:30:35,259 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22607 states, 22606 states have (on average 2.7533840573299124) internal successors, (62243), 22606 states have internal predecessors, (62243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:35,303 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22607 states to 22607 states and 62243 transitions.
[2022-02-15 11:30:35,303 INFO  L78                 Accepts]: Start accepts. Automaton has 22607 states and 62243 transitions. Word has length 199
[2022-02-15 11:30:35,303 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:30:35,303 INFO  L470      AbstractCegarLoop]: Abstraction has 22607 states and 62243 transitions.
[2022-02-15 11:30:35,304 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:35,304 INFO  L276                IsEmpty]: Start isEmpty. Operand 22607 states and 62243 transitions.
[2022-02-15 11:30:35,332 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:30:35,332 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:30:35,332 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:30:35,333 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95
[2022-02-15 11:30:35,333 INFO  L402      AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:30:35,333 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:30:35,333 INFO  L85        PathProgramCache]: Analyzing trace with hash -734656415, now seen corresponding path program 73 times
[2022-02-15 11:30:35,333 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:30:35,333 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476279539]
[2022-02-15 11:30:35,333 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:30:35,333 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:30:35,342 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:30:35,618 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:30:35,618 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:30:35,618 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476279539]
[2022-02-15 11:30:35,618 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476279539] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:30:35,618 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:30:35,618 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:30:35,618 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093507266]
[2022-02-15 11:30:35,618 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:30:35,618 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:30:35,618 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:30:35,619 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:30:35,619 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:30:35,619 INFO  L87              Difference]: Start difference. First operand 22607 states and 62243 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:38,197 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:30:38,197 INFO  L93              Difference]: Finished difference Result 34792 states and 95091 transitions.
[2022-02-15 11:30:38,198 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-02-15 11:30:38,198 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:30:38,198 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:30:38,263 INFO  L225             Difference]: With dead ends: 34792
[2022-02-15 11:30:38,263 INFO  L226             Difference]: Without dead ends: 34792
[2022-02-15 11:30:38,264 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=619, Invalid=4351, Unknown=0, NotChecked=0, Total=4970
[2022-02-15 11:30:38,264 INFO  L933         BasicCegarLoop]: 975 mSDtfsCounter, 1721 mSDsluCounter, 20865 mSDsCounter, 0 mSdLazyCounter, 4722 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1721 SdHoareTripleChecker+Valid, 21468 SdHoareTripleChecker+Invalid, 4741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:30:38,264 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1721 Valid, 21468 Invalid, 4741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4722 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:30:38,321 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 34792 states.
[2022-02-15 11:30:38,656 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 34792 to 22559.
[2022-02-15 11:30:38,682 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22559 states, 22558 states have (on average 2.7528592960368825) internal successors, (62099), 22558 states have internal predecessors, (62099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:38,726 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22559 states to 22559 states and 62099 transitions.
[2022-02-15 11:30:38,726 INFO  L78                 Accepts]: Start accepts. Automaton has 22559 states and 62099 transitions. Word has length 199
[2022-02-15 11:30:38,726 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:30:38,726 INFO  L470      AbstractCegarLoop]: Abstraction has 22559 states and 62099 transitions.
[2022-02-15 11:30:38,726 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:38,726 INFO  L276                IsEmpty]: Start isEmpty. Operand 22559 states and 62099 transitions.
[2022-02-15 11:30:38,754 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:30:38,755 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:30:38,755 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:30:38,755 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96
[2022-02-15 11:30:38,755 INFO  L402      AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:30:38,755 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:30:38,755 INFO  L85        PathProgramCache]: Analyzing trace with hash -371949727, now seen corresponding path program 74 times
[2022-02-15 11:30:38,755 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:30:38,755 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287805138]
[2022-02-15 11:30:38,755 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:30:38,756 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:30:38,763 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:30:39,064 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:30:39,065 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:30:39,065 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287805138]
[2022-02-15 11:30:39,065 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287805138] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:30:39,065 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:30:39,065 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:30:39,065 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953247404]
[2022-02-15 11:30:39,065 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:30:39,065 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:30:39,065 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:30:39,065 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:30:39,066 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:30:39,066 INFO  L87              Difference]: Start difference. First operand 22559 states and 62099 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:41,965 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:30:41,965 INFO  L93              Difference]: Finished difference Result 38031 states and 103811 transitions.
[2022-02-15 11:30:41,966 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2022-02-15 11:30:41,966 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:30:41,966 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:30:42,035 INFO  L225             Difference]: With dead ends: 38031
[2022-02-15 11:30:42,036 INFO  L226             Difference]: Without dead ends: 38031
[2022-02-15 11:30:42,037 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1109 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=734, Invalid=5272, Unknown=0, NotChecked=0, Total=6006
[2022-02-15 11:30:42,038 INFO  L933         BasicCegarLoop]: 1017 mSDtfsCounter, 2033 mSDsluCounter, 21995 mSDsCounter, 0 mSdLazyCounter, 5050 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2033 SdHoareTripleChecker+Valid, 22578 SdHoareTripleChecker+Invalid, 5073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:30:42,038 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2033 Valid, 22578 Invalid, 5073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5050 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:30:42,099 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38031 states.
[2022-02-15 11:30:42,487 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38031 to 22671.
[2022-02-15 11:30:42,514 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22671 states, 22670 states have (on average 2.754786060873401) internal successors, (62451), 22670 states have internal predecessors, (62451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:42,562 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22671 states to 22671 states and 62451 transitions.
[2022-02-15 11:30:42,563 INFO  L78                 Accepts]: Start accepts. Automaton has 22671 states and 62451 transitions. Word has length 199
[2022-02-15 11:30:42,563 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:30:42,563 INFO  L470      AbstractCegarLoop]: Abstraction has 22671 states and 62451 transitions.
[2022-02-15 11:30:42,563 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:42,563 INFO  L276                IsEmpty]: Start isEmpty. Operand 22671 states and 62451 transitions.
[2022-02-15 11:30:42,593 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:30:42,593 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:30:42,594 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:30:42,594 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97
[2022-02-15 11:30:42,594 INFO  L402      AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:30:42,594 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:30:42,594 INFO  L85        PathProgramCache]: Analyzing trace with hash 1901219527, now seen corresponding path program 75 times
[2022-02-15 11:30:42,594 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:30:42,594 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627206530]
[2022-02-15 11:30:42,594 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:30:42,594 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:30:42,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:30:42,886 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:30:42,886 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:30:42,886 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627206530]
[2022-02-15 11:30:42,887 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627206530] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:30:42,887 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:30:42,887 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:30:42,887 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226958646]
[2022-02-15 11:30:42,887 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:30:42,887 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:30:42,887 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:30:42,887 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:30:42,887 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:30:42,888 INFO  L87              Difference]: Start difference. First operand 22671 states and 62451 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:45,648 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:30:45,648 INFO  L93              Difference]: Finished difference Result 36843 states and 100875 transitions.
[2022-02-15 11:30:45,648 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2022-02-15 11:30:45,648 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:30:45,649 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:30:45,717 INFO  L225             Difference]: With dead ends: 36843
[2022-02-15 11:30:45,718 INFO  L226             Difference]: Without dead ends: 36843
[2022-02-15 11:30:45,718 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1046 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=678, Invalid=5022, Unknown=0, NotChecked=0, Total=5700
[2022-02-15 11:30:45,719 INFO  L933         BasicCegarLoop]: 1009 mSDtfsCounter, 2024 mSDsluCounter, 21469 mSDsCounter, 0 mSdLazyCounter, 4833 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2024 SdHoareTripleChecker+Valid, 22193 SdHoareTripleChecker+Invalid, 4856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:30:45,719 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2024 Valid, 22193 Invalid, 4856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4833 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:30:45,776 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 36843 states.
[2022-02-15 11:30:46,150 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 36843 to 22607.
[2022-02-15 11:30:46,176 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22607 states, 22606 states have (on average 2.7533840573299124) internal successors, (62243), 22606 states have internal predecessors, (62243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:46,223 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22607 states to 22607 states and 62243 transitions.
[2022-02-15 11:30:46,223 INFO  L78                 Accepts]: Start accepts. Automaton has 22607 states and 62243 transitions. Word has length 199
[2022-02-15 11:30:46,223 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:30:46,223 INFO  L470      AbstractCegarLoop]: Abstraction has 22607 states and 62243 transitions.
[2022-02-15 11:30:46,224 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:46,224 INFO  L276                IsEmpty]: Start isEmpty. Operand 22607 states and 62243 transitions.
[2022-02-15 11:30:46,253 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:30:46,253 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:30:46,253 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:30:46,254 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98
[2022-02-15 11:30:46,254 INFO  L402      AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:30:46,254 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:30:46,254 INFO  L85        PathProgramCache]: Analyzing trace with hash -2044293885, now seen corresponding path program 76 times
[2022-02-15 11:30:46,254 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:30:46,254 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836511601]
[2022-02-15 11:30:46,254 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:30:46,254 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:30:46,263 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:30:46,559 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:30:46,560 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:30:46,560 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836511601]
[2022-02-15 11:30:46,560 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836511601] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:30:46,560 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:30:46,560 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:30:46,560 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602843954]
[2022-02-15 11:30:46,560 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:30:46,560 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:30:46,560 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:30:46,561 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:30:46,561 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:30:46,561 INFO  L87              Difference]: Start difference. First operand 22607 states and 62243 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:49,196 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:30:49,197 INFO  L93              Difference]: Finished difference Result 33584 states and 92072 transitions.
[2022-02-15 11:30:49,197 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-02-15 11:30:49,197 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:30:49,197 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:30:49,256 INFO  L225             Difference]: With dead ends: 33584
[2022-02-15 11:30:49,256 INFO  L226             Difference]: Without dead ends: 33584
[2022-02-15 11:30:49,256 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 803 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=584, Invalid=4246, Unknown=0, NotChecked=0, Total=4830
[2022-02-15 11:30:49,256 INFO  L933         BasicCegarLoop]: 953 mSDtfsCounter, 1699 mSDsluCounter, 20175 mSDsCounter, 0 mSdLazyCounter, 4646 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 20871 SdHoareTripleChecker+Invalid, 4665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:30:49,257 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1699 Valid, 20871 Invalid, 4665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4646 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:30:49,304 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 33584 states.
[2022-02-15 11:30:49,616 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 33584 to 22523.
[2022-02-15 11:30:49,642 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22523 states, 22522 states have (on average 2.7528638664417016) internal successors, (62000), 22522 states have internal predecessors, (62000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:49,689 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22523 states to 22523 states and 62000 transitions.
[2022-02-15 11:30:49,689 INFO  L78                 Accepts]: Start accepts. Automaton has 22523 states and 62000 transitions. Word has length 199
[2022-02-15 11:30:49,689 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:30:49,689 INFO  L470      AbstractCegarLoop]: Abstraction has 22523 states and 62000 transitions.
[2022-02-15 11:30:49,689 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:49,689 INFO  L276                IsEmpty]: Start isEmpty. Operand 22523 states and 62000 transitions.
[2022-02-15 11:30:49,717 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:30:49,717 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:30:49,718 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:30:49,718 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99
[2022-02-15 11:30:49,718 INFO  L402      AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:30:49,718 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:30:49,718 INFO  L85        PathProgramCache]: Analyzing trace with hash -1224668251, now seen corresponding path program 77 times
[2022-02-15 11:30:49,718 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:30:49,718 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145827811]
[2022-02-15 11:30:49,718 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:30:49,718 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:30:49,729 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:30:50,008 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:30:50,008 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:30:50,008 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145827811]
[2022-02-15 11:30:50,008 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145827811] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:30:50,009 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:30:50,009 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:30:50,009 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495318339]
[2022-02-15 11:30:50,009 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:30:50,009 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:30:50,009 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:30:50,009 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:30:50,009 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:30:50,010 INFO  L87              Difference]: Start difference. First operand 22523 states and 62000 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:53,089 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:30:53,090 INFO  L93              Difference]: Finished difference Result 41861 states and 114085 transitions.
[2022-02-15 11:30:53,090 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2022-02-15 11:30:53,090 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:30:53,090 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:30:53,168 INFO  L225             Difference]: With dead ends: 41861
[2022-02-15 11:30:53,169 INFO  L226             Difference]: Without dead ends: 41861
[2022-02-15 11:30:53,169 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1232 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=812, Invalid=5668, Unknown=0, NotChecked=0, Total=6480
[2022-02-15 11:30:53,170 INFO  L933         BasicCegarLoop]: 1074 mSDtfsCounter, 2214 mSDsluCounter, 23128 mSDsCounter, 0 mSdLazyCounter, 5284 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2214 SdHoareTripleChecker+Valid, 23730 SdHoareTripleChecker+Invalid, 5307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:30:53,170 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2214 Valid, 23730 Invalid, 5307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5284 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:30:53,235 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41861 states.
[2022-02-15 11:30:53,670 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41861 to 22651.
[2022-02-15 11:30:53,697 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22651 states, 22650 states have (on average 2.7549668874172184) internal successors, (62400), 22650 states have internal predecessors, (62400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:53,743 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22651 states to 22651 states and 62400 transitions.
[2022-02-15 11:30:53,743 INFO  L78                 Accepts]: Start accepts. Automaton has 22651 states and 62400 transitions. Word has length 199
[2022-02-15 11:30:53,743 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:30:53,743 INFO  L470      AbstractCegarLoop]: Abstraction has 22651 states and 62400 transitions.
[2022-02-15 11:30:53,743 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:53,743 INFO  L276                IsEmpty]: Start isEmpty. Operand 22651 states and 62400 transitions.
[2022-02-15 11:30:53,772 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:30:53,773 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:30:53,773 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:30:53,773 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100
[2022-02-15 11:30:53,773 INFO  L402      AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:30:53,773 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:30:53,773 INFO  L85        PathProgramCache]: Analyzing trace with hash 1048501003, now seen corresponding path program 78 times
[2022-02-15 11:30:53,773 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:30:53,773 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601547345]
[2022-02-15 11:30:53,773 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:30:53,773 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:30:53,781 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:30:54,058 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:30:54,058 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:30:54,058 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601547345]
[2022-02-15 11:30:54,058 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601547345] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:30:54,059 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:30:54,059 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:30:54,059 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220905353]
[2022-02-15 11:30:54,059 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:30:54,059 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:30:54,059 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:30:54,059 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:30:54,059 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:30:54,060 INFO  L87              Difference]: Start difference. First operand 22651 states and 62400 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:56,976 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:30:56,976 INFO  L93              Difference]: Finished difference Result 40458 states and 110594 transitions.
[2022-02-15 11:30:56,976 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-15 11:30:56,976 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:30:56,976 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:30:57,052 INFO  L225             Difference]: With dead ends: 40458
[2022-02-15 11:30:57,052 INFO  L226             Difference]: Without dead ends: 40458
[2022-02-15 11:30:57,053 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1220 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=766, Invalid=5554, Unknown=0, NotChecked=0, Total=6320
[2022-02-15 11:30:57,053 INFO  L933         BasicCegarLoop]: 1078 mSDtfsCounter, 2186 mSDsluCounter, 22786 mSDsCounter, 0 mSdLazyCounter, 5010 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2186 SdHoareTripleChecker+Valid, 23540 SdHoareTripleChecker+Invalid, 5033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:30:57,053 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2186 Valid, 23540 Invalid, 5033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5010 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:30:57,119 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40458 states.
[2022-02-15 11:30:57,499 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40458 to 22587.
[2022-02-15 11:30:57,525 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22587 states, 22586 states have (on average 2.753564154786151) internal successors, (62192), 22586 states have internal predecessors, (62192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:57,569 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22587 states to 22587 states and 62192 transitions.
[2022-02-15 11:30:57,569 INFO  L78                 Accepts]: Start accepts. Automaton has 22587 states and 62192 transitions. Word has length 199
[2022-02-15 11:30:57,570 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:30:57,570 INFO  L470      AbstractCegarLoop]: Abstraction has 22587 states and 62192 transitions.
[2022-02-15 11:30:57,570 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:30:57,570 INFO  L276                IsEmpty]: Start isEmpty. Operand 22587 states and 62192 transitions.
[2022-02-15 11:30:57,599 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:30:57,599 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:30:57,600 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:30:57,600 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101
[2022-02-15 11:30:57,600 INFO  L402      AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:30:57,600 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:30:57,600 INFO  L85        PathProgramCache]: Analyzing trace with hash 1397954887, now seen corresponding path program 79 times
[2022-02-15 11:30:57,600 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:30:57,600 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213763058]
[2022-02-15 11:30:57,600 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:30:57,600 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:30:57,608 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:30:57,886 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:30:57,886 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:30:57,886 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213763058]
[2022-02-15 11:30:57,886 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213763058] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:30:57,886 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:30:57,886 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:30:57,886 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366996871]
[2022-02-15 11:30:57,886 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:30:57,887 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:30:57,887 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:30:57,887 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:30:57,887 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:30:57,887 INFO  L87              Difference]: Start difference. First operand 22587 states and 62192 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:00,569 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:31:00,569 INFO  L93              Difference]: Finished difference Result 36628 states and 100347 transitions.
[2022-02-15 11:31:00,569 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2022-02-15 11:31:00,569 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:31:00,569 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:31:00,641 INFO  L225             Difference]: With dead ends: 36628
[2022-02-15 11:31:00,641 INFO  L226             Difference]: Without dead ends: 36628
[2022-02-15 11:31:00,642 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=640, Invalid=4616, Unknown=0, NotChecked=0, Total=5256
[2022-02-15 11:31:00,642 INFO  L933         BasicCegarLoop]: 1023 mSDtfsCounter, 1896 mSDsluCounter, 21487 mSDsCounter, 0 mSdLazyCounter, 4834 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1896 SdHoareTripleChecker+Valid, 22217 SdHoareTripleChecker+Invalid, 4853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:31:00,642 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1896 Valid, 22217 Invalid, 4853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4834 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:31:00,702 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 36628 states.
[2022-02-15 11:31:01,104 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 36628 to 22539.
[2022-02-15 11:31:01,131 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22539 states, 22538 states have (on average 2.753039311385216) internal successors, (62048), 22538 states have internal predecessors, (62048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:01,178 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22539 states to 22539 states and 62048 transitions.
[2022-02-15 11:31:01,179 INFO  L78                 Accepts]: Start accepts. Automaton has 22539 states and 62048 transitions. Word has length 199
[2022-02-15 11:31:01,179 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:31:01,179 INFO  L470      AbstractCegarLoop]: Abstraction has 22539 states and 62048 transitions.
[2022-02-15 11:31:01,179 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:01,179 INFO  L276                IsEmpty]: Start isEmpty. Operand 22539 states and 62048 transitions.
[2022-02-15 11:31:01,209 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:31:01,210 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:31:01,210 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:31:01,210 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102
[2022-02-15 11:31:01,210 INFO  L402      AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:31:01,210 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:31:01,210 INFO  L85        PathProgramCache]: Analyzing trace with hash -1894640429, now seen corresponding path program 80 times
[2022-02-15 11:31:01,210 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:31:01,210 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128510631]
[2022-02-15 11:31:01,211 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:31:01,211 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:31:01,221 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:31:01,500 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:31:01,501 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:31:01,501 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128510631]
[2022-02-15 11:31:01,501 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128510631] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:31:01,501 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:31:01,501 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:31:01,501 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572226480]
[2022-02-15 11:31:01,501 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:31:01,501 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:31:01,501 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:31:01,501 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:31:01,502 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:31:01,502 INFO  L87              Difference]: Start difference. First operand 22539 states and 62048 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:04,170 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:31:04,171 INFO  L93              Difference]: Finished difference Result 37362 states and 102041 transitions.
[2022-02-15 11:31:04,171 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2022-02-15 11:31:04,171 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:31:04,171 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:31:04,241 INFO  L225             Difference]: With dead ends: 37362
[2022-02-15 11:31:04,241 INFO  L226             Difference]: Without dead ends: 37362
[2022-02-15 11:31:04,242 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 913 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=641, Invalid=4615, Unknown=0, NotChecked=0, Total=5256
[2022-02-15 11:31:04,242 INFO  L933         BasicCegarLoop]: 1052 mSDtfsCounter, 1846 mSDsluCounter, 22087 mSDsCounter, 0 mSdLazyCounter, 4772 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 22825 SdHoareTripleChecker+Invalid, 4791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:31:04,242 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1846 Valid, 22825 Invalid, 4791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4772 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:31:04,306 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37362 states.
[2022-02-15 11:31:04,666 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37362 to 22511.
[2022-02-15 11:31:04,692 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22511 states, 22510 states have (on average 2.7528653931585962) internal successors, (61967), 22510 states have internal predecessors, (61967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:04,739 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions.
[2022-02-15 11:31:04,739 INFO  L78                 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199
[2022-02-15 11:31:04,739 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:31:04,739 INFO  L470      AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions.
[2022-02-15 11:31:04,739 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:04,739 INFO  L276                IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions.
[2022-02-15 11:31:04,769 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:31:04,769 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:31:04,769 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:31:04,769 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103
[2022-02-15 11:31:04,769 INFO  L402      AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:31:04,769 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:31:04,769 INFO  L85        PathProgramCache]: Analyzing trace with hash -1617964849, now seen corresponding path program 81 times
[2022-02-15 11:31:04,769 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:31:04,770 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887208691]
[2022-02-15 11:31:04,770 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:31:04,770 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:31:04,778 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:31:05,063 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:31:05,063 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:31:05,063 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887208691]
[2022-02-15 11:31:05,063 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887208691] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:31:05,063 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:31:05,063 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:31:05,063 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833404525]
[2022-02-15 11:31:05,063 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:31:05,064 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:31:05,064 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:31:05,064 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:31:05,064 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:31:05,064 INFO  L87              Difference]: Start difference. First operand 22511 states and 61967 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:08,244 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:31:08,244 INFO  L93              Difference]: Finished difference Result 44752 states and 121950 transitions.
[2022-02-15 11:31:08,244 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-15 11:31:08,245 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:31:08,245 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:31:08,323 INFO  L225             Difference]: With dead ends: 44752
[2022-02-15 11:31:08,323 INFO  L226             Difference]: Without dead ends: 44752
[2022-02-15 11:31:08,324 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1302 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=803, Invalid=5839, Unknown=0, NotChecked=0, Total=6642
[2022-02-15 11:31:08,324 INFO  L933         BasicCegarLoop]: 1073 mSDtfsCounter, 2311 mSDsluCounter, 23376 mSDsCounter, 0 mSdLazyCounter, 5438 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2311 SdHoareTripleChecker+Valid, 24011 SdHoareTripleChecker+Invalid, 5461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2022-02-15 11:31:08,324 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2311 Valid, 24011 Invalid, 5461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5438 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2022-02-15 11:31:08,390 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44752 states.
[2022-02-15 11:31:08,788 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44752 to 23015.
[2022-02-15 11:31:08,815 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23015 states, 23014 states have (on average 2.757147823064222) internal successors, (63453), 23014 states have internal predecessors, (63453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:08,860 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23015 states to 23015 states and 63453 transitions.
[2022-02-15 11:31:08,860 INFO  L78                 Accepts]: Start accepts. Automaton has 23015 states and 63453 transitions. Word has length 199
[2022-02-15 11:31:08,860 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:31:08,860 INFO  L470      AbstractCegarLoop]: Abstraction has 23015 states and 63453 transitions.
[2022-02-15 11:31:08,860 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:08,861 INFO  L276                IsEmpty]: Start isEmpty. Operand 23015 states and 63453 transitions.
[2022-02-15 11:31:08,889 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:31:08,889 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:31:08,889 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:31:08,889 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104
[2022-02-15 11:31:08,890 INFO  L402      AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:31:08,890 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:31:08,890 INFO  L85        PathProgramCache]: Analyzing trace with hash 655204405, now seen corresponding path program 82 times
[2022-02-15 11:31:08,890 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:31:08,890 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539380675]
[2022-02-15 11:31:08,890 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:31:08,890 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:31:08,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:31:09,170 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:31:09,171 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:31:09,171 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539380675]
[2022-02-15 11:31:09,171 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539380675] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:31:09,171 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:31:09,171 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:31:09,171 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938366028]
[2022-02-15 11:31:09,171 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:31:09,171 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:31:09,171 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:31:09,172 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:31:09,172 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:31:09,172 INFO  L87              Difference]: Start difference. First operand 23015 states and 63453 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:12,171 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:31:12,171 INFO  L93              Difference]: Finished difference Result 42905 states and 117307 transitions.
[2022-02-15 11:31:12,171 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. 
[2022-02-15 11:31:12,171 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:31:12,172 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:31:12,255 INFO  L225             Difference]: With dead ends: 42905
[2022-02-15 11:31:12,255 INFO  L226             Difference]: Without dead ends: 42905
[2022-02-15 11:31:12,256 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1383 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=784, Invalid=6022, Unknown=0, NotChecked=0, Total=6806
[2022-02-15 11:31:12,256 INFO  L933         BasicCegarLoop]: 1068 mSDtfsCounter, 2269 mSDsluCounter, 22970 mSDsCounter, 0 mSdLazyCounter, 5185 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2269 SdHoareTripleChecker+Valid, 23747 SdHoareTripleChecker+Invalid, 5208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:31:12,256 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2269 Valid, 23747 Invalid, 5208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5185 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:31:12,322 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42905 states.
[2022-02-15 11:31:12,703 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42905 to 22951.
[2022-02-15 11:31:12,730 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22951 states, 22950 states have (on average 2.755773420479303) internal successors, (63245), 22950 states have internal predecessors, (63245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:12,775 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22951 states to 22951 states and 63245 transitions.
[2022-02-15 11:31:12,775 INFO  L78                 Accepts]: Start accepts. Automaton has 22951 states and 63245 transitions. Word has length 199
[2022-02-15 11:31:12,775 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:31:12,775 INFO  L470      AbstractCegarLoop]: Abstraction has 22951 states and 63245 transitions.
[2022-02-15 11:31:12,775 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:12,775 INFO  L276                IsEmpty]: Start isEmpty. Operand 22951 states and 63245 transitions.
[2022-02-15 11:31:12,804 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:31:12,804 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:31:12,805 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:31:12,805 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105
[2022-02-15 11:31:12,805 INFO  L402      AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:31:12,805 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:31:12,805 INFO  L85        PathProgramCache]: Analyzing trace with hash -1716625521, now seen corresponding path program 83 times
[2022-02-15 11:31:12,805 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:31:12,805 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422619865]
[2022-02-15 11:31:12,805 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:31:12,805 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:31:12,813 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:31:13,090 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:31:13,091 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:31:13,091 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422619865]
[2022-02-15 11:31:13,091 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422619865] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:31:13,091 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:31:13,091 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:31:13,091 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672261681]
[2022-02-15 11:31:13,091 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:31:13,091 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:31:13,091 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:31:13,092 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:31:13,092 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:31:13,092 INFO  L87              Difference]: Start difference. First operand 22951 states and 63245 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:15,879 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:31:15,879 INFO  L93              Difference]: Finished difference Result 41047 states and 112522 transitions.
[2022-02-15 11:31:15,879 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:31:15,880 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:31:15,880 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:31:15,949 INFO  L225             Difference]: With dead ends: 41047
[2022-02-15 11:31:15,949 INFO  L226             Difference]: Without dead ends: 41047
[2022-02-15 11:31:15,950 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=683, Invalid=5169, Unknown=0, NotChecked=0, Total=5852
[2022-02-15 11:31:15,950 INFO  L933         BasicCegarLoop]: 1063 mSDtfsCounter, 1999 mSDsluCounter, 22565 mSDsCounter, 0 mSdLazyCounter, 5141 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1999 SdHoareTripleChecker+Valid, 23350 SdHoareTripleChecker+Invalid, 5160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:31:15,951 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1999 Valid, 23350 Invalid, 5160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5141 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:31:16,009 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41047 states.
[2022-02-15 11:31:16,371 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41047 to 22903.
[2022-02-15 11:31:16,398 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22903 states, 22902 states have (on average 2.755261549209676) internal successors, (63101), 22902 states have internal predecessors, (63101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:16,441 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22903 states to 22903 states and 63101 transitions.
[2022-02-15 11:31:16,441 INFO  L78                 Accepts]: Start accepts. Automaton has 22903 states and 63101 transitions. Word has length 199
[2022-02-15 11:31:16,442 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:31:16,442 INFO  L470      AbstractCegarLoop]: Abstraction has 22903 states and 63101 transitions.
[2022-02-15 11:31:16,442 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:16,442 INFO  L276                IsEmpty]: Start isEmpty. Operand 22903 states and 63101 transitions.
[2022-02-15 11:31:16,469 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:31:16,469 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:31:16,469 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:31:16,470 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106
[2022-02-15 11:31:16,470 INFO  L402      AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:31:16,470 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:31:16,470 INFO  L85        PathProgramCache]: Analyzing trace with hash -115338621, now seen corresponding path program 84 times
[2022-02-15 11:31:16,470 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:31:16,470 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143228317]
[2022-02-15 11:31:16,470 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:31:16,470 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:31:16,478 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:31:16,752 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:31:16,752 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:31:16,752 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143228317]
[2022-02-15 11:31:16,752 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143228317] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:31:16,752 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:31:16,752 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:31:16,752 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775492452]
[2022-02-15 11:31:16,752 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:31:16,752 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:31:16,752 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:31:16,753 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:31:16,753 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:31:16,753 INFO  L87              Difference]: Start difference. First operand 22903 states and 63101 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:19,535 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:31:19,535 INFO  L93              Difference]: Finished difference Result 42405 states and 115914 transitions.
[2022-02-15 11:31:19,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:31:19,535 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:31:19,536 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:31:19,613 INFO  L225             Difference]: With dead ends: 42405
[2022-02-15 11:31:19,613 INFO  L226             Difference]: Without dead ends: 42405
[2022-02-15 11:31:19,614 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=682, Invalid=5170, Unknown=0, NotChecked=0, Total=5852
[2022-02-15 11:31:19,614 INFO  L933         BasicCegarLoop]: 1076 mSDtfsCounter, 2055 mSDsluCounter, 22845 mSDsCounter, 0 mSdLazyCounter, 5059 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2055 SdHoareTripleChecker+Valid, 23641 SdHoareTripleChecker+Invalid, 5078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:31:19,614 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2055 Valid, 23641 Invalid, 5078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5059 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:31:19,676 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42405 states.
[2022-02-15 11:31:20,072 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42405 to 22887.
[2022-02-15 11:31:20,098 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22887 states, 22886 states have (on average 2.75509044830901) internal successors, (63053), 22886 states have internal predecessors, (63053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:20,143 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22887 states to 22887 states and 63053 transitions.
[2022-02-15 11:31:20,143 INFO  L78                 Accepts]: Start accepts. Automaton has 22887 states and 63053 transitions. Word has length 199
[2022-02-15 11:31:20,143 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:31:20,143 INFO  L470      AbstractCegarLoop]: Abstraction has 22887 states and 63053 transitions.
[2022-02-15 11:31:20,143 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:20,143 INFO  L276                IsEmpty]: Start isEmpty. Operand 22887 states and 63053 transitions.
[2022-02-15 11:31:20,172 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:31:20,172 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:31:20,172 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:31:20,172 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107
[2022-02-15 11:31:20,172 INFO  L402      AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:31:20,172 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:31:20,172 INFO  L85        PathProgramCache]: Analyzing trace with hash -716569939, now seen corresponding path program 85 times
[2022-02-15 11:31:20,173 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:31:20,173 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579386676]
[2022-02-15 11:31:20,173 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:31:20,173 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:31:20,180 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:31:20,456 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:31:20,457 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:31:20,457 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579386676]
[2022-02-15 11:31:20,457 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579386676] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:31:20,457 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:31:20,457 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:31:20,457 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025501677]
[2022-02-15 11:31:20,457 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:31:20,457 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:31:20,457 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:31:20,457 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:31:20,458 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:31:20,458 INFO  L87              Difference]: Start difference. First operand 22887 states and 63053 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:23,179 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:31:23,179 INFO  L93              Difference]: Finished difference Result 41398 states and 113056 transitions.
[2022-02-15 11:31:23,179 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-15 11:31:23,179 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:31:23,179 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:31:23,253 INFO  L225             Difference]: With dead ends: 41398
[2022-02-15 11:31:23,253 INFO  L226             Difference]: Without dead ends: 41398
[2022-02-15 11:31:23,254 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1008 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=642, Invalid=4908, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:31:23,254 INFO  L933         BasicCegarLoop]: 1123 mSDtfsCounter, 1884 mSDsluCounter, 23734 mSDsCounter, 0 mSdLazyCounter, 5083 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1884 SdHoareTripleChecker+Valid, 24559 SdHoareTripleChecker+Invalid, 5102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:31:23,254 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1884 Valid, 24559 Invalid, 5102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5083 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:31:23,314 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41398 states.
[2022-02-15 11:31:23,778 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41398 to 22679.
[2022-02-15 11:31:23,804 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22679 states, 22678 states have (on average 2.752844166152218) internal successors, (62429), 22678 states have internal predecessors, (62429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:23,844 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22679 states to 22679 states and 62429 transitions.
[2022-02-15 11:31:23,844 INFO  L78                 Accepts]: Start accepts. Automaton has 22679 states and 62429 transitions. Word has length 199
[2022-02-15 11:31:23,845 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:31:23,845 INFO  L470      AbstractCegarLoop]: Abstraction has 22679 states and 62429 transitions.
[2022-02-15 11:31:23,845 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:23,845 INFO  L276                IsEmpty]: Start isEmpty. Operand 22679 states and 62429 transitions.
[2022-02-15 11:31:23,870 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:31:23,871 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:31:23,871 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:31:23,871 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108
[2022-02-15 11:31:23,871 INFO  L402      AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:31:23,872 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:31:23,872 INFO  L85        PathProgramCache]: Analyzing trace with hash -22970031, now seen corresponding path program 86 times
[2022-02-15 11:31:23,872 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:31:23,872 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642435120]
[2022-02-15 11:31:23,872 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:31:23,872 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:31:23,880 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:31:24,147 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:31:24,147 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:31:24,147 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642435120]
[2022-02-15 11:31:24,147 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642435120] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:31:24,147 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:31:24,147 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:31:24,147 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106314054]
[2022-02-15 11:31:24,147 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:31:24,147 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:31:24,147 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:31:24,148 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:31:24,148 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:31:24,148 INFO  L87              Difference]: Start difference. First operand 22679 states and 62429 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:26,737 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:31:26,737 INFO  L93              Difference]: Finished difference Result 38407 states and 104883 transitions.
[2022-02-15 11:31:26,737 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2022-02-15 11:31:26,737 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:31:26,738 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:31:26,799 INFO  L225             Difference]: With dead ends: 38407
[2022-02-15 11:31:26,799 INFO  L226             Difference]: Without dead ends: 38407
[2022-02-15 11:31:26,800 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=639, Invalid=4617, Unknown=0, NotChecked=0, Total=5256
[2022-02-15 11:31:26,800 INFO  L933         BasicCegarLoop]: 953 mSDtfsCounter, 1948 mSDsluCounter, 20631 mSDsCounter, 0 mSdLazyCounter, 4945 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1948 SdHoareTripleChecker+Valid, 21270 SdHoareTripleChecker+Invalid, 4968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:31:26,800 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1948 Valid, 21270 Invalid, 4968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4945 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:31:26,850 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38407 states.
[2022-02-15 11:31:27,164 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38407 to 22839.
[2022-02-15 11:31:27,190 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22839 states, 22838 states have (on average 2.754750853840091) internal successors, (62913), 22838 states have internal predecessors, (62913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:27,233 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22839 states to 22839 states and 62913 transitions.
[2022-02-15 11:31:27,233 INFO  L78                 Accepts]: Start accepts. Automaton has 22839 states and 62913 transitions. Word has length 199
[2022-02-15 11:31:27,233 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:31:27,233 INFO  L470      AbstractCegarLoop]: Abstraction has 22839 states and 62913 transitions.
[2022-02-15 11:31:27,233 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:27,233 INFO  L276                IsEmpty]: Start isEmpty. Operand 22839 states and 62913 transitions.
[2022-02-15 11:31:27,259 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:31:27,259 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:31:27,259 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:31:27,259 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109
[2022-02-15 11:31:27,259 INFO  L402      AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:31:27,259 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:31:27,259 INFO  L85        PathProgramCache]: Analyzing trace with hash -2044768073, now seen corresponding path program 87 times
[2022-02-15 11:31:27,259 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:31:27,260 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027195345]
[2022-02-15 11:31:27,260 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:31:27,260 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:31:27,267 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:31:27,534 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:31:27,534 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:31:27,534 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027195345]
[2022-02-15 11:31:27,534 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027195345] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:31:27,534 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:31:27,534 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:31:27,534 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961200268]
[2022-02-15 11:31:27,534 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:31:27,535 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:31:27,535 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:31:27,535 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:31:27,535 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:31:27,535 INFO  L87              Difference]: Start difference. First operand 22839 states and 62913 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:30,109 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:31:30,109 INFO  L93              Difference]: Finished difference Result 37503 states and 102683 transitions.
[2022-02-15 11:31:30,109 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-15 11:31:30,110 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:31:30,110 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:31:30,175 INFO  L225             Difference]: With dead ends: 37503
[2022-02-15 11:31:30,176 INFO  L226             Difference]: Without dead ends: 37503
[2022-02-15 11:31:30,176 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1006 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=651, Invalid=4899, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:31:30,176 INFO  L933         BasicCegarLoop]: 966 mSDtfsCounter, 1897 mSDsluCounter, 20598 mSDsCounter, 0 mSdLazyCounter, 4848 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 21380 SdHoareTripleChecker+Invalid, 4871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:31:30,177 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1897 Valid, 21380 Invalid, 4871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4848 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:31:30,230 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37503 states.
[2022-02-15 11:31:30,567 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37503 to 22775.
[2022-02-15 11:31:30,592 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22775 states, 22774 states have (on average 2.753359093703346) internal successors, (62705), 22774 states have internal predecessors, (62705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:30,633 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22775 states to 22775 states and 62705 transitions.
[2022-02-15 11:31:30,633 INFO  L78                 Accepts]: Start accepts. Automaton has 22775 states and 62705 transitions. Word has length 199
[2022-02-15 11:31:30,634 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:31:30,634 INFO  L470      AbstractCegarLoop]: Abstraction has 22775 states and 62705 transitions.
[2022-02-15 11:31:30,634 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:30,634 INFO  L276                IsEmpty]: Start isEmpty. Operand 22775 states and 62705 transitions.
[2022-02-15 11:31:30,660 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:31:30,660 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:31:30,660 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:31:30,660 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110
[2022-02-15 11:31:30,660 INFO  L402      AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:31:30,661 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:31:30,661 INFO  L85        PathProgramCache]: Analyzing trace with hash 1873001999, now seen corresponding path program 88 times
[2022-02-15 11:31:30,661 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:31:30,661 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366941689]
[2022-02-15 11:31:30,661 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:31:30,661 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:31:30,669 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:31:30,939 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:31:30,939 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:31:30,939 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366941689]
[2022-02-15 11:31:30,939 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366941689] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:31:30,939 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:31:30,940 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:31:30,940 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356775654]
[2022-02-15 11:31:30,940 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:31:30,940 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:31:30,940 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:31:30,940 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:31:30,940 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:31:30,940 INFO  L87              Difference]: Start difference. First operand 22775 states and 62705 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:33,428 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:31:33,429 INFO  L93              Difference]: Finished difference Result 35308 states and 96510 transitions.
[2022-02-15 11:31:33,429 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-02-15 11:31:33,429 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:31:33,429 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:31:33,488 INFO  L225             Difference]: With dead ends: 35308
[2022-02-15 11:31:33,488 INFO  L226             Difference]: Without dead ends: 35308
[2022-02-15 11:31:33,489 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=588, Invalid=4104, Unknown=0, NotChecked=0, Total=4692
[2022-02-15 11:31:33,489 INFO  L933         BasicCegarLoop]: 932 mSDtfsCounter, 1661 mSDsluCounter, 19999 mSDsCounter, 0 mSdLazyCounter, 4682 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1661 SdHoareTripleChecker+Valid, 20639 SdHoareTripleChecker+Invalid, 4701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:31:33,489 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1661 Valid, 20639 Invalid, 4701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4682 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:31:33,542 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 35308 states.
[2022-02-15 11:31:33,869 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 35308 to 22727.
[2022-02-15 11:31:33,895 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22727 states, 22726 states have (on average 2.7528381589369006) internal successors, (62561), 22726 states have internal predecessors, (62561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:33,938 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22727 states to 22727 states and 62561 transitions.
[2022-02-15 11:31:33,938 INFO  L78                 Accepts]: Start accepts. Automaton has 22727 states and 62561 transitions. Word has length 199
[2022-02-15 11:31:33,938 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:31:33,938 INFO  L470      AbstractCegarLoop]: Abstraction has 22727 states and 62561 transitions.
[2022-02-15 11:31:33,938 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:33,938 INFO  L276                IsEmpty]: Start isEmpty. Operand 22727 states and 62561 transitions.
[2022-02-15 11:31:33,965 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:31:33,965 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:31:33,965 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:31:33,965 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111
[2022-02-15 11:31:33,965 INFO  L402      AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:31:33,966 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:31:33,966 INFO  L85        PathProgramCache]: Analyzing trace with hash -2059258609, now seen corresponding path program 89 times
[2022-02-15 11:31:33,966 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:31:33,966 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172995147]
[2022-02-15 11:31:33,966 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:31:33,966 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:31:33,974 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:31:34,251 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:31:34,251 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:31:34,251 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172995147]
[2022-02-15 11:31:34,251 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172995147] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:31:34,251 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:31:34,252 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:31:34,252 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706910089]
[2022-02-15 11:31:34,252 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:31:34,252 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:31:34,252 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:31:34,252 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:31:34,252 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:31:34,252 INFO  L87              Difference]: Start difference. First operand 22727 states and 62561 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:37,011 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:31:37,011 INFO  L93              Difference]: Finished difference Result 38999 states and 106473 transitions.
[2022-02-15 11:31:37,011 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2022-02-15 11:31:37,011 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:31:37,011 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:31:37,079 INFO  L225             Difference]: With dead ends: 38999
[2022-02-15 11:31:37,079 INFO  L226             Difference]: Without dead ends: 38999
[2022-02-15 11:31:37,080 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1044 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=673, Invalid=5027, Unknown=0, NotChecked=0, Total=5700
[2022-02-15 11:31:37,080 INFO  L933         BasicCegarLoop]: 990 mSDtfsCounter, 1913 mSDsluCounter, 21468 mSDsCounter, 0 mSdLazyCounter, 5137 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1913 SdHoareTripleChecker+Valid, 22102 SdHoareTripleChecker+Invalid, 5160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:31:37,080 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1913 Valid, 22102 Invalid, 5160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5137 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:31:37,136 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38999 states.
[2022-02-15 11:31:37,493 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38999 to 22839.
[2022-02-15 11:31:37,519 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22839 states, 22838 states have (on average 2.754750853840091) internal successors, (62913), 22838 states have internal predecessors, (62913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:37,563 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22839 states to 22839 states and 62913 transitions.
[2022-02-15 11:31:37,563 INFO  L78                 Accepts]: Start accepts. Automaton has 22839 states and 62913 transitions. Word has length 199
[2022-02-15 11:31:37,563 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:31:37,563 INFO  L470      AbstractCegarLoop]: Abstraction has 22839 states and 62913 transitions.
[2022-02-15 11:31:37,563 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:37,563 INFO  L276                IsEmpty]: Start isEmpty. Operand 22839 states and 62913 transitions.
[2022-02-15 11:31:37,591 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:31:37,591 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:31:37,592 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:31:37,592 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112
[2022-02-15 11:31:37,592 INFO  L402      AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:31:37,592 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:31:37,592 INFO  L85        PathProgramCache]: Analyzing trace with hash 213910645, now seen corresponding path program 90 times
[2022-02-15 11:31:37,592 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:31:37,592 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132352593]
[2022-02-15 11:31:37,592 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:31:37,592 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:31:37,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:31:37,877 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:31:37,877 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:31:37,877 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132352593]
[2022-02-15 11:31:37,877 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132352593] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:31:37,877 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:31:37,877 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:31:37,877 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901405706]
[2022-02-15 11:31:37,877 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:31:37,878 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:31:37,878 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:31:37,878 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:31:37,878 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:31:37,878 INFO  L87              Difference]: Start difference. First operand 22839 states and 62913 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:40,613 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:31:40,613 INFO  L93              Difference]: Finished difference Result 37987 states and 104005 transitions.
[2022-02-15 11:31:40,613 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:31:40,613 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:31:40,614 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:31:40,678 INFO  L225             Difference]: With dead ends: 37987
[2022-02-15 11:31:40,678 INFO  L226             Difference]: Without dead ends: 37987
[2022-02-15 11:31:40,679 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1101 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=667, Invalid=5185, Unknown=0, NotChecked=0, Total=5852
[2022-02-15 11:31:40,679 INFO  L933         BasicCegarLoop]: 1023 mSDtfsCounter, 1906 mSDsluCounter, 21843 mSDsCounter, 0 mSdLazyCounter, 5013 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1906 SdHoareTripleChecker+Valid, 22622 SdHoareTripleChecker+Invalid, 5036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:31:40,679 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1906 Valid, 22622 Invalid, 5036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5013 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:31:40,734 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37987 states.
[2022-02-15 11:31:41,134 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37987 to 22775.
[2022-02-15 11:31:41,160 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22775 states, 22774 states have (on average 2.753359093703346) internal successors, (62705), 22774 states have internal predecessors, (62705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:41,200 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22775 states to 22775 states and 62705 transitions.
[2022-02-15 11:31:41,201 INFO  L78                 Accepts]: Start accepts. Automaton has 22775 states and 62705 transitions. Word has length 199
[2022-02-15 11:31:41,201 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:31:41,201 INFO  L470      AbstractCegarLoop]: Abstraction has 22775 states and 62705 transitions.
[2022-02-15 11:31:41,201 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:41,201 INFO  L276                IsEmpty]: Start isEmpty. Operand 22775 states and 62705 transitions.
[2022-02-15 11:31:41,228 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:31:41,228 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:31:41,228 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:31:41,228 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113
[2022-02-15 11:31:41,228 INFO  L402      AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:31:41,229 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:31:41,229 INFO  L85        PathProgramCache]: Analyzing trace with hash 563364529, now seen corresponding path program 91 times
[2022-02-15 11:31:41,229 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:31:41,229 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025896192]
[2022-02-15 11:31:41,229 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:31:41,229 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:31:41,242 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:31:41,511 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:31:41,511 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:31:41,511 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025896192]
[2022-02-15 11:31:41,512 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025896192] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:31:41,512 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:31:41,512 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:31:41,512 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7581149]
[2022-02-15 11:31:41,512 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:31:41,512 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:31:41,512 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:31:41,512 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:31:41,512 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:31:41,512 INFO  L87              Difference]: Start difference. First operand 22775 states and 62705 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:43,994 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:31:43,994 INFO  L93              Difference]: Finished difference Result 34728 states and 95202 transitions.
[2022-02-15 11:31:43,994 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-02-15 11:31:43,994 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:31:43,994 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:31:44,055 INFO  L225             Difference]: With dead ends: 34728
[2022-02-15 11:31:44,055 INFO  L226             Difference]: Without dead ends: 34728
[2022-02-15 11:31:44,056 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 849 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=580, Invalid=4390, Unknown=0, NotChecked=0, Total=4970
[2022-02-15 11:31:44,056 INFO  L933         BasicCegarLoop]: 967 mSDtfsCounter, 1623 mSDsluCounter, 20535 mSDsCounter, 0 mSdLazyCounter, 4812 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1623 SdHoareTripleChecker+Valid, 21284 SdHoareTripleChecker+Invalid, 4831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:31:44,056 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1623 Valid, 21284 Invalid, 4831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4812 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:31:44,110 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 34728 states.
[2022-02-15 11:31:44,436 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 34728 to 22691.
[2022-02-15 11:31:44,463 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22691 states, 22690 states have (on average 2.7528426619656234) internal successors, (62462), 22690 states have internal predecessors, (62462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:44,509 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22691 states to 22691 states and 62462 transitions.
[2022-02-15 11:31:44,509 INFO  L78                 Accepts]: Start accepts. Automaton has 22691 states and 62462 transitions. Word has length 199
[2022-02-15 11:31:44,509 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:31:44,509 INFO  L470      AbstractCegarLoop]: Abstraction has 22691 states and 62462 transitions.
[2022-02-15 11:31:44,509 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:44,509 INFO  L276                IsEmpty]: Start isEmpty. Operand 22691 states and 62462 transitions.
[2022-02-15 11:31:44,538 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:31:44,538 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:31:44,538 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:31:44,538 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114
[2022-02-15 11:31:44,538 INFO  L402      AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:31:44,539 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:31:44,539 INFO  L85        PathProgramCache]: Analyzing trace with hash 656766229, now seen corresponding path program 92 times
[2022-02-15 11:31:44,539 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:31:44,539 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739584069]
[2022-02-15 11:31:44,539 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:31:44,539 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:31:44,547 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:31:44,818 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:31:44,818 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:31:44,818 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739584069]
[2022-02-15 11:31:44,818 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739584069] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:31:44,818 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:31:44,818 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:31:44,818 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361830349]
[2022-02-15 11:31:44,818 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:31:44,818 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:31:44,818 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:31:44,819 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:31:44,819 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:31:44,819 INFO  L87              Difference]: Start difference. First operand 22691 states and 62462 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:47,761 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:31:47,761 INFO  L93              Difference]: Finished difference Result 43045 states and 117349 transitions.
[2022-02-15 11:31:47,762 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. 
[2022-02-15 11:31:47,762 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:31:47,762 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:31:47,832 INFO  L225             Difference]: With dead ends: 43045
[2022-02-15 11:31:47,832 INFO  L226             Difference]: Without dead ends: 43045
[2022-02-15 11:31:47,833 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1171 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=735, Invalid=5427, Unknown=0, NotChecked=0, Total=6162
[2022-02-15 11:31:47,833 INFO  L933         BasicCegarLoop]: 1051 mSDtfsCounter, 2094 mSDsluCounter, 22803 mSDsCounter, 0 mSdLazyCounter, 5412 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2094 SdHoareTripleChecker+Valid, 23456 SdHoareTripleChecker+Invalid, 5435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:31:47,833 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2094 Valid, 23456 Invalid, 5435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5412 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:31:47,888 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 43045 states.
[2022-02-15 11:31:48,230 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 43045 to 22819.
[2022-02-15 11:31:48,255 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22819 states, 22818 states have (on average 2.754930318169866) internal successors, (62862), 22818 states have internal predecessors, (62862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:48,296 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22819 states to 22819 states and 62862 transitions.
[2022-02-15 11:31:48,296 INFO  L78                 Accepts]: Start accepts. Automaton has 22819 states and 62862 transitions. Word has length 199
[2022-02-15 11:31:48,297 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:31:48,297 INFO  L470      AbstractCegarLoop]: Abstraction has 22819 states and 62862 transitions.
[2022-02-15 11:31:48,297 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:48,297 INFO  L276                IsEmpty]: Start isEmpty. Operand 22819 states and 62862 transitions.
[2022-02-15 11:31:48,323 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:31:48,323 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:31:48,323 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:31:48,323 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115
[2022-02-15 11:31:48,323 INFO  L402      AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:31:48,324 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:31:48,324 INFO  L85        PathProgramCache]: Analyzing trace with hash -1365031813, now seen corresponding path program 93 times
[2022-02-15 11:31:48,324 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:31:48,324 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279118150]
[2022-02-15 11:31:48,324 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:31:48,324 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:31:48,332 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:31:48,602 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:31:48,602 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:31:48,602 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279118150]
[2022-02-15 11:31:48,602 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279118150] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:31:48,602 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:31:48,602 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:31:48,602 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362869973]
[2022-02-15 11:31:48,602 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:31:48,602 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:31:48,602 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:31:48,603 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:31:48,603 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:31:48,603 INFO  L87              Difference]: Start difference. First operand 22819 states and 62862 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:51,545 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:31:51,545 INFO  L93              Difference]: Finished difference Result 41862 states and 114443 transitions.
[2022-02-15 11:31:51,545 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2022-02-15 11:31:51,545 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:31:51,545 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:31:51,619 INFO  L225             Difference]: With dead ends: 41862
[2022-02-15 11:31:51,619 INFO  L226             Difference]: Without dead ends: 41862
[2022-02-15 11:31:51,620 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1284 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=744, Invalid=5736, Unknown=0, NotChecked=0, Total=6480
[2022-02-15 11:31:51,620 INFO  L933         BasicCegarLoop]: 1097 mSDtfsCounter, 2068 mSDsluCounter, 23398 mSDsCounter, 0 mSdLazyCounter, 5228 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2068 SdHoareTripleChecker+Valid, 24208 SdHoareTripleChecker+Invalid, 5251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:31:51,620 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2068 Valid, 24208 Invalid, 5251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5228 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:31:51,681 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41862 states.
[2022-02-15 11:31:52,074 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41862 to 22755.
[2022-02-15 11:31:52,101 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22755 states, 22754 states have (on average 2.7535378395007473) internal successors, (62654), 22754 states have internal predecessors, (62654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:52,147 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22755 states to 22755 states and 62654 transitions.
[2022-02-15 11:31:52,148 INFO  L78                 Accepts]: Start accepts. Automaton has 22755 states and 62654 transitions. Word has length 199
[2022-02-15 11:31:52,148 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:31:52,148 INFO  L470      AbstractCegarLoop]: Abstraction has 22755 states and 62654 transitions.
[2022-02-15 11:31:52,148 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:52,148 INFO  L276                IsEmpty]: Start isEmpty. Operand 22755 states and 62654 transitions.
[2022-02-15 11:31:52,176 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:31:52,176 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:31:52,177 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:31:52,177 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116
[2022-02-15 11:31:52,177 INFO  L402      AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:31:52,177 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:31:52,177 INFO  L85        PathProgramCache]: Analyzing trace with hash -1015577929, now seen corresponding path program 94 times
[2022-02-15 11:31:52,177 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:31:52,177 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885012797]
[2022-02-15 11:31:52,177 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:31:52,177 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:31:52,185 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:31:52,457 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:31:52,458 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:31:52,458 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885012797]
[2022-02-15 11:31:52,458 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885012797] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:31:52,458 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:31:52,458 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:31:52,458 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518437413]
[2022-02-15 11:31:52,458 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:31:52,458 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:31:52,458 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:31:52,458 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:31:52,459 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:31:52,459 INFO  L87              Difference]: Start difference. First operand 22755 states and 62654 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:55,080 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:31:55,081 INFO  L93              Difference]: Finished difference Result 38032 states and 104196 transitions.
[2022-02-15 11:31:55,081 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2022-02-15 11:31:55,081 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:31:55,081 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:31:55,144 INFO  L225             Difference]: With dead ends: 38032
[2022-02-15 11:31:55,144 INFO  L226             Difference]: Without dead ends: 38032
[2022-02-15 11:31:55,145 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 967 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=629, Invalid=4773, Unknown=0, NotChecked=0, Total=5402
[2022-02-15 11:31:55,145 INFO  L933         BasicCegarLoop]: 1042 mSDtfsCounter, 1778 mSDsluCounter, 22085 mSDsCounter, 0 mSdLazyCounter, 5040 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1778 SdHoareTripleChecker+Valid, 22869 SdHoareTripleChecker+Invalid, 5059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:31:55,145 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1778 Valid, 22869 Invalid, 5059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5040 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:31:55,195 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38032 states.
[2022-02-15 11:31:55,507 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38032 to 22707.
[2022-02-15 11:31:55,532 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22707 states, 22706 states have (on average 2.753016823747027) internal successors, (62510), 22706 states have internal predecessors, (62510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:55,573 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22707 states to 22707 states and 62510 transitions.
[2022-02-15 11:31:55,574 INFO  L78                 Accepts]: Start accepts. Automaton has 22707 states and 62510 transitions. Word has length 199
[2022-02-15 11:31:55,574 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:31:55,574 INFO  L470      AbstractCegarLoop]: Abstraction has 22707 states and 62510 transitions.
[2022-02-15 11:31:55,574 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:55,574 INFO  L276                IsEmpty]: Start isEmpty. Operand 22707 states and 62510 transitions.
[2022-02-15 11:31:55,601 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:31:55,601 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:31:55,601 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:31:55,602 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117
[2022-02-15 11:31:55,602 INFO  L402      AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:31:55,602 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:31:55,602 INFO  L85        PathProgramCache]: Analyzing trace with hash -13205949, now seen corresponding path program 95 times
[2022-02-15 11:31:55,602 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:31:55,602 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286815585]
[2022-02-15 11:31:55,602 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:31:55,602 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:31:55,610 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:31:55,880 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:31:55,880 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:31:55,880 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286815585]
[2022-02-15 11:31:55,880 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286815585] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:31:55,880 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:31:55,880 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:31:55,880 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86933319]
[2022-02-15 11:31:55,880 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:31:55,881 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:31:55,881 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:31:55,881 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:31:55,881 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:31:55,881 INFO  L87              Difference]: Start difference. First operand 22707 states and 62510 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:58,571 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:31:58,572 INFO  L93              Difference]: Finished difference Result 38766 states and 105890 transitions.
[2022-02-15 11:31:58,572 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2022-02-15 11:31:58,572 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:31:58,572 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:31:58,637 INFO  L225             Difference]: With dead ends: 38766
[2022-02-15 11:31:58,637 INFO  L226             Difference]: Without dead ends: 38766
[2022-02-15 11:31:58,638 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 967 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=626, Invalid=4776, Unknown=0, NotChecked=0, Total=5402
[2022-02-15 11:31:58,638 INFO  L933         BasicCegarLoop]: 1071 mSDtfsCounter, 1770 mSDsluCounter, 22748 mSDsCounter, 0 mSdLazyCounter, 4971 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1770 SdHoareTripleChecker+Valid, 23538 SdHoareTripleChecker+Invalid, 4990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:31:58,638 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1770 Valid, 23538 Invalid, 4990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4971 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:31:58,694 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38766 states.
[2022-02-15 11:31:59,015 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38766 to 22523.
[2022-02-15 11:31:59,041 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22523 states, 22522 states have (on average 2.7528638664417016) internal successors, (62000), 22522 states have internal predecessors, (62000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:59,084 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22523 states to 22523 states and 62000 transitions.
[2022-02-15 11:31:59,084 INFO  L78                 Accepts]: Start accepts. Automaton has 22523 states and 62000 transitions. Word has length 199
[2022-02-15 11:31:59,084 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:31:59,084 INFO  L470      AbstractCegarLoop]: Abstraction has 22523 states and 62000 transitions.
[2022-02-15 11:31:59,084 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:31:59,085 INFO  L276                IsEmpty]: Start isEmpty. Operand 22523 states and 62000 transitions.
[2022-02-15 11:31:59,111 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:31:59,111 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:31:59,111 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:31:59,112 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118
[2022-02-15 11:31:59,112 INFO  L402      AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:31:59,112 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:31:59,112 INFO  L85        PathProgramCache]: Analyzing trace with hash -1101640587, now seen corresponding path program 96 times
[2022-02-15 11:31:59,112 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:31:59,112 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106219643]
[2022-02-15 11:31:59,112 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:31:59,112 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:31:59,120 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:31:59,387 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:31:59,388 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:31:59,388 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106219643]
[2022-02-15 11:31:59,388 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106219643] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:31:59,388 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:31:59,388 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:31:59,388 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734989160]
[2022-02-15 11:31:59,388 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:31:59,388 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:31:59,388 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:31:59,389 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:31:59,389 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:31:59,389 INFO  L87              Difference]: Start difference. First operand 22523 states and 62000 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:02,571 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:32:02,571 INFO  L93              Difference]: Finished difference Result 46894 states and 127588 transitions.
[2022-02-15 11:32:02,571 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2022-02-15 11:32:02,572 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:32:02,572 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:32:02,648 INFO  L225             Difference]: With dead ends: 46894
[2022-02-15 11:32:02,648 INFO  L226             Difference]: Without dead ends: 46894
[2022-02-15 11:32:02,649 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1390 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=857, Invalid=6115, Unknown=0, NotChecked=0, Total=6972
[2022-02-15 11:32:02,649 INFO  L933         BasicCegarLoop]: 1126 mSDtfsCounter, 2340 mSDsluCounter, 24437 mSDsCounter, 0 mSdLazyCounter, 5690 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2340 SdHoareTripleChecker+Valid, 25085 SdHoareTripleChecker+Invalid, 5713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2022-02-15 11:32:02,650 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2340 Valid, 25085 Invalid, 5713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5690 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2022-02-15 11:32:02,708 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 46894 states.
[2022-02-15 11:32:03,067 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 46894 to 22875.
[2022-02-15 11:32:03,093 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22875 states, 22874 states have (on average 2.7573664422488413) internal successors, (63072), 22874 states have internal predecessors, (63072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:03,134 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22875 states to 22875 states and 63072 transitions.
[2022-02-15 11:32:03,134 INFO  L78                 Accepts]: Start accepts. Automaton has 22875 states and 63072 transitions. Word has length 199
[2022-02-15 11:32:03,134 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:32:03,134 INFO  L470      AbstractCegarLoop]: Abstraction has 22875 states and 63072 transitions.
[2022-02-15 11:32:03,134 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:03,134 INFO  L276                IsEmpty]: Start isEmpty. Operand 22875 states and 63072 transitions.
[2022-02-15 11:32:03,160 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:32:03,161 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:32:03,161 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:32:03,161 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119
[2022-02-15 11:32:03,161 INFO  L402      AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:32:03,161 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:32:03,161 INFO  L85        PathProgramCache]: Analyzing trace with hash 1171528667, now seen corresponding path program 97 times
[2022-02-15 11:32:03,161 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:32:03,161 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585106390]
[2022-02-15 11:32:03,161 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:32:03,162 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:32:03,169 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:32:03,441 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:32:03,441 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:32:03,441 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585106390]
[2022-02-15 11:32:03,442 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585106390] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:32:03,442 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:32:03,442 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:32:03,442 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748576234]
[2022-02-15 11:32:03,442 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:32:03,442 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:32:03,442 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:32:03,442 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:32:03,442 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:32:03,442 INFO  L87              Difference]: Start difference. First operand 22875 states and 63072 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:06,406 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:32:06,406 INFO  L93              Difference]: Finished difference Result 44169 states and 120638 transitions.
[2022-02-15 11:32:06,406 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. 
[2022-02-15 11:32:06,407 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:32:06,407 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:32:06,484 INFO  L225             Difference]: With dead ends: 44169
[2022-02-15 11:32:06,484 INFO  L226             Difference]: Without dead ends: 44169
[2022-02-15 11:32:06,485 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1383 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=795, Invalid=6011, Unknown=0, NotChecked=0, Total=6806
[2022-02-15 11:32:06,485 INFO  L933         BasicCegarLoop]: 1108 mSDtfsCounter, 2236 mSDsluCounter, 23793 mSDsCounter, 0 mSdLazyCounter, 5281 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2236 SdHoareTripleChecker+Valid, 24567 SdHoareTripleChecker+Invalid, 5304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:32:06,485 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2236 Valid, 24567 Invalid, 5304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5281 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:32:06,549 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44169 states.
[2022-02-15 11:32:06,912 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44169 to 22811.
[2022-02-15 11:32:06,937 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22811 states, 22810 states have (on average 2.7559842174484874) internal successors, (62864), 22810 states have internal predecessors, (62864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:06,977 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22811 states to 22811 states and 62864 transitions.
[2022-02-15 11:32:06,977 INFO  L78                 Accepts]: Start accepts. Automaton has 22811 states and 62864 transitions. Word has length 199
[2022-02-15 11:32:06,978 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:32:06,978 INFO  L470      AbstractCegarLoop]: Abstraction has 22811 states and 62864 transitions.
[2022-02-15 11:32:06,978 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:06,978 INFO  L276                IsEmpty]: Start isEmpty. Operand 22811 states and 62864 transitions.
[2022-02-15 11:32:07,003 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:32:07,004 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:32:07,004 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:32:07,004 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120
[2022-02-15 11:32:07,004 INFO  L402      AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:32:07,004 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:32:07,004 INFO  L85        PathProgramCache]: Analyzing trace with hash -1200301259, now seen corresponding path program 98 times
[2022-02-15 11:32:07,004 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:32:07,004 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835593163]
[2022-02-15 11:32:07,004 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:32:07,005 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:32:07,012 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:32:07,283 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:32:07,283 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:32:07,283 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835593163]
[2022-02-15 11:32:07,283 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835593163] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:32:07,283 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:32:07,283 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:32:07,283 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032729050]
[2022-02-15 11:32:07,283 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:32:07,283 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:32:07,283 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:32:07,284 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:32:07,284 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:32:07,284 INFO  L87              Difference]: Start difference. First operand 22811 states and 62864 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:10,063 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:32:10,063 INFO  L93              Difference]: Finished difference Result 42311 states and 115853 transitions.
[2022-02-15 11:32:10,063 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:32:10,063 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:32:10,064 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:32:10,134 INFO  L225             Difference]: With dead ends: 42311
[2022-02-15 11:32:10,134 INFO  L226             Difference]: Without dead ends: 42311
[2022-02-15 11:32:10,135 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1093 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=690, Invalid=5162, Unknown=0, NotChecked=0, Total=5852
[2022-02-15 11:32:10,135 INFO  L933         BasicCegarLoop]: 1103 mSDtfsCounter, 1966 mSDsluCounter, 23332 mSDsCounter, 0 mSdLazyCounter, 5245 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1966 SdHoareTripleChecker+Valid, 24118 SdHoareTripleChecker+Invalid, 5264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:32:10,135 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1966 Valid, 24118 Invalid, 5264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5245 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:32:10,193 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42311 states.
[2022-02-15 11:32:10,541 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42311 to 22763.
[2022-02-15 11:32:10,566 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22763 states, 22762 states have (on average 2.7554696423864335) internal successors, (62720), 22762 states have internal predecessors, (62720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:10,608 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22763 states to 22763 states and 62720 transitions.
[2022-02-15 11:32:10,608 INFO  L78                 Accepts]: Start accepts. Automaton has 22763 states and 62720 transitions. Word has length 199
[2022-02-15 11:32:10,608 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:32:10,608 INFO  L470      AbstractCegarLoop]: Abstraction has 22763 states and 62720 transitions.
[2022-02-15 11:32:10,608 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:10,608 INFO  L276                IsEmpty]: Start isEmpty. Operand 22763 states and 62720 transitions.
[2022-02-15 11:32:10,635 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:32:10,635 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:32:10,635 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:32:10,635 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121
[2022-02-15 11:32:10,635 INFO  L402      AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:32:10,635 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:32:10,635 INFO  L85        PathProgramCache]: Analyzing trace with hash 400985641, now seen corresponding path program 99 times
[2022-02-15 11:32:10,635 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:32:10,635 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443141083]
[2022-02-15 11:32:10,636 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:32:10,636 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:32:10,643 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:32:10,910 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:32:10,910 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:32:10,910 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443141083]
[2022-02-15 11:32:10,910 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443141083] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:32:10,910 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:32:10,911 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:32:10,911 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980863086]
[2022-02-15 11:32:10,911 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:32:10,911 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:32:10,911 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:32:10,911 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:32:10,911 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:32:10,911 INFO  L87              Difference]: Start difference. First operand 22763 states and 62720 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:13,689 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:32:13,689 INFO  L93              Difference]: Finished difference Result 43669 states and 119245 transitions.
[2022-02-15 11:32:13,689 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:32:13,689 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:32:13,689 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:32:13,765 INFO  L225             Difference]: With dead ends: 43669
[2022-02-15 11:32:13,765 INFO  L226             Difference]: Without dead ends: 43669
[2022-02-15 11:32:13,766 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=690, Invalid=5162, Unknown=0, NotChecked=0, Total=5852
[2022-02-15 11:32:13,766 INFO  L933         BasicCegarLoop]: 1116 mSDtfsCounter, 2022 mSDsluCounter, 23612 mSDsCounter, 0 mSdLazyCounter, 5170 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 24408 SdHoareTripleChecker+Invalid, 5189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:32:13,766 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2022 Valid, 24408 Invalid, 5189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5170 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:32:13,831 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 43669 states.
[2022-02-15 11:32:14,347 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 43669 to 22747.
[2022-02-15 11:32:14,371 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22747 states, 22746 states have (on average 2.755297634748967) internal successors, (62672), 22746 states have internal predecessors, (62672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:14,413 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22747 states to 22747 states and 62672 transitions.
[2022-02-15 11:32:14,413 INFO  L78                 Accepts]: Start accepts. Automaton has 22747 states and 62672 transitions. Word has length 199
[2022-02-15 11:32:14,413 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:32:14,413 INFO  L470      AbstractCegarLoop]: Abstraction has 22747 states and 62672 transitions.
[2022-02-15 11:32:14,413 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:14,413 INFO  L276                IsEmpty]: Start isEmpty. Operand 22747 states and 62672 transitions.
[2022-02-15 11:32:14,439 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:32:14,440 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:32:14,440 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:32:14,440 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122
[2022-02-15 11:32:14,440 INFO  L402      AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:32:14,440 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:32:14,440 INFO  L85        PathProgramCache]: Analyzing trace with hash -200245677, now seen corresponding path program 100 times
[2022-02-15 11:32:14,441 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:32:14,441 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733381769]
[2022-02-15 11:32:14,441 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:32:14,441 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:32:14,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:32:14,716 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:32:14,717 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:32:14,717 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733381769]
[2022-02-15 11:32:14,717 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733381769] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:32:14,717 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:32:14,717 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:32:14,717 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597323070]
[2022-02-15 11:32:14,717 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:32:14,717 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:32:14,717 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:32:14,717 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:32:14,718 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:32:14,718 INFO  L87              Difference]: Start difference. First operand 22747 states and 62672 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:17,523 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:32:17,523 INFO  L93              Difference]: Finished difference Result 44912 states and 122417 transitions.
[2022-02-15 11:32:17,523 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:32:17,523 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:32:17,523 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:32:17,603 INFO  L225             Difference]: With dead ends: 44912
[2022-02-15 11:32:17,603 INFO  L226             Difference]: Without dead ends: 44912
[2022-02-15 11:32:17,604 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1091 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=687, Invalid=5165, Unknown=0, NotChecked=0, Total=5852
[2022-02-15 11:32:17,604 INFO  L933         BasicCegarLoop]: 1153 mSDtfsCounter, 1992 mSDsluCounter, 24323 mSDsCounter, 0 mSdLazyCounter, 5165 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 25138 SdHoareTripleChecker+Invalid, 5184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:32:17,605 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1992 Valid, 25138 Invalid, 5184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5165 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:32:17,667 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44912 states.
[2022-02-15 11:32:18,020 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44912 to 22539.
[2022-02-15 11:32:18,046 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22539 states, 22538 states have (on average 2.753039311385216) internal successors, (62048), 22538 states have internal predecessors, (62048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:18,088 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22539 states to 22539 states and 62048 transitions.
[2022-02-15 11:32:18,088 INFO  L78                 Accepts]: Start accepts. Automaton has 22539 states and 62048 transitions. Word has length 199
[2022-02-15 11:32:18,088 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:32:18,088 INFO  L470      AbstractCegarLoop]: Abstraction has 22539 states and 62048 transitions.
[2022-02-15 11:32:18,088 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:18,088 INFO  L276                IsEmpty]: Start isEmpty. Operand 22539 states and 62048 transitions.
[2022-02-15 11:32:18,115 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:32:18,115 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:32:18,116 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:32:18,116 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123
[2022-02-15 11:32:18,116 INFO  L402      AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:32:18,116 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:32:18,116 INFO  L85        PathProgramCache]: Analyzing trace with hash 1729767825, now seen corresponding path program 101 times
[2022-02-15 11:32:18,116 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:32:18,116 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906792967]
[2022-02-15 11:32:18,116 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:32:18,116 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:32:18,124 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:32:18,395 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:32:18,395 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:32:18,395 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906792967]
[2022-02-15 11:32:18,395 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906792967] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:32:18,395 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:32:18,395 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:32:18,396 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93897470]
[2022-02-15 11:32:18,396 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:32:18,396 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:32:18,396 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:32:18,396 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:32:18,396 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:32:18,396 INFO  L87              Difference]: Start difference. First operand 22539 states and 62048 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:20,997 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:32:20,998 INFO  L93              Difference]: Finished difference Result 40481 states and 110309 transitions.
[2022-02-15 11:32:20,998 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2022-02-15 11:32:20,998 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:32:20,998 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:32:21,072 INFO  L225             Difference]: With dead ends: 40481
[2022-02-15 11:32:21,072 INFO  L226             Difference]: Without dead ends: 40481
[2022-02-15 11:32:21,073 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 965 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=633, Invalid=4769, Unknown=0, NotChecked=0, Total=5402
[2022-02-15 11:32:21,073 INFO  L933         BasicCegarLoop]: 1109 mSDtfsCounter, 1897 mSDsluCounter, 23488 mSDsCounter, 0 mSdLazyCounter, 4919 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 24260 SdHoareTripleChecker+Invalid, 4938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:32:21,073 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1897 Valid, 24260 Invalid, 4938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4919 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:32:21,132 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40481 states.
[2022-02-15 11:32:21,490 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40481 to 22511.
[2022-02-15 11:32:21,516 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22511 states, 22510 states have (on average 2.7528653931585962) internal successors, (61967), 22510 states have internal predecessors, (61967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:21,560 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions.
[2022-02-15 11:32:21,560 INFO  L78                 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199
[2022-02-15 11:32:21,560 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:32:21,560 INFO  L470      AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions.
[2022-02-15 11:32:21,560 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:21,560 INFO  L276                IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions.
[2022-02-15 11:32:21,588 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:32:21,588 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:32:21,588 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:32:21,588 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124
[2022-02-15 11:32:21,588 INFO  L402      AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:32:21,589 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:32:21,589 INFO  L85        PathProgramCache]: Analyzing trace with hash -1254609193, now seen corresponding path program 102 times
[2022-02-15 11:32:21,589 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:32:21,589 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104450855]
[2022-02-15 11:32:21,589 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:32:21,589 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:32:21,597 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:32:21,879 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:32:21,880 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:32:21,880 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104450855]
[2022-02-15 11:32:21,880 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104450855] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:32:21,880 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:32:21,880 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:32:21,880 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474241553]
[2022-02-15 11:32:21,880 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:32:21,880 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:32:21,880 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:32:21,880 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:32:21,880 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:32:21,881 INFO  L87              Difference]: Start difference. First operand 22511 states and 61967 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:24,823 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:32:24,824 INFO  L93              Difference]: Finished difference Result 44816 states and 122126 transitions.
[2022-02-15 11:32:24,824 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2022-02-15 11:32:24,824 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:32:24,824 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:32:24,904 INFO  L225             Difference]: With dead ends: 44816
[2022-02-15 11:32:24,904 INFO  L226             Difference]: Without dead ends: 44816
[2022-02-15 11:32:24,905 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1272 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=761, Invalid=5719, Unknown=0, NotChecked=0, Total=6480
[2022-02-15 11:32:24,905 INFO  L933         BasicCegarLoop]: 1051 mSDtfsCounter, 2226 mSDsluCounter, 23031 mSDsCounter, 0 mSdLazyCounter, 5239 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2226 SdHoareTripleChecker+Valid, 23682 SdHoareTripleChecker+Invalid, 5262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:32:24,905 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2226 Valid, 23682 Invalid, 5262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5239 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:32:24,967 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44816 states.
[2022-02-15 11:32:25,358 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44816 to 23051.
[2022-02-15 11:32:25,384 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23051 states, 23050 states have (on average 2.7571366594360085) internal successors, (63552), 23050 states have internal predecessors, (63552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:25,426 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23051 states to 23051 states and 63552 transitions.
[2022-02-15 11:32:25,427 INFO  L78                 Accepts]: Start accepts. Automaton has 23051 states and 63552 transitions. Word has length 199
[2022-02-15 11:32:25,427 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:32:25,427 INFO  L470      AbstractCegarLoop]: Abstraction has 23051 states and 63552 transitions.
[2022-02-15 11:32:25,427 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:25,427 INFO  L276                IsEmpty]: Start isEmpty. Operand 23051 states and 63552 transitions.
[2022-02-15 11:32:25,456 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:32:25,456 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:32:25,456 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:32:25,456 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125
[2022-02-15 11:32:25,457 INFO  L402      AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:32:25,457 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:32:25,457 INFO  L85        PathProgramCache]: Analyzing trace with hash 1018560061, now seen corresponding path program 103 times
[2022-02-15 11:32:25,457 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:32:25,457 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315752135]
[2022-02-15 11:32:25,457 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:32:25,457 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:32:25,465 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:32:25,742 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:32:25,742 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:32:25,742 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315752135]
[2022-02-15 11:32:25,742 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315752135] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:32:25,742 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:32:25,742 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:32:25,742 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363490493]
[2022-02-15 11:32:25,742 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:32:25,742 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:32:25,743 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:32:25,743 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:32:25,743 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:32:25,743 INFO  L87              Difference]: Start difference. First operand 23051 states and 63552 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:28,656 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:32:28,657 INFO  L93              Difference]: Finished difference Result 42969 states and 117483 transitions.
[2022-02-15 11:32:28,657 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. 
[2022-02-15 11:32:28,657 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:32:28,657 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:32:28,732 INFO  L225             Difference]: With dead ends: 42969
[2022-02-15 11:32:28,732 INFO  L226             Difference]: Without dead ends: 42969
[2022-02-15 11:32:28,733 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1395 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=760, Invalid=6046, Unknown=0, NotChecked=0, Total=6806
[2022-02-15 11:32:28,734 INFO  L933         BasicCegarLoop]: 1057 mSDtfsCounter, 2185 mSDsluCounter, 22886 mSDsCounter, 0 mSdLazyCounter, 5058 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2185 SdHoareTripleChecker+Valid, 23672 SdHoareTripleChecker+Invalid, 5081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:32:28,734 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2185 Valid, 23672 Invalid, 5081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5058 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:32:28,791 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42969 states.
[2022-02-15 11:32:29,141 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42969 to 22987.
[2022-02-15 11:32:29,167 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22987 states, 22986 states have (on average 2.7557643783172368) internal successors, (63344), 22986 states have internal predecessors, (63344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:29,210 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22987 states to 22987 states and 63344 transitions.
[2022-02-15 11:32:29,210 INFO  L78                 Accepts]: Start accepts. Automaton has 22987 states and 63344 transitions. Word has length 199
[2022-02-15 11:32:29,210 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:32:29,210 INFO  L470      AbstractCegarLoop]: Abstraction has 22987 states and 63344 transitions.
[2022-02-15 11:32:29,210 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:29,210 INFO  L276                IsEmpty]: Start isEmpty. Operand 22987 states and 63344 transitions.
[2022-02-15 11:32:29,237 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:32:29,237 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:32:29,237 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:32:29,237 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126
[2022-02-15 11:32:29,237 INFO  L402      AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:32:29,237 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:32:29,238 INFO  L85        PathProgramCache]: Analyzing trace with hash -1353269865, now seen corresponding path program 104 times
[2022-02-15 11:32:29,238 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:32:29,238 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047706329]
[2022-02-15 11:32:29,238 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:32:29,238 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:32:29,247 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:32:29,521 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:32:29,521 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:32:29,522 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047706329]
[2022-02-15 11:32:29,522 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047706329] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:32:29,522 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:32:29,522 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:32:29,522 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401937363]
[2022-02-15 11:32:29,522 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:32:29,523 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:32:29,523 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:32:29,523 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:32:29,523 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:32:29,524 INFO  L87              Difference]: Start difference. First operand 22987 states and 63344 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:32,320 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:32:32,320 INFO  L93              Difference]: Finished difference Result 41111 states and 112698 transitions.
[2022-02-15 11:32:32,321 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:32:32,321 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:32:32,321 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:32:32,388 INFO  L225             Difference]: With dead ends: 41111
[2022-02-15 11:32:32,388 INFO  L226             Difference]: Without dead ends: 41111
[2022-02-15 11:32:32,388 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1101 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=665, Invalid=5187, Unknown=0, NotChecked=0, Total=5852
[2022-02-15 11:32:32,389 INFO  L933         BasicCegarLoop]: 1052 mSDtfsCounter, 1915 mSDsluCounter, 22523 mSDsCounter, 0 mSdLazyCounter, 5014 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1915 SdHoareTripleChecker+Valid, 23315 SdHoareTripleChecker+Invalid, 5033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:32:32,389 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1915 Valid, 23315 Invalid, 5033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5014 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:32:32,443 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41111 states.
[2022-02-15 11:32:32,772 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41111 to 22939.
[2022-02-15 11:32:32,799 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22939 states, 22938 states have (on average 2.7552532914813845) internal successors, (63200), 22938 states have internal predecessors, (63200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:32,841 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22939 states to 22939 states and 63200 transitions.
[2022-02-15 11:32:32,841 INFO  L78                 Accepts]: Start accepts. Automaton has 22939 states and 63200 transitions. Word has length 199
[2022-02-15 11:32:32,842 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:32:32,842 INFO  L470      AbstractCegarLoop]: Abstraction has 22939 states and 63200 transitions.
[2022-02-15 11:32:32,842 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:32,842 INFO  L276                IsEmpty]: Start isEmpty. Operand 22939 states and 63200 transitions.
[2022-02-15 11:32:32,868 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:32:32,868 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:32:32,869 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:32:32,869 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127
[2022-02-15 11:32:32,869 INFO  L402      AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:32:32,869 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:32:32,869 INFO  L85        PathProgramCache]: Analyzing trace with hash 248017035, now seen corresponding path program 105 times
[2022-02-15 11:32:32,869 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:32:32,869 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511554940]
[2022-02-15 11:32:32,869 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:32:32,869 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:32:32,877 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:32:33,178 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:32:33,178 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:32:33,178 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511554940]
[2022-02-15 11:32:33,178 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511554940] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:32:33,178 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:32:33,178 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:32:33,178 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696153119]
[2022-02-15 11:32:33,178 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:32:33,179 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:32:33,179 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:32:33,179 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:32:33,179 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:32:33,179 INFO  L87              Difference]: Start difference. First operand 22939 states and 63200 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:35,900 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:32:35,900 INFO  L93              Difference]: Finished difference Result 42469 states and 116090 transitions.
[2022-02-15 11:32:35,900 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:32:35,900 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:32:35,900 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:32:35,969 INFO  L225             Difference]: With dead ends: 42469
[2022-02-15 11:32:35,969 INFO  L226             Difference]: Without dead ends: 42469
[2022-02-15 11:32:35,970 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1102 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=662, Invalid=5190, Unknown=0, NotChecked=0, Total=5852
[2022-02-15 11:32:35,970 INFO  L933         BasicCegarLoop]: 1065 mSDtfsCounter, 1971 mSDsluCounter, 22813 mSDsCounter, 0 mSdLazyCounter, 4932 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1971 SdHoareTripleChecker+Valid, 23616 SdHoareTripleChecker+Invalid, 4951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:32:35,970 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1971 Valid, 23616 Invalid, 4951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4932 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:32:36,024 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42469 states.
[2022-02-15 11:32:36,380 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42469 to 22923.
[2022-02-15 11:32:36,406 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22923 states, 22922 states have (on average 2.7550824535380856) internal successors, (63152), 22922 states have internal predecessors, (63152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:36,449 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22923 states to 22923 states and 63152 transitions.
[2022-02-15 11:32:36,450 INFO  L78                 Accepts]: Start accepts. Automaton has 22923 states and 63152 transitions. Word has length 199
[2022-02-15 11:32:36,450 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:32:36,450 INFO  L470      AbstractCegarLoop]: Abstraction has 22923 states and 63152 transitions.
[2022-02-15 11:32:36,450 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:36,450 INFO  L276                IsEmpty]: Start isEmpty. Operand 22923 states and 63152 transitions.
[2022-02-15 11:32:36,478 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:32:36,478 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:32:36,478 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:32:36,478 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128
[2022-02-15 11:32:36,478 INFO  L402      AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:32:36,478 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:32:36,479 INFO  L85        PathProgramCache]: Analyzing trace with hash -353214283, now seen corresponding path program 106 times
[2022-02-15 11:32:36,479 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:32:36,479 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384858044]
[2022-02-15 11:32:36,479 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:32:36,479 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:32:36,486 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:32:36,758 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:32:36,758 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:32:36,758 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384858044]
[2022-02-15 11:32:36,758 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384858044] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:32:36,758 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:32:36,758 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:32:36,759 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598490546]
[2022-02-15 11:32:36,759 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:32:36,759 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:32:36,759 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:32:36,759 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:32:36,759 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:32:36,759 INFO  L87              Difference]: Start difference. First operand 22923 states and 63152 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:39,445 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:32:39,446 INFO  L93              Difference]: Finished difference Result 41462 states and 113232 transitions.
[2022-02-15 11:32:39,446 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-15 11:32:39,446 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:32:39,446 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:32:39,516 INFO  L225             Difference]: With dead ends: 41462
[2022-02-15 11:32:39,516 INFO  L226             Difference]: Without dead ends: 41462
[2022-02-15 11:32:39,517 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1018 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=622, Invalid=4928, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:32:39,517 INFO  L933         BasicCegarLoop]: 1112 mSDtfsCounter, 1821 mSDsluCounter, 23746 mSDsCounter, 0 mSdLazyCounter, 4961 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1821 SdHoareTripleChecker+Valid, 24577 SdHoareTripleChecker+Invalid, 4980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:32:39,517 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1821 Valid, 24577 Invalid, 4980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4961 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:32:39,576 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41462 states.
[2022-02-15 11:32:39,915 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41462 to 22715.
[2022-02-15 11:32:39,940 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22715 states, 22714 states have (on average 2.7528396583604824) internal successors, (62528), 22714 states have internal predecessors, (62528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:39,980 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22715 states to 22715 states and 62528 transitions.
[2022-02-15 11:32:39,981 INFO  L78                 Accepts]: Start accepts. Automaton has 22715 states and 62528 transitions. Word has length 199
[2022-02-15 11:32:39,981 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:32:39,981 INFO  L470      AbstractCegarLoop]: Abstraction has 22715 states and 62528 transitions.
[2022-02-15 11:32:39,981 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:39,981 INFO  L276                IsEmpty]: Start isEmpty. Operand 22715 states and 62528 transitions.
[2022-02-15 11:32:40,007 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:32:40,008 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:32:40,008 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:32:40,008 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129
[2022-02-15 11:32:40,008 INFO  L402      AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:32:40,008 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:32:40,008 INFO  L85        PathProgramCache]: Analyzing trace with hash 340385625, now seen corresponding path program 107 times
[2022-02-15 11:32:40,008 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:32:40,008 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708022612]
[2022-02-15 11:32:40,008 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:32:40,008 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:32:40,016 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:32:40,286 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:32:40,287 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:32:40,287 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708022612]
[2022-02-15 11:32:40,287 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708022612] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:32:40,287 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:32:40,287 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:32:40,287 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914375702]
[2022-02-15 11:32:40,287 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:32:40,287 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:32:40,287 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:32:40,287 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:32:40,288 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:32:40,288 INFO  L87              Difference]: Start difference. First operand 22715 states and 62528 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:42,773 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:32:42,773 INFO  L93              Difference]: Finished difference Result 38471 states and 105059 transitions.
[2022-02-15 11:32:42,773 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-15 11:32:42,773 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:32:42,773 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:32:42,834 INFO  L225             Difference]: With dead ends: 38471
[2022-02-15 11:32:42,834 INFO  L226             Difference]: Without dead ends: 38471
[2022-02-15 11:32:42,835 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 878 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=623, Invalid=4489, Unknown=0, NotChecked=0, Total=5112
[2022-02-15 11:32:42,835 INFO  L933         BasicCegarLoop]: 931 mSDtfsCounter, 1863 mSDsluCounter, 20163 mSDsCounter, 0 mSdLazyCounter, 4702 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1863 SdHoareTripleChecker+Valid, 20824 SdHoareTripleChecker+Invalid, 4725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:32:42,835 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1863 Valid, 20824 Invalid, 4725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4702 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:32:42,885 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38471 states.
[2022-02-15 11:32:43,207 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38471 to 22875.
[2022-02-15 11:32:43,233 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22875 states, 22874 states have (on average 2.75474337675964) internal successors, (63012), 22874 states have internal predecessors, (63012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:43,273 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22875 states to 22875 states and 63012 transitions.
[2022-02-15 11:32:43,273 INFO  L78                 Accepts]: Start accepts. Automaton has 22875 states and 63012 transitions. Word has length 199
[2022-02-15 11:32:43,273 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:32:43,273 INFO  L470      AbstractCegarLoop]: Abstraction has 22875 states and 63012 transitions.
[2022-02-15 11:32:43,273 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:43,273 INFO  L276                IsEmpty]: Start isEmpty. Operand 22875 states and 63012 transitions.
[2022-02-15 11:32:43,299 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:32:43,299 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:32:43,300 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:32:43,300 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130
[2022-02-15 11:32:43,300 INFO  L402      AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:32:43,300 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:32:43,300 INFO  L85        PathProgramCache]: Analyzing trace with hash -1681412417, now seen corresponding path program 108 times
[2022-02-15 11:32:43,300 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:32:43,300 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997669807]
[2022-02-15 11:32:43,300 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:32:43,300 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:32:43,308 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:32:43,578 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:32:43,578 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:32:43,578 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997669807]
[2022-02-15 11:32:43,578 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997669807] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:32:43,578 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:32:43,578 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:32:43,578 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902512986]
[2022-02-15 11:32:43,578 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:32:43,578 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:32:43,578 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:32:43,579 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:32:43,579 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:32:43,579 INFO  L87              Difference]: Start difference. First operand 22875 states and 63012 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:46,131 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:32:46,132 INFO  L93              Difference]: Finished difference Result 37567 states and 102859 transitions.
[2022-02-15 11:32:46,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-15 11:32:46,132 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:32:46,132 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:32:46,198 INFO  L225             Difference]: With dead ends: 37567
[2022-02-15 11:32:46,199 INFO  L226             Difference]: Without dead ends: 37567
[2022-02-15 11:32:46,199 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1010 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=643, Invalid=4907, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:32:46,199 INFO  L933         BasicCegarLoop]: 955 mSDtfsCounter, 1834 mSDsluCounter, 20406 mSDsCounter, 0 mSdLazyCounter, 4688 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1834 SdHoareTripleChecker+Valid, 21202 SdHoareTripleChecker+Invalid, 4711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:32:46,200 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1834 Valid, 21202 Invalid, 4711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4688 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:32:46,257 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37567 states.
[2022-02-15 11:32:46,613 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37567 to 22811.
[2022-02-15 11:32:46,639 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22811 states, 22810 states have (on average 2.753353792196405) internal successors, (62804), 22810 states have internal predecessors, (62804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:46,682 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22811 states to 22811 states and 62804 transitions.
[2022-02-15 11:32:46,682 INFO  L78                 Accepts]: Start accepts. Automaton has 22811 states and 62804 transitions. Word has length 199
[2022-02-15 11:32:46,682 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:32:46,682 INFO  L470      AbstractCegarLoop]: Abstraction has 22811 states and 62804 transitions.
[2022-02-15 11:32:46,682 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:46,683 INFO  L276                IsEmpty]: Start isEmpty. Operand 22811 states and 62804 transitions.
[2022-02-15 11:32:46,711 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:32:46,711 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:32:46,711 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:32:46,711 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131
[2022-02-15 11:32:46,711 INFO  L402      AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:32:46,711 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:32:46,711 INFO  L85        PathProgramCache]: Analyzing trace with hash -2058609641, now seen corresponding path program 109 times
[2022-02-15 11:32:46,712 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:32:46,712 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189701215]
[2022-02-15 11:32:46,712 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:32:46,712 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:32:46,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:32:47,004 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:32:47,004 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:32:47,004 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189701215]
[2022-02-15 11:32:47,004 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189701215] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:32:47,004 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:32:47,005 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:32:47,005 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255488581]
[2022-02-15 11:32:47,005 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:32:47,005 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:32:47,005 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:32:47,005 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:32:47,005 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:32:47,005 INFO  L87              Difference]: Start difference. First operand 22811 states and 62804 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:49,406 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:32:49,406 INFO  L93              Difference]: Finished difference Result 35372 states and 96686 transitions.
[2022-02-15 11:32:49,407 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-02-15 11:32:49,407 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:32:49,407 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:32:49,470 INFO  L225             Difference]: With dead ends: 35372
[2022-02-15 11:32:49,471 INFO  L226             Difference]: Without dead ends: 35372
[2022-02-15 11:32:49,471 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=577, Invalid=3979, Unknown=0, NotChecked=0, Total=4556
[2022-02-15 11:32:49,471 INFO  L933         BasicCegarLoop]: 910 mSDtfsCounter, 1627 mSDsluCounter, 19553 mSDsCounter, 0 mSdLazyCounter, 4429 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1627 SdHoareTripleChecker+Valid, 20214 SdHoareTripleChecker+Invalid, 4448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2022-02-15 11:32:49,471 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1627 Valid, 20214 Invalid, 4448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4429 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2022-02-15 11:32:49,525 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 35372 states.
[2022-02-15 11:32:49,809 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 35372 to 22763.
[2022-02-15 11:32:49,834 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22763 states, 22762 states have (on average 2.7528336701520075) internal successors, (62660), 22762 states have internal predecessors, (62660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:49,874 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22763 states to 22763 states and 62660 transitions.
[2022-02-15 11:32:49,875 INFO  L78                 Accepts]: Start accepts. Automaton has 22763 states and 62660 transitions. Word has length 199
[2022-02-15 11:32:49,875 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:32:49,875 INFO  L470      AbstractCegarLoop]: Abstraction has 22763 states and 62660 transitions.
[2022-02-15 11:32:49,875 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:49,875 INFO  L276                IsEmpty]: Start isEmpty. Operand 22763 states and 62660 transitions.
[2022-02-15 11:32:49,901 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:32:49,901 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:32:49,901 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:32:49,901 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132
[2022-02-15 11:32:49,901 INFO  L402      AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:32:49,901 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:32:49,901 INFO  L85        PathProgramCache]: Analyzing trace with hash -1695902953, now seen corresponding path program 110 times
[2022-02-15 11:32:49,901 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:32:49,901 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297113544]
[2022-02-15 11:32:49,902 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:32:49,902 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:32:49,909 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:32:50,184 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:32:50,184 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:32:50,184 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297113544]
[2022-02-15 11:32:50,184 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297113544] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:32:50,184 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:32:50,184 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:32:50,184 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866731263]
[2022-02-15 11:32:50,184 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:32:50,184 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:32:50,184 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:32:50,185 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:32:50,185 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:32:50,185 INFO  L87              Difference]: Start difference. First operand 22763 states and 62660 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:52,819 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:32:52,820 INFO  L93              Difference]: Finished difference Result 39063 states and 106649 transitions.
[2022-02-15 11:32:52,820 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-15 11:32:52,820 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:32:52,820 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:32:52,886 INFO  L225             Difference]: With dead ends: 39063
[2022-02-15 11:32:52,886 INFO  L226             Difference]: Without dead ends: 39063
[2022-02-15 11:32:52,887 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1010 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=647, Invalid=4903, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:32:52,887 INFO  L933         BasicCegarLoop]: 968 mSDtfsCounter, 1849 mSDsluCounter, 21042 mSDsCounter, 0 mSdLazyCounter, 4905 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1849 SdHoareTripleChecker+Valid, 21696 SdHoareTripleChecker+Invalid, 4928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:32:52,887 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1849 Valid, 21696 Invalid, 4928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4905 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:32:52,942 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 39063 states.
[2022-02-15 11:32:53,267 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 39063 to 22875.
[2022-02-15 11:32:53,292 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22875 states, 22874 states have (on average 2.75474337675964) internal successors, (63012), 22874 states have internal predecessors, (63012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:53,333 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22875 states to 22875 states and 63012 transitions.
[2022-02-15 11:32:53,333 INFO  L78                 Accepts]: Start accepts. Automaton has 22875 states and 63012 transitions. Word has length 199
[2022-02-15 11:32:53,333 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:32:53,334 INFO  L470      AbstractCegarLoop]: Abstraction has 22875 states and 63012 transitions.
[2022-02-15 11:32:53,334 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:53,334 INFO  L276                IsEmpty]: Start isEmpty. Operand 22875 states and 63012 transitions.
[2022-02-15 11:32:53,360 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:32:53,360 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:32:53,360 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:32:53,360 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133
[2022-02-15 11:32:53,361 INFO  L402      AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:32:53,361 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:32:53,361 INFO  L85        PathProgramCache]: Analyzing trace with hash 577266301, now seen corresponding path program 111 times
[2022-02-15 11:32:53,361 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:32:53,361 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204275122]
[2022-02-15 11:32:53,361 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:32:53,361 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:32:53,369 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:32:53,637 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:32:53,637 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:32:53,637 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204275122]
[2022-02-15 11:32:53,637 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204275122] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:32:53,637 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:32:53,637 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:32:53,637 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995332547]
[2022-02-15 11:32:53,637 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:32:53,637 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:32:53,637 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:32:53,638 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:32:53,638 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:32:53,638 INFO  L87              Difference]: Start difference. First operand 22875 states and 63012 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:56,311 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:32:56,311 INFO  L93              Difference]: Finished difference Result 38051 states and 104181 transitions.
[2022-02-15 11:32:56,311 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:32:56,312 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:32:56,312 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:32:56,379 INFO  L225             Difference]: With dead ends: 38051
[2022-02-15 11:32:56,379 INFO  L226             Difference]: Without dead ends: 38051
[2022-02-15 11:32:56,380 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1108 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=653, Invalid=5199, Unknown=0, NotChecked=0, Total=5852
[2022-02-15 11:32:56,380 INFO  L933         BasicCegarLoop]: 1012 mSDtfsCounter, 1843 mSDsluCounter, 21714 mSDsCounter, 0 mSdLazyCounter, 4863 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1843 SdHoareTripleChecker+Valid, 22504 SdHoareTripleChecker+Invalid, 4886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:32:56,381 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1843 Valid, 22504 Invalid, 4886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4863 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:32:56,437 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38051 states.
[2022-02-15 11:32:56,788 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38051 to 22811.
[2022-02-15 11:32:56,815 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22811 states, 22810 states have (on average 2.753353792196405) internal successors, (62804), 22810 states have internal predecessors, (62804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:56,858 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22811 states to 22811 states and 62804 transitions.
[2022-02-15 11:32:56,858 INFO  L78                 Accepts]: Start accepts. Automaton has 22811 states and 62804 transitions. Word has length 199
[2022-02-15 11:32:56,859 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:32:56,859 INFO  L470      AbstractCegarLoop]: Abstraction has 22811 states and 62804 transitions.
[2022-02-15 11:32:56,859 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:56,859 INFO  L276                IsEmpty]: Start isEmpty. Operand 22811 states and 62804 transitions.
[2022-02-15 11:32:56,887 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:32:56,887 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:32:56,887 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:32:56,888 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134
[2022-02-15 11:32:56,888 INFO  L402      AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:32:56,888 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:32:56,888 INFO  L85        PathProgramCache]: Analyzing trace with hash 926720185, now seen corresponding path program 112 times
[2022-02-15 11:32:56,888 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:32:56,888 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252384169]
[2022-02-15 11:32:56,888 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:32:56,888 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:32:56,896 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:32:57,172 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:32:57,173 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:32:57,173 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252384169]
[2022-02-15 11:32:57,173 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252384169] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:32:57,173 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:32:57,173 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:32:57,173 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060878032]
[2022-02-15 11:32:57,173 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:32:57,173 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:32:57,173 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:32:57,173 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:32:57,173 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:32:57,174 INFO  L87              Difference]: Start difference. First operand 22811 states and 62804 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:32:59,652 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:32:59,652 INFO  L93              Difference]: Finished difference Result 34792 states and 95378 transitions.
[2022-02-15 11:32:59,652 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-02-15 11:32:59,653 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:32:59,653 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:32:59,712 INFO  L225             Difference]: With dead ends: 34792
[2022-02-15 11:32:59,712 INFO  L226             Difference]: Without dead ends: 34792
[2022-02-15 11:32:59,713 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 854 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=570, Invalid=4400, Unknown=0, NotChecked=0, Total=4970
[2022-02-15 11:32:59,713 INFO  L933         BasicCegarLoop]: 956 mSDtfsCounter, 1581 mSDsluCounter, 20400 mSDsCounter, 0 mSdLazyCounter, 4654 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 21159 SdHoareTripleChecker+Invalid, 4673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2022-02-15 11:32:59,713 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1581 Valid, 21159 Invalid, 4673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4654 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2022-02-15 11:32:59,767 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 34792 states.
[2022-02-15 11:33:00,091 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 34792 to 22727.
[2022-02-15 11:33:00,117 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22727 states, 22726 states have (on average 2.7528381589369006) internal successors, (62561), 22726 states have internal predecessors, (62561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:00,161 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22727 states to 22727 states and 62561 transitions.
[2022-02-15 11:33:00,161 INFO  L78                 Accepts]: Start accepts. Automaton has 22727 states and 62561 transitions. Word has length 199
[2022-02-15 11:33:00,161 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:33:00,162 INFO  L470      AbstractCegarLoop]: Abstraction has 22727 states and 62561 transitions.
[2022-02-15 11:33:00,162 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:00,162 INFO  L276                IsEmpty]: Start isEmpty. Operand 22727 states and 62561 transitions.
[2022-02-15 11:33:00,190 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:33:00,190 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:33:00,190 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:33:00,190 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135
[2022-02-15 11:33:00,190 INFO  L402      AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:33:00,190 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:33:00,190 INFO  L85        PathProgramCache]: Analyzing trace with hash 1020121885, now seen corresponding path program 113 times
[2022-02-15 11:33:00,190 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:33:00,190 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747798496]
[2022-02-15 11:33:00,191 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:33:00,191 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:33:00,198 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:33:00,469 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:33:00,469 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:33:00,469 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747798496]
[2022-02-15 11:33:00,469 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747798496] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:33:00,469 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:33:00,469 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:33:00,469 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478703050]
[2022-02-15 11:33:00,469 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:33:00,469 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:33:00,469 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:33:00,470 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:33:00,470 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:33:00,470 INFO  L87              Difference]: Start difference. First operand 22727 states and 62561 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:03,292 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:33:03,292 INFO  L93              Difference]: Finished difference Result 43109 states and 117525 transitions.
[2022-02-15 11:33:03,292 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2022-02-15 11:33:03,292 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:33:03,293 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:33:03,364 INFO  L225             Difference]: With dead ends: 43109
[2022-02-15 11:33:03,364 INFO  L226             Difference]: Without dead ends: 43109
[2022-02-15 11:33:03,365 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1139 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=701, Invalid=5305, Unknown=0, NotChecked=0, Total=6006
[2022-02-15 11:33:03,365 INFO  L933         BasicCegarLoop]: 1029 mSDtfsCounter, 2030 mSDsluCounter, 22437 mSDsCounter, 0 mSdLazyCounter, 5203 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2030 SdHoareTripleChecker+Valid, 23108 SdHoareTripleChecker+Invalid, 5226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:33:03,365 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2030 Valid, 23108 Invalid, 5226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5203 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:33:03,421 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 43109 states.
[2022-02-15 11:33:03,780 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 43109 to 22855.
[2022-02-15 11:33:03,806 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22855 states, 22854 states have (on average 2.7549225518508793) internal successors, (62961), 22854 states have internal predecessors, (62961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:03,848 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22855 states to 22855 states and 62961 transitions.
[2022-02-15 11:33:03,848 INFO  L78                 Accepts]: Start accepts. Automaton has 22855 states and 62961 transitions. Word has length 199
[2022-02-15 11:33:03,848 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:33:03,848 INFO  L470      AbstractCegarLoop]: Abstraction has 22855 states and 62961 transitions.
[2022-02-15 11:33:03,849 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:03,849 INFO  L276                IsEmpty]: Start isEmpty. Operand 22855 states and 62961 transitions.
[2022-02-15 11:33:03,875 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:33:03,875 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:33:03,875 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:33:03,875 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136
[2022-02-15 11:33:03,875 INFO  L402      AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:33:03,875 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:33:03,875 INFO  L85        PathProgramCache]: Analyzing trace with hash -1001676157, now seen corresponding path program 114 times
[2022-02-15 11:33:03,876 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:33:03,876 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667002208]
[2022-02-15 11:33:03,876 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:33:03,876 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:33:03,883 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:33:04,169 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:33:04,170 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:33:04,170 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667002208]
[2022-02-15 11:33:04,170 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667002208] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:33:04,170 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:33:04,170 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:33:04,170 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27244533]
[2022-02-15 11:33:04,170 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:33:04,170 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:33:04,170 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:33:04,171 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:33:04,171 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:33:04,171 INFO  L87              Difference]: Start difference. First operand 22855 states and 62961 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:07,074 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:33:07,074 INFO  L93              Difference]: Finished difference Result 41926 states and 114619 transitions.
[2022-02-15 11:33:07,074 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2022-02-15 11:33:07,074 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:33:07,075 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:33:07,151 INFO  L225             Difference]: With dead ends: 41926
[2022-02-15 11:33:07,152 INFO  L226             Difference]: Without dead ends: 41926
[2022-02-15 11:33:07,153 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1294 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=724, Invalid=5756, Unknown=0, NotChecked=0, Total=6480
[2022-02-15 11:33:07,153 INFO  L933         BasicCegarLoop]: 1086 mSDtfsCounter, 2005 mSDsluCounter, 23339 mSDsCounter, 0 mSdLazyCounter, 5098 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2005 SdHoareTripleChecker+Valid, 24158 SdHoareTripleChecker+Invalid, 5121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:33:07,153 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2005 Valid, 24158 Invalid, 5121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5098 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:33:07,216 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41926 states.
[2022-02-15 11:33:07,604 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41926 to 22791.
[2022-02-15 11:33:07,632 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22791 states, 22790 states have (on average 2.7535322509872753) internal successors, (62753), 22790 states have internal predecessors, (62753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:07,677 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22791 states to 22791 states and 62753 transitions.
[2022-02-15 11:33:07,677 INFO  L78                 Accepts]: Start accepts. Automaton has 22791 states and 62753 transitions. Word has length 199
[2022-02-15 11:33:07,677 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:33:07,677 INFO  L470      AbstractCegarLoop]: Abstraction has 22791 states and 62753 transitions.
[2022-02-15 11:33:07,677 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:07,677 INFO  L276                IsEmpty]: Start isEmpty. Operand 22791 states and 62753 transitions.
[2022-02-15 11:33:07,706 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:33:07,706 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:33:07,707 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:33:07,707 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137
[2022-02-15 11:33:07,707 INFO  L402      AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:33:07,707 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:33:07,707 INFO  L85        PathProgramCache]: Analyzing trace with hash -652222273, now seen corresponding path program 115 times
[2022-02-15 11:33:07,707 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:33:07,707 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045215808]
[2022-02-15 11:33:07,707 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:33:07,707 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:33:07,715 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:33:08,014 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:33:08,014 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:33:08,015 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045215808]
[2022-02-15 11:33:08,015 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045215808] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:33:08,015 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:33:08,015 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:33:08,015 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804360018]
[2022-02-15 11:33:08,015 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:33:08,015 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:33:08,015 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:33:08,015 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:33:08,016 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:33:08,016 INFO  L87              Difference]: Start difference. First operand 22791 states and 62753 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:10,647 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:33:10,647 INFO  L93              Difference]: Finished difference Result 38096 states and 104372 transitions.
[2022-02-15 11:33:10,647 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2022-02-15 11:33:10,647 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:33:10,648 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:33:10,714 INFO  L225             Difference]: With dead ends: 38096
[2022-02-15 11:33:10,714 INFO  L226             Difference]: Without dead ends: 38096
[2022-02-15 11:33:10,715 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 974 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=615, Invalid=4787, Unknown=0, NotChecked=0, Total=5402
[2022-02-15 11:33:10,715 INFO  L933         BasicCegarLoop]: 1031 mSDtfsCounter, 1715 mSDsluCounter, 22021 mSDsCounter, 0 mSdLazyCounter, 4902 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1715 SdHoareTripleChecker+Valid, 22813 SdHoareTripleChecker+Invalid, 4921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:33:10,715 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1715 Valid, 22813 Invalid, 4921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4902 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:33:10,774 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38096 states.
[2022-02-15 11:33:11,143 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38096 to 22743.
[2022-02-15 11:33:11,170 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22743 states, 22742 states have (on average 2.753012048192771) internal successors, (62609), 22742 states have internal predecessors, (62609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:11,215 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22743 states to 22743 states and 62609 transitions.
[2022-02-15 11:33:11,215 INFO  L78                 Accepts]: Start accepts. Automaton has 22743 states and 62609 transitions. Word has length 199
[2022-02-15 11:33:11,215 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:33:11,215 INFO  L470      AbstractCegarLoop]: Abstraction has 22743 states and 62609 transitions.
[2022-02-15 11:33:11,216 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:11,216 INFO  L276                IsEmpty]: Start isEmpty. Operand 22743 states and 62609 transitions.
[2022-02-15 11:33:11,243 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:33:11,243 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:33:11,243 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:33:11,243 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138
[2022-02-15 11:33:11,243 INFO  L402      AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:33:11,243 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:33:11,243 INFO  L85        PathProgramCache]: Analyzing trace with hash 350149707, now seen corresponding path program 116 times
[2022-02-15 11:33:11,244 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:33:11,244 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863148091]
[2022-02-15 11:33:11,244 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:33:11,244 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:33:11,252 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:33:11,526 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:33:11,526 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:33:11,526 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863148091]
[2022-02-15 11:33:11,526 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863148091] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:33:11,526 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:33:11,526 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:33:11,526 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127557778]
[2022-02-15 11:33:11,526 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:33:11,526 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:33:11,527 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:33:11,527 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:33:11,527 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:33:11,527 INFO  L87              Difference]: Start difference. First operand 22743 states and 62609 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:14,157 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:33:14,157 INFO  L93              Difference]: Finished difference Result 38830 states and 106066 transitions.
[2022-02-15 11:33:14,158 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2022-02-15 11:33:14,158 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:33:14,158 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:33:14,230 INFO  L225             Difference]: With dead ends: 38830
[2022-02-15 11:33:14,230 INFO  L226             Difference]: Without dead ends: 38830
[2022-02-15 11:33:14,231 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 975 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=610, Invalid=4792, Unknown=0, NotChecked=0, Total=5402
[2022-02-15 11:33:14,231 INFO  L933         BasicCegarLoop]: 1060 mSDtfsCounter, 1728 mSDsluCounter, 22711 mSDsCounter, 0 mSdLazyCounter, 4834 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1728 SdHoareTripleChecker+Valid, 23508 SdHoareTripleChecker+Invalid, 4853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:33:14,231 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1728 Valid, 23508 Invalid, 4853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4834 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:33:14,291 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38830 states.
[2022-02-15 11:33:14,645 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38830 to 22559.
[2022-02-15 11:33:14,672 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22559 states, 22558 states have (on average 2.7528592960368825) internal successors, (62099), 22558 states have internal predecessors, (62099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:14,716 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22559 states to 22559 states and 62099 transitions.
[2022-02-15 11:33:14,717 INFO  L78                 Accepts]: Start accepts. Automaton has 22559 states and 62099 transitions. Word has length 199
[2022-02-15 11:33:14,717 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:33:14,717 INFO  L470      AbstractCegarLoop]: Abstraction has 22559 states and 62099 transitions.
[2022-02-15 11:33:14,717 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:14,717 INFO  L276                IsEmpty]: Start isEmpty. Operand 22559 states and 62099 transitions.
[2022-02-15 11:33:14,745 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:33:14,746 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:33:14,746 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:33:14,746 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139
[2022-02-15 11:33:14,746 INFO  L402      AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:33:14,746 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:33:14,746 INFO  L85        PathProgramCache]: Analyzing trace with hash -738284931, now seen corresponding path program 117 times
[2022-02-15 11:33:14,746 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:33:14,746 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810197032]
[2022-02-15 11:33:14,746 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:33:14,746 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:33:14,754 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:33:15,029 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:33:15,029 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:33:15,029 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810197032]
[2022-02-15 11:33:15,029 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810197032] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:33:15,029 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:33:15,030 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:33:15,030 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539315250]
[2022-02-15 11:33:15,030 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:33:15,030 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:33:15,030 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:33:15,030 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:33:15,030 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:33:15,030 INFO  L87              Difference]: Start difference. First operand 22559 states and 62099 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:18,174 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:33:18,174 INFO  L93              Difference]: Finished difference Result 47842 states and 130199 transitions.
[2022-02-15 11:33:18,174 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. 
[2022-02-15 11:33:18,175 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:33:18,175 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:33:18,258 INFO  L225             Difference]: With dead ends: 47842
[2022-02-15 11:33:18,258 INFO  L226             Difference]: Without dead ends: 47842
[2022-02-15 11:33:18,259 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1361 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=810, Invalid=5996, Unknown=0, NotChecked=0, Total=6806
[2022-02-15 11:33:18,260 INFO  L933         BasicCegarLoop]: 1134 mSDtfsCounter, 2276 mSDsluCounter, 24804 mSDsCounter, 0 mSdLazyCounter, 5677 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2276 SdHoareTripleChecker+Valid, 25496 SdHoareTripleChecker+Invalid, 5700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2022-02-15 11:33:18,260 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2276 Valid, 25496 Invalid, 5700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5677 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2022-02-15 11:33:18,327 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 47842 states.
[2022-02-15 11:33:18,719 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 47842 to 22911.
[2022-02-15 11:33:18,747 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22911 states, 22910 states have (on average 2.7573548668703625) internal successors, (63171), 22910 states have internal predecessors, (63171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:18,790 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22911 states to 22911 states and 63171 transitions.
[2022-02-15 11:33:18,790 INFO  L78                 Accepts]: Start accepts. Automaton has 22911 states and 63171 transitions. Word has length 199
[2022-02-15 11:33:18,790 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:33:18,790 INFO  L470      AbstractCegarLoop]: Abstraction has 22911 states and 63171 transitions.
[2022-02-15 11:33:18,790 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:18,790 INFO  L276                IsEmpty]: Start isEmpty. Operand 22911 states and 63171 transitions.
[2022-02-15 11:33:18,818 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:33:18,818 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:33:18,818 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:33:18,818 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140
[2022-02-15 11:33:18,818 INFO  L402      AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:33:18,818 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:33:18,818 INFO  L85        PathProgramCache]: Analyzing trace with hash 1534884323, now seen corresponding path program 118 times
[2022-02-15 11:33:18,818 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:33:18,819 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37632518]
[2022-02-15 11:33:18,819 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:33:18,819 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:33:18,826 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:33:19,121 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:33:19,122 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:33:19,122 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37632518]
[2022-02-15 11:33:19,122 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37632518] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:33:19,122 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:33:19,122 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:33:19,122 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935604952]
[2022-02-15 11:33:19,122 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:33:19,122 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:33:19,122 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:33:19,122 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:33:19,122 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:33:19,123 INFO  L87              Difference]: Start difference. First operand 22911 states and 63171 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:22,149 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:33:22,149 INFO  L93              Difference]: Finished difference Result 45337 states and 123834 transitions.
[2022-02-15 11:33:22,149 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2022-02-15 11:33:22,149 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:33:22,149 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:33:22,226 INFO  L225             Difference]: With dead ends: 45337
[2022-02-15 11:33:22,226 INFO  L226             Difference]: Without dead ends: 45337
[2022-02-15 11:33:22,227 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1445 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=783, Invalid=6189, Unknown=0, NotChecked=0, Total=6972
[2022-02-15 11:33:22,227 INFO  L933         BasicCegarLoop]: 1141 mSDtfsCounter, 2173 mSDsluCounter, 24697 mSDsCounter, 0 mSdLazyCounter, 5378 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2173 SdHoareTripleChecker+Valid, 25522 SdHoareTripleChecker+Invalid, 5401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:33:22,227 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2173 Valid, 25522 Invalid, 5401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5378 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:33:22,288 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 45337 states.
[2022-02-15 11:33:22,718 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 45337 to 22847.
[2022-02-15 11:33:22,745 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22847 states, 22846 states have (on average 2.755974787709008) internal successors, (62963), 22846 states have internal predecessors, (62963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:22,789 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22847 states to 22847 states and 62963 transitions.
[2022-02-15 11:33:22,790 INFO  L78                 Accepts]: Start accepts. Automaton has 22847 states and 62963 transitions. Word has length 199
[2022-02-15 11:33:22,790 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:33:22,790 INFO  L470      AbstractCegarLoop]: Abstraction has 22847 states and 62963 transitions.
[2022-02-15 11:33:22,790 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:22,790 INFO  L276                IsEmpty]: Start isEmpty. Operand 22847 states and 62963 transitions.
[2022-02-15 11:33:22,819 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:33:22,819 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:33:22,819 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:33:22,820 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141
[2022-02-15 11:33:22,820 INFO  L402      AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:33:22,820 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:33:22,820 INFO  L85        PathProgramCache]: Analyzing trace with hash -836945603, now seen corresponding path program 119 times
[2022-02-15 11:33:22,820 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:33:22,820 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651650115]
[2022-02-15 11:33:22,821 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:33:22,821 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:33:22,828 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:33:23,099 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:33:23,099 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:33:23,099 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651650115]
[2022-02-15 11:33:23,099 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651650115] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:33:23,099 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:33:23,099 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:33:23,099 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455954548]
[2022-02-15 11:33:23,099 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:33:23,100 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:33:23,100 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:33:23,100 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:33:23,100 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:33:23,100 INFO  L87              Difference]: Start difference. First operand 22847 states and 62963 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:25,948 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:33:25,948 INFO  L93              Difference]: Finished difference Result 43479 states and 119049 transitions.
[2022-02-15 11:33:25,948 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2022-02-15 11:33:25,948 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:33:25,948 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:33:26,026 INFO  L225             Difference]: With dead ends: 43479
[2022-02-15 11:33:26,026 INFO  L226             Difference]: Without dead ends: 43479
[2022-02-15 11:33:26,027 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=684, Invalid=5322, Unknown=0, NotChecked=0, Total=6006
[2022-02-15 11:33:26,027 INFO  L933         BasicCegarLoop]: 1136 mSDtfsCounter, 1903 mSDsluCounter, 24275 mSDsCounter, 0 mSdLazyCounter, 5345 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1903 SdHoareTripleChecker+Valid, 25110 SdHoareTripleChecker+Invalid, 5364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:33:26,028 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1903 Valid, 25110 Invalid, 5364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5345 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:33:26,089 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 43479 states.
[2022-02-15 11:33:26,447 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 43479 to 22799.
[2022-02-15 11:33:26,472 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22799 states, 22798 states have (on average 2.7554610053513464) internal successors, (62819), 22798 states have internal predecessors, (62819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:26,514 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22799 states to 22799 states and 62819 transitions.
[2022-02-15 11:33:26,514 INFO  L78                 Accepts]: Start accepts. Automaton has 22799 states and 62819 transitions. Word has length 199
[2022-02-15 11:33:26,514 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:33:26,514 INFO  L470      AbstractCegarLoop]: Abstraction has 22799 states and 62819 transitions.
[2022-02-15 11:33:26,514 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:26,514 INFO  L276                IsEmpty]: Start isEmpty. Operand 22799 states and 62819 transitions.
[2022-02-15 11:33:26,541 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:33:26,541 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:33:26,541 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:33:26,541 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142
[2022-02-15 11:33:26,541 INFO  L402      AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:33:26,541 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:33:26,541 INFO  L85        PathProgramCache]: Analyzing trace with hash 764341297, now seen corresponding path program 120 times
[2022-02-15 11:33:26,542 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:33:26,542 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006788699]
[2022-02-15 11:33:26,542 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:33:26,542 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:33:26,549 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:33:26,821 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:33:26,821 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:33:26,821 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006788699]
[2022-02-15 11:33:26,821 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006788699] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:33:26,821 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:33:26,821 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:33:26,821 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303673781]
[2022-02-15 11:33:26,821 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:33:26,822 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:33:26,822 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:33:26,822 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:33:26,822 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:33:26,822 INFO  L87              Difference]: Start difference. First operand 22799 states and 62819 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:29,675 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:33:29,675 INFO  L93              Difference]: Finished difference Result 44837 states and 122441 transitions.
[2022-02-15 11:33:29,675 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2022-02-15 11:33:29,675 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:33:29,676 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:33:29,758 INFO  L225             Difference]: With dead ends: 44837
[2022-02-15 11:33:29,759 INFO  L226             Difference]: Without dead ends: 44837
[2022-02-15 11:33:29,759 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=682, Invalid=5324, Unknown=0, NotChecked=0, Total=6006
[2022-02-15 11:33:29,760 INFO  L933         BasicCegarLoop]: 1149 mSDtfsCounter, 1959 mSDsluCounter, 24568 mSDsCounter, 0 mSdLazyCounter, 5267 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1959 SdHoareTripleChecker+Valid, 25413 SdHoareTripleChecker+Invalid, 5286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:33:29,760 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1959 Valid, 25413 Invalid, 5286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5267 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:33:29,817 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44837 states.
[2022-02-15 11:33:30,162 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44837 to 22783.
[2022-02-15 11:33:30,188 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22783 states, 22782 states have (on average 2.7552892634536037) internal successors, (62771), 22782 states have internal predecessors, (62771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:30,230 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22783 states to 22783 states and 62771 transitions.
[2022-02-15 11:33:30,230 INFO  L78                 Accepts]: Start accepts. Automaton has 22783 states and 62771 transitions. Word has length 199
[2022-02-15 11:33:30,230 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:33:30,230 INFO  L470      AbstractCegarLoop]: Abstraction has 22783 states and 62771 transitions.
[2022-02-15 11:33:30,230 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:30,230 INFO  L276                IsEmpty]: Start isEmpty. Operand 22783 states and 62771 transitions.
[2022-02-15 11:33:30,256 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:33:30,257 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:33:30,257 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:33:30,257 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143
[2022-02-15 11:33:30,257 INFO  L402      AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:33:30,257 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:33:30,257 INFO  L85        PathProgramCache]: Analyzing trace with hash 163109979, now seen corresponding path program 121 times
[2022-02-15 11:33:30,257 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:33:30,257 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480728216]
[2022-02-15 11:33:30,257 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:33:30,258 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:33:30,265 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:33:30,532 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:33:30,532 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:33:30,532 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480728216]
[2022-02-15 11:33:30,532 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480728216] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:33:30,532 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:33:30,532 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:33:30,532 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620012969]
[2022-02-15 11:33:30,532 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:33:30,532 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:33:30,532 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:33:30,533 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:33:30,533 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:33:30,533 INFO  L87              Difference]: Start difference. First operand 22783 states and 62771 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:33,357 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:33:33,357 INFO  L93              Difference]: Finished difference Result 46080 states and 125613 transitions.
[2022-02-15 11:33:33,357 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2022-02-15 11:33:33,358 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:33:33,358 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:33:33,436 INFO  L225             Difference]: With dead ends: 46080
[2022-02-15 11:33:33,436 INFO  L226             Difference]: Without dead ends: 46080
[2022-02-15 11:33:33,437 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=677, Invalid=5329, Unknown=0, NotChecked=0, Total=6006
[2022-02-15 11:33:33,437 INFO  L933         BasicCegarLoop]: 1186 mSDtfsCounter, 1929 mSDsluCounter, 25314 mSDsCounter, 0 mSdLazyCounter, 5264 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1929 SdHoareTripleChecker+Valid, 26177 SdHoareTripleChecker+Invalid, 5283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:33:33,437 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1929 Valid, 26177 Invalid, 5283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5264 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:33:33,506 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 46080 states.
[2022-02-15 11:33:33,924 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 46080 to 22575.
[2022-02-15 11:33:33,951 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22575 states, 22574 states have (on average 2.753034464428103) internal successors, (62147), 22574 states have internal predecessors, (62147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:33,995 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22575 states to 22575 states and 62147 transitions.
[2022-02-15 11:33:33,995 INFO  L78                 Accepts]: Start accepts. Automaton has 22575 states and 62147 transitions. Word has length 199
[2022-02-15 11:33:33,996 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:33:33,996 INFO  L470      AbstractCegarLoop]: Abstraction has 22575 states and 62147 transitions.
[2022-02-15 11:33:33,996 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:33,996 INFO  L276                IsEmpty]: Start isEmpty. Operand 22575 states and 62147 transitions.
[2022-02-15 11:33:34,024 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:33:34,024 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:33:34,024 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:33:34,024 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144
[2022-02-15 11:33:34,024 INFO  L402      AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:33:34,024 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:33:34,024 INFO  L85        PathProgramCache]: Analyzing trace with hash 2093123481, now seen corresponding path program 122 times
[2022-02-15 11:33:34,025 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:33:34,025 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903657164]
[2022-02-15 11:33:34,025 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:33:34,025 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:33:34,033 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:33:34,308 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:33:34,308 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:33:34,308 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903657164]
[2022-02-15 11:33:34,308 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903657164] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:33:34,308 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:33:34,308 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:33:34,308 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872697248]
[2022-02-15 11:33:34,308 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:33:34,309 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:33:34,309 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:33:34,309 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:33:34,309 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:33:34,309 INFO  L87              Difference]: Start difference. First operand 22575 states and 62147 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:37,033 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:33:37,034 INFO  L93              Difference]: Finished difference Result 41649 states and 113505 transitions.
[2022-02-15 11:33:37,034 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-15 11:33:37,034 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:33:37,034 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:33:37,110 INFO  L225             Difference]: With dead ends: 41649
[2022-02-15 11:33:37,110 INFO  L226             Difference]: Without dead ends: 41649
[2022-02-15 11:33:37,111 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1017 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=624, Invalid=4926, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:33:37,111 INFO  L933         BasicCegarLoop]: 1142 mSDtfsCounter, 1855 mSDsluCounter, 24439 mSDsCounter, 0 mSdLazyCounter, 5006 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1855 SdHoareTripleChecker+Valid, 25259 SdHoareTripleChecker+Invalid, 5025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:33:37,111 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1855 Valid, 25259 Invalid, 5025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5006 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:33:37,174 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41649 states.
[2022-02-15 11:33:37,547 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41649 to 22547.
[2022-02-15 11:33:37,574 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22547 states, 22546 states have (on average 2.7528608178834384) internal successors, (62066), 22546 states have internal predecessors, (62066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:37,619 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22547 states to 22547 states and 62066 transitions.
[2022-02-15 11:33:37,619 INFO  L78                 Accepts]: Start accepts. Automaton has 22547 states and 62066 transitions. Word has length 199
[2022-02-15 11:33:37,619 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:33:37,619 INFO  L470      AbstractCegarLoop]: Abstraction has 22547 states and 62066 transitions.
[2022-02-15 11:33:37,620 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:37,620 INFO  L276                IsEmpty]: Start isEmpty. Operand 22547 states and 62066 transitions.
[2022-02-15 11:33:37,649 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:33:37,649 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:33:37,649 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:33:37,649 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145
[2022-02-15 11:33:37,649 INFO  L402      AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:33:37,649 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:33:37,649 INFO  L85        PathProgramCache]: Analyzing trace with hash -1710832207, now seen corresponding path program 123 times
[2022-02-15 11:33:37,650 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:33:37,650 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143311371]
[2022-02-15 11:33:37,650 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:33:37,650 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:33:37,658 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:33:37,938 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:33:37,938 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:33:37,938 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143311371]
[2022-02-15 11:33:37,938 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143311371] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:33:37,938 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:33:37,938 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:33:37,938 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360124405]
[2022-02-15 11:33:37,938 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:33:37,938 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:33:37,939 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:33:37,939 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:33:37,939 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:33:37,939 INFO  L87              Difference]: Start difference. First operand 22547 states and 62066 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:41,159 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:33:41,159 INFO  L93              Difference]: Finished difference Result 47477 states and 129167 transitions.
[2022-02-15 11:33:41,160 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-15 11:33:41,160 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:33:41,160 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:33:41,237 INFO  L225             Difference]: With dead ends: 47477
[2022-02-15 11:33:41,238 INFO  L226             Difference]: Without dead ends: 47477
[2022-02-15 11:33:41,238 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1450 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=865, Invalid=6275, Unknown=0, NotChecked=0, Total=7140
[2022-02-15 11:33:41,238 INFO  L933         BasicCegarLoop]: 1144 mSDtfsCounter, 2404 mSDsluCounter, 25026 mSDsCounter, 0 mSdLazyCounter, 5471 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2404 SdHoareTripleChecker+Valid, 25689 SdHoareTripleChecker+Invalid, 5494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2022-02-15 11:33:41,239 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2404 Valid, 25689 Invalid, 5494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5471 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2022-02-15 11:33:41,299 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 47477 states.
[2022-02-15 11:33:41,662 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 47477 to 22947.
[2022-02-15 11:33:41,688 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22947 states, 22946 states have (on average 2.7578662947790464) internal successors, (63282), 22946 states have internal predecessors, (63282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:41,730 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22947 states to 22947 states and 63282 transitions.
[2022-02-15 11:33:41,730 INFO  L78                 Accepts]: Start accepts. Automaton has 22947 states and 63282 transitions. Word has length 199
[2022-02-15 11:33:41,730 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:33:41,730 INFO  L470      AbstractCegarLoop]: Abstraction has 22947 states and 63282 transitions.
[2022-02-15 11:33:41,731 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:41,731 INFO  L276                IsEmpty]: Start isEmpty. Operand 22947 states and 63282 transitions.
[2022-02-15 11:33:41,757 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:33:41,757 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:33:41,757 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:33:41,757 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146
[2022-02-15 11:33:41,757 INFO  L402      AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:33:41,758 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:33:41,758 INFO  L85        PathProgramCache]: Analyzing trace with hash 562337047, now seen corresponding path program 124 times
[2022-02-15 11:33:41,758 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:33:41,758 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907284902]
[2022-02-15 11:33:41,758 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:33:41,758 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:33:41,766 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:33:42,035 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:33:42,035 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:33:42,035 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907284902]
[2022-02-15 11:33:42,035 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907284902] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:33:42,035 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:33:42,035 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:33:42,036 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555998196]
[2022-02-15 11:33:42,036 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:33:42,036 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:33:42,036 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:33:42,036 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:33:42,036 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:33:42,036 INFO  L87              Difference]: Start difference. First operand 22947 states and 63282 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:44,973 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:33:44,973 INFO  L93              Difference]: Finished difference Result 44564 states and 121725 transitions.
[2022-02-15 11:33:44,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2022-02-15 11:33:44,974 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:33:44,974 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:33:45,057 INFO  L225             Difference]: With dead ends: 44564
[2022-02-15 11:33:45,057 INFO  L226             Difference]: Without dead ends: 44564
[2022-02-15 11:33:45,058 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1444 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=797, Invalid=6175, Unknown=0, NotChecked=0, Total=6972
[2022-02-15 11:33:45,058 INFO  L933         BasicCegarLoop]: 1118 mSDtfsCounter, 2262 mSDsluCounter, 24281 mSDsCounter, 0 mSdLazyCounter, 5127 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2262 SdHoareTripleChecker+Valid, 25060 SdHoareTripleChecker+Invalid, 5150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:33:45,058 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2262 Valid, 25060 Invalid, 5150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5127 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:33:45,128 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44564 states.
[2022-02-15 11:33:45,510 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44564 to 22883.
[2022-02-15 11:33:45,537 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22883 states, 22882 states have (on average 2.7564898173236605) internal successors, (63074), 22882 states have internal predecessors, (63074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:45,580 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22883 states to 22883 states and 63074 transitions.
[2022-02-15 11:33:45,580 INFO  L78                 Accepts]: Start accepts. Automaton has 22883 states and 63074 transitions. Word has length 199
[2022-02-15 11:33:45,580 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:33:45,580 INFO  L470      AbstractCegarLoop]: Abstraction has 22883 states and 63074 transitions.
[2022-02-15 11:33:45,580 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:45,580 INFO  L276                IsEmpty]: Start isEmpty. Operand 22883 states and 63074 transitions.
[2022-02-15 11:33:45,608 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:33:45,608 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:33:45,608 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:33:45,608 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147
[2022-02-15 11:33:45,608 INFO  L402      AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:33:45,608 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:33:45,609 INFO  L85        PathProgramCache]: Analyzing trace with hash -1809492879, now seen corresponding path program 125 times
[2022-02-15 11:33:45,609 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:33:45,609 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428722171]
[2022-02-15 11:33:45,609 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:33:45,609 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:33:45,617 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:33:45,912 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:33:45,912 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:33:45,912 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428722171]
[2022-02-15 11:33:45,912 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428722171] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:33:45,912 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:33:45,912 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:33:45,912 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620796135]
[2022-02-15 11:33:45,912 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:33:45,913 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:33:45,913 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:33:45,913 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:33:45,913 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:33:45,913 INFO  L87              Difference]: Start difference. First operand 22883 states and 63074 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:48,666 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:33:48,667 INFO  L93              Difference]: Finished difference Result 42706 states and 116940 transitions.
[2022-02-15 11:33:48,667 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2022-02-15 11:33:48,667 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:33:48,667 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:33:48,738 INFO  L225             Difference]: With dead ends: 42706
[2022-02-15 11:33:48,738 INFO  L226             Difference]: Without dead ends: 42706
[2022-02-15 11:33:48,739 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=694, Invalid=5312, Unknown=0, NotChecked=0, Total=6006
[2022-02-15 11:33:48,739 INFO  L933         BasicCegarLoop]: 1113 mSDtfsCounter, 1992 mSDsluCounter, 23772 mSDsCounter, 0 mSdLazyCounter, 5090 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 24565 SdHoareTripleChecker+Invalid, 5109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:33:48,740 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1992 Valid, 24565 Invalid, 5109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5090 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:33:48,795 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42706 states.
[2022-02-15 11:33:49,133 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42706 to 22835.
[2022-02-15 11:33:49,160 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22835 states, 22834 states have (on average 2.7559779276517475) internal successors, (62930), 22834 states have internal predecessors, (62930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:49,204 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22835 states to 22835 states and 62930 transitions.
[2022-02-15 11:33:49,205 INFO  L78                 Accepts]: Start accepts. Automaton has 22835 states and 62930 transitions. Word has length 199
[2022-02-15 11:33:49,205 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:33:49,205 INFO  L470      AbstractCegarLoop]: Abstraction has 22835 states and 62930 transitions.
[2022-02-15 11:33:49,205 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:49,205 INFO  L276                IsEmpty]: Start isEmpty. Operand 22835 states and 62930 transitions.
[2022-02-15 11:33:49,233 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:33:49,234 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:33:49,234 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:33:49,234 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148
[2022-02-15 11:33:49,234 INFO  L402      AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:33:49,234 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:33:49,234 INFO  L85        PathProgramCache]: Analyzing trace with hash -208205979, now seen corresponding path program 126 times
[2022-02-15 11:33:49,234 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:33:49,234 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127201012]
[2022-02-15 11:33:49,234 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:33:49,234 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:33:49,246 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:33:49,515 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:33:49,515 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:33:49,515 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127201012]
[2022-02-15 11:33:49,515 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127201012] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:33:49,515 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:33:49,515 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:33:49,515 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522902957]
[2022-02-15 11:33:49,515 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:33:49,516 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:33:49,516 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:33:49,516 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:33:49,516 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:33:49,516 INFO  L87              Difference]: Start difference. First operand 22835 states and 62930 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:52,286 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:33:52,287 INFO  L93              Difference]: Finished difference Result 44064 states and 120332 transitions.
[2022-02-15 11:33:52,287 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2022-02-15 11:33:52,287 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:33:52,287 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:33:52,359 INFO  L225             Difference]: With dead ends: 44064
[2022-02-15 11:33:52,359 INFO  L226             Difference]: Without dead ends: 44064
[2022-02-15 11:33:52,360 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1145 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=693, Invalid=5313, Unknown=0, NotChecked=0, Total=6006
[2022-02-15 11:33:52,360 INFO  L933         BasicCegarLoop]: 1126 mSDtfsCounter, 2048 mSDsluCounter, 24046 mSDsCounter, 0 mSdLazyCounter, 5021 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 24849 SdHoareTripleChecker+Invalid, 5040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:33:52,360 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2048 Valid, 24849 Invalid, 5040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5021 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:33:52,424 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44064 states.
[2022-02-15 11:33:52,819 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44064 to 22819.
[2022-02-15 11:33:52,846 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22819 states, 22818 states have (on average 2.755806819177842) internal successors, (62882), 22818 states have internal predecessors, (62882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:52,892 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22819 states to 22819 states and 62882 transitions.
[2022-02-15 11:33:52,892 INFO  L78                 Accepts]: Start accepts. Automaton has 22819 states and 62882 transitions. Word has length 199
[2022-02-15 11:33:52,892 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:33:52,892 INFO  L470      AbstractCegarLoop]: Abstraction has 22819 states and 62882 transitions.
[2022-02-15 11:33:52,892 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:52,892 INFO  L276                IsEmpty]: Start isEmpty. Operand 22819 states and 62882 transitions.
[2022-02-15 11:33:52,921 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:33:52,921 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:33:52,921 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:33:52,921 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149
[2022-02-15 11:33:52,922 INFO  L402      AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:33:52,922 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:33:52,922 INFO  L85        PathProgramCache]: Analyzing trace with hash -809437297, now seen corresponding path program 127 times
[2022-02-15 11:33:52,922 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:33:52,922 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638008188]
[2022-02-15 11:33:52,922 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:33:52,922 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:33:52,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:33:53,203 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:33:53,204 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:33:53,204 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638008188]
[2022-02-15 11:33:53,204 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638008188] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:33:53,204 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:33:53,204 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:33:53,204 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314635814]
[2022-02-15 11:33:53,204 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:33:53,204 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:33:53,204 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:33:53,204 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:33:53,204 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:33:53,205 INFO  L87              Difference]: Start difference. First operand 22819 states and 62882 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:55,991 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:33:55,991 INFO  L93              Difference]: Finished difference Result 45307 states and 123504 transitions.
[2022-02-15 11:33:55,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2022-02-15 11:33:55,992 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:33:55,992 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:33:56,068 INFO  L225             Difference]: With dead ends: 45307
[2022-02-15 11:33:56,068 INFO  L226             Difference]: Without dead ends: 45307
[2022-02-15 11:33:56,069 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1144 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=689, Invalid=5317, Unknown=0, NotChecked=0, Total=6006
[2022-02-15 11:33:56,069 INFO  L933         BasicCegarLoop]: 1163 mSDtfsCounter, 2018 mSDsluCounter, 24750 mSDsCounter, 0 mSdLazyCounter, 5023 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2018 SdHoareTripleChecker+Valid, 25572 SdHoareTripleChecker+Invalid, 5042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:33:56,069 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2018 Valid, 25572 Invalid, 5042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5023 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:33:56,129 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 45307 states.
[2022-02-15 11:33:56,546 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 45307 to 22611.
[2022-02-15 11:33:56,572 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22611 states, 22610 states have (on average 2.753560371517028) internal successors, (62258), 22610 states have internal predecessors, (62258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:56,613 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22611 states to 22611 states and 62258 transitions.
[2022-02-15 11:33:56,614 INFO  L78                 Accepts]: Start accepts. Automaton has 22611 states and 62258 transitions. Word has length 199
[2022-02-15 11:33:56,614 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:33:56,614 INFO  L470      AbstractCegarLoop]: Abstraction has 22611 states and 62258 transitions.
[2022-02-15 11:33:56,614 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:56,614 INFO  L276                IsEmpty]: Start isEmpty. Operand 22611 states and 62258 transitions.
[2022-02-15 11:33:56,641 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:33:56,641 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:33:56,641 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:33:56,641 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150
[2022-02-15 11:33:56,641 INFO  L402      AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:33:56,642 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:33:56,642 INFO  L85        PathProgramCache]: Analyzing trace with hash 1120576205, now seen corresponding path program 128 times
[2022-02-15 11:33:56,642 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:33:56,642 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804768029]
[2022-02-15 11:33:56,642 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:33:56,642 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:33:56,650 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:33:56,913 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:33:56,913 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:33:56,913 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804768029]
[2022-02-15 11:33:56,913 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804768029] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:33:56,913 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:33:56,913 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:33:56,913 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399543370]
[2022-02-15 11:33:56,913 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:33:56,913 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:33:56,913 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:33:56,914 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:33:56,914 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:33:56,914 INFO  L87              Difference]: Start difference. First operand 22611 states and 62258 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:33:59,638 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:33:59,638 INFO  L93              Difference]: Finished difference Result 45965 states and 125226 transitions.
[2022-02-15 11:33:59,638 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:33:59,638 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:33:59,638 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:33:59,717 INFO  L225             Difference]: With dead ends: 45965
[2022-02-15 11:33:59,717 INFO  L226             Difference]: Without dead ends: 45965
[2022-02-15 11:33:59,718 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1100 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=667, Invalid=5185, Unknown=0, NotChecked=0, Total=5852
[2022-02-15 11:33:59,718 INFO  L933         BasicCegarLoop]: 1167 mSDtfsCounter, 2008 mSDsluCounter, 24912 mSDsCounter, 0 mSdLazyCounter, 5025 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2008 SdHoareTripleChecker+Valid, 25737 SdHoareTripleChecker+Invalid, 5044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:33:59,718 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2008 Valid, 25737 Invalid, 5044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5025 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:33:59,786 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 45965 states.
[2022-02-15 11:34:00,186 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 45965 to 22595.
[2022-02-15 11:34:00,213 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22595 states, 22594 states have (on average 2.7533858546516776) internal successors, (62210), 22594 states have internal predecessors, (62210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:00,253 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62210 transitions.
[2022-02-15 11:34:00,253 INFO  L78                 Accepts]: Start accepts. Automaton has 22595 states and 62210 transitions. Word has length 199
[2022-02-15 11:34:00,253 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:34:00,254 INFO  L470      AbstractCegarLoop]: Abstraction has 22595 states and 62210 transitions.
[2022-02-15 11:34:00,254 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:00,254 INFO  L276                IsEmpty]: Start isEmpty. Operand 22595 states and 62210 transitions.
[2022-02-15 11:34:00,279 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:34:00,279 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:34:00,279 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:34:00,280 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151
[2022-02-15 11:34:00,280 INFO  L402      AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:34:00,280 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:34:00,280 INFO  L85        PathProgramCache]: Analyzing trace with hash -528349789, now seen corresponding path program 129 times
[2022-02-15 11:34:00,280 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:34:00,280 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821797607]
[2022-02-15 11:34:00,280 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:34:00,280 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:34:00,289 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:34:00,557 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:34:00,557 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:34:00,557 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821797607]
[2022-02-15 11:34:00,557 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821797607] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:34:00,557 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:34:00,557 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:34:00,557 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750222814]
[2022-02-15 11:34:00,557 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:34:00,557 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:34:00,557 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:34:00,558 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:34:00,558 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:34:00,558 INFO  L87              Difference]: Start difference. First operand 22595 states and 62210 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:03,061 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:34:03,061 INFO  L93              Difference]: Finished difference Result 40930 states and 111524 transitions.
[2022-02-15 11:34:03,061 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2022-02-15 11:34:03,061 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:34:03,061 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:34:03,128 INFO  L225             Difference]: With dead ends: 40930
[2022-02-15 11:34:03,128 INFO  L226             Difference]: Without dead ends: 40930
[2022-02-15 11:34:03,129 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 972 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=619, Invalid=4783, Unknown=0, NotChecked=0, Total=5402
[2022-02-15 11:34:03,129 INFO  L933         BasicCegarLoop]: 1118 mSDtfsCounter, 1890 mSDsluCounter, 23950 mSDsCounter, 0 mSdLazyCounter, 4613 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1890 SdHoareTripleChecker+Valid, 24728 SdHoareTripleChecker+Invalid, 4632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2022-02-15 11:34:03,129 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1890 Valid, 24728 Invalid, 4632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4613 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2022-02-15 11:34:03,183 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40930 states.
[2022-02-15 11:34:03,499 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40930 to 22511.
[2022-02-15 11:34:03,524 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22511 states, 22510 states have (on average 2.7528653931585962) internal successors, (61967), 22510 states have internal predecessors, (61967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:03,565 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions.
[2022-02-15 11:34:03,565 INFO  L78                 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199
[2022-02-15 11:34:03,566 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:34:03,566 INFO  L470      AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions.
[2022-02-15 11:34:03,566 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:03,566 INFO  L276                IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions.
[2022-02-15 11:34:03,593 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:34:03,594 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:34:03,594 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:34:03,594 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152
[2022-02-15 11:34:03,594 INFO  L402      AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:34:03,594 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:34:03,594 INFO  L85        PathProgramCache]: Analyzing trace with hash -903139061, now seen corresponding path program 130 times
[2022-02-15 11:34:03,594 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:34:03,594 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410311474]
[2022-02-15 11:34:03,594 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:34:03,595 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:34:03,602 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:34:03,877 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:34:03,877 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:34:03,877 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410311474]
[2022-02-15 11:34:03,877 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410311474] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:34:03,877 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:34:03,877 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:34:03,877 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442474217]
[2022-02-15 11:34:03,877 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:34:03,877 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:34:03,878 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:34:03,878 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:34:03,878 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:34:03,878 INFO  L87              Difference]: Start difference. First operand 22511 states and 61967 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:06,688 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:34:06,688 INFO  L93              Difference]: Finished difference Result 44432 states and 121038 transitions.
[2022-02-15 11:34:06,688 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2022-02-15 11:34:06,688 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:34:06,688 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:34:06,761 INFO  L225             Difference]: With dead ends: 44432
[2022-02-15 11:34:06,761 INFO  L226             Difference]: Without dead ends: 44432
[2022-02-15 11:34:06,762 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1289 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=737, Invalid=5743, Unknown=0, NotChecked=0, Total=6480
[2022-02-15 11:34:06,762 INFO  L933         BasicCegarLoop]: 1028 mSDtfsCounter, 2147 mSDsluCounter, 22633 mSDsCounter, 0 mSdLazyCounter, 5111 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2147 SdHoareTripleChecker+Valid, 23301 SdHoareTripleChecker+Invalid, 5134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:34:06,762 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2147 Valid, 23301 Invalid, 5134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5111 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:34:06,818 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44432 states.
[2022-02-15 11:34:07,162 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44432 to 23087.
[2022-02-15 11:34:07,188 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23087 states, 23086 states have (on average 2.757125530624621) internal successors, (63651), 23086 states have internal predecessors, (63651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:07,228 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23087 states to 23087 states and 63651 transitions.
[2022-02-15 11:34:07,228 INFO  L78                 Accepts]: Start accepts. Automaton has 23087 states and 63651 transitions. Word has length 199
[2022-02-15 11:34:07,228 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:34:07,228 INFO  L470      AbstractCegarLoop]: Abstraction has 23087 states and 63651 transitions.
[2022-02-15 11:34:07,228 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:07,228 INFO  L276                IsEmpty]: Start isEmpty. Operand 23087 states and 63651 transitions.
[2022-02-15 11:34:07,254 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:34:07,254 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:34:07,254 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:34:07,254 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153
[2022-02-15 11:34:07,254 INFO  L402      AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:34:07,254 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:34:07,254 INFO  L85        PathProgramCache]: Analyzing trace with hash 1370030193, now seen corresponding path program 131 times
[2022-02-15 11:34:07,254 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:34:07,255 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753114630]
[2022-02-15 11:34:07,255 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:34:07,255 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:34:07,262 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:34:07,530 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:34:07,530 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:34:07,530 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753114630]
[2022-02-15 11:34:07,530 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753114630] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:34:07,530 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:34:07,530 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:34:07,530 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480516303]
[2022-02-15 11:34:07,530 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:34:07,531 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:34:07,531 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:34:07,531 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:34:07,531 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:34:07,531 INFO  L87              Difference]: Start difference. First operand 23087 states and 63651 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:10,311 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:34:10,311 INFO  L93              Difference]: Finished difference Result 42585 states and 116395 transitions.
[2022-02-15 11:34:10,312 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2022-02-15 11:34:10,312 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:34:10,312 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:34:10,381 INFO  L225             Difference]: With dead ends: 42585
[2022-02-15 11:34:10,381 INFO  L226             Difference]: Without dead ends: 42585
[2022-02-15 11:34:10,382 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1458 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=751, Invalid=6221, Unknown=0, NotChecked=0, Total=6972
[2022-02-15 11:34:10,383 INFO  L933         BasicCegarLoop]: 1046 mSDtfsCounter, 2107 mSDsluCounter, 22782 mSDsCounter, 0 mSdLazyCounter, 4984 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2107 SdHoareTripleChecker+Valid, 23578 SdHoareTripleChecker+Invalid, 5007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:34:10,383 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2107 Valid, 23578 Invalid, 5007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4984 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:34:10,439 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42585 states.
[2022-02-15 11:34:10,815 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42585 to 23023.
[2022-02-15 11:34:10,842 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23023 states, 23022 states have (on average 2.7557553644340196) internal successors, (63443), 23022 states have internal predecessors, (63443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:10,884 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23023 states to 23023 states and 63443 transitions.
[2022-02-15 11:34:10,884 INFO  L78                 Accepts]: Start accepts. Automaton has 23023 states and 63443 transitions. Word has length 199
[2022-02-15 11:34:10,884 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:34:10,884 INFO  L470      AbstractCegarLoop]: Abstraction has 23023 states and 63443 transitions.
[2022-02-15 11:34:10,884 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:10,884 INFO  L276                IsEmpty]: Start isEmpty. Operand 23023 states and 63443 transitions.
[2022-02-15 11:34:10,912 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:34:10,912 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:34:10,912 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:34:10,912 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154
[2022-02-15 11:34:10,913 INFO  L402      AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:34:10,913 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:34:10,913 INFO  L85        PathProgramCache]: Analyzing trace with hash -1001799733, now seen corresponding path program 132 times
[2022-02-15 11:34:10,913 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:34:10,913 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439637974]
[2022-02-15 11:34:10,913 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:34:10,913 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:34:10,921 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:34:11,193 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:34:11,194 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:34:11,194 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439637974]
[2022-02-15 11:34:11,194 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439637974] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:34:11,194 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:34:11,194 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:34:11,194 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065553542]
[2022-02-15 11:34:11,194 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:34:11,194 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:34:11,194 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:34:11,194 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:34:11,194 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:34:11,195 INFO  L87              Difference]: Start difference. First operand 23023 states and 63443 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:13,941 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:34:13,941 INFO  L93              Difference]: Finished difference Result 40727 states and 111610 transitions.
[2022-02-15 11:34:13,941 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2022-02-15 11:34:13,941 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:34:13,941 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:34:14,010 INFO  L225             Difference]: With dead ends: 40727
[2022-02-15 11:34:14,011 INFO  L226             Difference]: Without dead ends: 40727
[2022-02-15 11:34:14,011 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1155 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=662, Invalid=5344, Unknown=0, NotChecked=0, Total=6006
[2022-02-15 11:34:14,011 INFO  L933         BasicCegarLoop]: 1041 mSDtfsCounter, 1837 mSDsluCounter, 22461 mSDsCounter, 0 mSdLazyCounter, 4940 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1837 SdHoareTripleChecker+Valid, 23261 SdHoareTripleChecker+Invalid, 4959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:34:14,011 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1837 Valid, 23261 Invalid, 4959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4940 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:34:14,068 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40727 states.
[2022-02-15 11:34:14,415 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40727 to 22975.
[2022-02-15 11:34:14,442 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22975 states, 22974 states have (on average 2.755245059632628) internal successors, (63299), 22974 states have internal predecessors, (63299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:14,484 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22975 states to 22975 states and 63299 transitions.
[2022-02-15 11:34:14,484 INFO  L78                 Accepts]: Start accepts. Automaton has 22975 states and 63299 transitions. Word has length 199
[2022-02-15 11:34:14,484 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:34:14,485 INFO  L470      AbstractCegarLoop]: Abstraction has 22975 states and 63299 transitions.
[2022-02-15 11:34:14,485 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:14,485 INFO  L276                IsEmpty]: Start isEmpty. Operand 22975 states and 63299 transitions.
[2022-02-15 11:34:14,513 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:34:14,513 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:34:14,513 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:34:14,513 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155
[2022-02-15 11:34:14,513 INFO  L402      AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:34:14,513 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:34:14,513 INFO  L85        PathProgramCache]: Analyzing trace with hash 599487167, now seen corresponding path program 133 times
[2022-02-15 11:34:14,513 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:34:14,513 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122548550]
[2022-02-15 11:34:14,514 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:34:14,514 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:34:14,521 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:34:14,791 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:34:14,791 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:34:14,791 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122548550]
[2022-02-15 11:34:14,791 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122548550] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:34:14,791 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:34:14,791 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:34:14,791 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155512665]
[2022-02-15 11:34:14,791 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:34:14,791 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:34:14,792 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:34:14,792 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:34:14,792 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:34:14,792 INFO  L87              Difference]: Start difference. First operand 22975 states and 63299 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:17,492 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:34:17,492 INFO  L93              Difference]: Finished difference Result 42085 states and 115002 transitions.
[2022-02-15 11:34:17,492 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2022-02-15 11:34:17,492 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:34:17,492 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:34:17,565 INFO  L225             Difference]: With dead ends: 42085
[2022-02-15 11:34:17,566 INFO  L226             Difference]: Without dead ends: 42085
[2022-02-15 11:34:17,567 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1157 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=657, Invalid=5349, Unknown=0, NotChecked=0, Total=6006
[2022-02-15 11:34:17,567 INFO  L933         BasicCegarLoop]: 1054 mSDtfsCounter, 1893 mSDsluCounter, 22763 mSDsCounter, 0 mSdLazyCounter, 4856 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1893 SdHoareTripleChecker+Valid, 23574 SdHoareTripleChecker+Invalid, 4875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:34:17,567 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1893 Valid, 23574 Invalid, 4875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4856 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:34:17,630 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42085 states.
[2022-02-15 11:34:18,007 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42085 to 22959.
[2022-02-15 11:34:18,034 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22959 states, 22958 states have (on average 2.7550744838400556) internal successors, (63251), 22958 states have internal predecessors, (63251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:18,079 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22959 states to 22959 states and 63251 transitions.
[2022-02-15 11:34:18,079 INFO  L78                 Accepts]: Start accepts. Automaton has 22959 states and 63251 transitions. Word has length 199
[2022-02-15 11:34:18,080 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:34:18,080 INFO  L470      AbstractCegarLoop]: Abstraction has 22959 states and 63251 transitions.
[2022-02-15 11:34:18,080 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:18,080 INFO  L276                IsEmpty]: Start isEmpty. Operand 22959 states and 63251 transitions.
[2022-02-15 11:34:18,108 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:34:18,108 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:34:18,109 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:34:18,109 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156
[2022-02-15 11:34:18,109 INFO  L402      AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:34:18,109 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:34:18,109 INFO  L85        PathProgramCache]: Analyzing trace with hash -1744151, now seen corresponding path program 134 times
[2022-02-15 11:34:18,109 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:34:18,109 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965369991]
[2022-02-15 11:34:18,109 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:34:18,109 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:34:18,117 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:34:18,389 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:34:18,389 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:34:18,389 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965369991]
[2022-02-15 11:34:18,389 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965369991] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:34:18,389 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:34:18,390 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:34:18,390 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114100634]
[2022-02-15 11:34:18,390 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:34:18,390 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:34:18,390 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:34:18,390 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:34:18,390 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:34:18,390 INFO  L87              Difference]: Start difference. First operand 22959 states and 63251 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:21,010 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:34:21,011 INFO  L93              Difference]: Finished difference Result 41078 states and 112144 transitions.
[2022-02-15 11:34:21,011 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2022-02-15 11:34:21,011 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:34:21,011 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:34:21,080 INFO  L225             Difference]: With dead ends: 41078
[2022-02-15 11:34:21,080 INFO  L226             Difference]: Without dead ends: 41078
[2022-02-15 11:34:21,081 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1071 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=617, Invalid=5083, Unknown=0, NotChecked=0, Total=5700
[2022-02-15 11:34:21,081 INFO  L933         BasicCegarLoop]: 1101 mSDtfsCounter, 1764 mSDsluCounter, 23740 mSDsCounter, 0 mSdLazyCounter, 4890 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 24578 SdHoareTripleChecker+Invalid, 4909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:34:21,081 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1764 Valid, 24578 Invalid, 4909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4890 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:34:21,138 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41078 states.
[2022-02-15 11:34:21,469 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41078 to 22751.
[2022-02-15 11:34:21,495 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22751 states, 22750 states have (on average 2.7528351648351648) internal successors, (62627), 22750 states have internal predecessors, (62627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:21,536 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22751 states to 22751 states and 62627 transitions.
[2022-02-15 11:34:21,537 INFO  L78                 Accepts]: Start accepts. Automaton has 22751 states and 62627 transitions. Word has length 199
[2022-02-15 11:34:21,537 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:34:21,537 INFO  L470      AbstractCegarLoop]: Abstraction has 22751 states and 62627 transitions.
[2022-02-15 11:34:21,537 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:21,537 INFO  L276                IsEmpty]: Start isEmpty. Operand 22751 states and 62627 transitions.
[2022-02-15 11:34:21,563 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:34:21,563 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:34:21,563 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:34:21,564 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157
[2022-02-15 11:34:21,564 INFO  L402      AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:34:21,564 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:34:21,564 INFO  L85        PathProgramCache]: Analyzing trace with hash 691855757, now seen corresponding path program 135 times
[2022-02-15 11:34:21,564 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:34:21,564 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468808344]
[2022-02-15 11:34:21,564 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:34:21,564 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:34:21,572 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:34:21,840 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:34:21,840 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:34:21,840 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468808344]
[2022-02-15 11:34:21,840 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468808344] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:34:21,840 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:34:21,840 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:34:21,840 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093484886]
[2022-02-15 11:34:21,840 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:34:21,840 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:34:21,841 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:34:21,841 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:34:21,841 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:34:21,841 INFO  L87              Difference]: Start difference. First operand 22751 states and 62627 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:24,330 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:34:24,330 INFO  L93              Difference]: Finished difference Result 38087 states and 103971 transitions.
[2022-02-15 11:34:24,331 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-15 11:34:24,331 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:34:24,331 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:34:24,400 INFO  L225             Difference]: With dead ends: 38087
[2022-02-15 11:34:24,400 INFO  L226             Difference]: Without dead ends: 38087
[2022-02-15 11:34:24,401 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 879 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=625, Invalid=4487, Unknown=0, NotChecked=0, Total=5112
[2022-02-15 11:34:24,401 INFO  L933         BasicCegarLoop]: 908 mSDtfsCounter, 1784 mSDsluCounter, 19639 mSDsCounter, 0 mSdLazyCounter, 4533 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1784 SdHoareTripleChecker+Valid, 20323 SdHoareTripleChecker+Invalid, 4556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2022-02-15 11:34:24,401 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1784 Valid, 20323 Invalid, 4556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4533 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2022-02-15 11:34:24,460 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38087 states.
[2022-02-15 11:34:24,800 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38087 to 22911.
[2022-02-15 11:34:24,827 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22911 states, 22910 states have (on average 2.754735923177652) internal successors, (63111), 22910 states have internal predecessors, (63111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:24,870 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22911 states to 22911 states and 63111 transitions.
[2022-02-15 11:34:24,870 INFO  L78                 Accepts]: Start accepts. Automaton has 22911 states and 63111 transitions. Word has length 199
[2022-02-15 11:34:24,871 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:34:24,871 INFO  L470      AbstractCegarLoop]: Abstraction has 22911 states and 63111 transitions.
[2022-02-15 11:34:24,871 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:24,871 INFO  L276                IsEmpty]: Start isEmpty. Operand 22911 states and 63111 transitions.
[2022-02-15 11:34:24,897 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:34:24,897 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:34:24,897 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:34:24,898 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158
[2022-02-15 11:34:24,898 INFO  L402      AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:34:24,898 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:34:24,898 INFO  L85        PathProgramCache]: Analyzing trace with hash -1329942285, now seen corresponding path program 136 times
[2022-02-15 11:34:24,898 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:34:24,898 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321374653]
[2022-02-15 11:34:24,898 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:34:24,898 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:34:24,906 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:34:25,180 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:34:25,180 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:34:25,180 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321374653]
[2022-02-15 11:34:25,180 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321374653] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:34:25,180 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:34:25,181 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:34:25,181 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86485919]
[2022-02-15 11:34:25,181 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:34:25,181 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:34:25,181 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:34:25,181 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:34:25,181 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:34:25,181 INFO  L87              Difference]: Start difference. First operand 22911 states and 63111 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:27,725 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:34:27,725 INFO  L93              Difference]: Finished difference Result 37183 states and 101771 transitions.
[2022-02-15 11:34:27,725 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2022-02-15 11:34:27,725 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:34:27,725 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:34:27,785 INFO  L225             Difference]: With dead ends: 37183
[2022-02-15 11:34:27,785 INFO  L226             Difference]: Without dead ends: 37183
[2022-02-15 11:34:27,786 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1057 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=650, Invalid=5050, Unknown=0, NotChecked=0, Total=5700
[2022-02-15 11:34:27,786 INFO  L933         BasicCegarLoop]: 944 mSDtfsCounter, 1777 mSDsluCounter, 20192 mSDsCounter, 0 mSdLazyCounter, 4583 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 21003 SdHoareTripleChecker+Invalid, 4606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2022-02-15 11:34:27,786 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1777 Valid, 21003 Invalid, 4606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4583 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2022-02-15 11:34:27,836 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37183 states.
[2022-02-15 11:34:28,162 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37183 to 22847.
[2022-02-15 11:34:28,188 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22847 states, 22846 states have (on average 2.753348507397356) internal successors, (62903), 22846 states have internal predecessors, (62903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:28,230 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22847 states to 22847 states and 62903 transitions.
[2022-02-15 11:34:28,230 INFO  L78                 Accepts]: Start accepts. Automaton has 22847 states and 62903 transitions. Word has length 199
[2022-02-15 11:34:28,230 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:34:28,230 INFO  L470      AbstractCegarLoop]: Abstraction has 22847 states and 62903 transitions.
[2022-02-15 11:34:28,230 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:28,230 INFO  L276                IsEmpty]: Start isEmpty. Operand 22847 states and 62903 transitions.
[2022-02-15 11:34:28,257 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:34:28,257 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:34:28,258 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:34:28,258 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159
[2022-02-15 11:34:28,258 INFO  L402      AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:34:28,258 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:34:28,258 INFO  L85        PathProgramCache]: Analyzing trace with hash -1707139509, now seen corresponding path program 137 times
[2022-02-15 11:34:28,258 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:34:28,258 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157319866]
[2022-02-15 11:34:28,258 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:34:28,258 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:34:28,266 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:34:28,544 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:34:28,544 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:34:28,545 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157319866]
[2022-02-15 11:34:28,545 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157319866] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:34:28,545 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:34:28,545 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:34:28,545 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695694482]
[2022-02-15 11:34:28,545 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:34:28,545 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:34:28,545 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:34:28,545 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:34:28,545 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:34:28,546 INFO  L87              Difference]: Start difference. First operand 22847 states and 62903 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:30,931 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:34:30,932 INFO  L93              Difference]: Finished difference Result 34988 states and 95598 transitions.
[2022-02-15 11:34:30,932 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-02-15 11:34:30,932 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:34:30,932 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:34:30,988 INFO  L225             Difference]: With dead ends: 34988
[2022-02-15 11:34:30,988 INFO  L226             Difference]: Without dead ends: 34988
[2022-02-15 11:34:30,989 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 718 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=584, Invalid=3972, Unknown=0, NotChecked=0, Total=4556
[2022-02-15 11:34:30,989 INFO  L933         BasicCegarLoop]: 887 mSDtfsCounter, 1599 mSDsluCounter, 19051 mSDsCounter, 0 mSdLazyCounter, 4250 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1599 SdHoareTripleChecker+Valid, 19734 SdHoareTripleChecker+Invalid, 4269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2022-02-15 11:34:30,989 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1599 Valid, 19734 Invalid, 4269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4250 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2022-02-15 11:34:31,037 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 34988 states.
[2022-02-15 11:34:31,332 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 34988 to 22799.
[2022-02-15 11:34:31,358 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22799 states, 22798 states have (on average 2.7528291955434687) internal successors, (62759), 22798 states have internal predecessors, (62759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:31,399 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22799 states to 22799 states and 62759 transitions.
[2022-02-15 11:34:31,399 INFO  L78                 Accepts]: Start accepts. Automaton has 22799 states and 62759 transitions. Word has length 199
[2022-02-15 11:34:31,399 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:34:31,399 INFO  L470      AbstractCegarLoop]: Abstraction has 22799 states and 62759 transitions.
[2022-02-15 11:34:31,400 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:31,400 INFO  L276                IsEmpty]: Start isEmpty. Operand 22799 states and 62759 transitions.
[2022-02-15 11:34:31,426 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:34:31,426 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:34:31,426 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:34:31,426 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160
[2022-02-15 11:34:31,427 INFO  L402      AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:34:31,427 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:34:31,427 INFO  L85        PathProgramCache]: Analyzing trace with hash -1344432821, now seen corresponding path program 138 times
[2022-02-15 11:34:31,427 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:34:31,427 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712780136]
[2022-02-15 11:34:31,427 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:34:31,427 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:34:31,435 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:34:31,711 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:34:31,711 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:34:31,711 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712780136]
[2022-02-15 11:34:31,711 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712780136] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:34:31,711 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:34:31,711 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:34:31,711 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299845823]
[2022-02-15 11:34:31,712 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:34:31,712 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:34:31,712 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:34:31,712 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:34:31,712 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:34:31,712 INFO  L87              Difference]: Start difference. First operand 22799 states and 62759 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:34,289 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:34:34,289 INFO  L93              Difference]: Finished difference Result 38679 states and 105561 transitions.
[2022-02-15 11:34:34,289 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-15 11:34:34,289 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:34:34,290 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:34:34,359 INFO  L225             Difference]: With dead ends: 38679
[2022-02-15 11:34:34,359 INFO  L226             Difference]: Without dead ends: 38679
[2022-02-15 11:34:34,360 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1017 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=639, Invalid=4911, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:34:34,360 INFO  L933         BasicCegarLoop]: 945 mSDtfsCounter, 1791 mSDsluCounter, 20560 mSDsCounter, 0 mSdLazyCounter, 4747 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1791 SdHoareTripleChecker+Valid, 21235 SdHoareTripleChecker+Invalid, 4770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:34:34,360 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1791 Valid, 21235 Invalid, 4770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4747 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:34:34,417 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38679 states.
[2022-02-15 11:34:34,755 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38679 to 22911.
[2022-02-15 11:34:34,781 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22911 states, 22910 states have (on average 2.754735923177652) internal successors, (63111), 22910 states have internal predecessors, (63111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:34,824 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22911 states to 22911 states and 63111 transitions.
[2022-02-15 11:34:34,824 INFO  L78                 Accepts]: Start accepts. Automaton has 22911 states and 63111 transitions. Word has length 199
[2022-02-15 11:34:34,824 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:34:34,824 INFO  L470      AbstractCegarLoop]: Abstraction has 22911 states and 63111 transitions.
[2022-02-15 11:34:34,824 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:34,824 INFO  L276                IsEmpty]: Start isEmpty. Operand 22911 states and 63111 transitions.
[2022-02-15 11:34:34,851 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:34:34,852 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:34:34,852 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:34:34,852 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161
[2022-02-15 11:34:34,852 INFO  L402      AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:34:34,852 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:34:34,852 INFO  L85        PathProgramCache]: Analyzing trace with hash 928736433, now seen corresponding path program 139 times
[2022-02-15 11:34:34,852 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:34:34,852 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826773760]
[2022-02-15 11:34:34,853 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:34:34,853 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:34:34,860 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:34:35,130 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:34:35,130 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:34:35,131 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826773760]
[2022-02-15 11:34:35,131 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826773760] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:34:35,131 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:34:35,131 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:34:35,131 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965253431]
[2022-02-15 11:34:35,131 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:34:35,131 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:34:35,131 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:34:35,131 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:34:35,131 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:34:35,132 INFO  L87              Difference]: Start difference. First operand 22911 states and 63111 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:37,765 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:34:37,765 INFO  L93              Difference]: Finished difference Result 37667 states and 103093 transitions.
[2022-02-15 11:34:37,765 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2022-02-15 11:34:37,765 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:34:37,765 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:34:37,833 INFO  L225             Difference]: With dead ends: 37667
[2022-02-15 11:34:37,834 INFO  L226             Difference]: Without dead ends: 37667
[2022-02-15 11:34:37,834 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1160 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=654, Invalid=5352, Unknown=0, NotChecked=0, Total=6006
[2022-02-15 11:34:37,835 INFO  L933         BasicCegarLoop]: 1001 mSDtfsCounter, 1786 mSDsluCounter, 21563 mSDsCounter, 0 mSdLazyCounter, 4768 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 22365 SdHoareTripleChecker+Invalid, 4791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:34:37,835 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1786 Valid, 22365 Invalid, 4791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4768 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:34:37,889 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37667 states.
[2022-02-15 11:34:38,227 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37667 to 22847.
[2022-02-15 11:34:38,253 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22847 states, 22846 states have (on average 2.753348507397356) internal successors, (62903), 22846 states have internal predecessors, (62903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:38,298 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22847 states to 22847 states and 62903 transitions.
[2022-02-15 11:34:38,298 INFO  L78                 Accepts]: Start accepts. Automaton has 22847 states and 62903 transitions. Word has length 199
[2022-02-15 11:34:38,298 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:34:38,298 INFO  L470      AbstractCegarLoop]: Abstraction has 22847 states and 62903 transitions.
[2022-02-15 11:34:38,298 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:38,298 INFO  L276                IsEmpty]: Start isEmpty. Operand 22847 states and 62903 transitions.
[2022-02-15 11:34:38,327 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:34:38,327 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:34:38,327 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:34:38,327 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162
[2022-02-15 11:34:38,327 INFO  L402      AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:34:38,327 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:34:38,327 INFO  L85        PathProgramCache]: Analyzing trace with hash 1278190317, now seen corresponding path program 140 times
[2022-02-15 11:34:38,327 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:34:38,328 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283558182]
[2022-02-15 11:34:38,328 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:34:38,328 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:34:38,337 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:34:38,610 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:34:38,610 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:34:38,610 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283558182]
[2022-02-15 11:34:38,610 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283558182] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:34:38,610 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:34:38,610 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:34:38,610 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500365054]
[2022-02-15 11:34:38,610 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:34:38,611 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:34:38,611 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:34:38,611 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:34:38,611 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:34:38,611 INFO  L87              Difference]: Start difference. First operand 22847 states and 62903 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:41,041 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:34:41,041 INFO  L93              Difference]: Finished difference Result 34408 states and 94290 transitions.
[2022-02-15 11:34:41,041 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-15 11:34:41,042 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:34:41,042 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:34:41,101 INFO  L225             Difference]: With dead ends: 34408
[2022-02-15 11:34:41,101 INFO  L226             Difference]: Without dead ends: 34408
[2022-02-15 11:34:41,102 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 898 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=575, Invalid=4537, Unknown=0, NotChecked=0, Total=5112
[2022-02-15 11:34:41,102 INFO  L933         BasicCegarLoop]: 945 mSDtfsCounter, 1545 mSDsluCounter, 20243 mSDsCounter, 0 mSdLazyCounter, 4551 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1545 SdHoareTripleChecker+Valid, 21013 SdHoareTripleChecker+Invalid, 4570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2022-02-15 11:34:41,102 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1545 Valid, 21013 Invalid, 4570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4551 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2022-02-15 11:34:41,153 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 34408 states.
[2022-02-15 11:34:41,461 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 34408 to 22763.
[2022-02-15 11:34:41,487 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22763 states, 22762 states have (on average 2.7528336701520075) internal successors, (62660), 22762 states have internal predecessors, (62660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:41,529 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22763 states to 22763 states and 62660 transitions.
[2022-02-15 11:34:41,530 INFO  L78                 Accepts]: Start accepts. Automaton has 22763 states and 62660 transitions. Word has length 199
[2022-02-15 11:34:41,530 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:34:41,530 INFO  L470      AbstractCegarLoop]: Abstraction has 22763 states and 62660 transitions.
[2022-02-15 11:34:41,530 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:41,530 INFO  L276                IsEmpty]: Start isEmpty. Operand 22763 states and 62660 transitions.
[2022-02-15 11:34:41,557 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:34:41,557 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:34:41,557 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:34:41,557 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163
[2022-02-15 11:34:41,557 INFO  L402      AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:34:41,558 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:34:41,558 INFO  L85        PathProgramCache]: Analyzing trace with hash 1371592017, now seen corresponding path program 141 times
[2022-02-15 11:34:41,558 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:34:41,558 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98860321]
[2022-02-15 11:34:41,558 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:34:41,558 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:34:41,566 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:34:41,839 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:34:41,839 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:34:41,839 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98860321]
[2022-02-15 11:34:41,839 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98860321] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:34:41,839 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:34:41,839 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:34:41,839 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665446841]
[2022-02-15 11:34:41,839 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:34:41,840 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:34:41,840 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:34:41,840 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:34:41,840 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:34:41,840 INFO  L87              Difference]: Start difference. First operand 22763 states and 62660 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:44,643 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:34:44,643 INFO  L93              Difference]: Finished difference Result 42725 states and 116437 transitions.
[2022-02-15 11:34:44,643 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2022-02-15 11:34:44,643 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:34:44,644 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:34:44,721 INFO  L225             Difference]: With dead ends: 42725
[2022-02-15 11:34:44,721 INFO  L226             Difference]: Without dead ends: 42725
[2022-02-15 11:34:44,722 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1151 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=685, Invalid=5321, Unknown=0, NotChecked=0, Total=6006
[2022-02-15 11:34:44,722 INFO  L933         BasicCegarLoop]: 1006 mSDtfsCounter, 1972 mSDsluCounter, 22018 mSDsCounter, 0 mSdLazyCounter, 5065 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1972 SdHoareTripleChecker+Valid, 22708 SdHoareTripleChecker+Invalid, 5088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:34:44,722 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1972 Valid, 22708 Invalid, 5088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5065 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:34:44,786 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42725 states.
[2022-02-15 11:34:45,158 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42725 to 22891.
[2022-02-15 11:34:45,186 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22891 states, 22890 states have (on average 2.7549148099606815) internal successors, (63060), 22890 states have internal predecessors, (63060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:45,230 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22891 states to 22891 states and 63060 transitions.
[2022-02-15 11:34:45,230 INFO  L78                 Accepts]: Start accepts. Automaton has 22891 states and 63060 transitions. Word has length 199
[2022-02-15 11:34:45,230 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:34:45,230 INFO  L470      AbstractCegarLoop]: Abstraction has 22891 states and 63060 transitions.
[2022-02-15 11:34:45,231 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:45,231 INFO  L276                IsEmpty]: Start isEmpty. Operand 22891 states and 63060 transitions.
[2022-02-15 11:34:45,259 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:34:45,259 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:34:45,259 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:34:45,259 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164
[2022-02-15 11:34:45,259 INFO  L402      AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:34:45,260 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:34:45,260 INFO  L85        PathProgramCache]: Analyzing trace with hash -650206025, now seen corresponding path program 142 times
[2022-02-15 11:34:45,260 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:34:45,260 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726568679]
[2022-02-15 11:34:45,260 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:34:45,260 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:34:45,268 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:34:45,539 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:34:45,540 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:34:45,540 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726568679]
[2022-02-15 11:34:45,540 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726568679] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:34:45,540 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:34:45,540 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:34:45,540 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785926164]
[2022-02-15 11:34:45,540 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:34:45,540 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:34:45,540 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:34:45,540 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:34:45,540 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:34:45,541 INFO  L87              Difference]: Start difference. First operand 22891 states and 63060 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:48,416 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:34:48,416 INFO  L93              Difference]: Finished difference Result 41542 states and 113531 transitions.
[2022-02-15 11:34:48,416 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-15 11:34:48,416 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:34:48,417 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:34:48,491 INFO  L225             Difference]: With dead ends: 41542
[2022-02-15 11:34:48,492 INFO  L226             Difference]: Without dead ends: 41542
[2022-02-15 11:34:48,492 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1353 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=719, Invalid=5923, Unknown=0, NotChecked=0, Total=6642
[2022-02-15 11:34:48,492 INFO  L933         BasicCegarLoop]: 1075 mSDtfsCounter, 1948 mSDsluCounter, 23260 mSDsCounter, 0 mSdLazyCounter, 5021 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1948 SdHoareTripleChecker+Valid, 24089 SdHoareTripleChecker+Invalid, 5044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:34:48,492 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1948 Valid, 24089 Invalid, 5044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5021 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:34:48,551 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41542 states.
[2022-02-15 11:34:48,921 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41542 to 22827.
[2022-02-15 11:34:48,948 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22827 states, 22826 states have (on average 2.7535266801016385) internal successors, (62852), 22826 states have internal predecessors, (62852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:48,991 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22827 states to 22827 states and 62852 transitions.
[2022-02-15 11:34:48,991 INFO  L78                 Accepts]: Start accepts. Automaton has 22827 states and 62852 transitions. Word has length 199
[2022-02-15 11:34:48,992 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:34:48,992 INFO  L470      AbstractCegarLoop]: Abstraction has 22827 states and 62852 transitions.
[2022-02-15 11:34:48,992 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:48,992 INFO  L276                IsEmpty]: Start isEmpty. Operand 22827 states and 62852 transitions.
[2022-02-15 11:34:49,019 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:34:49,019 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:34:49,019 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:34:49,019 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165
[2022-02-15 11:34:49,019 INFO  L402      AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:34:49,019 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:34:49,020 INFO  L85        PathProgramCache]: Analyzing trace with hash -300752141, now seen corresponding path program 143 times
[2022-02-15 11:34:49,020 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:34:49,020 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785561865]
[2022-02-15 11:34:49,020 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:34:49,020 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:34:49,028 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:34:49,295 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:34:49,295 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:34:49,295 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785561865]
[2022-02-15 11:34:49,295 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785561865] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:34:49,295 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:34:49,295 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:34:49,295 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295303330]
[2022-02-15 11:34:49,295 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:34:49,295 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:34:49,295 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:34:49,296 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:34:49,296 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:34:49,296 INFO  L87              Difference]: Start difference. First operand 22827 states and 62852 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:51,860 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:34:51,860 INFO  L93              Difference]: Finished difference Result 37712 states and 103284 transitions.
[2022-02-15 11:34:51,860 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-15 11:34:51,860 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:34:51,860 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:34:51,923 INFO  L225             Difference]: With dead ends: 37712
[2022-02-15 11:34:51,923 INFO  L226             Difference]: Without dead ends: 37712
[2022-02-15 11:34:51,924 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1023 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=616, Invalid=4934, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:34:51,924 INFO  L933         BasicCegarLoop]: 1020 mSDtfsCounter, 1658 mSDsluCounter, 21937 mSDsCounter, 0 mSdLazyCounter, 4817 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1658 SdHoareTripleChecker+Valid, 22738 SdHoareTripleChecker+Invalid, 4836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:34:51,924 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1658 Valid, 22738 Invalid, 4836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4817 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:34:51,977 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37712 states.
[2022-02-15 11:34:52,310 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37712 to 22779.
[2022-02-15 11:34:52,336 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22779 states, 22778 states have (on average 2.7530072877337783) internal successors, (62708), 22778 states have internal predecessors, (62708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:52,377 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22779 states to 22779 states and 62708 transitions.
[2022-02-15 11:34:52,377 INFO  L78                 Accepts]: Start accepts. Automaton has 22779 states and 62708 transitions. Word has length 199
[2022-02-15 11:34:52,377 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:34:52,377 INFO  L470      AbstractCegarLoop]: Abstraction has 22779 states and 62708 transitions.
[2022-02-15 11:34:52,377 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:52,377 INFO  L276                IsEmpty]: Start isEmpty. Operand 22779 states and 62708 transitions.
[2022-02-15 11:34:52,403 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:34:52,403 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:34:52,403 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:34:52,403 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166
[2022-02-15 11:34:52,403 INFO  L402      AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:34:52,404 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:34:52,404 INFO  L85        PathProgramCache]: Analyzing trace with hash 701619839, now seen corresponding path program 144 times
[2022-02-15 11:34:52,404 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:34:52,404 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883166410]
[2022-02-15 11:34:52,404 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:34:52,404 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:34:52,413 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:34:52,681 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:34:52,681 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:34:52,681 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883166410]
[2022-02-15 11:34:52,681 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883166410] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:34:52,681 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:34:52,681 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:34:52,681 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904764438]
[2022-02-15 11:34:52,681 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:34:52,682 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:34:52,682 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:34:52,682 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:34:52,682 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:34:52,682 INFO  L87              Difference]: Start difference. First operand 22779 states and 62708 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:55,228 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:34:55,228 INFO  L93              Difference]: Finished difference Result 38446 states and 104978 transitions.
[2022-02-15 11:34:55,228 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-15 11:34:55,228 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:34:55,229 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:34:55,296 INFO  L225             Difference]: With dead ends: 38446
[2022-02-15 11:34:55,296 INFO  L226             Difference]: Without dead ends: 38446
[2022-02-15 11:34:55,297 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1025 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=609, Invalid=4941, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:34:55,297 INFO  L933         BasicCegarLoop]: 1049 mSDtfsCounter, 1692 mSDsluCounter, 22656 mSDsCounter, 0 mSdLazyCounter, 4748 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1692 SdHoareTripleChecker+Valid, 23461 SdHoareTripleChecker+Invalid, 4767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:34:55,297 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1692 Valid, 23461 Invalid, 4767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4748 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:34:55,359 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38446 states.
[2022-02-15 11:34:55,693 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38446 to 22595.
[2022-02-15 11:34:55,719 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22595 states, 22594 states have (on average 2.752854740196512) internal successors, (62198), 22594 states have internal predecessors, (62198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:55,762 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62198 transitions.
[2022-02-15 11:34:55,762 INFO  L78                 Accepts]: Start accepts. Automaton has 22595 states and 62198 transitions. Word has length 199
[2022-02-15 11:34:55,762 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:34:55,762 INFO  L470      AbstractCegarLoop]: Abstraction has 22595 states and 62198 transitions.
[2022-02-15 11:34:55,762 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:55,762 INFO  L276                IsEmpty]: Start isEmpty. Operand 22595 states and 62198 transitions.
[2022-02-15 11:34:55,790 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:34:55,790 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:34:55,790 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:34:55,790 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167
[2022-02-15 11:34:55,791 INFO  L402      AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:34:55,791 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:34:55,791 INFO  L85        PathProgramCache]: Analyzing trace with hash -386814799, now seen corresponding path program 145 times
[2022-02-15 11:34:55,791 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:34:55,791 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346791060]
[2022-02-15 11:34:55,791 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:34:55,791 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:34:55,799 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:34:56,073 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:34:56,073 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:34:56,073 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346791060]
[2022-02-15 11:34:56,073 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346791060] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:34:56,073 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:34:56,073 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:34:56,073 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063347979]
[2022-02-15 11:34:56,073 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:34:56,073 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:34:56,073 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:34:56,074 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:34:56,074 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:34:56,074 INFO  L87              Difference]: Start difference. First operand 22595 states and 62198 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:59,164 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:34:59,164 INFO  L93              Difference]: Finished difference Result 47458 states and 129111 transitions.
[2022-02-15 11:34:59,164 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. 
[2022-02-15 11:34:59,164 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:34:59,164 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:34:59,254 INFO  L225             Difference]: With dead ends: 47458
[2022-02-15 11:34:59,254 INFO  L226             Difference]: Without dead ends: 47458
[2022-02-15 11:34:59,255 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1381 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=781, Invalid=6025, Unknown=0, NotChecked=0, Total=6806
[2022-02-15 11:34:59,255 INFO  L933         BasicCegarLoop]: 1111 mSDtfsCounter, 2218 mSDsluCounter, 24494 mSDsCounter, 0 mSdLazyCounter, 5574 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2218 SdHoareTripleChecker+Valid, 25201 SdHoareTripleChecker+Invalid, 5597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:34:59,255 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2218 Valid, 25201 Invalid, 5597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5574 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:34:59,320 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 47458 states.
[2022-02-15 11:34:59,715 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 47458 to 22947.
[2022-02-15 11:34:59,742 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22947 states, 22946 states have (on average 2.7573433278131265) internal successors, (63270), 22946 states have internal predecessors, (63270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:59,785 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22947 states to 22947 states and 63270 transitions.
[2022-02-15 11:34:59,785 INFO  L78                 Accepts]: Start accepts. Automaton has 22947 states and 63270 transitions. Word has length 199
[2022-02-15 11:34:59,785 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:34:59,785 INFO  L470      AbstractCegarLoop]: Abstraction has 22947 states and 63270 transitions.
[2022-02-15 11:34:59,785 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:34:59,785 INFO  L276                IsEmpty]: Start isEmpty. Operand 22947 states and 63270 transitions.
[2022-02-15 11:34:59,812 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:34:59,812 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:34:59,812 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:34:59,813 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168
[2022-02-15 11:34:59,813 INFO  L402      AbstractCegarLoop]: === Iteration 170 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:34:59,813 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:34:59,813 INFO  L85        PathProgramCache]: Analyzing trace with hash 1886354455, now seen corresponding path program 146 times
[2022-02-15 11:34:59,813 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:34:59,813 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952267274]
[2022-02-15 11:34:59,813 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:34:59,813 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:34:59,821 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:35:00,091 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:35:00,092 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:35:00,092 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952267274]
[2022-02-15 11:35:00,092 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952267274] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:35:00,092 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:35:00,092 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:35:00,092 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493054905]
[2022-02-15 11:35:00,092 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:35:00,092 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:35:00,092 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:35:00,092 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:35:00,093 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:35:00,093 INFO  L87              Difference]: Start difference. First operand 22947 states and 63270 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:03,120 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:35:03,120 INFO  L93              Difference]: Finished difference Result 44953 states and 122746 transitions.
[2022-02-15 11:35:03,121 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-15 11:35:03,121 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:35:03,121 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:35:03,201 INFO  L225             Difference]: With dead ends: 44953
[2022-02-15 11:35:03,201 INFO  L226             Difference]: Without dead ends: 44953
[2022-02-15 11:35:03,202 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1510 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=772, Invalid=6368, Unknown=0, NotChecked=0, Total=7140
[2022-02-15 11:35:03,203 INFO  L933         BasicCegarLoop]: 1130 mSDtfsCounter, 2116 mSDsluCounter, 24678 mSDsCounter, 0 mSdLazyCounter, 5324 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2116 SdHoareTripleChecker+Valid, 25511 SdHoareTripleChecker+Invalid, 5347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:35:03,203 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2116 Valid, 25511 Invalid, 5347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5324 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:35:03,264 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44953 states.
[2022-02-15 11:35:03,646 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44953 to 22883.
[2022-02-15 11:35:03,672 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22883 states, 22882 states have (on average 2.7559653876409405) internal successors, (63062), 22882 states have internal predecessors, (63062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:03,896 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22883 states to 22883 states and 63062 transitions.
[2022-02-15 11:35:03,896 INFO  L78                 Accepts]: Start accepts. Automaton has 22883 states and 63062 transitions. Word has length 199
[2022-02-15 11:35:03,896 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:35:03,896 INFO  L470      AbstractCegarLoop]: Abstraction has 22883 states and 63062 transitions.
[2022-02-15 11:35:03,896 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:03,896 INFO  L276                IsEmpty]: Start isEmpty. Operand 22883 states and 63062 transitions.
[2022-02-15 11:35:03,920 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:35:03,920 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:35:03,920 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:35:03,921 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169
[2022-02-15 11:35:03,921 INFO  L402      AbstractCegarLoop]: === Iteration 171 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:35:03,921 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:35:03,921 INFO  L85        PathProgramCache]: Analyzing trace with hash -485475471, now seen corresponding path program 147 times
[2022-02-15 11:35:03,921 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:35:03,921 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130839536]
[2022-02-15 11:35:03,922 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:35:03,922 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:35:03,929 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:35:04,197 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:35:04,198 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:35:04,198 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130839536]
[2022-02-15 11:35:04,198 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130839536] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:35:04,198 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:35:04,198 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:35:04,198 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399412990]
[2022-02-15 11:35:04,198 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:35:04,198 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:35:04,198 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:35:04,199 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:35:04,199 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:35:04,199 INFO  L87              Difference]: Start difference. First operand 22883 states and 63062 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:07,025 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:35:07,026 INFO  L93              Difference]: Finished difference Result 43095 states and 117961 transitions.
[2022-02-15 11:35:07,026 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. 
[2022-02-15 11:35:07,026 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:35:07,026 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:35:07,107 INFO  L225             Difference]: With dead ends: 43095
[2022-02-15 11:35:07,107 INFO  L226             Difference]: Without dead ends: 43095
[2022-02-15 11:35:07,108 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1202 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=679, Invalid=5483, Unknown=0, NotChecked=0, Total=6162
[2022-02-15 11:35:07,108 INFO  L933         BasicCegarLoop]: 1125 mSDtfsCounter, 1846 mSDsluCounter, 24298 mSDsCounter, 0 mSdLazyCounter, 5291 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 25139 SdHoareTripleChecker+Invalid, 5310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:35:07,108 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1846 Valid, 25139 Invalid, 5310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5291 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:35:07,174 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 43095 states.
[2022-02-15 11:35:07,570 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 43095 to 22835.
[2022-02-15 11:35:07,596 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22835 states, 22834 states have (on average 2.755452395550495) internal successors, (62918), 22834 states have internal predecessors, (62918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:07,638 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22835 states to 22835 states and 62918 transitions.
[2022-02-15 11:35:07,638 INFO  L78                 Accepts]: Start accepts. Automaton has 22835 states and 62918 transitions. Word has length 199
[2022-02-15 11:35:07,639 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:35:07,639 INFO  L470      AbstractCegarLoop]: Abstraction has 22835 states and 62918 transitions.
[2022-02-15 11:35:07,639 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:07,639 INFO  L276                IsEmpty]: Start isEmpty. Operand 22835 states and 62918 transitions.
[2022-02-15 11:35:07,665 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:35:07,665 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:35:07,665 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:35:07,666 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170
[2022-02-15 11:35:07,666 INFO  L402      AbstractCegarLoop]: === Iteration 172 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:35:07,666 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:35:07,666 INFO  L85        PathProgramCache]: Analyzing trace with hash 1115811429, now seen corresponding path program 148 times
[2022-02-15 11:35:07,666 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:35:07,666 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246908757]
[2022-02-15 11:35:07,666 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:35:07,666 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:35:07,674 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:35:07,941 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:35:07,941 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:35:07,942 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246908757]
[2022-02-15 11:35:07,942 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246908757] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:35:07,942 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:35:07,942 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:35:07,942 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771890416]
[2022-02-15 11:35:07,942 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:35:07,942 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:35:07,942 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:35:07,942 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:35:07,943 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:35:07,943 INFO  L87              Difference]: Start difference. First operand 22835 states and 62918 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:10,749 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:35:10,749 INFO  L93              Difference]: Finished difference Result 44453 states and 121353 transitions.
[2022-02-15 11:35:10,750 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. 
[2022-02-15 11:35:10,750 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:35:10,750 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:35:10,824 INFO  L225             Difference]: With dead ends: 44453
[2022-02-15 11:35:10,824 INFO  L226             Difference]: Without dead ends: 44453
[2022-02-15 11:35:10,825 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1203 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=675, Invalid=5487, Unknown=0, NotChecked=0, Total=6162
[2022-02-15 11:35:10,826 INFO  L933         BasicCegarLoop]: 1138 mSDtfsCounter, 1902 mSDsluCounter, 24603 mSDsCounter, 0 mSdLazyCounter, 5211 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1902 SdHoareTripleChecker+Valid, 25454 SdHoareTripleChecker+Invalid, 5230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:35:10,826 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1902 Valid, 25454 Invalid, 5230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5211 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:35:10,883 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44453 states.
[2022-02-15 11:35:11,228 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44453 to 22819.
[2022-02-15 11:35:11,254 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22819 states, 22818 states have (on average 2.7552809185730562) internal successors, (62870), 22818 states have internal predecessors, (62870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:11,298 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22819 states to 22819 states and 62870 transitions.
[2022-02-15 11:35:11,298 INFO  L78                 Accepts]: Start accepts. Automaton has 22819 states and 62870 transitions. Word has length 199
[2022-02-15 11:35:11,298 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:35:11,298 INFO  L470      AbstractCegarLoop]: Abstraction has 22819 states and 62870 transitions.
[2022-02-15 11:35:11,298 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:11,299 INFO  L276                IsEmpty]: Start isEmpty. Operand 22819 states and 62870 transitions.
[2022-02-15 11:35:11,326 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:35:11,327 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:35:11,327 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:35:11,327 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171
[2022-02-15 11:35:11,327 INFO  L402      AbstractCegarLoop]: === Iteration 173 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:35:11,327 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:35:11,327 INFO  L85        PathProgramCache]: Analyzing trace with hash 514580111, now seen corresponding path program 149 times
[2022-02-15 11:35:11,327 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:35:11,327 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760988767]
[2022-02-15 11:35:11,327 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:35:11,327 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:35:11,335 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:35:11,606 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:35:11,606 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:35:11,606 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760988767]
[2022-02-15 11:35:11,606 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760988767] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:35:11,606 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:35:11,607 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:35:11,607 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234111166]
[2022-02-15 11:35:11,607 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:35:11,607 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:35:11,607 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:35:11,607 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:35:11,607 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:35:11,607 INFO  L87              Difference]: Start difference. First operand 22819 states and 62870 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:14,461 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:35:14,462 INFO  L93              Difference]: Finished difference Result 45696 states and 124525 transitions.
[2022-02-15 11:35:14,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. 
[2022-02-15 11:35:14,462 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:35:14,462 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:35:14,552 INFO  L225             Difference]: With dead ends: 45696
[2022-02-15 11:35:14,552 INFO  L226             Difference]: Without dead ends: 45696
[2022-02-15 11:35:14,553 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1204 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=668, Invalid=5494, Unknown=0, NotChecked=0, Total=6162
[2022-02-15 11:35:14,553 INFO  L933         BasicCegarLoop]: 1175 mSDtfsCounter, 1872 mSDsluCounter, 25383 mSDsCounter, 0 mSdLazyCounter, 5211 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1872 SdHoareTripleChecker+Valid, 26251 SdHoareTripleChecker+Invalid, 5230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:35:14,553 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1872 Valid, 26251 Invalid, 5230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5211 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:35:14,624 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 45696 states.
[2022-02-15 11:35:15,052 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 45696 to 22611.
[2022-02-15 11:35:15,079 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22611 states, 22610 states have (on average 2.7530296329057937) internal successors, (62246), 22610 states have internal predecessors, (62246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:15,121 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22611 states to 22611 states and 62246 transitions.
[2022-02-15 11:35:15,122 INFO  L78                 Accepts]: Start accepts. Automaton has 22611 states and 62246 transitions. Word has length 199
[2022-02-15 11:35:15,122 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:35:15,122 INFO  L470      AbstractCegarLoop]: Abstraction has 22611 states and 62246 transitions.
[2022-02-15 11:35:15,122 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:15,122 INFO  L276                IsEmpty]: Start isEmpty. Operand 22611 states and 62246 transitions.
[2022-02-15 11:35:15,149 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:35:15,149 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:35:15,149 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:35:15,149 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172
[2022-02-15 11:35:15,149 INFO  L402      AbstractCegarLoop]: === Iteration 174 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:35:15,149 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:35:15,150 INFO  L85        PathProgramCache]: Analyzing trace with hash -1850373683, now seen corresponding path program 150 times
[2022-02-15 11:35:15,150 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:35:15,150 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084035451]
[2022-02-15 11:35:15,150 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:35:15,150 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:35:15,161 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:35:15,429 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:35:15,430 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:35:15,430 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084035451]
[2022-02-15 11:35:15,430 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084035451] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:35:15,430 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:35:15,430 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:35:15,430 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8298537]
[2022-02-15 11:35:15,430 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:35:15,430 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:35:15,430 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:35:15,430 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:35:15,430 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:35:15,431 INFO  L87              Difference]: Start difference. First operand 22611 states and 62246 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:18,073 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:35:18,074 INFO  L93              Difference]: Finished difference Result 41265 states and 112417 transitions.
[2022-02-15 11:35:18,074 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2022-02-15 11:35:18,074 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:35:18,074 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:35:18,145 INFO  L225             Difference]: With dead ends: 41265
[2022-02-15 11:35:18,145 INFO  L226             Difference]: Without dead ends: 41265
[2022-02-15 11:35:18,146 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1071 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=617, Invalid=5083, Unknown=0, NotChecked=0, Total=5700
[2022-02-15 11:35:18,146 INFO  L933         BasicCegarLoop]: 1131 mSDtfsCounter, 1819 mSDsluCounter, 24468 mSDsCounter, 0 mSdLazyCounter, 4941 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1819 SdHoareTripleChecker+Valid, 25293 SdHoareTripleChecker+Invalid, 4960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:35:18,147 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1819 Valid, 25293 Invalid, 4960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4941 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:35:18,206 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41265 states.
[2022-02-15 11:35:18,540 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41265 to 22583.
[2022-02-15 11:35:18,566 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22583 states, 22582 states have (on average 2.752856257195997) internal successors, (62165), 22582 states have internal predecessors, (62165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:18,606 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22583 states to 22583 states and 62165 transitions.
[2022-02-15 11:35:18,607 INFO  L78                 Accepts]: Start accepts. Automaton has 22583 states and 62165 transitions. Word has length 199
[2022-02-15 11:35:18,607 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:35:18,607 INFO  L470      AbstractCegarLoop]: Abstraction has 22583 states and 62165 transitions.
[2022-02-15 11:35:18,607 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:18,607 INFO  L276                IsEmpty]: Start isEmpty. Operand 22583 states and 62165 transitions.
[2022-02-15 11:35:18,632 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:35:18,633 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:35:18,633 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:35:18,633 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173
[2022-02-15 11:35:18,633 INFO  L402      AbstractCegarLoop]: === Iteration 175 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:35:18,633 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:35:18,633 INFO  L85        PathProgramCache]: Analyzing trace with hash -1359362075, now seen corresponding path program 151 times
[2022-02-15 11:35:18,633 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:35:18,633 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678142488]
[2022-02-15 11:35:18,633 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:35:18,634 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:35:18,641 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:35:18,910 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:35:18,911 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:35:18,911 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678142488]
[2022-02-15 11:35:18,911 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678142488] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:35:18,911 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:35:18,911 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:35:18,911 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710422936]
[2022-02-15 11:35:18,911 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:35:18,911 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:35:18,911 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:35:18,911 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:35:18,911 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:35:18,912 INFO  L87              Difference]: Start difference. First operand 22583 states and 62165 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:22,107 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:35:22,107 INFO  L93              Difference]: Finished difference Result 48005 states and 130591 transitions.
[2022-02-15 11:35:22,107 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. 
[2022-02-15 11:35:22,107 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:35:22,108 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:35:22,193 INFO  L225             Difference]: With dead ends: 48005
[2022-02-15 11:35:22,193 INFO  L226             Difference]: Without dead ends: 48005
[2022-02-15 11:35:22,193 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1473 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=831, Invalid=6309, Unknown=0, NotChecked=0, Total=7140
[2022-02-15 11:35:22,194 INFO  L933         BasicCegarLoop]: 1154 mSDtfsCounter, 2346 mSDsluCounter, 25468 mSDsCounter, 0 mSdLazyCounter, 5508 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2346 SdHoareTripleChecker+Valid, 26177 SdHoareTripleChecker+Invalid, 5531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:35:22,194 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2346 Valid, 26177 Invalid, 5531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5508 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:35:22,262 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 48005 states.
[2022-02-15 11:35:22,656 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 48005 to 22983.
[2022-02-15 11:35:22,684 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22983 states, 22982 states have (on average 2.757853972674267) internal successors, (63381), 22982 states have internal predecessors, (63381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:22,729 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22983 states to 22983 states and 63381 transitions.
[2022-02-15 11:35:22,730 INFO  L78                 Accepts]: Start accepts. Automaton has 22983 states and 63381 transitions. Word has length 199
[2022-02-15 11:35:22,730 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:35:22,730 INFO  L470      AbstractCegarLoop]: Abstraction has 22983 states and 63381 transitions.
[2022-02-15 11:35:22,730 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:22,730 INFO  L276                IsEmpty]: Start isEmpty. Operand 22983 states and 63381 transitions.
[2022-02-15 11:35:22,758 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:35:22,758 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:35:22,758 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:35:22,759 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174
[2022-02-15 11:35:22,759 INFO  L402      AbstractCegarLoop]: === Iteration 176 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:35:22,759 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:35:22,759 INFO  L85        PathProgramCache]: Analyzing trace with hash 913807179, now seen corresponding path program 152 times
[2022-02-15 11:35:22,759 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:35:22,759 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506962181]
[2022-02-15 11:35:22,759 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:35:22,759 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:35:22,767 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:35:23,043 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:35:23,044 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:35:23,044 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506962181]
[2022-02-15 11:35:23,044 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506962181] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:35:23,044 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:35:23,044 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:35:23,044 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594567674]
[2022-02-15 11:35:23,044 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:35:23,044 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:35:23,044 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:35:23,045 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:35:23,045 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:35:23,045 INFO  L87              Difference]: Start difference. First operand 22983 states and 63381 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:26,031 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:35:26,031 INFO  L93              Difference]: Finished difference Result 45312 states and 123734 transitions.
[2022-02-15 11:35:26,032 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. 
[2022-02-15 11:35:26,032 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:35:26,032 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:35:26,116 INFO  L225             Difference]: With dead ends: 45312
[2022-02-15 11:35:26,116 INFO  L226             Difference]: Without dead ends: 45312
[2022-02-15 11:35:26,117 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1562 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=796, Invalid=6514, Unknown=0, NotChecked=0, Total=7310
[2022-02-15 11:35:26,117 INFO  L933         BasicCegarLoop]: 1154 mSDtfsCounter, 2205 mSDsluCounter, 25287 mSDsCounter, 0 mSdLazyCounter, 5258 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2205 SdHoareTripleChecker+Valid, 26120 SdHoareTripleChecker+Invalid, 5281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:35:26,117 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2205 Valid, 26120 Invalid, 5281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5258 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:35:26,183 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 45312 states.
[2022-02-15 11:35:26,565 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 45312 to 22919.
[2022-02-15 11:35:26,591 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22919 states, 22918 states have (on average 2.7564796230037527) internal successors, (63173), 22918 states have internal predecessors, (63173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:26,634 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22919 states to 22919 states and 63173 transitions.
[2022-02-15 11:35:26,634 INFO  L78                 Accepts]: Start accepts. Automaton has 22919 states and 63173 transitions. Word has length 199
[2022-02-15 11:35:26,635 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:35:26,635 INFO  L470      AbstractCegarLoop]: Abstraction has 22919 states and 63173 transitions.
[2022-02-15 11:35:26,635 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:26,635 INFO  L276                IsEmpty]: Start isEmpty. Operand 22919 states and 63173 transitions.
[2022-02-15 11:35:26,663 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:35:26,663 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:35:26,663 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:35:26,663 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175
[2022-02-15 11:35:26,664 INFO  L402      AbstractCegarLoop]: === Iteration 177 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:35:26,664 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:35:26,664 INFO  L85        PathProgramCache]: Analyzing trace with hash -1458022747, now seen corresponding path program 153 times
[2022-02-15 11:35:26,664 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:35:26,664 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255148257]
[2022-02-15 11:35:26,664 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:35:26,664 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:35:26,672 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:35:26,945 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:35:26,946 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:35:26,946 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255148257]
[2022-02-15 11:35:26,946 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255148257] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:35:26,946 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:35:26,946 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:35:26,946 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570119100]
[2022-02-15 11:35:26,946 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:35:26,946 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:35:26,946 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:35:26,946 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:35:26,947 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:35:26,947 INFO  L87              Difference]: Start difference. First operand 22919 states and 63173 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:29,832 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:35:29,832 INFO  L93              Difference]: Finished difference Result 43454 states and 118949 transitions.
[2022-02-15 11:35:29,833 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-15 11:35:29,833 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:35:29,833 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:35:29,916 INFO  L225             Difference]: With dead ends: 43454
[2022-02-15 11:35:29,916 INFO  L226             Difference]: Without dead ends: 43454
[2022-02-15 11:35:29,917 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=699, Invalid=5621, Unknown=0, NotChecked=0, Total=6320
[2022-02-15 11:35:29,917 INFO  L933         BasicCegarLoop]: 1149 mSDtfsCounter, 1935 mSDsluCounter, 24817 mSDsCounter, 0 mSdLazyCounter, 5224 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1935 SdHoareTripleChecker+Valid, 25662 SdHoareTripleChecker+Invalid, 5243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:35:29,917 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1935 Valid, 25662 Invalid, 5243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5224 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:35:29,984 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 43454 states.
[2022-02-15 11:35:30,376 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 43454 to 22871.
[2022-02-15 11:35:30,403 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22871 states, 22870 states have (on average 2.755968517708789) internal successors, (63029), 22870 states have internal predecessors, (63029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:30,447 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22871 states to 22871 states and 63029 transitions.
[2022-02-15 11:35:30,448 INFO  L78                 Accepts]: Start accepts. Automaton has 22871 states and 63029 transitions. Word has length 199
[2022-02-15 11:35:30,448 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:35:30,448 INFO  L470      AbstractCegarLoop]: Abstraction has 22871 states and 63029 transitions.
[2022-02-15 11:35:30,448 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:30,448 INFO  L276                IsEmpty]: Start isEmpty. Operand 22871 states and 63029 transitions.
[2022-02-15 11:35:30,477 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:35:30,477 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:35:30,477 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:35:30,477 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176
[2022-02-15 11:35:30,477 INFO  L402      AbstractCegarLoop]: === Iteration 178 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:35:30,477 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:35:30,477 INFO  L85        PathProgramCache]: Analyzing trace with hash 143264153, now seen corresponding path program 154 times
[2022-02-15 11:35:30,478 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:35:30,478 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392550165]
[2022-02-15 11:35:30,478 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:35:30,478 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:35:30,485 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:35:30,756 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:35:30,756 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:35:30,757 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392550165]
[2022-02-15 11:35:30,757 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392550165] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:35:30,757 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:35:30,757 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:35:30,757 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436989126]
[2022-02-15 11:35:30,757 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:35:30,757 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:35:30,757 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:35:30,757 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:35:30,757 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:35:30,758 INFO  L87              Difference]: Start difference. First operand 22871 states and 63029 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:33,644 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:35:33,645 INFO  L93              Difference]: Finished difference Result 44812 states and 122341 transitions.
[2022-02-15 11:35:33,645 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-15 11:35:33,645 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:35:33,645 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:35:33,729 INFO  L225             Difference]: With dead ends: 44812
[2022-02-15 11:35:33,729 INFO  L226             Difference]: Without dead ends: 44812
[2022-02-15 11:35:33,730 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=696, Invalid=5624, Unknown=0, NotChecked=0, Total=6320
[2022-02-15 11:35:33,730 INFO  L933         BasicCegarLoop]: 1162 mSDtfsCounter, 1991 mSDsluCounter, 25105 mSDsCounter, 0 mSdLazyCounter, 5151 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1991 SdHoareTripleChecker+Valid, 25960 SdHoareTripleChecker+Invalid, 5170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:35:33,730 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1991 Valid, 25960 Invalid, 5170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5151 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:35:33,798 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44812 states.
[2022-02-15 11:35:34,182 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44812 to 22855.
[2022-02-15 11:35:34,208 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22855 states, 22854 states have (on average 2.755797672179925) internal successors, (62981), 22854 states have internal predecessors, (62981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:34,251 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22855 states to 22855 states and 62981 transitions.
[2022-02-15 11:35:34,251 INFO  L78                 Accepts]: Start accepts. Automaton has 22855 states and 62981 transitions. Word has length 199
[2022-02-15 11:35:34,252 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:35:34,252 INFO  L470      AbstractCegarLoop]: Abstraction has 22855 states and 62981 transitions.
[2022-02-15 11:35:34,252 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:34,252 INFO  L276                IsEmpty]: Start isEmpty. Operand 22855 states and 62981 transitions.
[2022-02-15 11:35:34,280 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:35:34,280 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:35:34,280 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:35:34,280 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177
[2022-02-15 11:35:34,281 INFO  L402      AbstractCegarLoop]: === Iteration 179 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:35:34,281 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:35:34,281 INFO  L85        PathProgramCache]: Analyzing trace with hash -457967165, now seen corresponding path program 155 times
[2022-02-15 11:35:34,281 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:35:34,281 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484907975]
[2022-02-15 11:35:34,281 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:35:34,281 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:35:34,289 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:35:34,564 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:35:34,564 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:35:34,564 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484907975]
[2022-02-15 11:35:34,564 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484907975] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:35:34,564 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:35:34,564 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:35:34,565 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610012338]
[2022-02-15 11:35:34,565 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:35:34,565 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:35:34,565 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:35:34,565 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:35:34,565 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:35:34,565 INFO  L87              Difference]: Start difference. First operand 22855 states and 62981 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:37,422 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:35:37,422 INFO  L93              Difference]: Finished difference Result 46055 states and 125513 transitions.
[2022-02-15 11:35:37,422 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-15 11:35:37,422 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:35:37,422 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:35:37,500 INFO  L225             Difference]: With dead ends: 46055
[2022-02-15 11:35:37,501 INFO  L226             Difference]: Without dead ends: 46055
[2022-02-15 11:35:37,502 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=690, Invalid=5630, Unknown=0, NotChecked=0, Total=6320
[2022-02-15 11:35:37,502 INFO  L933         BasicCegarLoop]: 1199 mSDtfsCounter, 1961 mSDsluCounter, 25842 mSDsCounter, 0 mSdLazyCounter, 5157 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1961 SdHoareTripleChecker+Valid, 26715 SdHoareTripleChecker+Invalid, 5176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:35:37,502 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1961 Valid, 26715 Invalid, 5176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5157 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:35:37,563 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 46055 states.
[2022-02-15 11:35:37,995 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 46055 to 22647.
[2022-02-15 11:35:38,022 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22647 states, 22646 states have (on average 2.753554711648856) internal successors, (62357), 22646 states have internal predecessors, (62357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:38,063 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22647 states to 22647 states and 62357 transitions.
[2022-02-15 11:35:38,064 INFO  L78                 Accepts]: Start accepts. Automaton has 22647 states and 62357 transitions. Word has length 199
[2022-02-15 11:35:38,064 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:35:38,064 INFO  L470      AbstractCegarLoop]: Abstraction has 22647 states and 62357 transitions.
[2022-02-15 11:35:38,064 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:38,064 INFO  L276                IsEmpty]: Start isEmpty. Operand 22647 states and 62357 transitions.
[2022-02-15 11:35:38,091 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:35:38,091 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:35:38,091 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:35:38,091 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178
[2022-02-15 11:35:38,091 INFO  L402      AbstractCegarLoop]: === Iteration 180 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:35:38,092 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:35:38,092 INFO  L85        PathProgramCache]: Analyzing trace with hash 1472046337, now seen corresponding path program 156 times
[2022-02-15 11:35:38,092 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:35:38,092 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534436743]
[2022-02-15 11:35:38,092 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:35:38,092 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:35:38,100 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:35:38,388 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:35:38,389 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:35:38,389 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534436743]
[2022-02-15 11:35:38,389 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534436743] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:35:38,389 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:35:38,389 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:35:38,389 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072414793]
[2022-02-15 11:35:38,389 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:35:38,389 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:35:38,389 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:35:38,390 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:35:38,390 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:35:38,390 INFO  L87              Difference]: Start difference. First operand 22647 states and 62357 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:41,224 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:35:41,224 INFO  L93              Difference]: Finished difference Result 46713 states and 127235 transitions.
[2022-02-15 11:35:41,224 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. 
[2022-02-15 11:35:41,224 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:35:41,225 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:35:41,307 INFO  L225             Difference]: With dead ends: 46713
[2022-02-15 11:35:41,307 INFO  L226             Difference]: Without dead ends: 46713
[2022-02-15 11:35:41,308 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1203 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=668, Invalid=5494, Unknown=0, NotChecked=0, Total=6162
[2022-02-15 11:35:41,308 INFO  L933         BasicCegarLoop]: 1203 mSDtfsCounter, 1951 mSDsluCounter, 26008 mSDsCounter, 0 mSdLazyCounter, 5159 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1951 SdHoareTripleChecker+Valid, 26884 SdHoareTripleChecker+Invalid, 5178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:35:41,308 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1951 Valid, 26884 Invalid, 5178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5159 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:35:41,376 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 46713 states.
[2022-02-15 11:35:41,782 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 46713 to 22631.
[2022-02-15 11:35:41,808 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22631 states, 22630 states have (on average 2.7533804684047722) internal successors, (62309), 22630 states have internal predecessors, (62309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:41,854 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22631 states to 22631 states and 62309 transitions.
[2022-02-15 11:35:41,854 INFO  L78                 Accepts]: Start accepts. Automaton has 22631 states and 62309 transitions. Word has length 199
[2022-02-15 11:35:41,854 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:35:41,854 INFO  L470      AbstractCegarLoop]: Abstraction has 22631 states and 62309 transitions.
[2022-02-15 11:35:41,854 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:41,854 INFO  L276                IsEmpty]: Start isEmpty. Operand 22631 states and 62309 transitions.
[2022-02-15 11:35:41,882 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:35:41,882 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:35:41,883 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:35:41,883 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179
[2022-02-15 11:35:41,883 INFO  L402      AbstractCegarLoop]: === Iteration 181 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:35:41,883 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:35:41,883 INFO  L85        PathProgramCache]: Analyzing trace with hash -176879657, now seen corresponding path program 157 times
[2022-02-15 11:35:41,883 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:35:41,883 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328206136]
[2022-02-15 11:35:41,883 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:35:41,883 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:35:41,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:35:42,163 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:35:42,163 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:35:42,163 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328206136]
[2022-02-15 11:35:42,164 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328206136] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:35:42,164 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:35:42,164 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:35:42,164 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791467750]
[2022-02-15 11:35:42,164 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:35:42,164 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:35:42,164 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:35:42,164 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:35:42,164 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:35:42,164 INFO  L87              Difference]: Start difference. First operand 22631 states and 62309 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:44,751 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:35:44,752 INFO  L93              Difference]: Finished difference Result 41678 states and 113533 transitions.
[2022-02-15 11:35:44,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2022-02-15 11:35:44,752 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:35:44,752 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:35:44,827 INFO  L225             Difference]: With dead ends: 41678
[2022-02-15 11:35:44,827 INFO  L226             Difference]: Without dead ends: 41678
[2022-02-15 11:35:44,828 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1069 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=621, Invalid=5079, Unknown=0, NotChecked=0, Total=5700
[2022-02-15 11:35:44,828 INFO  L933         BasicCegarLoop]: 1154 mSDtfsCounter, 1854 mSDsluCounter, 25005 mSDsCounter, 0 mSdLazyCounter, 4725 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1854 SdHoareTripleChecker+Valid, 25834 SdHoareTripleChecker+Invalid, 4744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:35:44,828 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1854 Valid, 25834 Invalid, 4744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4725 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:35:44,891 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41678 states.
[2022-02-15 11:35:45,253 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41678 to 22547.
[2022-02-15 11:35:45,279 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22547 states, 22546 states have (on average 2.7528608178834384) internal successors, (62066), 22546 states have internal predecessors, (62066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:45,323 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22547 states to 22547 states and 62066 transitions.
[2022-02-15 11:35:45,323 INFO  L78                 Accepts]: Start accepts. Automaton has 22547 states and 62066 transitions. Word has length 199
[2022-02-15 11:35:45,323 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:35:45,323 INFO  L470      AbstractCegarLoop]: Abstraction has 22547 states and 62066 transitions.
[2022-02-15 11:35:45,324 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:45,324 INFO  L276                IsEmpty]: Start isEmpty. Operand 22547 states and 62066 transitions.
[2022-02-15 11:35:45,352 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:35:45,352 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:35:45,352 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:35:45,352 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180
[2022-02-15 11:35:45,352 INFO  L402      AbstractCegarLoop]: === Iteration 182 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:35:45,353 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:35:45,353 INFO  L85        PathProgramCache]: Analyzing trace with hash -1840550795, now seen corresponding path program 158 times
[2022-02-15 11:35:45,353 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:35:45,353 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714695728]
[2022-02-15 11:35:45,353 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:35:45,353 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:35:45,361 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:35:45,635 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:35:45,636 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:35:45,636 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714695728]
[2022-02-15 11:35:45,636 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714695728] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:35:45,636 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:35:45,636 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:35:45,636 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85226526]
[2022-02-15 11:35:45,636 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:35:45,636 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:35:45,636 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:35:45,636 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:35:45,636 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:35:45,637 INFO  L87              Difference]: Start difference. First operand 22547 states and 62066 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:48,937 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:35:48,937 INFO  L93              Difference]: Finished difference Result 47322 states and 128391 transitions.
[2022-02-15 11:35:48,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-15 11:35:48,938 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:35:48,938 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:35:49,025 INFO  L225             Difference]: With dead ends: 47322
[2022-02-15 11:35:49,025 INFO  L226             Difference]: Without dead ends: 47322
[2022-02-15 11:35:49,026 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1731 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=943, Invalid=7067, Unknown=0, NotChecked=0, Total=8010
[2022-02-15 11:35:49,026 INFO  L933         BasicCegarLoop]: 1161 mSDtfsCounter, 2524 mSDsluCounter, 25601 mSDsCounter, 0 mSdLazyCounter, 5398 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2524 SdHoareTripleChecker+Valid, 26277 SdHoareTripleChecker+Invalid, 5421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:35:49,027 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2524 Valid, 26277 Invalid, 5421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5398 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:35:49,095 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 47322 states.
[2022-02-15 11:35:49,496 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 47322 to 22995.
[2022-02-15 11:35:49,522 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22995 states, 22994 states have (on average 2.758371749151953) internal successors, (63426), 22994 states have internal predecessors, (63426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:49,566 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22995 states to 22995 states and 63426 transitions.
[2022-02-15 11:35:49,566 INFO  L78                 Accepts]: Start accepts. Automaton has 22995 states and 63426 transitions. Word has length 199
[2022-02-15 11:35:49,566 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:35:49,566 INFO  L470      AbstractCegarLoop]: Abstraction has 22995 states and 63426 transitions.
[2022-02-15 11:35:49,566 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:49,566 INFO  L276                IsEmpty]: Start isEmpty. Operand 22995 states and 63426 transitions.
[2022-02-15 11:35:49,592 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:35:49,593 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:35:49,593 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:35:49,593 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181
[2022-02-15 11:35:49,593 INFO  L402      AbstractCegarLoop]: === Iteration 183 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:35:49,593 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:35:49,593 INFO  L85        PathProgramCache]: Analyzing trace with hash 432618459, now seen corresponding path program 159 times
[2022-02-15 11:35:49,593 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:35:49,593 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030145052]
[2022-02-15 11:35:49,593 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:35:49,593 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:35:49,601 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:35:49,872 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:35:49,872 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:35:49,872 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030145052]
[2022-02-15 11:35:49,872 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030145052] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:35:49,872 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:35:49,872 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:35:49,872 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638264743]
[2022-02-15 11:35:49,872 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:35:49,873 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:35:49,873 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:35:49,873 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:35:49,873 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:35:49,873 INFO  L87              Difference]: Start difference. First operand 22995 states and 63426 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:52,893 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:35:52,893 INFO  L93              Difference]: Finished difference Result 44127 states and 120211 transitions.
[2022-02-15 11:35:52,894 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-15 11:35:52,894 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:35:52,894 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:35:52,973 INFO  L225             Difference]: With dead ends: 44127
[2022-02-15 11:35:52,973 INFO  L226             Difference]: Without dead ends: 44127
[2022-02-15 11:35:52,974 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1668 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=848, Invalid=6808, Unknown=0, NotChecked=0, Total=7656
[2022-02-15 11:35:52,974 INFO  L933         BasicCegarLoop]: 1127 mSDtfsCounter, 2322 mSDsluCounter, 24856 mSDsCounter, 0 mSdLazyCounter, 5077 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2322 SdHoareTripleChecker+Valid, 25633 SdHoareTripleChecker+Invalid, 5100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:35:52,974 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2322 Valid, 25633 Invalid, 5100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5077 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:35:53,043 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44127 states.
[2022-02-15 11:35:53,434 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44127 to 22931.
[2022-02-15 11:35:53,460 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22931 states, 22930 states have (on average 2.7569995638901004) internal successors, (63218), 22930 states have internal predecessors, (63218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:53,504 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22931 states to 22931 states and 63218 transitions.
[2022-02-15 11:35:53,504 INFO  L78                 Accepts]: Start accepts. Automaton has 22931 states and 63218 transitions. Word has length 199
[2022-02-15 11:35:53,504 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:35:53,504 INFO  L470      AbstractCegarLoop]: Abstraction has 22931 states and 63218 transitions.
[2022-02-15 11:35:53,504 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:53,504 INFO  L276                IsEmpty]: Start isEmpty. Operand 22931 states and 63218 transitions.
[2022-02-15 11:35:53,533 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:35:53,533 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:35:53,533 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:35:53,533 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182
[2022-02-15 11:35:53,533 INFO  L402      AbstractCegarLoop]: === Iteration 184 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:35:53,534 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:35:53,534 INFO  L85        PathProgramCache]: Analyzing trace with hash -1939211467, now seen corresponding path program 160 times
[2022-02-15 11:35:53,534 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:35:53,534 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472014451]
[2022-02-15 11:35:53,534 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:35:53,534 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:35:53,542 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:35:53,820 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:35:53,820 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:35:53,820 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472014451]
[2022-02-15 11:35:53,820 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472014451] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:35:53,821 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:35:53,821 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:35:53,821 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155330449]
[2022-02-15 11:35:53,821 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:35:53,821 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:35:53,821 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:35:53,821 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:35:53,821 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:35:53,821 INFO  L87              Difference]: Start difference. First operand 22931 states and 63218 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:56,720 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:35:56,720 INFO  L93              Difference]: Finished difference Result 42269 states and 115426 transitions.
[2022-02-15 11:35:56,721 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-15 11:35:56,721 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:35:56,721 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:35:56,790 INFO  L225             Difference]: With dead ends: 42269
[2022-02-15 11:35:56,790 INFO  L226             Difference]: Without dead ends: 42269
[2022-02-15 11:35:56,791 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1344 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=747, Invalid=5895, Unknown=0, NotChecked=0, Total=6642
[2022-02-15 11:35:56,791 INFO  L933         BasicCegarLoop]: 1122 mSDtfsCounter, 2052 mSDsluCounter, 24278 mSDsCounter, 0 mSdLazyCounter, 5038 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2052 SdHoareTripleChecker+Valid, 25072 SdHoareTripleChecker+Invalid, 5057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:35:56,791 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2052 Valid, 25072 Invalid, 5057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5038 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:35:56,845 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42269 states.
[2022-02-15 11:35:57,170 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42269 to 22883.
[2022-02-15 11:35:57,196 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22883 states, 22882 states have (on average 2.7564898173236605) internal successors, (63074), 22882 states have internal predecessors, (63074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:57,237 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22883 states to 22883 states and 63074 transitions.
[2022-02-15 11:35:57,237 INFO  L78                 Accepts]: Start accepts. Automaton has 22883 states and 63074 transitions. Word has length 199
[2022-02-15 11:35:57,238 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:35:57,238 INFO  L470      AbstractCegarLoop]: Abstraction has 22883 states and 63074 transitions.
[2022-02-15 11:35:57,238 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:35:57,238 INFO  L276                IsEmpty]: Start isEmpty. Operand 22883 states and 63074 transitions.
[2022-02-15 11:35:57,264 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:35:57,264 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:35:57,264 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:35:57,265 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183
[2022-02-15 11:35:57,265 INFO  L402      AbstractCegarLoop]: === Iteration 185 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:35:57,265 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:35:57,265 INFO  L85        PathProgramCache]: Analyzing trace with hash -337924567, now seen corresponding path program 161 times
[2022-02-15 11:35:57,265 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:35:57,265 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554450848]
[2022-02-15 11:35:57,265 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:35:57,265 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:35:57,273 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:35:57,542 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:35:57,542 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:35:57,542 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554450848]
[2022-02-15 11:35:57,542 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554450848] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:35:57,542 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:35:57,542 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:35:57,542 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166963951]
[2022-02-15 11:35:57,542 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:35:57,542 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:35:57,543 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:35:57,543 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:35:57,543 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:35:57,543 INFO  L87              Difference]: Start difference. First operand 22883 states and 63074 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:00,392 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:36:00,393 INFO  L93              Difference]: Finished difference Result 43627 states and 118818 transitions.
[2022-02-15 11:36:00,393 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-15 11:36:00,393 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:36:00,393 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:36:00,467 INFO  L225             Difference]: With dead ends: 43627
[2022-02-15 11:36:00,467 INFO  L226             Difference]: Without dead ends: 43627
[2022-02-15 11:36:00,468 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1343 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=745, Invalid=5897, Unknown=0, NotChecked=0, Total=6642
[2022-02-15 11:36:00,468 INFO  L933         BasicCegarLoop]: 1135 mSDtfsCounter, 2108 mSDsluCounter, 24550 mSDsCounter, 0 mSdLazyCounter, 4971 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2108 SdHoareTripleChecker+Valid, 25354 SdHoareTripleChecker+Invalid, 4990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:36:00,468 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2108 Valid, 25354 Invalid, 4990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4971 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:36:00,527 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 43627 states.
[2022-02-15 11:36:00,879 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 43627 to 22867.
[2022-02-15 11:36:00,907 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22867 states, 22866 states have (on average 2.7563194262223387) internal successors, (63026), 22866 states have internal predecessors, (63026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:00,950 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22867 states to 22867 states and 63026 transitions.
[2022-02-15 11:36:00,951 INFO  L78                 Accepts]: Start accepts. Automaton has 22867 states and 63026 transitions. Word has length 199
[2022-02-15 11:36:00,951 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:36:00,951 INFO  L470      AbstractCegarLoop]: Abstraction has 22867 states and 63026 transitions.
[2022-02-15 11:36:00,951 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:00,951 INFO  L276                IsEmpty]: Start isEmpty. Operand 22867 states and 63026 transitions.
[2022-02-15 11:36:00,978 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:36:00,979 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:36:00,979 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:36:00,979 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184
[2022-02-15 11:36:00,979 INFO  L402      AbstractCegarLoop]: === Iteration 186 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:36:00,979 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:36:00,979 INFO  L85        PathProgramCache]: Analyzing trace with hash -939155885, now seen corresponding path program 162 times
[2022-02-15 11:36:00,979 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:36:00,979 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117513315]
[2022-02-15 11:36:00,979 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:36:00,979 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:36:00,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:36:01,255 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:36:01,255 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:36:01,255 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117513315]
[2022-02-15 11:36:01,255 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117513315] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:36:01,255 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:36:01,255 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:36:01,255 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56137331]
[2022-02-15 11:36:01,256 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:36:01,256 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:36:01,256 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:36:01,256 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:36:01,256 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:36:01,256 INFO  L87              Difference]: Start difference. First operand 22867 states and 63026 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:04,066 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:36:04,067 INFO  L93              Difference]: Finished difference Result 44870 states and 121990 transitions.
[2022-02-15 11:36:04,067 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-15 11:36:04,067 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:36:04,067 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:36:04,141 INFO  L225             Difference]: With dead ends: 44870
[2022-02-15 11:36:04,141 INFO  L226             Difference]: Without dead ends: 44870
[2022-02-15 11:36:04,142 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1342 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=740, Invalid=5902, Unknown=0, NotChecked=0, Total=6642
[2022-02-15 11:36:04,142 INFO  L933         BasicCegarLoop]: 1172 mSDtfsCounter, 2078 mSDsluCounter, 25226 mSDsCounter, 0 mSdLazyCounter, 4979 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2078 SdHoareTripleChecker+Valid, 26050 SdHoareTripleChecker+Invalid, 4998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:36:04,142 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2078 Valid, 26050 Invalid, 4998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4979 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:36:04,201 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44870 states.
[2022-02-15 11:36:04,542 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44870 to 22659.
[2022-02-15 11:36:04,567 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22659 states, 22658 states have (on average 2.7540824432871394) internal successors, (62402), 22658 states have internal predecessors, (62402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:04,609 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22659 states to 22659 states and 62402 transitions.
[2022-02-15 11:36:04,609 INFO  L78                 Accepts]: Start accepts. Automaton has 22659 states and 62402 transitions. Word has length 199
[2022-02-15 11:36:04,609 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:36:04,609 INFO  L470      AbstractCegarLoop]: Abstraction has 22659 states and 62402 transitions.
[2022-02-15 11:36:04,609 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:04,609 INFO  L276                IsEmpty]: Start isEmpty. Operand 22659 states and 62402 transitions.
[2022-02-15 11:36:04,637 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:36:04,638 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:36:04,638 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:36:04,638 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185
[2022-02-15 11:36:04,638 INFO  L402      AbstractCegarLoop]: === Iteration 187 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:36:04,638 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:36:04,638 INFO  L85        PathProgramCache]: Analyzing trace with hash 990857617, now seen corresponding path program 163 times
[2022-02-15 11:36:04,638 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:36:04,638 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042528980]
[2022-02-15 11:36:04,638 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:36:04,638 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:36:04,646 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:36:04,915 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:36:04,916 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:36:04,916 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042528980]
[2022-02-15 11:36:04,916 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042528980] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:36:04,916 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:36:04,916 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:36:04,916 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777508449]
[2022-02-15 11:36:04,916 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:36:04,916 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:36:04,916 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:36:04,916 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:36:04,917 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:36:04,917 INFO  L87              Difference]: Start difference. First operand 22659 states and 62402 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:07,705 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:36:07,705 INFO  L93              Difference]: Finished difference Result 45528 states and 123712 transitions.
[2022-02-15 11:36:07,705 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2022-02-15 11:36:07,706 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:36:07,706 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:36:07,784 INFO  L225             Difference]: With dead ends: 45528
[2022-02-15 11:36:07,784 INFO  L226             Difference]: Without dead ends: 45528
[2022-02-15 11:36:07,785 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1294 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=717, Invalid=5763, Unknown=0, NotChecked=0, Total=6480
[2022-02-15 11:36:07,785 INFO  L933         BasicCegarLoop]: 1176 mSDtfsCounter, 2068 mSDsluCounter, 25366 mSDsCounter, 0 mSdLazyCounter, 4981 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2068 SdHoareTripleChecker+Valid, 26194 SdHoareTripleChecker+Invalid, 5000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:36:07,785 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2068 Valid, 26194 Invalid, 5000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4981 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:36:07,845 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 45528 states.
[2022-02-15 11:36:08,195 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 45528 to 22643.
[2022-02-15 11:36:08,221 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22643 states, 22642 states have (on average 2.7539086653122515) internal successors, (62354), 22642 states have internal predecessors, (62354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:08,262 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22643 states to 22643 states and 62354 transitions.
[2022-02-15 11:36:08,262 INFO  L78                 Accepts]: Start accepts. Automaton has 22643 states and 62354 transitions. Word has length 199
[2022-02-15 11:36:08,262 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:36:08,262 INFO  L470      AbstractCegarLoop]: Abstraction has 22643 states and 62354 transitions.
[2022-02-15 11:36:08,262 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:08,262 INFO  L276                IsEmpty]: Start isEmpty. Operand 22643 states and 62354 transitions.
[2022-02-15 11:36:08,288 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:36:08,289 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:36:08,289 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:36:08,289 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186
[2022-02-15 11:36:08,289 INFO  L402      AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:36:08,289 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:36:08,289 INFO  L85        PathProgramCache]: Analyzing trace with hash -658068377, now seen corresponding path program 164 times
[2022-02-15 11:36:08,289 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:36:08,289 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562694646]
[2022-02-15 11:36:08,289 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:36:08,289 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:36:08,297 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:36:08,563 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:36:08,564 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:36:08,564 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562694646]
[2022-02-15 11:36:08,564 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562694646] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:36:08,564 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:36:08,564 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:36:08,564 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853134093]
[2022-02-15 11:36:08,564 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:36:08,564 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:36:08,564 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:36:08,565 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:36:08,565 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:36:08,565 INFO  L87              Difference]: Start difference. First operand 22643 states and 62354 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:11,320 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:36:11,321 INFO  L93              Difference]: Finished difference Result 45716 states and 124204 transitions.
[2022-02-15 11:36:11,321 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-15 11:36:11,321 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:36:11,321 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:36:11,408 INFO  L225             Difference]: With dead ends: 45716
[2022-02-15 11:36:11,408 INFO  L226             Difference]: Without dead ends: 45716
[2022-02-15 11:36:11,409 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1247 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=697, Invalid=5623, Unknown=0, NotChecked=0, Total=6320
[2022-02-15 11:36:11,409 INFO  L933         BasicCegarLoop]: 1178 mSDtfsCounter, 2014 mSDsluCounter, 25494 mSDsCounter, 0 mSdLazyCounter, 4795 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2014 SdHoareTripleChecker+Valid, 26324 SdHoareTripleChecker+Invalid, 4814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-02-15 11:36:11,409 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2014 Valid, 26324 Invalid, 4814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4795 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-02-15 11:36:11,480 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 45716 states.
[2022-02-15 11:36:11,951 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 45716 to 22595.
[2022-02-15 11:36:11,977 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22595 states, 22594 states have (on average 2.7533858546516776) internal successors, (62210), 22594 states have internal predecessors, (62210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:12,020 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62210 transitions.
[2022-02-15 11:36:12,021 INFO  L78                 Accepts]: Start accepts. Automaton has 22595 states and 62210 transitions. Word has length 199
[2022-02-15 11:36:12,021 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:36:12,021 INFO  L470      AbstractCegarLoop]: Abstraction has 22595 states and 62210 transitions.
[2022-02-15 11:36:12,021 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:12,021 INFO  L276                IsEmpty]: Start isEmpty. Operand 22595 states and 62210 transitions.
[2022-02-15 11:36:12,049 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:36:12,049 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:36:12,050 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:36:12,050 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187
[2022-02-15 11:36:12,050 INFO  L402      AbstractCegarLoop]: === Iteration 189 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:36:12,050 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:36:12,050 INFO  L85        PathProgramCache]: Analyzing trace with hash -717258735, now seen corresponding path program 165 times
[2022-02-15 11:36:12,051 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:36:12,051 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023641832]
[2022-02-15 11:36:12,051 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:36:12,051 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:36:12,058 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:36:12,326 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:36:12,326 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:36:12,326 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023641832]
[2022-02-15 11:36:12,326 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023641832] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:36:12,327 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:36:12,327 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:36:12,327 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914236853]
[2022-02-15 11:36:12,327 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:36:12,327 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:36:12,327 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:36:12,327 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:36:12,327 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:36:12,327 INFO  L87              Difference]: Start difference. First operand 22595 states and 62210 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:14,889 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:36:14,889 INFO  L93              Difference]: Finished difference Result 40397 states and 109722 transitions.
[2022-02-15 11:36:14,890 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2022-02-15 11:36:14,890 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:36:14,890 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:36:14,960 INFO  L225             Difference]: With dead ends: 40397
[2022-02-15 11:36:14,961 INFO  L226             Difference]: Without dead ends: 40397
[2022-02-15 11:36:14,961 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1151 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=673, Invalid=5333, Unknown=0, NotChecked=0, Total=6006
[2022-02-15 11:36:14,962 INFO  L933         BasicCegarLoop]: 1145 mSDtfsCounter, 1941 mSDsluCounter, 24837 mSDsCounter, 0 mSdLazyCounter, 4465 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1941 SdHoareTripleChecker+Valid, 25615 SdHoareTripleChecker+Invalid, 4484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2022-02-15 11:36:14,962 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1941 Valid, 25615 Invalid, 4484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4465 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2022-02-15 11:36:15,018 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40397 states.
[2022-02-15 11:36:15,342 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40397 to 22511.
[2022-02-15 11:36:15,368 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22511 states, 22510 states have (on average 2.7528653931585962) internal successors, (61967), 22510 states have internal predecessors, (61967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:15,409 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions.
[2022-02-15 11:36:15,410 INFO  L78                 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199
[2022-02-15 11:36:15,410 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:36:15,410 INFO  L470      AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions.
[2022-02-15 11:36:15,410 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:15,410 INFO  L276                IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions.
[2022-02-15 11:36:15,437 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:36:15,437 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:36:15,437 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:36:15,437 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188
[2022-02-15 11:36:15,437 INFO  L402      AbstractCegarLoop]: === Iteration 190 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:36:15,438 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:36:15,438 INFO  L85        PathProgramCache]: Analyzing trace with hash -97982595, now seen corresponding path program 166 times
[2022-02-15 11:36:15,438 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:36:15,438 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393976107]
[2022-02-15 11:36:15,438 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:36:15,438 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:36:15,446 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:36:15,714 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:36:15,714 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:36:15,714 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393976107]
[2022-02-15 11:36:15,714 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393976107] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:36:15,714 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:36:15,714 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:36:15,714 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122737281]
[2022-02-15 11:36:15,714 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:36:15,715 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:36:15,715 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:36:15,715 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:36:15,715 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:36:15,715 INFO  L87              Difference]: Start difference. First operand 22511 states and 61967 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:18,966 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:36:18,966 INFO  L93              Difference]: Finished difference Result 46356 states and 126421 transitions.
[2022-02-15 11:36:18,967 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. 
[2022-02-15 11:36:18,967 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:36:18,967 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:36:19,050 INFO  L225             Difference]: With dead ends: 46356
[2022-02-15 11:36:19,050 INFO  L226             Difference]: Without dead ends: 46356
[2022-02-15 11:36:19,051 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1316 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=878, Invalid=5928, Unknown=0, NotChecked=0, Total=6806
[2022-02-15 11:36:19,052 INFO  L933         BasicCegarLoop]: 1149 mSDtfsCounter, 2539 mSDsluCounter, 24723 mSDsCounter, 0 mSdLazyCounter, 5602 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2539 SdHoareTripleChecker+Valid, 25401 SdHoareTripleChecker+Invalid, 5625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2022-02-15 11:36:19,052 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2539 Valid, 25401 Invalid, 5625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5602 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2022-02-15 11:36:19,118 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 46356 states.
[2022-02-15 11:36:19,536 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 46356 to 24095.
[2022-02-15 11:36:19,563 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24095 states, 24094 states have (on average 2.7568274259151657) internal successors, (66423), 24094 states have internal predecessors, (66423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:19,610 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24095 states to 24095 states and 66423 transitions.
[2022-02-15 11:36:19,610 INFO  L78                 Accepts]: Start accepts. Automaton has 24095 states and 66423 transitions. Word has length 199
[2022-02-15 11:36:19,610 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:36:19,610 INFO  L470      AbstractCegarLoop]: Abstraction has 24095 states and 66423 transitions.
[2022-02-15 11:36:19,610 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:19,610 INFO  L276                IsEmpty]: Start isEmpty. Operand 24095 states and 66423 transitions.
[2022-02-15 11:36:19,640 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:36:19,640 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:36:19,640 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:36:19,640 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189
[2022-02-15 11:36:19,640 INFO  L402      AbstractCegarLoop]: === Iteration 191 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:36:19,640 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:36:19,640 INFO  L85        PathProgramCache]: Analyzing trace with hash -2119780637, now seen corresponding path program 167 times
[2022-02-15 11:36:19,641 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:36:19,641 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292575621]
[2022-02-15 11:36:19,641 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:36:19,641 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:36:19,649 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:36:19,923 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:36:19,923 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:36:19,923 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292575621]
[2022-02-15 11:36:19,923 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292575621] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:36:19,923 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:36:19,923 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:36:19,923 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219238695]
[2022-02-15 11:36:19,923 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:36:19,924 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:36:19,924 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:36:19,924 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:36:19,924 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:36:19,924 INFO  L87              Difference]: Start difference. First operand 24095 states and 66423 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:23,036 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:36:23,036 INFO  L93              Difference]: Finished difference Result 44905 states and 122831 transitions.
[2022-02-15 11:36:23,036 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. 
[2022-02-15 11:36:23,037 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:36:23,037 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:36:23,111 INFO  L225             Difference]: With dead ends: 44905
[2022-02-15 11:36:23,111 INFO  L226             Difference]: Without dead ends: 44905
[2022-02-15 11:36:23,112 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1350 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=846, Invalid=5960, Unknown=0, NotChecked=0, Total=6806
[2022-02-15 11:36:23,113 INFO  L933         BasicCegarLoop]: 1126 mSDtfsCounter, 2510 mSDsluCounter, 23954 mSDsCounter, 0 mSdLazyCounter, 5338 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2510 SdHoareTripleChecker+Valid, 24771 SdHoareTripleChecker+Invalid, 5361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:36:23,113 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2510 Valid, 24771 Invalid, 5361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5338 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:36:23,172 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44905 states.
[2022-02-15 11:36:23,555 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44905 to 24031.
[2022-02-15 11:36:23,582 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24031 states, 24030 states have (on average 2.7555139409071994) internal successors, (66215), 24030 states have internal predecessors, (66215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:23,627 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24031 states to 24031 states and 66215 transitions.
[2022-02-15 11:36:23,627 INFO  L78                 Accepts]: Start accepts. Automaton has 24031 states and 66215 transitions. Word has length 199
[2022-02-15 11:36:23,627 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:36:23,627 INFO  L470      AbstractCegarLoop]: Abstraction has 24031 states and 66215 transitions.
[2022-02-15 11:36:23,627 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:23,627 INFO  L276                IsEmpty]: Start isEmpty. Operand 24031 states and 66215 transitions.
[2022-02-15 11:36:23,655 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:36:23,656 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:36:23,656 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:36:23,657 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190
[2022-02-15 11:36:23,657 INFO  L402      AbstractCegarLoop]: === Iteration 192 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:36:23,657 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:36:23,657 INFO  L85        PathProgramCache]: Analyzing trace with hash -196643267, now seen corresponding path program 168 times
[2022-02-15 11:36:23,657 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:36:23,657 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019477118]
[2022-02-15 11:36:23,657 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:36:23,657 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:36:23,669 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:36:23,944 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:36:23,945 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:36:23,945 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019477118]
[2022-02-15 11:36:23,945 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019477118] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:36:23,945 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:36:23,945 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:36:23,945 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738769881]
[2022-02-15 11:36:23,945 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:36:23,945 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:36:23,945 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:36:23,945 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:36:23,946 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:36:23,946 INFO  L87              Difference]: Start difference. First operand 24031 states and 66215 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:26,862 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:36:26,863 INFO  L93              Difference]: Finished difference Result 43047 states and 118046 transitions.
[2022-02-15 11:36:26,863 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:36:26,863 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:36:26,863 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:36:26,936 INFO  L225             Difference]: With dead ends: 43047
[2022-02-15 11:36:26,936 INFO  L226             Difference]: Without dead ends: 43047
[2022-02-15 11:36:26,937 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1067 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=730, Invalid=5122, Unknown=0, NotChecked=0, Total=5852
[2022-02-15 11:36:26,937 INFO  L933         BasicCegarLoop]: 1121 mSDtfsCounter, 2240 mSDsluCounter, 23465 mSDsCounter, 0 mSdLazyCounter, 5294 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2240 SdHoareTripleChecker+Valid, 24294 SdHoareTripleChecker+Invalid, 5313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:36:26,937 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2240 Valid, 24294 Invalid, 5313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5294 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:36:26,996 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 43047 states.
[2022-02-15 11:36:27,362 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 43047 to 23983.
[2022-02-15 11:36:27,390 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23983 states, 23982 states have (on average 2.755024601784672) internal successors, (66071), 23982 states have internal predecessors, (66071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:27,434 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23983 states to 23983 states and 66071 transitions.
[2022-02-15 11:36:27,435 INFO  L78                 Accepts]: Start accepts. Automaton has 23983 states and 66071 transitions. Word has length 199
[2022-02-15 11:36:27,435 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:36:27,435 INFO  L470      AbstractCegarLoop]: Abstraction has 23983 states and 66071 transitions.
[2022-02-15 11:36:27,435 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:27,435 INFO  L276                IsEmpty]: Start isEmpty. Operand 23983 states and 66071 transitions.
[2022-02-15 11:36:27,463 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:36:27,463 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:36:27,463 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:36:27,463 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191
[2022-02-15 11:36:27,463 INFO  L402      AbstractCegarLoop]: === Iteration 193 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:36:27,464 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:36:27,464 INFO  L85        PathProgramCache]: Analyzing trace with hash 1404643633, now seen corresponding path program 169 times
[2022-02-15 11:36:27,464 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:36:27,464 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849902162]
[2022-02-15 11:36:27,464 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:36:27,464 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:36:27,472 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:36:27,743 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:36:27,743 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:36:27,743 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849902162]
[2022-02-15 11:36:27,743 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849902162] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:36:27,743 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:36:27,743 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:36:27,744 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523698989]
[2022-02-15 11:36:27,744 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:36:27,744 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:36:27,744 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:36:27,744 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:36:27,744 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:36:27,744 INFO  L87              Difference]: Start difference. First operand 23983 states and 66071 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:30,648 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:36:30,648 INFO  L93              Difference]: Finished difference Result 44405 states and 121438 transitions.
[2022-02-15 11:36:30,648 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:36:30,648 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:36:30,648 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:36:30,726 INFO  L225             Difference]: With dead ends: 44405
[2022-02-15 11:36:30,726 INFO  L226             Difference]: Without dead ends: 44405
[2022-02-15 11:36:30,727 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1065 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=732, Invalid=5120, Unknown=0, NotChecked=0, Total=5852
[2022-02-15 11:36:30,727 INFO  L933         BasicCegarLoop]: 1134 mSDtfsCounter, 2296 mSDsluCounter, 23719 mSDsCounter, 0 mSdLazyCounter, 5218 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2296 SdHoareTripleChecker+Valid, 24559 SdHoareTripleChecker+Invalid, 5237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:36:30,727 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2296 Valid, 24559 Invalid, 5237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5218 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:36:30,785 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44405 states.
[2022-02-15 11:36:31,170 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44405 to 23967.
[2022-02-15 11:36:31,197 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23967 states, 23966 states have (on average 2.7548610531586415) internal successors, (66023), 23966 states have internal predecessors, (66023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:31,245 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23967 states to 23967 states and 66023 transitions.
[2022-02-15 11:36:31,245 INFO  L78                 Accepts]: Start accepts. Automaton has 23967 states and 66023 transitions. Word has length 199
[2022-02-15 11:36:31,245 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:36:31,245 INFO  L470      AbstractCegarLoop]: Abstraction has 23967 states and 66023 transitions.
[2022-02-15 11:36:31,245 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:31,245 INFO  L276                IsEmpty]: Start isEmpty. Operand 23967 states and 66023 transitions.
[2022-02-15 11:36:31,275 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:36:31,275 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:36:31,275 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:36:31,276 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192
[2022-02-15 11:36:31,276 INFO  L402      AbstractCegarLoop]: === Iteration 194 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:36:31,276 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:36:31,276 INFO  L85        PathProgramCache]: Analyzing trace with hash 803412315, now seen corresponding path program 170 times
[2022-02-15 11:36:31,276 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:36:31,276 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516877640]
[2022-02-15 11:36:31,276 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:36:31,276 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:36:31,284 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:36:31,556 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:36:31,556 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:36:31,556 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516877640]
[2022-02-15 11:36:31,556 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516877640] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:36:31,556 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:36:31,556 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:36:31,556 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206496938]
[2022-02-15 11:36:31,556 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:36:31,557 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:36:31,557 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:36:31,557 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:36:31,557 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:36:31,557 INFO  L87              Difference]: Start difference. First operand 23967 states and 66023 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:34,369 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:36:34,369 INFO  L93              Difference]: Finished difference Result 43398 states and 118580 transitions.
[2022-02-15 11:36:34,369 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-15 11:36:34,370 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:36:34,370 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:36:34,445 INFO  L225             Difference]: With dead ends: 43398
[2022-02-15 11:36:34,446 INFO  L226             Difference]: Without dead ends: 43398
[2022-02-15 11:36:34,446 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 983 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=688, Invalid=4862, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:36:34,447 INFO  L933         BasicCegarLoop]: 1181 mSDtfsCounter, 2116 mSDsluCounter, 24512 mSDsCounter, 0 mSdLazyCounter, 5240 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2116 SdHoareTripleChecker+Valid, 25383 SdHoareTripleChecker+Invalid, 5259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:36:34,447 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2116 Valid, 25383 Invalid, 5259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5240 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:36:34,509 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 43398 states.
[2022-02-15 11:36:34,896 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 43398 to 23759.
[2022-02-15 11:36:34,924 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23759 states, 23758 states have (on average 2.7527148749894774) internal successors, (65399), 23758 states have internal predecessors, (65399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:34,970 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23759 states to 23759 states and 65399 transitions.
[2022-02-15 11:36:34,970 INFO  L78                 Accepts]: Start accepts. Automaton has 23759 states and 65399 transitions. Word has length 199
[2022-02-15 11:36:34,970 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:36:34,971 INFO  L470      AbstractCegarLoop]: Abstraction has 23759 states and 65399 transitions.
[2022-02-15 11:36:34,971 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:34,971 INFO  L276                IsEmpty]: Start isEmpty. Operand 23759 states and 65399 transitions.
[2022-02-15 11:36:35,001 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:36:35,001 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:36:35,001 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:36:35,001 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193
[2022-02-15 11:36:35,001 INFO  L402      AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:36:35,001 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:36:35,001 INFO  L85        PathProgramCache]: Analyzing trace with hash 1497012223, now seen corresponding path program 171 times
[2022-02-15 11:36:35,001 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:36:35,001 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123678545]
[2022-02-15 11:36:35,001 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:36:35,002 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:36:35,010 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:36:35,279 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:36:35,279 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:36:35,279 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123678545]
[2022-02-15 11:36:35,279 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123678545] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:36:35,279 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:36:35,279 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:36:35,280 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044346848]
[2022-02-15 11:36:35,280 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:36:35,280 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:36:35,280 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:36:35,280 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:36:35,280 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:36:35,280 INFO  L87              Difference]: Start difference. First operand 23759 states and 65399 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:38,225 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:36:38,225 INFO  L93              Difference]: Finished difference Result 46938 states and 128128 transitions.
[2022-02-15 11:36:38,225 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2022-02-15 11:36:38,225 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:36:38,226 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:36:38,304 INFO  L225             Difference]: With dead ends: 46938
[2022-02-15 11:36:38,305 INFO  L226             Difference]: Without dead ends: 46938
[2022-02-15 11:36:38,305 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=708, Invalid=4992, Unknown=0, NotChecked=0, Total=5700
[2022-02-15 11:36:38,306 INFO  L933         BasicCegarLoop]: 1083 mSDtfsCounter, 2356 mSDsluCounter, 23360 mSDsCounter, 0 mSdLazyCounter, 5503 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2356 SdHoareTripleChecker+Valid, 24044 SdHoareTripleChecker+Invalid, 5526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:36:38,306 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2356 Valid, 24044 Invalid, 5526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5503 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:36:38,367 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 46938 states.
[2022-02-15 11:36:38,761 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 46938 to 23919.
[2022-02-15 11:36:38,787 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23919 states, 23918 states have (on average 2.75453633246927) internal successors, (65883), 23918 states have internal predecessors, (65883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:38,830 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23919 states to 23919 states and 65883 transitions.
[2022-02-15 11:36:38,830 INFO  L78                 Accepts]: Start accepts. Automaton has 23919 states and 65883 transitions. Word has length 199
[2022-02-15 11:36:38,830 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:36:38,830 INFO  L470      AbstractCegarLoop]: Abstraction has 23919 states and 65883 transitions.
[2022-02-15 11:36:38,830 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:38,830 INFO  L276                IsEmpty]: Start isEmpty. Operand 23919 states and 65883 transitions.
[2022-02-15 11:36:38,857 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:36:38,858 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:36:38,858 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:36:38,858 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194
[2022-02-15 11:36:38,858 INFO  L402      AbstractCegarLoop]: === Iteration 196 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:36:38,858 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:36:38,858 INFO  L85        PathProgramCache]: Analyzing trace with hash -524785819, now seen corresponding path program 172 times
[2022-02-15 11:36:38,858 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:36:38,858 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60868854]
[2022-02-15 11:36:38,858 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:36:38,858 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:36:38,866 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:36:39,137 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:36:39,137 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:36:39,137 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60868854]
[2022-02-15 11:36:39,138 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60868854] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:36:39,138 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:36:39,138 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:36:39,138 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518651939]
[2022-02-15 11:36:39,138 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:36:39,138 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:36:39,138 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:36:39,138 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:36:39,138 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:36:39,138 INFO  L87              Difference]: Start difference. First operand 23919 states and 65883 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:42,072 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:36:42,073 INFO  L93              Difference]: Finished difference Result 45777 states and 125289 transitions.
[2022-02-15 11:36:42,073 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:36:42,073 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:36:42,073 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:36:42,158 INFO  L225             Difference]: With dead ends: 45777
[2022-02-15 11:36:42,159 INFO  L226             Difference]: Without dead ends: 45777
[2022-02-15 11:36:42,159 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=713, Invalid=5139, Unknown=0, NotChecked=0, Total=5852
[2022-02-15 11:36:42,160 INFO  L933         BasicCegarLoop]: 1046 mSDtfsCounter, 2278 mSDsluCounter, 22342 mSDsCounter, 0 mSdLazyCounter, 5261 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2278 SdHoareTripleChecker+Valid, 23154 SdHoareTripleChecker+Invalid, 5284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:36:42,160 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2278 Valid, 23154 Invalid, 5284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5261 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:36:42,230 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 45777 states.
[2022-02-15 11:36:42,663 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 45777 to 23855.
[2022-02-15 11:36:42,690 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23855 states, 23854 states have (on average 2.753207009306615) internal successors, (65675), 23854 states have internal predecessors, (65675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:42,736 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23855 states to 23855 states and 65675 transitions.
[2022-02-15 11:36:42,736 INFO  L78                 Accepts]: Start accepts. Automaton has 23855 states and 65675 transitions. Word has length 199
[2022-02-15 11:36:42,737 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:36:42,737 INFO  L470      AbstractCegarLoop]: Abstraction has 23855 states and 65675 transitions.
[2022-02-15 11:36:42,737 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:42,737 INFO  L276                IsEmpty]: Start isEmpty. Operand 23855 states and 65675 transitions.
[2022-02-15 11:36:42,767 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:36:42,767 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:36:42,767 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:36:42,767 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195
[2022-02-15 11:36:42,767 INFO  L402      AbstractCegarLoop]: === Iteration 197 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:36:42,768 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:36:42,768 INFO  L85        PathProgramCache]: Analyzing trace with hash -901983043, now seen corresponding path program 173 times
[2022-02-15 11:36:42,768 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:36:42,768 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423629379]
[2022-02-15 11:36:42,768 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:36:42,768 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:36:42,776 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:36:43,058 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:36:43,058 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:36:43,059 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423629379]
[2022-02-15 11:36:43,059 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423629379] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:36:43,059 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:36:43,059 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:36:43,059 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729728588]
[2022-02-15 11:36:43,059 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:36:43,059 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:36:43,059 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:36:43,059 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:36:43,059 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:36:43,060 INFO  L87              Difference]: Start difference. First operand 23855 states and 65675 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:45,923 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:36:45,923 INFO  L93              Difference]: Finished difference Result 43104 states and 117858 transitions.
[2022-02-15 11:36:45,923 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-02-15 11:36:45,923 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:36:45,924 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:36:45,991 INFO  L225             Difference]: With dead ends: 43104
[2022-02-15 11:36:45,991 INFO  L226             Difference]: Without dead ends: 43104
[2022-02-15 11:36:45,992 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 821 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=627, Invalid=4343, Unknown=0, NotChecked=0, Total=4970
[2022-02-15 11:36:45,992 INFO  L933         BasicCegarLoop]: 1079 mSDtfsCounter, 1926 mSDsluCounter, 22998 mSDsCounter, 0 mSdLazyCounter, 5245 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1926 SdHoareTripleChecker+Valid, 23684 SdHoareTripleChecker+Invalid, 5264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:36:45,992 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1926 Valid, 23684 Invalid, 5264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5245 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:36:46,049 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 43104 states.
[2022-02-15 11:36:46,382 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 43104 to 23807.
[2022-02-15 11:36:46,409 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23807 states, 23806 states have (on average 2.7527094009913466) internal successors, (65531), 23806 states have internal predecessors, (65531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:46,454 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23807 states to 23807 states and 65531 transitions.
[2022-02-15 11:36:46,454 INFO  L78                 Accepts]: Start accepts. Automaton has 23807 states and 65531 transitions. Word has length 199
[2022-02-15 11:36:46,454 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:36:46,454 INFO  L470      AbstractCegarLoop]: Abstraction has 23807 states and 65531 transitions.
[2022-02-15 11:36:46,454 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:46,454 INFO  L276                IsEmpty]: Start isEmpty. Operand 23807 states and 65531 transitions.
[2022-02-15 11:36:46,481 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:36:46,481 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:36:46,482 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:36:46,482 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196
[2022-02-15 11:36:46,482 INFO  L402      AbstractCegarLoop]: === Iteration 198 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:36:46,482 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:36:46,482 INFO  L85        PathProgramCache]: Analyzing trace with hash -539276355, now seen corresponding path program 174 times
[2022-02-15 11:36:46,482 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:36:46,482 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245617497]
[2022-02-15 11:36:46,482 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:36:46,482 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:36:46,490 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:36:46,760 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:36:46,760 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:36:46,760 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245617497]
[2022-02-15 11:36:46,760 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245617497] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:36:46,760 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:36:46,760 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:36:46,760 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697316456]
[2022-02-15 11:36:46,760 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:36:46,760 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:36:46,760 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:36:46,761 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:36:46,761 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:36:46,761 INFO  L87              Difference]: Start difference. First operand 23807 states and 65531 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:49,779 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:36:49,780 INFO  L93              Difference]: Finished difference Result 47530 states and 129718 transitions.
[2022-02-15 11:36:49,780 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. 
[2022-02-15 11:36:49,780 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:36:49,780 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:36:49,858 INFO  L225             Difference]: With dead ends: 47530
[2022-02-15 11:36:49,858 INFO  L226             Difference]: Without dead ends: 47530
[2022-02-15 11:36:49,859 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1150 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=761, Invalid=5401, Unknown=0, NotChecked=0, Total=6162
[2022-02-15 11:36:49,859 INFO  L933         BasicCegarLoop]: 1120 mSDtfsCounter, 2279 mSDsluCounter, 24102 mSDsCounter, 0 mSdLazyCounter, 5669 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2279 SdHoareTripleChecker+Valid, 24785 SdHoareTripleChecker+Invalid, 5692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2022-02-15 11:36:49,859 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2279 Valid, 24785 Invalid, 5692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5669 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2022-02-15 11:36:49,919 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 47530 states.
[2022-02-15 11:36:50,307 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 47530 to 23919.
[2022-02-15 11:36:50,333 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23919 states, 23918 states have (on average 2.75453633246927) internal successors, (65883), 23918 states have internal predecessors, (65883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:50,377 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23919 states to 23919 states and 65883 transitions.
[2022-02-15 11:36:50,377 INFO  L78                 Accepts]: Start accepts. Automaton has 23919 states and 65883 transitions. Word has length 199
[2022-02-15 11:36:50,377 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:36:50,377 INFO  L470      AbstractCegarLoop]: Abstraction has 23919 states and 65883 transitions.
[2022-02-15 11:36:50,377 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:50,377 INFO  L276                IsEmpty]: Start isEmpty. Operand 23919 states and 65883 transitions.
[2022-02-15 11:36:50,405 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:36:50,405 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:36:50,405 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:36:50,405 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197
[2022-02-15 11:36:50,405 INFO  L402      AbstractCegarLoop]: === Iteration 199 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:36:50,405 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:36:50,405 INFO  L85        PathProgramCache]: Analyzing trace with hash 1733892899, now seen corresponding path program 175 times
[2022-02-15 11:36:50,405 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:36:50,405 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381088106]
[2022-02-15 11:36:50,406 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:36:50,406 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:36:50,413 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:36:50,682 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:36:50,682 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:36:50,682 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381088106]
[2022-02-15 11:36:50,682 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381088106] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:36:50,682 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:36:50,682 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:36:50,682 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952712031]
[2022-02-15 11:36:50,682 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:36:50,683 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:36:50,683 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:36:50,683 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:36:50,683 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:36:50,683 INFO  L87              Difference]: Start difference. First operand 23919 states and 65883 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:53,633 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:36:53,633 INFO  L93              Difference]: Finished difference Result 46261 states and 126611 transitions.
[2022-02-15 11:36:53,633 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. 
[2022-02-15 11:36:53,634 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:36:53,634 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:36:53,714 INFO  L225             Difference]: With dead ends: 46261
[2022-02-15 11:36:53,714 INFO  L226             Difference]: Without dead ends: 46261
[2022-02-15 11:36:53,715 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1171 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=741, Invalid=5421, Unknown=0, NotChecked=0, Total=6162
[2022-02-15 11:36:53,715 INFO  L933         BasicCegarLoop]: 1123 mSDtfsCounter, 2287 mSDsluCounter, 23818 mSDsCounter, 0 mSdLazyCounter, 5415 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2287 SdHoareTripleChecker+Valid, 24635 SdHoareTripleChecker+Invalid, 5438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:36:53,715 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2287 Valid, 24635 Invalid, 5438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5415 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:36:53,776 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 46261 states.
[2022-02-15 11:36:54,157 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 46261 to 23855.
[2022-02-15 11:36:54,185 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23855 states, 23854 states have (on average 2.753207009306615) internal successors, (65675), 23854 states have internal predecessors, (65675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:54,231 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23855 states to 23855 states and 65675 transitions.
[2022-02-15 11:36:54,231 INFO  L78                 Accepts]: Start accepts. Automaton has 23855 states and 65675 transitions. Word has length 199
[2022-02-15 11:36:54,231 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:36:54,232 INFO  L470      AbstractCegarLoop]: Abstraction has 23855 states and 65675 transitions.
[2022-02-15 11:36:54,232 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:54,232 INFO  L276                IsEmpty]: Start isEmpty. Operand 23855 states and 65675 transitions.
[2022-02-15 11:36:54,261 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:36:54,262 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:36:54,262 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:36:54,262 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198
[2022-02-15 11:36:54,262 INFO  L402      AbstractCegarLoop]: === Iteration 200 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:36:54,262 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:36:54,262 INFO  L85        PathProgramCache]: Analyzing trace with hash 2083346783, now seen corresponding path program 176 times
[2022-02-15 11:36:54,262 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:36:54,262 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531903171]
[2022-02-15 11:36:54,262 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:36:54,263 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:36:54,270 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:36:54,561 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:36:54,561 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:36:54,561 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531903171]
[2022-02-15 11:36:54,561 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531903171] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:36:54,561 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:36:54,561 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:36:54,562 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468033999]
[2022-02-15 11:36:54,562 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:36:54,562 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:36:54,562 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:36:54,562 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:36:54,562 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:36:54,562 INFO  L87              Difference]: Start difference. First operand 23855 states and 65675 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:57,313 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:36:57,314 INFO  L93              Difference]: Finished difference Result 42273 states and 115926 transitions.
[2022-02-15 11:36:57,314 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-02-15 11:36:57,314 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:36:57,314 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:36:57,385 INFO  L225             Difference]: With dead ends: 42273
[2022-02-15 11:36:57,386 INFO  L226             Difference]: Without dead ends: 42273
[2022-02-15 11:36:57,386 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 873 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=622, Invalid=4490, Unknown=0, NotChecked=0, Total=5112
[2022-02-15 11:36:57,387 INFO  L933         BasicCegarLoop]: 1067 mSDtfsCounter, 1912 mSDsluCounter, 22513 mSDsCounter, 0 mSdLazyCounter, 5230 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1912 SdHoareTripleChecker+Valid, 23303 SdHoareTripleChecker+Invalid, 5249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:36:57,387 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1912 Valid, 23303 Invalid, 5249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5230 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:36:57,446 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42273 states.
[2022-02-15 11:36:57,807 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42273 to 23771.
[2022-02-15 11:36:57,834 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23771 states, 23770 states have (on average 2.7527135044173328) internal successors, (65432), 23770 states have internal predecessors, (65432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:57,877 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23771 states to 23771 states and 65432 transitions.
[2022-02-15 11:36:57,877 INFO  L78                 Accepts]: Start accepts. Automaton has 23771 states and 65432 transitions. Word has length 199
[2022-02-15 11:36:57,878 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:36:57,878 INFO  L470      AbstractCegarLoop]: Abstraction has 23771 states and 65432 transitions.
[2022-02-15 11:36:57,878 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:36:57,878 INFO  L276                IsEmpty]: Start isEmpty. Operand 23771 states and 65432 transitions.
[2022-02-15 11:36:57,905 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:36:57,905 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:36:57,905 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:36:57,905 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199
[2022-02-15 11:36:57,906 INFO  L402      AbstractCegarLoop]: === Iteration 201 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:36:57,906 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:36:57,906 INFO  L85        PathProgramCache]: Analyzing trace with hash -2118218813, now seen corresponding path program 177 times
[2022-02-15 11:36:57,906 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:36:57,906 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439234844]
[2022-02-15 11:36:57,906 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:36:57,906 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:36:57,914 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:36:58,184 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:36:58,185 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:36:58,185 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439234844]
[2022-02-15 11:36:58,185 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439234844] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:36:58,185 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:36:58,185 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:36:58,185 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950808904]
[2022-02-15 11:36:58,185 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:36:58,185 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:36:58,185 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:36:58,185 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:36:58,185 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:36:58,186 INFO  L87              Difference]: Start difference. First operand 23771 states and 65432 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:01,486 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:37:01,487 INFO  L93              Difference]: Finished difference Result 51536 states and 140476 transitions.
[2022-02-15 11:37:01,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2022-02-15 11:37:01,487 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:37:01,487 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:37:01,585 INFO  L225             Difference]: With dead ends: 51536
[2022-02-15 11:37:01,585 INFO  L226             Difference]: Without dead ends: 51536
[2022-02-15 11:37:01,586 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1276 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=840, Invalid=5802, Unknown=0, NotChecked=0, Total=6642
[2022-02-15 11:37:01,586 INFO  L933         BasicCegarLoop]: 1181 mSDtfsCounter, 2409 mSDsluCounter, 25395 mSDsCounter, 0 mSdLazyCounter, 5903 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2409 SdHoareTripleChecker+Valid, 26098 SdHoareTripleChecker+Invalid, 5926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2022-02-15 11:37:01,586 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2409 Valid, 26098 Invalid, 5926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5903 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2022-02-15 11:37:01,656 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 51536 states.
[2022-02-15 11:37:02,170 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 51536 to 23899.
[2022-02-15 11:37:02,198 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23899 states, 23898 states have (on average 2.7547075069043436) internal successors, (65832), 23898 states have internal predecessors, (65832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:02,243 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23899 states to 23899 states and 65832 transitions.
[2022-02-15 11:37:02,243 INFO  L78                 Accepts]: Start accepts. Automaton has 23899 states and 65832 transitions. Word has length 199
[2022-02-15 11:37:02,244 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:37:02,244 INFO  L470      AbstractCegarLoop]: Abstraction has 23899 states and 65832 transitions.
[2022-02-15 11:37:02,244 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:02,244 INFO  L276                IsEmpty]: Start isEmpty. Operand 23899 states and 65832 transitions.
[2022-02-15 11:37:02,273 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:37:02,273 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:37:02,273 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:37:02,273 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200
[2022-02-15 11:37:02,273 INFO  L402      AbstractCegarLoop]: === Iteration 202 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:37:02,274 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:37:02,274 INFO  L85        PathProgramCache]: Analyzing trace with hash 154950441, now seen corresponding path program 178 times
[2022-02-15 11:37:02,274 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:37:02,274 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662689415]
[2022-02-15 11:37:02,274 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:37:02,274 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:37:02,282 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:37:02,549 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:37:02,550 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:37:02,550 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662689415]
[2022-02-15 11:37:02,550 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662689415] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:37:02,550 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:37:02,550 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:37:02,550 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394251330]
[2022-02-15 11:37:02,550 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:37:02,550 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:37:02,550 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:37:02,550 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:37:02,551 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:37:02,551 INFO  L87              Difference]: Start difference. First operand 23899 states and 65832 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:05,712 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:37:05,712 INFO  L93              Difference]: Finished difference Result 50096 states and 136931 transitions.
[2022-02-15 11:37:05,712 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. 
[2022-02-15 11:37:05,712 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:37:05,712 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:37:05,806 INFO  L225             Difference]: With dead ends: 50096
[2022-02-15 11:37:05,806 INFO  L226             Difference]: Without dead ends: 50096
[2022-02-15 11:37:05,807 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1353 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=836, Invalid=5970, Unknown=0, NotChecked=0, Total=6806
[2022-02-15 11:37:05,808 INFO  L933         BasicCegarLoop]: 1197 mSDtfsCounter, 2397 mSDsluCounter, 25288 mSDsCounter, 0 mSdLazyCounter, 5598 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2397 SdHoareTripleChecker+Valid, 26137 SdHoareTripleChecker+Invalid, 5621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:37:05,808 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2397 Valid, 26137 Invalid, 5621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5598 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:37:05,874 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 50096 states.
[2022-02-15 11:37:06,271 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 50096 to 23835.
[2022-02-15 11:37:06,299 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23835 states, 23834 states have (on average 2.7533775279013173) internal successors, (65624), 23834 states have internal predecessors, (65624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:06,343 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23835 states to 23835 states and 65624 transitions.
[2022-02-15 11:37:06,344 INFO  L78                 Accepts]: Start accepts. Automaton has 23835 states and 65624 transitions. Word has length 199
[2022-02-15 11:37:06,344 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:37:06,344 INFO  L470      AbstractCegarLoop]: Abstraction has 23835 states and 65624 transitions.
[2022-02-15 11:37:06,344 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:06,344 INFO  L276                IsEmpty]: Start isEmpty. Operand 23835 states and 65624 transitions.
[2022-02-15 11:37:06,371 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:37:06,371 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:37:06,371 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:37:06,371 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201
[2022-02-15 11:37:06,371 INFO  L402      AbstractCegarLoop]: === Iteration 203 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:37:06,372 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:37:06,372 INFO  L85        PathProgramCache]: Analyzing trace with hash 504404325, now seen corresponding path program 179 times
[2022-02-15 11:37:06,372 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:37:06,372 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170285948]
[2022-02-15 11:37:06,372 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:37:06,372 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:37:06,379 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:37:06,656 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:37:06,656 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:37:06,656 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170285948]
[2022-02-15 11:37:06,656 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170285948] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:37:06,656 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:37:06,656 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:37:06,657 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634664525]
[2022-02-15 11:37:06,657 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:37:06,657 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:37:06,657 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:37:06,657 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:37:06,657 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:37:06,657 INFO  L87              Difference]: Start difference. First operand 23835 states and 65624 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:09,538 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:37:09,538 INFO  L93              Difference]: Finished difference Result 45537 states and 124802 transitions.
[2022-02-15 11:37:09,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-15 11:37:09,539 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:37:09,539 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:37:09,615 INFO  L225             Difference]: With dead ends: 45537
[2022-02-15 11:37:09,615 INFO  L226             Difference]: Without dead ends: 45537
[2022-02-15 11:37:09,616 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 988 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=683, Invalid=4867, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:37:09,616 INFO  L933         BasicCegarLoop]: 1142 mSDtfsCounter, 2107 mSDsluCounter, 23929 mSDsCounter, 0 mSdLazyCounter, 5424 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2107 SdHoareTripleChecker+Valid, 24757 SdHoareTripleChecker+Invalid, 5443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:37:09,616 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2107 Valid, 24757 Invalid, 5443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5424 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:37:09,684 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 45537 states.
[2022-02-15 11:37:10,089 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 45537 to 23787.
[2022-02-15 11:37:10,117 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23787 states, 23786 states have (on average 2.752879845287144) internal successors, (65480), 23786 states have internal predecessors, (65480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:10,159 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23787 states to 23787 states and 65480 transitions.
[2022-02-15 11:37:10,160 INFO  L78                 Accepts]: Start accepts. Automaton has 23787 states and 65480 transitions. Word has length 199
[2022-02-15 11:37:10,160 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:37:10,160 INFO  L470      AbstractCegarLoop]: Abstraction has 23787 states and 65480 transitions.
[2022-02-15 11:37:10,160 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:10,160 INFO  L276                IsEmpty]: Start isEmpty. Operand 23787 states and 65480 transitions.
[2022-02-15 11:37:10,187 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:37:10,187 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:37:10,187 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:37:10,188 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202
[2022-02-15 11:37:10,188 INFO  L402      AbstractCegarLoop]: === Iteration 204 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:37:10,188 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:37:10,188 INFO  L85        PathProgramCache]: Analyzing trace with hash 1506776305, now seen corresponding path program 180 times
[2022-02-15 11:37:10,188 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:37:10,188 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306780565]
[2022-02-15 11:37:10,188 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:37:10,188 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:37:10,196 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:37:10,465 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:37:10,465 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:37:10,465 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306780565]
[2022-02-15 11:37:10,465 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306780565] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:37:10,465 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:37:10,465 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:37:10,465 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981217500]
[2022-02-15 11:37:10,465 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:37:10,465 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:37:10,466 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:37:10,466 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:37:10,466 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:37:10,466 INFO  L87              Difference]: Start difference. First operand 23787 states and 65480 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:13,317 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:37:13,317 INFO  L93              Difference]: Finished difference Result 46271 states and 126496 transitions.
[2022-02-15 11:37:13,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-15 11:37:13,317 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:37:13,318 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:37:13,401 INFO  L225             Difference]: With dead ends: 46271
[2022-02-15 11:37:13,401 INFO  L226             Difference]: Without dead ends: 46271
[2022-02-15 11:37:13,402 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=683, Invalid=4867, Unknown=0, NotChecked=0, Total=5550
[2022-02-15 11:37:13,402 INFO  L933         BasicCegarLoop]: 1171 mSDtfsCounter, 2057 mSDsluCounter, 24545 mSDsCounter, 0 mSdLazyCounter, 5360 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2057 SdHoareTripleChecker+Valid, 25380 SdHoareTripleChecker+Invalid, 5379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:37:13,402 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2057 Valid, 25380 Invalid, 5379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5360 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:37:13,468 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 46271 states.
[2022-02-15 11:37:13,839 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 46271 to 23603.
[2022-02-15 11:37:13,866 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23603 states, 23602 states have (on average 2.7527328192526057) internal successors, (64970), 23602 states have internal predecessors, (64970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:13,909 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23603 states to 23603 states and 64970 transitions.
[2022-02-15 11:37:13,909 INFO  L78                 Accepts]: Start accepts. Automaton has 23603 states and 64970 transitions. Word has length 199
[2022-02-15 11:37:13,909 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:37:13,909 INFO  L470      AbstractCegarLoop]: Abstraction has 23603 states and 64970 transitions.
[2022-02-15 11:37:13,909 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:13,909 INFO  L276                IsEmpty]: Start isEmpty. Operand 23603 states and 64970 transitions.
[2022-02-15 11:37:13,936 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:37:13,936 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:37:13,937 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:37:13,937 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203
[2022-02-15 11:37:13,937 INFO  L402      AbstractCegarLoop]: === Iteration 205 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:37:13,937 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:37:13,937 INFO  L85        PathProgramCache]: Analyzing trace with hash -250192785, now seen corresponding path program 181 times
[2022-02-15 11:37:13,937 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:37:13,937 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506557839]
[2022-02-15 11:37:13,937 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:37:13,937 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:37:13,945 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:37:14,216 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:37:14,216 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:37:14,216 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506557839]
[2022-02-15 11:37:14,216 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506557839] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:37:14,216 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:37:14,216 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:37:14,217 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946107701]
[2022-02-15 11:37:14,217 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:37:14,217 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:37:14,217 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:37:14,217 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:37:14,217 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:37:14,217 INFO  L87              Difference]: Start difference. First operand 23603 states and 64970 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:17,430 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:37:17,430 INFO  L93              Difference]: Finished difference Result 51221 states and 139759 transitions.
[2022-02-15 11:37:17,431 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2022-02-15 11:37:17,431 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:37:17,431 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:37:17,535 INFO  L225             Difference]: With dead ends: 51221
[2022-02-15 11:37:17,535 INFO  L226             Difference]: Without dead ends: 51221
[2022-02-15 11:37:17,536 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1227 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=819, Invalid=5661, Unknown=0, NotChecked=0, Total=6480
[2022-02-15 11:37:17,536 INFO  L933         BasicCegarLoop]: 1139 mSDtfsCounter, 2566 mSDsluCounter, 24547 mSDsCounter, 0 mSdLazyCounter, 5679 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2566 SdHoareTripleChecker+Valid, 25211 SdHoareTripleChecker+Invalid, 5702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2022-02-15 11:37:17,536 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2566 Valid, 25211 Invalid, 5702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5679 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2022-02-15 11:37:17,605 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 51221 states.
[2022-02-15 11:37:18,353 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 51221 to 23767.
[2022-02-15 11:37:18,380 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23767 states, 23766 states have (on average 2.754565345451485) internal successors, (65465), 23766 states have internal predecessors, (65465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:18,424 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23767 states to 23767 states and 65465 transitions.
[2022-02-15 11:37:18,424 INFO  L78                 Accepts]: Start accepts. Automaton has 23767 states and 65465 transitions. Word has length 199
[2022-02-15 11:37:18,424 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:37:18,424 INFO  L470      AbstractCegarLoop]: Abstraction has 23767 states and 65465 transitions.
[2022-02-15 11:37:18,424 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:18,424 INFO  L276                IsEmpty]: Start isEmpty. Operand 23767 states and 65465 transitions.
[2022-02-15 11:37:18,452 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:37:18,452 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:37:18,452 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:37:18,452 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204
[2022-02-15 11:37:18,452 INFO  L402      AbstractCegarLoop]: === Iteration 206 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:37:18,453 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:37:18,453 INFO  L85        PathProgramCache]: Analyzing trace with hash 2022976469, now seen corresponding path program 182 times
[2022-02-15 11:37:18,453 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:37:18,453 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615664181]
[2022-02-15 11:37:18,453 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:37:18,453 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:37:18,461 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:37:18,744 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:37:18,744 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:37:18,744 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615664181]
[2022-02-15 11:37:18,744 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615664181] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:37:18,744 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:37:18,744 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:37:18,745 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358182120]
[2022-02-15 11:37:18,745 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:37:18,745 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:37:18,745 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:37:18,745 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:37:18,745 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:37:18,745 INFO  L87              Difference]: Start difference. First operand 23767 states and 65465 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:21,722 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:37:21,722 INFO  L93              Difference]: Finished difference Result 50018 states and 136827 transitions.
[2022-02-15 11:37:21,722 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-15 11:37:21,722 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:37:21,723 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:37:21,818 INFO  L225             Difference]: With dead ends: 50018
[2022-02-15 11:37:21,818 INFO  L226             Difference]: Without dead ends: 50018
[2022-02-15 11:37:21,819 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1214 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=773, Invalid=5547, Unknown=0, NotChecked=0, Total=6320
[2022-02-15 11:37:21,819 INFO  L933         BasicCegarLoop]: 1077 mSDtfsCounter, 2486 mSDsluCounter, 23062 mSDsCounter, 0 mSdLazyCounter, 5354 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2486 SdHoareTripleChecker+Valid, 23861 SdHoareTripleChecker+Invalid, 5377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:37:21,819 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2486 Valid, 23861 Invalid, 5377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5354 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:37:21,885 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 50018 states.
[2022-02-15 11:37:22,765 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 50018 to 23703.
[2022-02-15 11:37:22,791 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23703 states, 23702 states have (on average 2.753227575732006) internal successors, (65257), 23702 states have internal predecessors, (65257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:22,834 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23703 states to 23703 states and 65257 transitions.
[2022-02-15 11:37:22,834 INFO  L78                 Accepts]: Start accepts. Automaton has 23703 states and 65257 transitions. Word has length 199
[2022-02-15 11:37:22,835 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:37:22,835 INFO  L470      AbstractCegarLoop]: Abstraction has 23703 states and 65257 transitions.
[2022-02-15 11:37:22,835 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:22,835 INFO  L276                IsEmpty]: Start isEmpty. Operand 23703 states and 65257 transitions.
[2022-02-15 11:37:22,862 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:37:22,862 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:37:22,862 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:37:22,862 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205
[2022-02-15 11:37:22,862 INFO  L402      AbstractCegarLoop]: === Iteration 207 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:37:22,862 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:37:22,863 INFO  L85        PathProgramCache]: Analyzing trace with hash 1645779245, now seen corresponding path program 183 times
[2022-02-15 11:37:22,863 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:37:22,863 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314899775]
[2022-02-15 11:37:22,863 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:37:22,863 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:37:22,870 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:37:23,139 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:37:23,139 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:37:23,139 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314899775]
[2022-02-15 11:37:23,139 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314899775] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:37:23,139 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:37:23,139 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:37:23,140 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420352638]
[2022-02-15 11:37:23,140 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:37:23,140 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:37:23,140 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:37:23,140 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:37:23,140 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:37:23,140 INFO  L87              Difference]: Start difference. First operand 23703 states and 65257 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:26,016 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:37:26,017 INFO  L93              Difference]: Finished difference Result 46716 states and 127772 transitions.
[2022-02-15 11:37:26,017 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2022-02-15 11:37:26,017 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:37:26,017 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:37:26,100 INFO  L225             Difference]: With dead ends: 46716
[2022-02-15 11:37:26,100 INFO  L226             Difference]: Without dead ends: 46716
[2022-02-15 11:37:26,101 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 890 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=663, Invalid=4593, Unknown=0, NotChecked=0, Total=5256
[2022-02-15 11:37:26,101 INFO  L933         BasicCegarLoop]: 1133 mSDtfsCounter, 2059 mSDsluCounter, 24054 mSDsCounter, 0 mSdLazyCounter, 5434 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2059 SdHoareTripleChecker+Valid, 24722 SdHoareTripleChecker+Invalid, 5453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:37:26,101 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2059 Valid, 24722 Invalid, 5453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5434 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:37:26,162 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 46716 states.
[2022-02-15 11:37:26,696 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 46716 to 23655.
[2022-02-15 11:37:26,723 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23655 states, 23654 states have (on average 2.7527268115329333) internal successors, (65113), 23654 states have internal predecessors, (65113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:26,766 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23655 states to 23655 states and 65113 transitions.
[2022-02-15 11:37:26,767 INFO  L78                 Accepts]: Start accepts. Automaton has 23655 states and 65113 transitions. Word has length 199
[2022-02-15 11:37:26,767 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:37:26,767 INFO  L470      AbstractCegarLoop]: Abstraction has 23655 states and 65113 transitions.
[2022-02-15 11:37:26,767 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:26,767 INFO  L276                IsEmpty]: Start isEmpty. Operand 23655 states and 65113 transitions.
[2022-02-15 11:37:26,795 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:37:26,795 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:37:26,795 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:37:26,795 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206
[2022-02-15 11:37:26,795 INFO  L402      AbstractCegarLoop]: === Iteration 208 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:37:26,796 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:37:26,796 INFO  L85        PathProgramCache]: Analyzing trace with hash 2008485933, now seen corresponding path program 184 times
[2022-02-15 11:37:26,796 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:37:26,796 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861005710]
[2022-02-15 11:37:26,796 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:37:26,796 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:37:26,804 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:37:27,076 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:37:27,076 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:37:27,077 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861005710]
[2022-02-15 11:37:27,077 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861005710] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:37:27,077 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:37:27,077 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:37:27,077 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679579703]
[2022-02-15 11:37:27,077 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:37:27,077 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:37:27,077 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:37:27,077 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:37:27,077 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:37:27,078 INFO  L87              Difference]: Start difference. First operand 23655 states and 65113 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:30,390 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:37:30,390 INFO  L93              Difference]: Finished difference Result 51409 states and 140242 transitions.
[2022-02-15 11:37:30,390 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2022-02-15 11:37:30,391 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:37:30,391 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:37:30,492 INFO  L225             Difference]: With dead ends: 51409
[2022-02-15 11:37:30,492 INFO  L226             Difference]: Without dead ends: 51409
[2022-02-15 11:37:30,492 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1173 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=804, Invalid=5516, Unknown=0, NotChecked=0, Total=6320
[2022-02-15 11:37:30,493 INFO  L933         BasicCegarLoop]: 1158 mSDtfsCounter, 2410 mSDsluCounter, 24884 mSDsCounter, 0 mSdLazyCounter, 5743 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2410 SdHoareTripleChecker+Valid, 25533 SdHoareTripleChecker+Invalid, 5766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2022-02-15 11:37:30,493 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2410 Valid, 25533 Invalid, 5766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5743 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2022-02-15 11:37:30,567 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 51409 states.
[2022-02-15 11:37:31,027 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 51409 to 23767.
[2022-02-15 11:37:31,055 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23767 states, 23766 states have (on average 2.754565345451485) internal successors, (65465), 23766 states have internal predecessors, (65465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:31,104 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23767 states to 23767 states and 65465 transitions.
[2022-02-15 11:37:31,104 INFO  L78                 Accepts]: Start accepts. Automaton has 23767 states and 65465 transitions. Word has length 199
[2022-02-15 11:37:31,104 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:37:31,104 INFO  L470      AbstractCegarLoop]: Abstraction has 23767 states and 65465 transitions.
[2022-02-15 11:37:31,104 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:31,104 INFO  L276                IsEmpty]: Start isEmpty. Operand 23767 states and 65465 transitions.
[2022-02-15 11:37:31,136 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:37:31,136 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:37:31,136 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:37:31,136 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207
[2022-02-15 11:37:31,136 INFO  L402      AbstractCegarLoop]: === Iteration 209 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:37:31,136 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:37:31,136 INFO  L85        PathProgramCache]: Analyzing trace with hash -13312109, now seen corresponding path program 185 times
[2022-02-15 11:37:31,136 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:37:31,136 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763549328]
[2022-02-15 11:37:31,136 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:37:31,137 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:37:31,153 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:37:31,426 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:37:31,426 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:37:31,426 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763549328]
[2022-02-15 11:37:31,426 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763549328] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:37:31,426 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:37:31,426 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:37:31,427 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322560348]
[2022-02-15 11:37:31,427 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:37:31,427 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:37:31,427 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:37:31,427 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:37:31,427 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:37:31,427 INFO  L87              Difference]: Start difference. First operand 23767 states and 65465 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:34,514 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:37:34,515 INFO  L93              Difference]: Finished difference Result 49922 states and 136574 transitions.
[2022-02-15 11:37:34,515 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2022-02-15 11:37:34,515 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:37:34,515 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:37:34,611 INFO  L225             Difference]: With dead ends: 49922
[2022-02-15 11:37:34,611 INFO  L226             Difference]: Without dead ends: 49922
[2022-02-15 11:37:34,612 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=715, Invalid=5137, Unknown=0, NotChecked=0, Total=5852
[2022-02-15 11:37:34,612 INFO  L933         BasicCegarLoop]: 1123 mSDtfsCounter, 2423 mSDsluCounter, 23886 mSDsCounter, 0 mSdLazyCounter, 5375 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2423 SdHoareTripleChecker+Valid, 24664 SdHoareTripleChecker+Invalid, 5398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:37:34,612 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2423 Valid, 24664 Invalid, 5398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5375 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:37:34,683 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 49922 states.
[2022-02-15 11:37:35,289 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 49922 to 23703.
[2022-02-15 11:37:35,313 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23703 states, 23702 states have (on average 2.753227575732006) internal successors, (65257), 23702 states have internal predecessors, (65257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:35,356 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23703 states to 23703 states and 65257 transitions.
[2022-02-15 11:37:35,357 INFO  L78                 Accepts]: Start accepts. Automaton has 23703 states and 65257 transitions. Word has length 199
[2022-02-15 11:37:35,357 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:37:35,357 INFO  L470      AbstractCegarLoop]: Abstraction has 23703 states and 65257 transitions.
[2022-02-15 11:37:35,357 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:35,357 INFO  L276                IsEmpty]: Start isEmpty. Operand 23703 states and 65257 transitions.
[2022-02-15 11:37:35,384 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:37:35,385 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:37:35,385 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:37:35,385 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208
[2022-02-15 11:37:35,385 INFO  L402      AbstractCegarLoop]: === Iteration 210 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:37:35,385 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:37:35,385 INFO  L85        PathProgramCache]: Analyzing trace with hash 336141775, now seen corresponding path program 186 times
[2022-02-15 11:37:35,385 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:37:35,385 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115141002]
[2022-02-15 11:37:35,385 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:37:35,386 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:37:35,397 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:37:35,663 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:37:35,663 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:37:35,663 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115141002]
[2022-02-15 11:37:35,663 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115141002] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:37:35,663 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:37:35,663 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:37:35,664 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886473451]
[2022-02-15 11:37:35,664 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:37:35,664 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:37:35,664 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:37:35,664 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:37:35,664 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:37:35,664 INFO  L87              Difference]: Start difference. First operand 23703 states and 65257 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:38,396 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:37:38,396 INFO  L93              Difference]: Finished difference Result 45248 states and 124119 transitions.
[2022-02-15 11:37:38,396 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-02-15 11:37:38,396 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:37:38,396 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:37:38,475 INFO  L225             Difference]: With dead ends: 45248
[2022-02-15 11:37:38,475 INFO  L226             Difference]: Without dead ends: 45248
[2022-02-15 11:37:38,476 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 832 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=616, Invalid=4354, Unknown=0, NotChecked=0, Total=4970
[2022-02-15 11:37:38,476 INFO  L933         BasicCegarLoop]: 1070 mSDtfsCounter, 2051 mSDsluCounter, 22584 mSDsCounter, 0 mSdLazyCounter, 5191 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2051 SdHoareTripleChecker+Valid, 23341 SdHoareTripleChecker+Invalid, 5210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2022-02-15 11:37:38,476 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2051 Valid, 23341 Invalid, 5210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5191 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2022-02-15 11:37:38,534 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 45248 states.
[2022-02-15 11:37:39,054 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 45248 to 23619.
[2022-02-15 11:37:39,082 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23619 states, 23618 states have (on average 2.7527309679058347) internal successors, (65014), 23618 states have internal predecessors, (65014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:39,130 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23619 states to 23619 states and 65014 transitions.
[2022-02-15 11:37:39,130 INFO  L78                 Accepts]: Start accepts. Automaton has 23619 states and 65014 transitions. Word has length 199
[2022-02-15 11:37:39,131 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:37:39,131 INFO  L470      AbstractCegarLoop]: Abstraction has 23619 states and 65014 transitions.
[2022-02-15 11:37:39,131 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:39,131 INFO  L276                IsEmpty]: Start isEmpty. Operand 23619 states and 65014 transitions.
[2022-02-15 11:37:39,162 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:37:39,162 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:37:39,162 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:37:39,162 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209
[2022-02-15 11:37:39,162 INFO  L402      AbstractCegarLoop]: === Iteration 211 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:37:39,163 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:37:39,163 INFO  L85        PathProgramCache]: Analyzing trace with hash -1210751217, now seen corresponding path program 187 times
[2022-02-15 11:37:39,163 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:37:39,163 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851991413]
[2022-02-15 11:37:39,163 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:37:39,163 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:37:39,171 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:37:39,515 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:37:39,515 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:37:39,515 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851991413]
[2022-02-15 11:37:39,515 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851991413] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:37:39,515 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:37:39,515 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:37:39,515 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469501196]
[2022-02-15 11:37:39,516 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:37:39,516 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:37:39,516 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:37:39,516 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:37:39,516 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:37:39,516 INFO  L87              Difference]: Start difference. First operand 23619 states and 65014 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:42,825 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:37:42,825 INFO  L93              Difference]: Finished difference Result 51081 states and 139370 transitions.
[2022-02-15 11:37:42,825 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2022-02-15 11:37:42,825 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:37:42,826 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:37:42,928 INFO  L225             Difference]: With dead ends: 51081
[2022-02-15 11:37:42,928 INFO  L226             Difference]: Without dead ends: 51081
[2022-02-15 11:37:42,929 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1355 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=905, Invalid=6067, Unknown=0, NotChecked=0, Total=6972
[2022-02-15 11:37:42,929 INFO  L933         BasicCegarLoop]: 1171 mSDtfsCounter, 2700 mSDsluCounter, 25248 mSDsCounter, 0 mSdLazyCounter, 5689 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2700 SdHoareTripleChecker+Valid, 25905 SdHoareTripleChecker+Invalid, 5712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2022-02-15 11:37:42,929 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2700 Valid, 25905 Invalid, 5712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5689 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2022-02-15 11:37:43,001 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 51081 states.
[2022-02-15 11:37:43,519 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 51081 to 23747.
[2022-02-15 11:37:43,547 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23747 states, 23746 states have (on average 2.754737640023583) internal successors, (65414), 23746 states have internal predecessors, (65414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:43,593 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23747 states to 23747 states and 65414 transitions.
[2022-02-15 11:37:43,594 INFO  L78                 Accepts]: Start accepts. Automaton has 23747 states and 65414 transitions. Word has length 199
[2022-02-15 11:37:43,594 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:37:43,594 INFO  L470      AbstractCegarLoop]: Abstraction has 23747 states and 65414 transitions.
[2022-02-15 11:37:43,594 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:43,594 INFO  L276                IsEmpty]: Start isEmpty. Operand 23747 states and 65414 transitions.
[2022-02-15 11:37:43,624 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:37:43,624 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:37:43,624 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:37:43,624 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210
[2022-02-15 11:37:43,624 INFO  L402      AbstractCegarLoop]: === Iteration 212 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:37:43,625 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:37:43,625 INFO  L85        PathProgramCache]: Analyzing trace with hash 1062418037, now seen corresponding path program 188 times
[2022-02-15 11:37:43,625 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:37:43,625 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938312125]
[2022-02-15 11:37:43,625 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:37:43,625 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:37:43,633 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:37:43,901 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:37:43,902 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:37:43,902 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938312125]
[2022-02-15 11:37:43,902 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938312125] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:37:43,902 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:37:43,902 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:37:43,902 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910282976]
[2022-02-15 11:37:43,902 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:37:43,902 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:37:43,902 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:37:43,902 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:37:43,902 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:37:43,903 INFO  L87              Difference]: Start difference. First operand 23747 states and 65414 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:47,006 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:37:47,006 INFO  L93              Difference]: Finished difference Result 49834 states and 136321 transitions.
[2022-02-15 11:37:47,006 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2022-02-15 11:37:47,007 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:37:47,007 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:37:47,301 INFO  L225             Difference]: With dead ends: 49834
[2022-02-15 11:37:47,301 INFO  L226             Difference]: Without dead ends: 49834
[2022-02-15 11:37:47,302 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=810, Invalid=5670, Unknown=0, NotChecked=0, Total=6480
[2022-02-15 11:37:47,302 INFO  L933         BasicCegarLoop]: 1095 mSDtfsCounter, 2598 mSDsluCounter, 23507 mSDsCounter, 0 mSdLazyCounter, 5348 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2598 SdHoareTripleChecker+Valid, 24299 SdHoareTripleChecker+Invalid, 5371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:37:47,302 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2598 Valid, 24299 Invalid, 5371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5348 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:37:47,367 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 49834 states.
[2022-02-15 11:37:47,765 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 49834 to 23683.
[2022-02-15 11:37:47,793 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23683 states, 23682 states have (on average 2.753399206148129) internal successors, (65206), 23682 states have internal predecessors, (65206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:47,839 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23683 states to 23683 states and 65206 transitions.
[2022-02-15 11:37:47,839 INFO  L78                 Accepts]: Start accepts. Automaton has 23683 states and 65206 transitions. Word has length 199
[2022-02-15 11:37:47,839 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:37:47,839 INFO  L470      AbstractCegarLoop]: Abstraction has 23683 states and 65206 transitions.
[2022-02-15 11:37:47,839 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:47,839 INFO  L276                IsEmpty]: Start isEmpty. Operand 23683 states and 65206 transitions.
[2022-02-15 11:37:47,868 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:37:47,868 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:37:47,868 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:37:47,868 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211
[2022-02-15 11:37:47,868 INFO  L402      AbstractCegarLoop]: === Iteration 213 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:37:47,869 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:37:47,869 INFO  L85        PathProgramCache]: Analyzing trace with hash 685220813, now seen corresponding path program 189 times
[2022-02-15 11:37:47,869 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:37:47,869 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202931167]
[2022-02-15 11:37:47,869 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:37:47,869 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:37:47,877 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:37:48,151 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:37:48,152 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:37:48,152 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202931167]
[2022-02-15 11:37:48,152 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202931167] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:37:48,152 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:37:48,152 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:37:48,152 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966988726]
[2022-02-15 11:37:48,152 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:37:48,152 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:37:48,152 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:37:48,153 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:37:48,153 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:37:48,153 INFO  L87              Difference]: Start difference. First operand 23683 states and 65206 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:51,295 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:37:51,296 INFO  L93              Difference]: Finished difference Result 46604 states and 127460 transitions.
[2022-02-15 11:37:51,296 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2022-02-15 11:37:51,296 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:37:51,296 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:37:51,380 INFO  L225             Difference]: With dead ends: 46604
[2022-02-15 11:37:51,380 INFO  L226             Difference]: Without dead ends: 46604
[2022-02-15 11:37:51,381 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 998 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=735, Invalid=4965, Unknown=0, NotChecked=0, Total=5700
[2022-02-15 11:37:51,381 INFO  L933         BasicCegarLoop]: 1165 mSDtfsCounter, 2152 mSDsluCounter, 24664 mSDsCounter, 0 mSdLazyCounter, 5450 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2152 SdHoareTripleChecker+Valid, 25329 SdHoareTripleChecker+Invalid, 5469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2022-02-15 11:37:51,381 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2152 Valid, 25329 Invalid, 5469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5450 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2022-02-15 11:37:51,450 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 46604 states.
[2022-02-15 11:37:51,863 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 46604 to 23635.
[2022-02-15 11:37:51,892 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23635 states, 23634 states have (on average 2.752898366759753) internal successors, (65062), 23634 states have internal predecessors, (65062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:51,942 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23635 states to 23635 states and 65062 transitions.
[2022-02-15 11:37:51,942 INFO  L78                 Accepts]: Start accepts. Automaton has 23635 states and 65062 transitions. Word has length 199
[2022-02-15 11:37:51,942 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:37:51,942 INFO  L470      AbstractCegarLoop]: Abstraction has 23635 states and 65062 transitions.
[2022-02-15 11:37:51,942 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:51,943 INFO  L276                IsEmpty]: Start isEmpty. Operand 23635 states and 65062 transitions.
[2022-02-15 11:37:52,069 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:37:52,069 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:37:52,069 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:37:52,070 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212
[2022-02-15 11:37:52,070 INFO  L402      AbstractCegarLoop]: === Iteration 214 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:37:52,070 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:37:52,070 INFO  L85        PathProgramCache]: Analyzing trace with hash 339019003, now seen corresponding path program 190 times
[2022-02-15 11:37:52,070 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:37:52,070 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495252396]
[2022-02-15 11:37:52,070 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:37:52,070 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:37:52,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:37:52,342 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:37:52,342 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:37:52,342 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495252396]
[2022-02-15 11:37:52,342 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495252396] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:37:52,342 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:37:52,342 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:37:52,342 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756831727]
[2022-02-15 11:37:52,343 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:37:52,343 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:37:52,343 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:37:52,343 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:37:52,343 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:37:52,343 INFO  L87              Difference]: Start difference. First operand 23635 states and 65062 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:55,269 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:37:55,269 INFO  L93              Difference]: Finished difference Result 47718 states and 130251 transitions.
[2022-02-15 11:37:55,270 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2022-02-15 11:37:55,270 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:37:55,270 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:37:55,354 INFO  L225             Difference]: With dead ends: 47718
[2022-02-15 11:37:55,354 INFO  L226             Difference]: Without dead ends: 47718
[2022-02-15 11:37:55,355 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 991 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=741, Invalid=4959, Unknown=0, NotChecked=0, Total=5700
[2022-02-15 11:37:55,355 INFO  L933         BasicCegarLoop]: 1188 mSDtfsCounter, 2234 mSDsluCounter, 25183 mSDsCounter, 0 mSdLazyCounter, 5423 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2234 SdHoareTripleChecker+Valid, 25831 SdHoareTripleChecker+Invalid, 5442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:37:55,356 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2234 Valid, 25831 Invalid, 5442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5423 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:37:55,421 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 47718 states.
[2022-02-15 11:37:55,920 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 47718 to 23607.
[2022-02-15 11:37:55,946 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23607 states, 23606 states have (on average 2.752732356180632) internal successors, (64981), 23606 states have internal predecessors, (64981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:55,989 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23607 states to 23607 states and 64981 transitions.
[2022-02-15 11:37:55,989 INFO  L78                 Accepts]: Start accepts. Automaton has 23607 states and 64981 transitions. Word has length 199
[2022-02-15 11:37:55,989 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:37:55,990 INFO  L470      AbstractCegarLoop]: Abstraction has 23607 states and 64981 transitions.
[2022-02-15 11:37:55,990 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:55,990 INFO  L276                IsEmpty]: Start isEmpty. Operand 23607 states and 64981 transitions.
[2022-02-15 11:37:56,016 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:37:56,017 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:37:56,017 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:37:56,017 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213
[2022-02-15 11:37:56,017 INFO  L402      AbstractCegarLoop]: === Iteration 215 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:37:56,017 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:37:56,017 INFO  L85        PathProgramCache]: Analyzing trace with hash 256640781, now seen corresponding path program 191 times
[2022-02-15 11:37:56,018 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:37:56,018 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455669687]
[2022-02-15 11:37:56,018 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:37:56,018 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:37:56,026 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:37:56,291 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:37:56,291 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:37:56,291 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455669687]
[2022-02-15 11:37:56,291 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455669687] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:37:56,291 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:37:56,292 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:37:56,292 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667568805]
[2022-02-15 11:37:56,292 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:37:56,292 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:37:56,292 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:37:56,292 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:37:56,292 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:37:56,292 INFO  L87              Difference]: Start difference. First operand 23607 states and 64981 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:37:59,504 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:37:59,504 INFO  L93              Difference]: Finished difference Result 51613 states and 140801 transitions.
[2022-02-15 11:37:59,504 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2022-02-15 11:37:59,504 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:37:59,505 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:37:59,632 INFO  L225             Difference]: With dead ends: 51613
[2022-02-15 11:37:59,632 INFO  L226             Difference]: Without dead ends: 51613
[2022-02-15 11:37:59,633 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1098 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=755, Invalid=5251, Unknown=0, NotChecked=0, Total=6006
[2022-02-15 11:37:59,633 INFO  L933         BasicCegarLoop]: 1126 mSDtfsCounter, 2536 mSDsluCounter, 24257 mSDsCounter, 0 mSdLazyCounter, 5618 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2536 SdHoareTripleChecker+Valid, 24943 SdHoareTripleChecker+Invalid, 5641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2022-02-15 11:37:59,633 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2536 Valid, 24943 Invalid, 5641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5618 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2022-02-15 11:37:59,710 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 51613 states.
[2022-02-15 11:38:00,131 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 51613 to 23767.
[2022-02-15 11:38:00,159 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23767 states, 23766 states have (on average 2.754565345451485) internal successors, (65465), 23766 states have internal predecessors, (65465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:38:00,205 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23767 states to 23767 states and 65465 transitions.
[2022-02-15 11:38:00,205 INFO  L78                 Accepts]: Start accepts. Automaton has 23767 states and 65465 transitions. Word has length 199
[2022-02-15 11:38:00,205 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:38:00,205 INFO  L470      AbstractCegarLoop]: Abstraction has 23767 states and 65465 transitions.
[2022-02-15 11:38:00,206 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:38:00,206 INFO  L276                IsEmpty]: Start isEmpty. Operand 23767 states and 65465 transitions.
[2022-02-15 11:38:00,235 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:38:00,236 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:38:00,236 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:38:00,236 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214
[2022-02-15 11:38:00,236 INFO  L402      AbstractCegarLoop]: === Iteration 216 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:38:00,236 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:38:00,236 INFO  L85        PathProgramCache]: Analyzing trace with hash -1765157261, now seen corresponding path program 192 times
[2022-02-15 11:38:00,236 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:38:00,237 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331724709]
[2022-02-15 11:38:00,237 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:38:00,237 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:38:00,245 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:38:00,513 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:38:00,513 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:38:00,513 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331724709]
[2022-02-15 11:38:00,513 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331724709] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:38:00,513 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:38:00,513 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:38:00,513 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253720563]
[2022-02-15 11:38:00,513 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:38:00,513 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:38:00,513 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:38:00,514 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:38:00,514 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:38:00,514 INFO  L87              Difference]: Start difference. First operand 23767 states and 65465 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:38:03,726 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-15 11:38:03,726 INFO  L93              Difference]: Finished difference Result 50586 states and 138337 transitions.
[2022-02-15 11:38:03,727 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. 
[2022-02-15 11:38:03,727 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2022-02-15 11:38:03,727 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-15 11:38:03,831 INFO  L225             Difference]: With dead ends: 50586
[2022-02-15 11:38:03,831 INFO  L226             Difference]: Without dead ends: 50586
[2022-02-15 11:38:03,832 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1163 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=758, Invalid=5404, Unknown=0, NotChecked=0, Total=6162
[2022-02-15 11:38:03,832 INFO  L933         BasicCegarLoop]: 1093 mSDtfsCounter, 2436 mSDsluCounter, 23255 mSDsCounter, 0 mSdLazyCounter, 5386 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2436 SdHoareTripleChecker+Valid, 24088 SdHoareTripleChecker+Invalid, 5409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2022-02-15 11:38:03,832 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2436 Valid, 24088 Invalid, 5409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5386 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2022-02-15 11:38:03,907 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 50586 states.
[2022-02-15 11:38:04,415 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 50586 to 23703.
[2022-02-15 11:38:04,442 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23703 states, 23702 states have (on average 2.753227575732006) internal successors, (65257), 23702 states have internal predecessors, (65257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:38:04,485 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23703 states to 23703 states and 65257 transitions.
[2022-02-15 11:38:04,485 INFO  L78                 Accepts]: Start accepts. Automaton has 23703 states and 65257 transitions. Word has length 199
[2022-02-15 11:38:04,485 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-15 11:38:04,485 INFO  L470      AbstractCegarLoop]: Abstraction has 23703 states and 65257 transitions.
[2022-02-15 11:38:04,485 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-15 11:38:04,485 INFO  L276                IsEmpty]: Start isEmpty. Operand 23703 states and 65257 transitions.
[2022-02-15 11:38:04,512 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2022-02-15 11:38:04,512 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-15 11:38:04,512 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-15 11:38:04,512 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215
[2022-02-15 11:38:04,513 INFO  L402      AbstractCegarLoop]: === Iteration 217 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-15 11:38:04,513 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-15 11:38:04,513 INFO  L85        PathProgramCache]: Analyzing trace with hash -2142354485, now seen corresponding path program 193 times
[2022-02-15 11:38:04,513 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-15 11:38:04,513 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214866669]
[2022-02-15 11:38:04,513 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-15 11:38:04,513 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-15 11:38:04,521 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-15 11:38:04,785 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-15 11:38:04,785 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-15 11:38:04,785 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214866669]
[2022-02-15 11:38:04,785 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214866669] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-15 11:38:04,785 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-15 11:38:04,785 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27
[2022-02-15 11:38:04,785 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5999458]
[2022-02-15 11:38:04,785 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-15 11:38:04,785 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2022-02-15 11:38:04,785 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-15 11:38:04,786 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2022-02-15 11:38:04,786 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702
[2022-02-15 11:38:04,786 INFO  L87              Difference]: Start difference. First operand 23703 states and 65257 transitions. Second operand  has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
Received shutdown request...
[2022-02-15 11:38:07,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-02-15 11:38:07,145 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=567, Invalid=3989, Unknown=0, NotChecked=0, Total=4556
[2022-02-15 11:38:07,145 INFO  L933         BasicCegarLoop]: 923 mSDtfsCounter, 1501 mSDsluCounter, 19483 mSDsCounter, 0 mSdLazyCounter, 4421 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 20226 SdHoareTripleChecker+Invalid, 4439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 4421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2022-02-15 11:38:07,145 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [1501 Valid, 20226 Invalid, 4439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 4421 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2022-02-15 11:38:07,145 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2022-02-15 11:38:07,146 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216
[2022-02-15 11:38:07,146 WARN  L594      AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was constructing difference of abstraction (23703states) and FLOYD_HOARE automaton (currently 47 states, 27 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 68 known predicates.
[2022-02-15 11:38:07,147 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining)
[2022-02-15 11:38:07,147 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining)
[2022-02-15 11:38:07,149 INFO  L732         BasicCegarLoop]: Path program histogram: [193, 10, 10, 2, 1, 1]
[2022-02-15 11:38:07,150 INFO  L230   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-15 11:38:07,150 INFO  L180   ceAbstractionStarter]: Computing trace abstraction results
[2022-02-15 11:38:07,151 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 11:38:07 BasicIcfg
[2022-02-15 11:38:07,151 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-15 11:38:07,152 INFO  L158              Benchmark]: Toolchain (without parser) took 736315.58ms. Allocated memory was 187.7MB in the beginning and 6.6GB in the end (delta: 6.4GB). Free memory was 141.5MB in the beginning and 5.5GB in the end (delta: -5.4GB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB.
[2022-02-15 11:38:07,152 INFO  L158              Benchmark]: CDTParser took 0.11ms. Allocated memory is still 187.7MB. Free memory was 157.6MB in the beginning and 157.5MB in the end (delta: 151.9kB). There was no memory consumed. Max. memory is 8.0GB.
[2022-02-15 11:38:07,152 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 262.46ms. Allocated memory is still 187.7MB. Free memory was 141.4MB in the beginning and 162.1MB in the end (delta: -20.8MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB.
[2022-02-15 11:38:07,152 INFO  L158              Benchmark]: Boogie Procedure Inliner took 44.20ms. Allocated memory is still 187.7MB. Free memory was 162.1MB in the beginning and 160.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-15 11:38:07,152 INFO  L158              Benchmark]: Boogie Preprocessor took 31.05ms. Allocated memory is still 187.7MB. Free memory was 160.2MB in the beginning and 158.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-15 11:38:07,152 INFO  L158              Benchmark]: RCFGBuilder took 443.42ms. Allocated memory is still 187.7MB. Free memory was 158.6MB in the beginning and 141.3MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB.
[2022-02-15 11:38:07,152 INFO  L158              Benchmark]: TraceAbstraction took 735526.92ms. Allocated memory was 187.7MB in the beginning and 6.6GB in the end (delta: 6.4GB). Free memory was 140.8MB in the beginning and 5.5GB in the end (delta: -5.4GB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB.
[2022-02-15 11:38:07,152 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.11ms. Allocated memory is still 187.7MB. Free memory was 157.6MB in the beginning and 157.5MB in the end (delta: 151.9kB). There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 262.46ms. Allocated memory is still 187.7MB. Free memory was 141.4MB in the beginning and 162.1MB in the end (delta: -20.8MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 44.20ms. Allocated memory is still 187.7MB. Free memory was 162.1MB in the beginning and 160.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 31.05ms. Allocated memory is still 187.7MB. Free memory was 160.2MB in the beginning and 158.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * RCFGBuilder took 443.42ms. Allocated memory is still 187.7MB. Free memory was 158.6MB in the beginning and 141.3MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB.
 * TraceAbstraction took 735526.92ms. Allocated memory was 187.7MB in the beginning and 6.6GB in the end (delta: 6.4GB). Free memory was 140.8MB in the beginning and 5.5GB in the end (delta: -5.4GB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction)
    Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (23703states) and FLOYD_HOARE automaton (currently 47 states, 27 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 68 known predicates.
  - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (23703states) and FLOYD_HOARE automaton (currently 47 states, 27 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 68 known predicates.
  - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (23703states) and FLOYD_HOARE automaton (currently 47 states, 27 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 68 known predicates.
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 5 procedures, 380 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 735.3s, OverallIterations: 217, TraceHistogramMax: 1, PathProgramHistogramMax: 193, EmptinessCheckTime: 6.6s, AutomataDifference: 556.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.6s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 384830 SdHoareTripleChecker+Valid, 300.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 384830 mSDsluCounter, 4533893 SdHoareTripleChecker+Invalid, 248.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4384562 mSDsCounter, 3998 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 953933 IncrementalHoareTripleChecker+Invalid, 957931 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3998 mSolverCounterUnsat, 210491 mSDtfsCounter, 953933 mSolverCounterSat, 6.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15362 GetRequests, 606 SyntacticMatches, 0 SemanticMatches, 14755 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211375 ImplicationChecksByTransitivity, 220.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26367occurred in iteration=2, InterpolantAutomatonStates: 11064, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 111.8s AutomataMinimizationTime, 216 MinimizatonAttempts, 3381709 StatesRemovedByMinimization, 215 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 56.4s InterpolantComputationTime, 43039 NumberOfCodeBlocks, 43039 NumberOfCodeBlocksAsserted, 217 NumberOfCheckSat, 42822 ConstructedInterpolants, 0 QuantifiedInterpolants, 218143 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 217 InterpolantComputations, 217 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: Timeout
Completed graceful shutdown