/usr/bin/java -Xmx16000000000 -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/parallel-misc-1.wvr.c


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


This is Ultimate 0.2.2-dev-bc79526
[2022-01-18 01:25:46,898 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-01-18 01:25:46,899 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
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[2022-01-18 01:25:46,959 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-01-18 01:25:46,960 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-01-18 01:25:46,960 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-01-18 01:25:46,968 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2022-01-18 01:25:46,992 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2022-01-18 01:25:47,003 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2022-01-18 01:25:47,004 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-01-18 01:25:47,007 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
[2022-01-18 01:25:47,041 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-01-18 01:25:47,041 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-01-18 01:25:47,041 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-01-18 01:25:47,041 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-01-18 01:25:47,042 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-01-18 01:25:47,042 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-01-18 01:25:47,042 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-01-18 01:25:47,042 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-01-18 01:25:47,043 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-01-18 01:25:47,043 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-01-18 01:25:47,043 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-01-18 01:25:47,043 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-01-18 01:25:47,043 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-01-18 01:25:47,043 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-01-18 01:25:47,043 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-01-18 01:25:47,044 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-01-18 01:25:47,044 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-01-18 01:25:47,044 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-01-18 01:25:47,044 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-01-18 01:25:47,044 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-01-18 01:25:47,044 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-01-18 01:25:47,044 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-01-18 01:25:47,044 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-01-18 01:25:47,044 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-01-18 01:25:47,045 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-01-18 01:25:47,045 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-18 01:25:47,045 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-01-18 01:25:47,045 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-01-18 01:25:47,045 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-01-18 01:25:47,045 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-01-18 01:25:47,045 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-01-18 01:25:47,045 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-01-18 01:25:47,046 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-01-18 01:25:47,046 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-01-18 01:25:47,230 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-01-18 01:25:47,254 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-01-18 01:25:47,256 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-01-18 01:25:47,257 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-01-18 01:25:47,258 INFO  L275        PluginConnector]: CDTParser initialized
[2022-01-18 01:25:47,259 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c
[2022-01-18 01:25:47,310 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c2f3a970/ad09fccfce8242cd953701fa3cd4352a/FLAG06bcbbe45
[2022-01-18 01:25:47,655 INFO  L306              CDTParser]: Found 1 translation units.
[2022-01-18 01:25:47,656 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c
[2022-01-18 01:25:47,663 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c2f3a970/ad09fccfce8242cd953701fa3cd4352a/FLAG06bcbbe45
[2022-01-18 01:25:47,674 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c2f3a970/ad09fccfce8242cd953701fa3cd4352a
[2022-01-18 01:25:47,676 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-01-18 01:25:47,677 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2022-01-18 01:25:47,681 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-01-18 01:25:47,681 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-01-18 01:25:47,684 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-01-18 01:25:47,684 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 01:25:47" (1/1) ...
[2022-01-18 01:25:47,685 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60670d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:47, skipping insertion in model container
[2022-01-18 01:25:47,685 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 01:25:47" (1/1) ...
[2022-01-18 01:25:47,691 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-01-18 01:25:47,714 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-01-18 01:25:47,873 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/parallel-misc-1.wvr.c[2755,2768]
[2022-01-18 01:25:47,880 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-18 01:25:47,886 INFO  L203         MainTranslator]: Completed pre-run
[2022-01-18 01:25:47,905 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/parallel-misc-1.wvr.c[2755,2768]
[2022-01-18 01:25:47,908 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-18 01:25:47,920 INFO  L208         MainTranslator]: Completed translation
[2022-01-18 01:25:47,920 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:47 WrapperNode
[2022-01-18 01:25:47,920 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-01-18 01:25:47,921 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-01-18 01:25:47,921 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-01-18 01:25:47,921 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-01-18 01:25:47,934 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:47" (1/1) ...
[2022-01-18 01:25:47,942 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:47" (1/1) ...
[2022-01-18 01:25:47,990 INFO  L137                Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 17, calls inlined = 31, statements flattened = 277
[2022-01-18 01:25:47,990 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-01-18 01:25:47,991 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-01-18 01:25:47,991 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-01-18 01:25:47,991 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-01-18 01:25:48,001 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:47" (1/1) ...
[2022-01-18 01:25:48,002 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:47" (1/1) ...
[2022-01-18 01:25:48,011 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:47" (1/1) ...
[2022-01-18 01:25:48,018 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:47" (1/1) ...
[2022-01-18 01:25:48,025 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:47" (1/1) ...
[2022-01-18 01:25:48,029 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:47" (1/1) ...
[2022-01-18 01:25:48,031 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:47" (1/1) ...
[2022-01-18 01:25:48,045 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-01-18 01:25:48,046 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-01-18 01:25:48,046 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-01-18 01:25:48,046 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-01-18 01:25:48,055 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:47" (1/1) ...
[2022-01-18 01:25:48,064 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-18 01:25:48,076 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-18 01:25:48,087 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)
[2022-01-18 01:25:48,098 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
[2022-01-18 01:25:48,117 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-01-18 01:25:48,118 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2022-01-18 01:25:48,118 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2022-01-18 01:25:48,118 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2022-01-18 01:25:48,118 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2022-01-18 01:25:48,118 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-01-18 01:25:48,119 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-01-18 01:25:48,119 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-01-18 01:25:48,119 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-01-18 01:25:48,119 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-01-18 01:25:48,119 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-01-18 01:25:48,119 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-01-18 01:25:48,119 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-01-18 01:25:48,121 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-01-18 01:25:48,192 INFO  L234             CfgBuilder]: Building ICFG
[2022-01-18 01:25:48,193 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-01-18 01:25:48,567 INFO  L275             CfgBuilder]: Performing block encoding
[2022-01-18 01:25:48,581 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-01-18 01:25:48,581 INFO  L299             CfgBuilder]: Removed 3 assume(true) statements.
[2022-01-18 01:25:48,583 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 01:25:48 BoogieIcfgContainer
[2022-01-18 01:25:48,584 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-01-18 01:25:48,585 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-01-18 01:25:48,585 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-01-18 01:25:48,588 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-01-18 01:25:48,588 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 01:25:47" (1/3) ...
[2022-01-18 01:25:48,589 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f245095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 01:25:48, skipping insertion in model container
[2022-01-18 01:25:48,589 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:47" (2/3) ...
[2022-01-18 01:25:48,589 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f245095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 01:25:48, skipping insertion in model container
[2022-01-18 01:25:48,589 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 01:25:48" (3/3) ...
[2022-01-18 01:25:48,590 INFO  L111   eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c
[2022-01-18 01:25:48,594 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-01-18 01:25:48,595 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-01-18 01:25:48,595 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-01-18 01:25:48,595 INFO  L513   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-01-18 01:25:48,662 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,662 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,662 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,662 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,663 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,663 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,663 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,663 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,663 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,664 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,664 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,664 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,664 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,664 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,664 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,665 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,665 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,665 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,665 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,665 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,665 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,665 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,666 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,666 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,666 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,666 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,666 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,666 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,667 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,667 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,667 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,667 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,667 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,667 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,667 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,668 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,668 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,668 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,668 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,668 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,669 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,669 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,669 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,669 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,670 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,670 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,670 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,670 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,671 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,671 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,671 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,671 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,671 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,672 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,672 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,672 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,672 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,673 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,673 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,673 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,673 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,673 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,673 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,674 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,674 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,674 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,674 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,674 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,674 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,675 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,675 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,675 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,675 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,675 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,675 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,676 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,676 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,676 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,677 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,677 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,677 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,677 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,677 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,677 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,678 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,678 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,678 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,678 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,678 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,679 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,679 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,679 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,679 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,679 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,679 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,680 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,680 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,680 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,680 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,680 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,680 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,681 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,681 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,681 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,681 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,681 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,681 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,681 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,682 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,682 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,682 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,682 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,682 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,682 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,683 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,683 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,683 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,683 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,683 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,683 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,684 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,684 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,684 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,684 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,684 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,685 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,685 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,685 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,686 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,686 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,686 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,687 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,687 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,687 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,687 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,687 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,688 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,688 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,688 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,688 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,688 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,688 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,689 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,689 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,689 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,689 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,689 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,689 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,689 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,690 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,690 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,690 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,690 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,690 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,691 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,691 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,691 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,691 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,691 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,691 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,692 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,692 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,692 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,692 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,692 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,692 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,692 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,693 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,693 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,693 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,693 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,693 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,693 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,693 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,694 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,694 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,694 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,694 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,694 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,694 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,695 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,695 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,695 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,695 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,695 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,695 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,696 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,696 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,696 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,696 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,696 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,697 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,697 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,697 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,698 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,698 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,698 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,698 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,699 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,699 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,699 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,699 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,700 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,700 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,700 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,700 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,700 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,700 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,701 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,701 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,701 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,701 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,701 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,701 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,701 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,702 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,702 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,702 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,702 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,702 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,703 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,703 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,703 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,704 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,704 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,704 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,704 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,704 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,704 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,705 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,705 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,705 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,705 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,706 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,706 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,706 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,706 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,706 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,706 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,707 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,707 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,707 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,707 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,707 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,707 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,708 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,708 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,708 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,708 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,708 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,708 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,709 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,709 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,709 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,709 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,709 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,709 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,709 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,710 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,710 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,710 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,710 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,710 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,710 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,711 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,711 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,711 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,711 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,711 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,711 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,711 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,711 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,712 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,712 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,713 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,713 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,713 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,713 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,714 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,714 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,714 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,714 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,714 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,714 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,714 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,715 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,715 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,715 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,715 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,715 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,715 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,716 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,716 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,716 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,716 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,716 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,716 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,717 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,718 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,718 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,719 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,719 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,719 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,719 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,719 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,719 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,720 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,720 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,720 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,720 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,720 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,720 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,721 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,721 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,721 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,721 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,721 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,721 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,722 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,722 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,722 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,722 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,722 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,722 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,723 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,723 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,723 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,723 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,723 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,723 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,723 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,724 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,724 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,724 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,724 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,724 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,724 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,725 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,725 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,725 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,725 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,725 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,726 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,726 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,726 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,726 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,726 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,727 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,727 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,727 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,727 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,727 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,728 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,728 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,728 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,728 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,728 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,728 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,728 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,729 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,729 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,729 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,729 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,729 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,729 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,729 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,730 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,730 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,730 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,730 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,730 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,731 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,731 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,731 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,731 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,732 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,732 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,732 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,732 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,732 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,733 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,733 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,733 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,733 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,734 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,734 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,734 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,734 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,734 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,734 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,735 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,735 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,735 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,735 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,735 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,735 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,735 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,736 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,736 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,736 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,736 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,736 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,736 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,737 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,737 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,737 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,737 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,737 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,737 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,737 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,738 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,738 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,738 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,738 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,738 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,738 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,738 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,739 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,739 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,739 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,739 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,739 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,739 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,740 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,740 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,740 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,740 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,741 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,741 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,741 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,741 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,742 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,742 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,742 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,742 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,742 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,743 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,743 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,743 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,743 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,743 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,743 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,744 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,744 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,744 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,744 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,744 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,744 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,745 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,745 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,745 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,745 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,745 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,745 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,746 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,746 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,746 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,746 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,746 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,746 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,747 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,747 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,747 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,747 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,747 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,747 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,748 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,748 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,748 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,748 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,748 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,748 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,748 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,748 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,749 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,749 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,749 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,749 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,749 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,749 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,749 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,749 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,750 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,750 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,750 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,750 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,750 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,750 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,750 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,751 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,751 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,751 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,752 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,752 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,752 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,752 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,752 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,752 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,753 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,753 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,753 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,753 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,753 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,753 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,754 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,754 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,754 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,754 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,754 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,754 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,754 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,754 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,755 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,755 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,755 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,755 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,755 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,755 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,756 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,756 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,756 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,756 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,756 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,756 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,757 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,757 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,757 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,757 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,757 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,758 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,758 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,758 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,758 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,758 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,758 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,759 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,759 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,759 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,759 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,759 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,759 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,759 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,759 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,760 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,760 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,760 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,760 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,760 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,760 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,760 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,761 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,761 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,761 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,761 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,761 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,761 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,762 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,762 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,762 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,762 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,762 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,762 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,762 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,762 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,763 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,763 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,763 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,763 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,763 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,763 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,763 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,764 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,764 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,764 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,765 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,765 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,765 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,765 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,765 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,766 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,766 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,766 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,766 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,766 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,766 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,767 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,767 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,767 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,767 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,767 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,767 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,767 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,768 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,768 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,768 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,768 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,771 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,771 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,771 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,771 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,771 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,772 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,772 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,772 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,772 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,772 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,772 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,773 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,773 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,773 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,773 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,773 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,773 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,775 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,775 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,775 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,776 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,776 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,776 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,776 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,776 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,776 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,776 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,777 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,777 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,777 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,777 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,777 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,777 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,777 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-01-18 01:25:48,780 INFO  L148    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-01-18 01:25:48,816 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-01-18 01:25:48,822 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, 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
[2022-01-18 01:25:48,822 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2022-01-18 01:25:48,838 INFO  L111   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 375 places, 396 transitions, 808 flow
[2022-01-18 01:25:50,640 INFO  L133   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 58787 states, 58786 states have (on average 2.8980199367196273) internal successors, (170363), 58786 states have internal predecessors, (170363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:25:50,720 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 58787 states, 58786 states have (on average 2.8980199367196273) internal successors, (170363), 58786 states have internal predecessors, (170363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:25:51,127 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:25:51,127 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:25:51,128 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]
[2022-01-18 01:25:51,130 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:25:51,141 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:25:51,141 INFO  L85        PathProgramCache]: Analyzing trace with hash 467375561, now seen corresponding path program 1 times
[2022-01-18 01:25:51,148 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:25:51,149 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809182942]
[2022-01-18 01:25:51,150 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:25:51,151 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:25:51,285 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:25:51,463 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:25:51,464 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:25:51,464 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809182942]
[2022-01-18 01:25:51,464 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809182942] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:25:51,464 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:25:51,465 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-01-18 01:25:51,467 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844193774]
[2022-01-18 01:25:51,468 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:25:51,472 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-01-18 01:25:51,472 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:25:51,495 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-01-18 01:25:51,496 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-01-18 01:25:51,575 INFO  L87              Difference]: Start difference. First operand  has 58787 states, 58786 states have (on average 2.8980199367196273) internal successors, (170363), 58786 states have internal predecessors, (170363), 0 states have call successors, (0), 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 2 states, 2 states have (on average 81.5) internal successors, (163), 2 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:25:52,183 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:25:52,183 INFO  L93              Difference]: Finished difference Result 58787 states and 161637 transitions.
[2022-01-18 01:25:52,196 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-01-18 01:25:52,198 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 81.5) internal successors, (163), 2 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:25:52,198 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:25:52,581 INFO  L225             Difference]: With dead ends: 58787
[2022-01-18 01:25:52,581 INFO  L226             Difference]: Without dead ends: 51287
[2022-01-18 01:25:52,582 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-01-18 01:25:52,586 INFO  L933         BasicCegarLoop]: 358 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-18 01:25:52,587 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 358 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-18 01:25:52,727 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 51287 states.
[2022-01-18 01:25:54,060 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 51287 to 51287.
[2022-01-18 01:25:54,127 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51287 states, 51286 states have (on average 2.7494637912880706) internal successors, (141009), 51286 states have internal predecessors, (141009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:25:54,308 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51287 states to 51287 states and 141009 transitions.
[2022-01-18 01:25:54,310 INFO  L78                 Accepts]: Start accepts. Automaton has 51287 states and 141009 transitions. Word has length 163
[2022-01-18 01:25:54,310 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:25:54,310 INFO  L470      AbstractCegarLoop]: Abstraction has 51287 states and 141009 transitions.
[2022-01-18 01:25:54,310 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 81.5) internal successors, (163), 2 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:25:54,311 INFO  L276                IsEmpty]: Start isEmpty. Operand 51287 states and 141009 transitions.
[2022-01-18 01:25:54,454 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:25:54,454 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:25:54,454 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]
[2022-01-18 01:25:54,455 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-01-18 01:25:54,455 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:25:54,459 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:25:54,459 INFO  L85        PathProgramCache]: Analyzing trace with hash -1443710742, now seen corresponding path program 1 times
[2022-01-18 01:25:54,459 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:25:54,459 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711777662]
[2022-01-18 01:25:54,459 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:25:54,460 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:25:54,584 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:25:55,239 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:25:55,240 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:25:55,240 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711777662]
[2022-01-18 01:25:55,240 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711777662] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:25:55,240 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:25:55,240 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:25:55,240 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413023913]
[2022-01-18 01:25:55,241 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:25:55,242 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:25:55,242 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:25:55,242 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:25:55,243 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:25:55,243 INFO  L87              Difference]: Start difference. First operand 51287 states and 141009 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:25:58,435 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:25:58,435 INFO  L93              Difference]: Finished difference Result 114332 states and 315102 transitions.
[2022-01-18 01:25:58,436 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-01-18 01:25:58,436 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:25:58,436 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:25:58,906 INFO  L225             Difference]: With dead ends: 114332
[2022-01-18 01:25:58,907 INFO  L226             Difference]: Without dead ends: 113978
[2022-01-18 01:25:58,911 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=509, Invalid=2247, Unknown=0, NotChecked=0, Total=2756
[2022-01-18 01:25:58,912 INFO  L933         BasicCegarLoop]: 990 mSDtfsCounter, 3925 mSDsluCounter, 12003 mSDsCounter, 0 mSdLazyCounter, 2120 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3925 SdHoareTripleChecker+Valid, 12864 SdHoareTripleChecker+Invalid, 2154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2022-01-18 01:25:58,912 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3925 Valid, 12864 Invalid, 2154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2120 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2022-01-18 01:25:59,165 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 113978 states.
[2022-01-18 01:26:00,666 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 113978 to 52739.
[2022-01-18 01:26:00,727 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52739 states, 52738 states have (on average 2.7486442413440026) internal successors, (144958), 52738 states have internal predecessors, (144958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:00,842 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52739 states to 52739 states and 144958 transitions.
[2022-01-18 01:26:00,842 INFO  L78                 Accepts]: Start accepts. Automaton has 52739 states and 144958 transitions. Word has length 163
[2022-01-18 01:26:00,843 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:26:00,843 INFO  L470      AbstractCegarLoop]: Abstraction has 52739 states and 144958 transitions.
[2022-01-18 01:26:00,843 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:00,843 INFO  L276                IsEmpty]: Start isEmpty. Operand 52739 states and 144958 transitions.
[2022-01-18 01:26:00,904 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:26:00,904 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:26:00,904 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]
[2022-01-18 01:26:00,904 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-01-18 01:26:00,905 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:26:00,905 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:26:00,905 INFO  L85        PathProgramCache]: Analyzing trace with hash 1846555588, now seen corresponding path program 2 times
[2022-01-18 01:26:00,905 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:26:00,905 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227419461]
[2022-01-18 01:26:00,905 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:26:00,906 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:26:00,962 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:26:01,311 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:26:01,311 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:26:01,311 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227419461]
[2022-01-18 01:26:01,312 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227419461] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:26:01,312 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:26:01,312 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:26:01,312 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854525306]
[2022-01-18 01:26:01,312 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:26:01,312 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:26:01,313 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:26:01,313 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:26:01,313 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:26:01,313 INFO  L87              Difference]: Start difference. First operand 52739 states and 144958 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:04,382 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:26:04,383 INFO  L93              Difference]: Finished difference Result 114200 states and 314806 transitions.
[2022-01-18 01:26:04,383 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-01-18 01:26:04,383 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:26:04,384 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:26:04,631 INFO  L225             Difference]: With dead ends: 114200
[2022-01-18 01:26:04,632 INFO  L226             Difference]: Without dead ends: 114061
[2022-01-18 01:26:04,632 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 752 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=660, Invalid=2532, Unknown=0, NotChecked=0, Total=3192
[2022-01-18 01:26:04,633 INFO  L933         BasicCegarLoop]: 943 mSDtfsCounter, 3072 mSDsluCounter, 12199 mSDsCounter, 0 mSdLazyCounter, 2188 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3072 SdHoareTripleChecker+Valid, 13015 SdHoareTripleChecker+Invalid, 2249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 2188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2022-01-18 01:26:04,634 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3072 Valid, 13015 Invalid, 2249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 2188 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2022-01-18 01:26:04,837 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 114061 states.
[2022-01-18 01:26:06,085 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 114061 to 52787.
[2022-01-18 01:26:06,146 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52787 states, 52786 states have (on average 2.7484181411737962) internal successors, (145078), 52786 states have internal predecessors, (145078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:06,537 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52787 states to 52787 states and 145078 transitions.
[2022-01-18 01:26:06,537 INFO  L78                 Accepts]: Start accepts. Automaton has 52787 states and 145078 transitions. Word has length 163
[2022-01-18 01:26:06,538 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:26:06,538 INFO  L470      AbstractCegarLoop]: Abstraction has 52787 states and 145078 transitions.
[2022-01-18 01:26:06,538 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:06,538 INFO  L276                IsEmpty]: Start isEmpty. Operand 52787 states and 145078 transitions.
[2022-01-18 01:26:06,604 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:26:06,604 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:26:06,604 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]
[2022-01-18 01:26:06,604 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-01-18 01:26:06,604 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:26:06,605 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:26:06,605 INFO  L85        PathProgramCache]: Analyzing trace with hash -1648792576, now seen corresponding path program 3 times
[2022-01-18 01:26:06,605 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:26:06,605 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596059821]
[2022-01-18 01:26:06,605 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:26:06,605 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:26:06,656 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:26:07,027 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:26:07,028 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:26:07,028 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596059821]
[2022-01-18 01:26:07,028 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596059821] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:26:07,028 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:26:07,028 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:26:07,028 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181188568]
[2022-01-18 01:26:07,028 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:26:07,029 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:26:07,029 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:26:07,029 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:26:07,029 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:26:07,030 INFO  L87              Difference]: Start difference. First operand 52787 states and 145078 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:10,192 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:26:10,192 INFO  L93              Difference]: Finished difference Result 114160 states and 314697 transitions.
[2022-01-18 01:26:10,195 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-01-18 01:26:10,195 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:26:10,196 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:26:10,432 INFO  L225             Difference]: With dead ends: 114160
[2022-01-18 01:26:10,432 INFO  L226             Difference]: Without dead ends: 113994
[2022-01-18 01:26:10,433 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 563 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=639, Invalid=2013, Unknown=0, NotChecked=0, Total=2652
[2022-01-18 01:26:10,433 INFO  L933         BasicCegarLoop]: 942 mSDtfsCounter, 2903 mSDsluCounter, 11429 mSDsCounter, 0 mSdLazyCounter, 2041 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2903 SdHoareTripleChecker+Valid, 12255 SdHoareTripleChecker+Invalid, 2108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 2041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2022-01-18 01:26:10,434 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2903 Valid, 12255 Invalid, 2108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 2041 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2022-01-18 01:26:10,650 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 113994 states.
[2022-01-18 01:26:12,332 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 113994 to 52755.
[2022-01-18 01:26:12,389 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52755 states, 52754 states have (on average 2.748341358001289) internal successors, (144986), 52754 states have internal predecessors, (144986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:12,502 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52755 states to 52755 states and 144986 transitions.
[2022-01-18 01:26:12,503 INFO  L78                 Accepts]: Start accepts. Automaton has 52755 states and 144986 transitions. Word has length 163
[2022-01-18 01:26:12,503 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:26:12,503 INFO  L470      AbstractCegarLoop]: Abstraction has 52755 states and 144986 transitions.
[2022-01-18 01:26:12,503 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:12,503 INFO  L276                IsEmpty]: Start isEmpty. Operand 52755 states and 144986 transitions.
[2022-01-18 01:26:12,557 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:26:12,557 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:26:12,557 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]
[2022-01-18 01:26:12,557 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-01-18 01:26:12,557 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:26:12,558 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:26:12,558 INFO  L85        PathProgramCache]: Analyzing trace with hash -213341440, now seen corresponding path program 4 times
[2022-01-18 01:26:12,558 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:26:12,558 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985814779]
[2022-01-18 01:26:12,558 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:26:12,558 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:26:12,589 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:26:12,899 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:26:12,899 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:26:12,899 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985814779]
[2022-01-18 01:26:12,899 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985814779] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:26:12,899 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:26:12,899 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:26:12,899 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612153026]
[2022-01-18 01:26:12,900 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:26:12,900 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:26:12,900 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:26:12,900 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:26:12,900 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:26:12,901 INFO  L87              Difference]: Start difference. First operand 52755 states and 144986 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:15,553 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:26:15,553 INFO  L93              Difference]: Finished difference Result 114409 states and 315320 transitions.
[2022-01-18 01:26:15,554 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-01-18 01:26:15,554 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:26:15,554 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:26:15,843 INFO  L225             Difference]: With dead ends: 114409
[2022-01-18 01:26:15,843 INFO  L226             Difference]: Without dead ends: 114126
[2022-01-18 01:26:15,844 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=529, Invalid=2227, Unknown=0, NotChecked=0, Total=2756
[2022-01-18 01:26:15,845 INFO  L933         BasicCegarLoop]: 964 mSDtfsCounter, 2989 mSDsluCounter, 12131 mSDsCounter, 0 mSdLazyCounter, 2186 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2989 SdHoareTripleChecker+Valid, 12967 SdHoareTripleChecker+Invalid, 2233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2022-01-18 01:26:15,845 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2989 Valid, 12967 Invalid, 2233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2186 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2022-01-18 01:26:16,037 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 114126 states.
[2022-01-18 01:26:17,220 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 114126 to 52583.
[2022-01-18 01:26:17,513 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52583 states, 52582 states have (on average 2.7486402190863792) internal successors, (144529), 52582 states have internal predecessors, (144529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:17,647 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52583 states to 52583 states and 144529 transitions.
[2022-01-18 01:26:17,647 INFO  L78                 Accepts]: Start accepts. Automaton has 52583 states and 144529 transitions. Word has length 163
[2022-01-18 01:26:17,648 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:26:17,648 INFO  L470      AbstractCegarLoop]: Abstraction has 52583 states and 144529 transitions.
[2022-01-18 01:26:17,648 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:17,648 INFO  L276                IsEmpty]: Start isEmpty. Operand 52583 states and 144529 transitions.
[2022-01-18 01:26:17,707 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:26:17,707 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:26:17,707 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]
[2022-01-18 01:26:17,707 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-01-18 01:26:17,707 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:26:17,708 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:26:17,708 INFO  L85        PathProgramCache]: Analyzing trace with hash -839844128, now seen corresponding path program 5 times
[2022-01-18 01:26:17,708 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:26:17,708 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618901626]
[2022-01-18 01:26:17,708 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:26:17,708 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:26:17,756 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:26:18,037 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:26:18,037 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:26:18,037 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618901626]
[2022-01-18 01:26:18,038 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618901626] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:26:18,038 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:26:18,038 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:26:18,038 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175821978]
[2022-01-18 01:26:18,038 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:26:18,038 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:26:18,038 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:26:18,039 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:26:18,039 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:26:18,039 INFO  L87              Difference]: Start difference. First operand 52583 states and 144529 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:20,929 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:26:20,929 INFO  L93              Difference]: Finished difference Result 116746 states and 321715 transitions.
[2022-01-18 01:26:20,929 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-01-18 01:26:20,930 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:26:20,930 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:26:21,173 INFO  L225             Difference]: With dead ends: 116746
[2022-01-18 01:26:21,173 INFO  L226             Difference]: Without dead ends: 116607
[2022-01-18 01:26:21,174 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 909 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=726, Invalid=2814, Unknown=0, NotChecked=0, Total=3540
[2022-01-18 01:26:21,174 INFO  L933         BasicCegarLoop]: 942 mSDtfsCounter, 3541 mSDsluCounter, 11061 mSDsCounter, 0 mSdLazyCounter, 2115 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3541 SdHoareTripleChecker+Valid, 11903 SdHoareTripleChecker+Invalid, 2158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 2115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2022-01-18 01:26:21,174 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3541 Valid, 11903 Invalid, 2158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 2115 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2022-01-18 01:26:21,366 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 116607 states.
[2022-01-18 01:26:22,550 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 116607 to 52635.
[2022-01-18 01:26:22,610 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52635 states, 52634 states have (on average 2.748413572975643) internal successors, (144660), 52634 states have internal predecessors, (144660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:22,729 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52635 states to 52635 states and 144660 transitions.
[2022-01-18 01:26:22,729 INFO  L78                 Accepts]: Start accepts. Automaton has 52635 states and 144660 transitions. Word has length 163
[2022-01-18 01:26:22,729 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:26:22,729 INFO  L470      AbstractCegarLoop]: Abstraction has 52635 states and 144660 transitions.
[2022-01-18 01:26:22,729 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:22,730 INFO  L276                IsEmpty]: Start isEmpty. Operand 52635 states and 144660 transitions.
[2022-01-18 01:26:22,784 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:26:22,784 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:26:22,784 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]
[2022-01-18 01:26:22,785 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-01-18 01:26:22,785 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:26:22,785 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:26:22,785 INFO  L85        PathProgramCache]: Analyzing trace with hash -40224996, now seen corresponding path program 6 times
[2022-01-18 01:26:22,785 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:26:22,785 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000703285]
[2022-01-18 01:26:22,785 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:26:22,785 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:26:22,811 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:26:23,073 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:26:23,073 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:26:23,073 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000703285]
[2022-01-18 01:26:23,073 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000703285] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:26:23,073 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:26:23,073 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:26:23,073 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255445826]
[2022-01-18 01:26:23,073 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:26:23,074 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:26:23,074 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:26:23,074 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:26:23,074 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:26:23,074 INFO  L87              Difference]: Start difference. First operand 52635 states and 144660 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:25,612 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:26:25,613 INFO  L93              Difference]: Finished difference Result 116718 states and 321635 transitions.
[2022-01-18 01:26:25,613 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-01-18 01:26:25,613 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:26:25,613 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:26:25,851 INFO  L225             Difference]: With dead ends: 116718
[2022-01-18 01:26:25,852 INFO  L226             Difference]: Without dead ends: 116552
[2022-01-18 01:26:25,853 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 735 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=633, Invalid=2447, Unknown=0, NotChecked=0, Total=3080
[2022-01-18 01:26:25,853 INFO  L933         BasicCegarLoop]: 938 mSDtfsCounter, 3462 mSDsluCounter, 11040 mSDsCounter, 0 mSdLazyCounter, 2101 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3462 SdHoareTripleChecker+Valid, 11880 SdHoareTripleChecker+Invalid, 2133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2022-01-18 01:26:25,853 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3462 Valid, 11880 Invalid, 2133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2101 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2022-01-18 01:26:26,341 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 116552 states.
[2022-01-18 01:26:27,632 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 116552 to 52599.
[2022-01-18 01:26:27,704 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52599 states, 52598 states have (on average 2.7484124871668123) internal successors, (144561), 52598 states have internal predecessors, (144561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:27,825 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52599 states to 52599 states and 144561 transitions.
[2022-01-18 01:26:27,825 INFO  L78                 Accepts]: Start accepts. Automaton has 52599 states and 144561 transitions. Word has length 163
[2022-01-18 01:26:27,825 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:26:27,825 INFO  L470      AbstractCegarLoop]: Abstraction has 52599 states and 144561 transitions.
[2022-01-18 01:26:27,825 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:27,825 INFO  L276                IsEmpty]: Start isEmpty. Operand 52599 states and 144561 transitions.
[2022-01-18 01:26:27,876 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:26:27,877 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:26:27,877 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]
[2022-01-18 01:26:27,877 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-01-18 01:26:27,877 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:26:27,878 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:26:27,878 INFO  L85        PathProgramCache]: Analyzing trace with hash -320954912, now seen corresponding path program 7 times
[2022-01-18 01:26:27,878 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:26:27,878 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114358911]
[2022-01-18 01:26:27,878 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:26:27,878 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:26:27,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:26:28,176 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:26:28,177 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:26:28,177 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114358911]
[2022-01-18 01:26:28,177 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114358911] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:26:28,177 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:26:28,177 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:26:28,177 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044913832]
[2022-01-18 01:26:28,177 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:26:28,178 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:26:28,178 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:26:28,178 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:26:28,178 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:26:28,178 INFO  L87              Difference]: Start difference. First operand 52599 states and 144561 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:30,876 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:26:30,876 INFO  L93              Difference]: Finished difference Result 116663 states and 321481 transitions.
[2022-01-18 01:26:30,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-01-18 01:26:30,877 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:26:30,877 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:26:31,120 INFO  L225             Difference]: With dead ends: 116663
[2022-01-18 01:26:31,120 INFO  L226             Difference]: Without dead ends: 116493
[2022-01-18 01:26:31,121 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 904 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=709, Invalid=2831, Unknown=0, NotChecked=0, Total=3540
[2022-01-18 01:26:31,121 INFO  L933         BasicCegarLoop]: 962 mSDtfsCounter, 3155 mSDsluCounter, 12340 mSDsCounter, 0 mSdLazyCounter, 2313 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3155 SdHoareTripleChecker+Valid, 13178 SdHoareTripleChecker+Invalid, 2347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:26:31,121 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3155 Valid, 13178 Invalid, 2347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2313 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:26:31,317 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 116493 states.
[2022-01-18 01:26:32,539 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 116493 to 52587.
[2022-01-18 01:26:32,601 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52587 states, 52586 states have (on average 2.748564256646256) internal successors, (144536), 52586 states have internal predecessors, (144536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:32,722 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52587 states to 52587 states and 144536 transitions.
[2022-01-18 01:26:32,722 INFO  L78                 Accepts]: Start accepts. Automaton has 52587 states and 144536 transitions. Word has length 163
[2022-01-18 01:26:32,722 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:26:32,722 INFO  L470      AbstractCegarLoop]: Abstraction has 52587 states and 144536 transitions.
[2022-01-18 01:26:32,723 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:32,723 INFO  L276                IsEmpty]: Start isEmpty. Operand 52587 states and 144536 transitions.
[2022-01-18 01:26:32,777 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:26:32,777 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:26:32,777 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]
[2022-01-18 01:26:32,777 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-01-18 01:26:32,777 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:26:32,777 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:26:32,778 INFO  L85        PathProgramCache]: Analyzing trace with hash -1647961572, now seen corresponding path program 8 times
[2022-01-18 01:26:32,778 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:26:32,778 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419169738]
[2022-01-18 01:26:32,778 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:26:32,778 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:26:32,797 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:26:33,065 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:26:33,065 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:26:33,065 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419169738]
[2022-01-18 01:26:33,065 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419169738] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:26:33,065 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:26:33,065 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:26:33,065 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161369740]
[2022-01-18 01:26:33,065 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:26:33,066 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:26:33,066 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:26:33,066 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:26:33,066 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:26:33,067 INFO  L87              Difference]: Start difference. First operand 52587 states and 144536 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:35,803 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:26:35,803 INFO  L93              Difference]: Finished difference Result 116879 states and 322124 transitions.
[2022-01-18 01:26:35,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2022-01-18 01:26:35,804 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:26:35,804 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:26:36,061 INFO  L225             Difference]: With dead ends: 116879
[2022-01-18 01:26:36,061 INFO  L226             Difference]: Without dead ends: 116740
[2022-01-18 01:26:36,062 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=691, Invalid=2615, Unknown=0, NotChecked=0, Total=3306
[2022-01-18 01:26:36,062 INFO  L933         BasicCegarLoop]: 941 mSDtfsCounter, 3453 mSDsluCounter, 11107 mSDsCounter, 0 mSdLazyCounter, 2085 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3453 SdHoareTripleChecker+Valid, 11947 SdHoareTripleChecker+Invalid, 2128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 2085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2022-01-18 01:26:36,062 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3453 Valid, 11947 Invalid, 2128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 2085 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2022-01-18 01:26:36,561 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 116740 states.
[2022-01-18 01:26:37,729 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 116740 to 52635.
[2022-01-18 01:26:37,786 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52635 states, 52634 states have (on average 2.7483375764714824) internal successors, (144656), 52634 states have internal predecessors, (144656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:37,896 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52635 states to 52635 states and 144656 transitions.
[2022-01-18 01:26:37,896 INFO  L78                 Accepts]: Start accepts. Automaton has 52635 states and 144656 transitions. Word has length 163
[2022-01-18 01:26:37,896 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:26:37,896 INFO  L470      AbstractCegarLoop]: Abstraction has 52635 states and 144656 transitions.
[2022-01-18 01:26:37,896 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:37,897 INFO  L276                IsEmpty]: Start isEmpty. Operand 52635 states and 144656 transitions.
[2022-01-18 01:26:37,946 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:26:37,947 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:26:37,947 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]
[2022-01-18 01:26:37,947 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-01-18 01:26:37,947 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:26:37,947 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:26:37,947 INFO  L85        PathProgramCache]: Analyzing trace with hash -848342440, now seen corresponding path program 9 times
[2022-01-18 01:26:37,948 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:26:37,948 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952054138]
[2022-01-18 01:26:37,948 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:26:37,948 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:26:37,966 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:26:38,216 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:26:38,217 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:26:38,217 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952054138]
[2022-01-18 01:26:38,217 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952054138] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:26:38,217 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:26:38,217 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:26:38,217 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310515225]
[2022-01-18 01:26:38,217 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:26:38,217 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:26:38,218 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:26:38,218 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:26:38,218 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:26:38,218 INFO  L87              Difference]: Start difference. First operand 52635 states and 144656 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:40,709 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:26:40,710 INFO  L93              Difference]: Finished difference Result 116870 states and 322094 transitions.
[2022-01-18 01:26:40,710 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-01-18 01:26:40,710 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:26:40,710 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:26:40,947 INFO  L225             Difference]: With dead ends: 116870
[2022-01-18 01:26:40,947 INFO  L226             Difference]: Without dead ends: 116704
[2022-01-18 01:26:40,948 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 757 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=637, Invalid=2555, Unknown=0, NotChecked=0, Total=3192
[2022-01-18 01:26:40,948 INFO  L933         BasicCegarLoop]: 944 mSDtfsCounter, 3012 mSDsluCounter, 12317 mSDsCounter, 0 mSdLazyCounter, 2228 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3012 SdHoareTripleChecker+Valid, 13131 SdHoareTripleChecker+Invalid, 2257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:26:40,948 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3012 Valid, 13131 Invalid, 2257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2228 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:26:41,133 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 116704 states.
[2022-01-18 01:26:42,311 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 116704 to 52599.
[2022-01-18 01:26:42,373 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52599 states, 52598 states have (on average 2.7483364386478573) internal successors, (144557), 52598 states have internal predecessors, (144557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:42,492 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52599 states to 52599 states and 144557 transitions.
[2022-01-18 01:26:42,492 INFO  L78                 Accepts]: Start accepts. Automaton has 52599 states and 144557 transitions. Word has length 163
[2022-01-18 01:26:42,492 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:26:42,492 INFO  L470      AbstractCegarLoop]: Abstraction has 52599 states and 144557 transitions.
[2022-01-18 01:26:42,492 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:42,493 INFO  L276                IsEmpty]: Start isEmpty. Operand 52599 states and 144557 transitions.
[2022-01-18 01:26:42,543 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:26:42,544 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:26:42,544 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]
[2022-01-18 01:26:42,544 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2022-01-18 01:26:42,544 INFO  L402      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:26:42,544 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:26:42,544 INFO  L85        PathProgramCache]: Analyzing trace with hash -579707424, now seen corresponding path program 10 times
[2022-01-18 01:26:42,544 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:26:42,545 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424878861]
[2022-01-18 01:26:42,545 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:26:42,545 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:26:42,575 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:26:42,825 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:26:42,825 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:26:42,825 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424878861]
[2022-01-18 01:26:42,825 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424878861] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:26:42,826 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:26:42,826 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:26:42,826 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567667310]
[2022-01-18 01:26:42,826 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:26:42,826 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:26:42,826 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:26:42,826 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:26:42,827 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:26:42,827 INFO  L87              Difference]: Start difference. First operand 52599 states and 144557 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:45,417 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:26:45,417 INFO  L93              Difference]: Finished difference Result 116929 states and 322264 transitions.
[2022-01-18 01:26:45,418 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-01-18 01:26:45,418 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:26:45,418 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:26:45,645 INFO  L225             Difference]: With dead ends: 116929
[2022-01-18 01:26:45,645 INFO  L226             Difference]: Without dead ends: 116715
[2022-01-18 01:26:45,646 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=602, Invalid=2478, Unknown=0, NotChecked=0, Total=3080
[2022-01-18 01:26:45,646 INFO  L933         BasicCegarLoop]: 963 mSDtfsCounter, 2980 mSDsluCounter, 12077 mSDsCounter, 0 mSdLazyCounter, 2220 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2980 SdHoareTripleChecker+Valid, 12916 SdHoareTripleChecker+Invalid, 2248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:26:45,647 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2980 Valid, 12916 Invalid, 2248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2220 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:26:45,828 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 116715 states.
[2022-01-18 01:26:46,998 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 116715 to 52531.
[2022-01-18 01:26:47,057 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52531 states, 52530 states have (on average 2.7486388730249383) internal successors, (144386), 52530 states have internal predecessors, (144386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:47,168 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52531 states to 52531 states and 144386 transitions.
[2022-01-18 01:26:47,168 INFO  L78                 Accepts]: Start accepts. Automaton has 52531 states and 144386 transitions. Word has length 163
[2022-01-18 01:26:47,168 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:26:47,169 INFO  L470      AbstractCegarLoop]: Abstraction has 52531 states and 144386 transitions.
[2022-01-18 01:26:47,169 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:47,169 INFO  L276                IsEmpty]: Start isEmpty. Operand 52531 states and 144386 transitions.
[2022-01-18 01:26:47,216 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:26:47,216 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:26:47,216 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]
[2022-01-18 01:26:47,216 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2022-01-18 01:26:47,216 INFO  L402      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:26:47,217 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:26:47,217 INFO  L85        PathProgramCache]: Analyzing trace with hash -402189598, now seen corresponding path program 11 times
[2022-01-18 01:26:47,217 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:26:47,217 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47385247]
[2022-01-18 01:26:47,217 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:26:47,217 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:26:47,237 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:26:47,499 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:26:47,499 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:26:47,499 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47385247]
[2022-01-18 01:26:47,500 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47385247] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:26:47,500 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:26:47,500 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:26:47,500 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167486114]
[2022-01-18 01:26:47,500 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:26:47,500 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:26:47,500 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:26:47,501 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:26:47,501 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:26:47,501 INFO  L87              Difference]: Start difference. First operand 52531 states and 144386 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:50,126 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:26:50,126 INFO  L93              Difference]: Finished difference Result 122951 states and 338740 transitions.
[2022-01-18 01:26:50,127 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-01-18 01:26:50,127 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:26:50,127 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:26:50,371 INFO  L225             Difference]: With dead ends: 122951
[2022-01-18 01:26:50,372 INFO  L226             Difference]: Without dead ends: 122812
[2022-01-18 01:26:50,373 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 972 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=758, Invalid=2902, Unknown=0, NotChecked=0, Total=3660
[2022-01-18 01:26:50,373 INFO  L933         BasicCegarLoop]: 962 mSDtfsCounter, 3270 mSDsluCounter, 12192 mSDsCounter, 0 mSdLazyCounter, 2324 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3270 SdHoareTripleChecker+Valid, 13036 SdHoareTripleChecker+Invalid, 2365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 2324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:26:50,373 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3270 Valid, 13036 Invalid, 2365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 2324 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:26:50,566 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 122812 states.
[2022-01-18 01:26:51,949 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 122812 to 52635.
[2022-01-18 01:26:52,011 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52635 states, 52634 states have (on average 2.748413572975643) internal successors, (144660), 52634 states have internal predecessors, (144660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:52,432 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52635 states to 52635 states and 144660 transitions.
[2022-01-18 01:26:52,432 INFO  L78                 Accepts]: Start accepts. Automaton has 52635 states and 144660 transitions. Word has length 163
[2022-01-18 01:26:52,433 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:26:52,434 INFO  L470      AbstractCegarLoop]: Abstraction has 52635 states and 144660 transitions.
[2022-01-18 01:26:52,434 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:52,434 INFO  L276                IsEmpty]: Start isEmpty. Operand 52635 states and 144660 transitions.
[2022-01-18 01:26:52,492 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:26:52,492 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:26:52,492 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]
[2022-01-18 01:26:52,492 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2022-01-18 01:26:52,492 INFO  L402      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:26:52,493 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:26:52,493 INFO  L85        PathProgramCache]: Analyzing trace with hash 397429534, now seen corresponding path program 12 times
[2022-01-18 01:26:52,493 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:26:52,493 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489382488]
[2022-01-18 01:26:52,493 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:26:52,493 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:26:52,513 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:26:52,760 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:26:52,760 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:26:52,760 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489382488]
[2022-01-18 01:26:52,760 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489382488] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:26:52,761 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:26:52,761 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:26:52,761 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44407275]
[2022-01-18 01:26:52,761 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:26:52,761 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:26:52,761 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:26:52,761 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:26:52,762 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:26:52,762 INFO  L87              Difference]: Start difference. First operand 52635 states and 144660 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:54,916 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:26:54,917 INFO  L93              Difference]: Finished difference Result 122923 states and 338660 transitions.
[2022-01-18 01:26:54,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-01-18 01:26:54,917 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:26:54,917 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:26:55,449 INFO  L225             Difference]: With dead ends: 122923
[2022-01-18 01:26:55,449 INFO  L226             Difference]: Without dead ends: 122757
[2022-01-18 01:26:55,450 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=661, Invalid=2531, Unknown=0, NotChecked=0, Total=3192
[2022-01-18 01:26:55,450 INFO  L933         BasicCegarLoop]: 958 mSDtfsCounter, 3599 mSDsluCounter, 11316 mSDsCounter, 0 mSdLazyCounter, 2178 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3599 SdHoareTripleChecker+Valid, 12175 SdHoareTripleChecker+Invalid, 2209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:26:55,450 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3599 Valid, 12175 Invalid, 2209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2178 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:26:55,618 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 122757 states.
[2022-01-18 01:26:56,702 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 122757 to 52599.
[2022-01-18 01:26:56,754 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52599 states, 52598 states have (on average 2.7484124871668123) internal successors, (144561), 52598 states have internal predecessors, (144561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:56,859 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52599 states to 52599 states and 144561 transitions.
[2022-01-18 01:26:56,859 INFO  L78                 Accepts]: Start accepts. Automaton has 52599 states and 144561 transitions. Word has length 163
[2022-01-18 01:26:56,860 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:26:56,860 INFO  L470      AbstractCegarLoop]: Abstraction has 52599 states and 144561 transitions.
[2022-01-18 01:26:56,860 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:56,860 INFO  L276                IsEmpty]: Start isEmpty. Operand 52599 states and 144561 transitions.
[2022-01-18 01:26:56,907 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:26:56,907 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:26:56,908 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]
[2022-01-18 01:26:56,908 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2022-01-18 01:26:56,908 INFO  L402      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:26:56,908 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:26:56,908 INFO  L85        PathProgramCache]: Analyzing trace with hash 116699618, now seen corresponding path program 13 times
[2022-01-18 01:26:56,908 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:26:56,908 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161007666]
[2022-01-18 01:26:56,908 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:26:56,909 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:26:56,928 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:26:57,162 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:26:57,162 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:26:57,163 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161007666]
[2022-01-18 01:26:57,163 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161007666] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:26:57,163 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:26:57,163 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:26:57,163 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071440247]
[2022-01-18 01:26:57,163 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:26:57,163 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:26:57,163 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:26:57,164 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:26:57,164 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:26:57,164 INFO  L87              Difference]: Start difference. First operand 52599 states and 144561 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:26:59,836 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:26:59,837 INFO  L93              Difference]: Finished difference Result 123282 states and 339460 transitions.
[2022-01-18 01:26:59,837 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-01-18 01:26:59,837 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:26:59,838 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:27:00,090 INFO  L225             Difference]: With dead ends: 123282
[2022-01-18 01:27:00,090 INFO  L226             Difference]: Without dead ends: 123112
[2022-01-18 01:27:00,091 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 970 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=739, Invalid=2921, Unknown=0, NotChecked=0, Total=3660
[2022-01-18 01:27:00,091 INFO  L933         BasicCegarLoop]: 982 mSDtfsCounter, 3561 mSDsluCounter, 11418 mSDsCounter, 0 mSdLazyCounter, 2248 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3561 SdHoareTripleChecker+Valid, 12298 SdHoareTripleChecker+Invalid, 2280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2022-01-18 01:27:00,092 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3561 Valid, 12298 Invalid, 2280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2248 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2022-01-18 01:27:00,294 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 123112 states.
[2022-01-18 01:27:01,441 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 123112 to 52587.
[2022-01-18 01:27:01,500 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52587 states, 52586 states have (on average 2.748564256646256) internal successors, (144536), 52586 states have internal predecessors, (144536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:01,603 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52587 states to 52587 states and 144536 transitions.
[2022-01-18 01:27:01,603 INFO  L78                 Accepts]: Start accepts. Automaton has 52587 states and 144536 transitions. Word has length 163
[2022-01-18 01:27:01,604 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:27:01,604 INFO  L470      AbstractCegarLoop]: Abstraction has 52587 states and 144536 transitions.
[2022-01-18 01:27:01,604 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:01,604 INFO  L276                IsEmpty]: Start isEmpty. Operand 52587 states and 144536 transitions.
[2022-01-18 01:27:01,653 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:27:01,653 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:27:01,654 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]
[2022-01-18 01:27:01,654 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2022-01-18 01:27:01,654 INFO  L402      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:27:01,654 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:27:01,654 INFO  L85        PathProgramCache]: Analyzing trace with hash -1210307042, now seen corresponding path program 14 times
[2022-01-18 01:27:01,654 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:27:01,654 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304638577]
[2022-01-18 01:27:01,654 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:27:01,655 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:27:01,690 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:27:01,969 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:27:01,969 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:27:01,969 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304638577]
[2022-01-18 01:27:01,969 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304638577] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:27:01,969 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:27:01,969 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:27:01,969 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579137439]
[2022-01-18 01:27:01,970 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:27:01,970 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:27:01,970 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:27:01,970 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:27:01,970 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:27:01,971 INFO  L87              Difference]: Start difference. First operand 52587 states and 144536 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:04,565 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:27:04,566 INFO  L93              Difference]: Finished difference Result 122503 states and 337504 transitions.
[2022-01-18 01:27:04,566 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. 
[2022-01-18 01:27:04,566 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:27:04,566 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:27:04,836 INFO  L225             Difference]: With dead ends: 122503
[2022-01-18 01:27:04,837 INFO  L226             Difference]: Without dead ends: 122364
[2022-01-18 01:27:04,838 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 865 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=722, Invalid=2700, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:27:04,838 INFO  L933         BasicCegarLoop]: 960 mSDtfsCounter, 3468 mSDsluCounter, 11991 mSDsCounter, 0 mSdLazyCounter, 2191 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3468 SdHoareTripleChecker+Valid, 12834 SdHoareTripleChecker+Invalid, 2237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 2191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:27:04,838 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3468 Valid, 12834 Invalid, 2237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 2191 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:27:05,029 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 122364 states.
[2022-01-18 01:27:06,241 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 122364 to 52635.
[2022-01-18 01:27:06,302 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52635 states, 52634 states have (on average 2.7483375764714824) internal successors, (144656), 52634 states have internal predecessors, (144656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:06,408 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52635 states to 52635 states and 144656 transitions.
[2022-01-18 01:27:06,408 INFO  L78                 Accepts]: Start accepts. Automaton has 52635 states and 144656 transitions. Word has length 163
[2022-01-18 01:27:06,408 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:27:06,408 INFO  L470      AbstractCegarLoop]: Abstraction has 52635 states and 144656 transitions.
[2022-01-18 01:27:06,408 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:06,408 INFO  L276                IsEmpty]: Start isEmpty. Operand 52635 states and 144656 transitions.
[2022-01-18 01:27:06,457 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:27:06,457 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:27:06,457 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]
[2022-01-18 01:27:06,458 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2022-01-18 01:27:06,458 INFO  L402      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:27:06,458 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:27:06,458 INFO  L85        PathProgramCache]: Analyzing trace with hash -410687910, now seen corresponding path program 15 times
[2022-01-18 01:27:06,458 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:27:06,458 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880389060]
[2022-01-18 01:27:06,458 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:27:06,458 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:27:06,478 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:27:06,751 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:27:06,751 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:27:06,752 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880389060]
[2022-01-18 01:27:06,752 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880389060] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:27:06,752 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:27:06,752 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:27:06,752 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670356447]
[2022-01-18 01:27:06,752 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:27:06,752 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:27:06,752 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:27:06,753 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:27:06,753 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:27:06,753 INFO  L87              Difference]: Start difference. First operand 52635 states and 144656 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:09,420 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:27:09,420 INFO  L93              Difference]: Finished difference Result 122479 states and 337439 transitions.
[2022-01-18 01:27:09,420 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2022-01-18 01:27:09,420 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:27:09,421 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:27:09,659 INFO  L225             Difference]: With dead ends: 122479
[2022-01-18 01:27:09,660 INFO  L226             Difference]: Without dead ends: 122313
[2022-01-18 01:27:09,660 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=667, Invalid=2639, Unknown=0, NotChecked=0, Total=3306
[2022-01-18 01:27:09,661 INFO  L933         BasicCegarLoop]: 963 mSDtfsCounter, 3214 mSDsluCounter, 12542 mSDsCounter, 0 mSdLazyCounter, 2294 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3214 SdHoareTripleChecker+Valid, 13376 SdHoareTripleChecker+Invalid, 2329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2022-01-18 01:27:09,661 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3214 Valid, 13376 Invalid, 2329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2294 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2022-01-18 01:27:09,854 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 122313 states.
[2022-01-18 01:27:11,067 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 122313 to 52599.
[2022-01-18 01:27:11,126 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52599 states, 52598 states have (on average 2.7483364386478573) internal successors, (144557), 52598 states have internal predecessors, (144557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:11,228 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52599 states to 52599 states and 144557 transitions.
[2022-01-18 01:27:11,228 INFO  L78                 Accepts]: Start accepts. Automaton has 52599 states and 144557 transitions. Word has length 163
[2022-01-18 01:27:11,229 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:27:11,229 INFO  L470      AbstractCegarLoop]: Abstraction has 52599 states and 144557 transitions.
[2022-01-18 01:27:11,229 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:11,229 INFO  L276                IsEmpty]: Start isEmpty. Operand 52599 states and 144557 transitions.
[2022-01-18 01:27:11,277 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:27:11,277 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:27:11,277 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]
[2022-01-18 01:27:11,277 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2022-01-18 01:27:11,277 INFO  L402      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:27:11,278 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:27:11,278 INFO  L85        PathProgramCache]: Analyzing trace with hash -142052894, now seen corresponding path program 16 times
[2022-01-18 01:27:11,278 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:27:11,278 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150338644]
[2022-01-18 01:27:11,278 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:27:11,278 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:27:11,304 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:27:11,569 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:27:11,569 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:27:11,570 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150338644]
[2022-01-18 01:27:11,570 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150338644] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:27:11,570 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:27:11,570 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:27:11,570 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13364387]
[2022-01-18 01:27:11,570 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:27:11,570 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:27:11,570 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:27:11,571 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:27:11,571 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:27:11,571 INFO  L87              Difference]: Start difference. First operand 52599 states and 144557 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:14,168 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:27:14,168 INFO  L93              Difference]: Finished difference Result 122427 states and 337296 transitions.
[2022-01-18 01:27:14,168 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-01-18 01:27:14,168 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:27:14,169 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:27:14,406 INFO  L225             Difference]: With dead ends: 122427
[2022-01-18 01:27:14,406 INFO  L226             Difference]: Without dead ends: 122265
[2022-01-18 01:27:14,407 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 782 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=631, Invalid=2561, Unknown=0, NotChecked=0, Total=3192
[2022-01-18 01:27:14,407 INFO  L933         BasicCegarLoop]: 982 mSDtfsCounter, 3301 mSDsluCounter, 12299 mSDsCounter, 0 mSdLazyCounter, 2289 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3301 SdHoareTripleChecker+Valid, 13156 SdHoareTripleChecker+Invalid, 2323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:27:14,407 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3301 Valid, 13156 Invalid, 2323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2289 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:27:14,600 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 122265 states.
[2022-01-18 01:27:15,796 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 122265 to 52583.
[2022-01-18 01:27:15,855 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52583 states, 52582 states have (on average 2.748564147426876) internal successors, (144525), 52582 states have internal predecessors, (144525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:15,958 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52583 states to 52583 states and 144525 transitions.
[2022-01-18 01:27:15,958 INFO  L78                 Accepts]: Start accepts. Automaton has 52583 states and 144525 transitions. Word has length 163
[2022-01-18 01:27:15,958 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:27:15,959 INFO  L470      AbstractCegarLoop]: Abstraction has 52583 states and 144525 transitions.
[2022-01-18 01:27:15,959 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:15,959 INFO  L276                IsEmpty]: Start isEmpty. Operand 52583 states and 144525 transitions.
[2022-01-18 01:27:16,022 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:27:16,022 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:27:16,022 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]
[2022-01-18 01:27:16,023 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2022-01-18 01:27:16,023 INFO  L402      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:27:16,023 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:27:16,023 INFO  L85        PathProgramCache]: Analyzing trace with hash 1671430020, now seen corresponding path program 17 times
[2022-01-18 01:27:16,023 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:27:16,023 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668664410]
[2022-01-18 01:27:16,023 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:27:16,024 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:27:16,044 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:27:16,771 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:27:16,772 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:27:16,772 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668664410]
[2022-01-18 01:27:16,772 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668664410] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:27:16,772 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:27:16,772 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20
[2022-01-18 01:27:16,772 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747654705]
[2022-01-18 01:27:16,772 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:27:16,773 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2022-01-18 01:27:16,773 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:27:16,773 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2022-01-18 01:27:16,773 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380
[2022-01-18 01:27:16,773 INFO  L87              Difference]: Start difference. First operand 52583 states and 144525 transitions. Second operand  has 20 states, 20 states have (on average 8.15) internal successors, (163), 20 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:19,375 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:27:19,375 INFO  L93              Difference]: Finished difference Result 163851 states and 452425 transitions.
[2022-01-18 01:27:19,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. 
[2022-01-18 01:27:19,376 INFO  L78                 Accepts]: Start accepts. Automaton has  has 20 states, 20 states have (on average 8.15) internal successors, (163), 20 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:27:19,376 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:27:20,005 INFO  L225             Difference]: With dead ends: 163851
[2022-01-18 01:27:20,005 INFO  L226             Difference]: Without dead ends: 163628
[2022-01-18 01:27:20,006 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 480 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450
[2022-01-18 01:27:20,006 INFO  L933         BasicCegarLoop]: 926 mSDtfsCounter, 3854 mSDsluCounter, 11686 mSDsCounter, 0 mSdLazyCounter, 2730 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3854 SdHoareTripleChecker+Valid, 12511 SdHoareTripleChecker+Invalid, 2780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2022-01-18 01:27:20,006 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3854 Valid, 12511 Invalid, 2780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2730 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2022-01-18 01:27:20,225 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 163628 states.
[2022-01-18 01:27:21,459 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 163628 to 52807.
[2022-01-18 01:27:21,518 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52807 states, 52806 states have (on average 2.748267242358823) internal successors, (145125), 52806 states have internal predecessors, (145125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:21,620 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52807 states to 52807 states and 145125 transitions.
[2022-01-18 01:27:21,620 INFO  L78                 Accepts]: Start accepts. Automaton has 52807 states and 145125 transitions. Word has length 163
[2022-01-18 01:27:21,620 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:27:21,620 INFO  L470      AbstractCegarLoop]: Abstraction has 52807 states and 145125 transitions.
[2022-01-18 01:27:21,621 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 20 states, 20 states have (on average 8.15) internal successors, (163), 20 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:21,621 INFO  L276                IsEmpty]: Start isEmpty. Operand 52807 states and 145125 transitions.
[2022-01-18 01:27:21,669 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:27:21,669 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:27:21,670 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]
[2022-01-18 01:27:21,670 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2022-01-18 01:27:21,670 INFO  L402      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:27:21,670 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:27:21,670 INFO  L85        PathProgramCache]: Analyzing trace with hash 737764092, now seen corresponding path program 18 times
[2022-01-18 01:27:21,670 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:27:21,670 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57479698]
[2022-01-18 01:27:21,670 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:27:21,670 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:27:21,687 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:27:21,926 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:27:21,926 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:27:21,926 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57479698]
[2022-01-18 01:27:21,926 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57479698] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:27:21,927 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:27:21,927 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:27:21,927 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836968866]
[2022-01-18 01:27:21,927 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:27:21,927 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:27:21,927 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:27:21,927 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:27:21,927 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:27:21,928 INFO  L87              Difference]: Start difference. First operand 52807 states and 145125 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:24,502 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:27:24,502 INFO  L93              Difference]: Finished difference Result 120231 states and 331152 transitions.
[2022-01-18 01:27:24,503 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2022-01-18 01:27:24,503 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:27:24,503 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:27:24,781 INFO  L225             Difference]: With dead ends: 120231
[2022-01-18 01:27:24,781 INFO  L226             Difference]: Without dead ends: 120089
[2022-01-18 01:27:24,782 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 815 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=636, Invalid=2670, Unknown=0, NotChecked=0, Total=3306
[2022-01-18 01:27:24,782 INFO  L933         BasicCegarLoop]: 981 mSDtfsCounter, 3452 mSDsluCounter, 12058 mSDsCounter, 0 mSdLazyCounter, 2334 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3452 SdHoareTripleChecker+Valid, 12921 SdHoareTripleChecker+Invalid, 2360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:27:24,782 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3452 Valid, 12921 Invalid, 2360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2334 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:27:24,971 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 120089 states.
[2022-01-18 01:27:26,248 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 120089 to 52795.
[2022-01-18 01:27:26,311 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52795 states, 52794 states have (on average 2.748266848505512) internal successors, (145092), 52794 states have internal predecessors, (145092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:26,419 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52795 states to 52795 states and 145092 transitions.
[2022-01-18 01:27:26,419 INFO  L78                 Accepts]: Start accepts. Automaton has 52795 states and 145092 transitions. Word has length 163
[2022-01-18 01:27:26,420 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:27:26,420 INFO  L470      AbstractCegarLoop]: Abstraction has 52795 states and 145092 transitions.
[2022-01-18 01:27:26,420 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:26,420 INFO  L276                IsEmpty]: Start isEmpty. Operand 52795 states and 145092 transitions.
[2022-01-18 01:27:26,467 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:27:26,467 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:27:26,468 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]
[2022-01-18 01:27:26,468 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2022-01-18 01:27:26,468 INFO  L402      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:27:26,468 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:27:26,468 INFO  L85        PathProgramCache]: Analyzing trace with hash 1454437458, now seen corresponding path program 19 times
[2022-01-18 01:27:26,468 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:27:26,468 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656567760]
[2022-01-18 01:27:26,469 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:27:26,469 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:27:26,494 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:27:26,764 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:27:26,765 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:27:26,765 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656567760]
[2022-01-18 01:27:26,765 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656567760] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:27:26,765 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:27:26,765 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:27:26,765 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089044237]
[2022-01-18 01:27:26,765 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:27:26,765 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:27:26,766 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:27:26,766 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:27:26,766 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:27:26,766 INFO  L87              Difference]: Start difference. First operand 52795 states and 145092 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:29,420 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:27:29,420 INFO  L93              Difference]: Finished difference Result 119782 states and 329986 transitions.
[2022-01-18 01:27:29,421 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. 
[2022-01-18 01:27:29,421 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:27:29,421 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:27:29,667 INFO  L225             Difference]: With dead ends: 119782
[2022-01-18 01:27:29,667 INFO  L226             Difference]: Without dead ends: 118521
[2022-01-18 01:27:29,668 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 873 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=646, Invalid=2776, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:27:29,668 INFO  L933         BasicCegarLoop]: 1003 mSDtfsCounter, 3149 mSDsluCounter, 12272 mSDsCounter, 0 mSdLazyCounter, 2447 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3149 SdHoareTripleChecker+Valid, 13158 SdHoareTripleChecker+Invalid, 2473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2022-01-18 01:27:29,669 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3149 Valid, 13158 Invalid, 2473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2447 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2022-01-18 01:27:29,857 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 118521 states.
[2022-01-18 01:27:31,032 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 118521 to 51855.
[2022-01-18 01:27:31,090 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51855 states, 51854 states have (on average 2.748621128553246) internal successors, (142527), 51854 states have internal predecessors, (142527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:31,191 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51855 states to 51855 states and 142527 transitions.
[2022-01-18 01:27:31,191 INFO  L78                 Accepts]: Start accepts. Automaton has 51855 states and 142527 transitions. Word has length 163
[2022-01-18 01:27:31,192 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:27:31,192 INFO  L470      AbstractCegarLoop]: Abstraction has 51855 states and 142527 transitions.
[2022-01-18 01:27:31,192 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:31,192 INFO  L276                IsEmpty]: Start isEmpty. Operand 51855 states and 142527 transitions.
[2022-01-18 01:27:31,240 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:27:31,240 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:27:31,240 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]
[2022-01-18 01:27:31,240 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2022-01-18 01:27:31,240 INFO  L402      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:27:31,241 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:27:31,241 INFO  L85        PathProgramCache]: Analyzing trace with hash 422667174, now seen corresponding path program 20 times
[2022-01-18 01:27:31,241 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:27:31,241 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111743556]
[2022-01-18 01:27:31,241 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:27:31,241 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:27:31,278 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:27:31,520 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:27:31,520 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:27:31,520 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111743556]
[2022-01-18 01:27:31,521 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111743556] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:27:31,521 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:27:31,521 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:27:31,521 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116528331]
[2022-01-18 01:27:31,521 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:27:31,521 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:27:31,521 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:27:31,521 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:27:31,522 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:27:31,522 INFO  L87              Difference]: Start difference. First operand 51855 states and 142527 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:34,050 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:27:34,050 INFO  L93              Difference]: Finished difference Result 118841 states and 327152 transitions.
[2022-01-18 01:27:34,050 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-01-18 01:27:34,051 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:27:34,051 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:27:34,289 INFO  L225             Difference]: With dead ends: 118841
[2022-01-18 01:27:34,290 INFO  L226             Difference]: Without dead ends: 118417
[2022-01-18 01:27:34,290 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=612, Invalid=2468, Unknown=0, NotChecked=0, Total=3080
[2022-01-18 01:27:34,290 INFO  L933         BasicCegarLoop]: 961 mSDtfsCounter, 3407 mSDsluCounter, 11707 mSDsCounter, 0 mSdLazyCounter, 2329 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3407 SdHoareTripleChecker+Valid, 12553 SdHoareTripleChecker+Invalid, 2362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:27:34,290 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3407 Valid, 12553 Invalid, 2362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2329 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:27:34,472 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 118417 states.
[2022-01-18 01:27:35,692 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 118417 to 51871.
[2022-01-18 01:27:35,753 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51871 states, 51870 states have (on average 2.748544438018122) internal successors, (142567), 51870 states have internal predecessors, (142567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:35,862 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51871 states to 51871 states and 142567 transitions.
[2022-01-18 01:27:35,863 INFO  L78                 Accepts]: Start accepts. Automaton has 51871 states and 142567 transitions. Word has length 163
[2022-01-18 01:27:35,863 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:27:35,863 INFO  L470      AbstractCegarLoop]: Abstraction has 51871 states and 142567 transitions.
[2022-01-18 01:27:35,863 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:35,863 INFO  L276                IsEmpty]: Start isEmpty. Operand 51871 states and 142567 transitions.
[2022-01-18 01:27:35,910 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:27:35,910 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:27:35,910 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]
[2022-01-18 01:27:35,910 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2022-01-18 01:27:35,911 INFO  L402      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:27:35,911 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:27:35,911 INFO  L85        PathProgramCache]: Analyzing trace with hash -2017143812, now seen corresponding path program 21 times
[2022-01-18 01:27:35,911 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:27:35,911 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311176335]
[2022-01-18 01:27:35,911 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:27:35,911 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:27:35,928 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:27:36,149 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:27:36,149 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:27:36,149 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311176335]
[2022-01-18 01:27:36,149 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311176335] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:27:36,149 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:27:36,149 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:27:36,149 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094634348]
[2022-01-18 01:27:36,149 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:27:36,150 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:27:36,150 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:27:36,150 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:27:36,150 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:27:36,150 INFO  L87              Difference]: Start difference. First operand 51871 states and 142567 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:38,856 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:27:38,856 INFO  L93              Difference]: Finished difference Result 120140 states and 330546 transitions.
[2022-01-18 01:27:38,856 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-01-18 01:27:38,857 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:27:38,857 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:27:39,100 INFO  L225             Difference]: With dead ends: 120140
[2022-01-18 01:27:39,100 INFO  L226             Difference]: Without dead ends: 119735
[2022-01-18 01:27:39,100 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 906 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=676, Invalid=2864, Unknown=0, NotChecked=0, Total=3540
[2022-01-18 01:27:39,101 INFO  L933         BasicCegarLoop]: 967 mSDtfsCounter, 3252 mSDsluCounter, 12019 mSDsCounter, 0 mSdLazyCounter, 2437 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3252 SdHoareTripleChecker+Valid, 12867 SdHoareTripleChecker+Invalid, 2471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2022-01-18 01:27:39,101 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3252 Valid, 12867 Invalid, 2471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2437 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2022-01-18 01:27:39,291 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 119735 states.
[2022-01-18 01:27:40,450 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 119735 to 52027.
[2022-01-18 01:27:40,508 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52027 states, 52026 states have (on average 2.747549302271941) internal successors, (142944), 52026 states have internal predecessors, (142944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:40,610 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52027 states to 52027 states and 142944 transitions.
[2022-01-18 01:27:40,610 INFO  L78                 Accepts]: Start accepts. Automaton has 52027 states and 142944 transitions. Word has length 163
[2022-01-18 01:27:40,611 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:27:40,611 INFO  L470      AbstractCegarLoop]: Abstraction has 52027 states and 142944 transitions.
[2022-01-18 01:27:40,611 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:40,611 INFO  L276                IsEmpty]: Start isEmpty. Operand 52027 states and 142944 transitions.
[2022-01-18 01:27:40,658 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:27:40,658 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:27:40,658 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]
[2022-01-18 01:27:40,658 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2022-01-18 01:27:40,658 INFO  L402      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:27:40,659 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:27:40,659 INFO  L85        PathProgramCache]: Analyzing trace with hash 1230510364, now seen corresponding path program 22 times
[2022-01-18 01:27:40,659 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:27:40,659 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624853325]
[2022-01-18 01:27:40,659 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:27:40,659 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:27:40,674 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:27:40,937 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:27:40,937 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:27:40,937 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624853325]
[2022-01-18 01:27:40,937 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624853325] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:27:40,937 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:27:40,937 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:27:40,937 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105797931]
[2022-01-18 01:27:40,938 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:27:40,938 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:27:40,938 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:27:40,938 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:27:40,938 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:27:40,938 INFO  L87              Difference]: Start difference. First operand 52027 states and 142944 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:43,591 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:27:43,592 INFO  L93              Difference]: Finished difference Result 118757 states and 327146 transitions.
[2022-01-18 01:27:43,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-01-18 01:27:43,592 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:27:43,592 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:27:43,833 INFO  L225             Difference]: With dead ends: 118757
[2022-01-18 01:27:43,833 INFO  L226             Difference]: Without dead ends: 118618
[2022-01-18 01:27:43,833 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=640, Invalid=2552, Unknown=0, NotChecked=0, Total=3192
[2022-01-18 01:27:43,833 INFO  L933         BasicCegarLoop]: 920 mSDtfsCounter, 3260 mSDsluCounter, 11176 mSDsCounter, 0 mSdLazyCounter, 2195 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3260 SdHoareTripleChecker+Valid, 11994 SdHoareTripleChecker+Invalid, 2239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:27:43,834 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3260 Valid, 11994 Invalid, 2239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 2195 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:27:44,013 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 118618 states.
[2022-01-18 01:27:45,236 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 118618 to 52075.
[2022-01-18 01:27:45,296 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52075 states, 52074 states have (on average 2.747321119944694) internal successors, (143064), 52074 states have internal predecessors, (143064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:45,399 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52075 states to 52075 states and 143064 transitions.
[2022-01-18 01:27:45,400 INFO  L78                 Accepts]: Start accepts. Automaton has 52075 states and 143064 transitions. Word has length 163
[2022-01-18 01:27:45,400 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:27:45,400 INFO  L470      AbstractCegarLoop]: Abstraction has 52075 states and 143064 transitions.
[2022-01-18 01:27:45,400 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:45,400 INFO  L276                IsEmpty]: Start isEmpty. Operand 52075 states and 143064 transitions.
[2022-01-18 01:27:45,449 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:27:45,449 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:27:45,449 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]
[2022-01-18 01:27:45,449 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2022-01-18 01:27:45,449 INFO  L402      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:27:45,450 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:27:45,450 INFO  L85        PathProgramCache]: Analyzing trace with hash 2030129496, now seen corresponding path program 23 times
[2022-01-18 01:27:45,450 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:27:45,450 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3377507]
[2022-01-18 01:27:45,450 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:27:45,450 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:27:45,470 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:27:45,733 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:27:45,733 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:27:45,733 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3377507]
[2022-01-18 01:27:45,733 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3377507] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:27:45,733 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:27:45,733 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:27:45,734 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070053467]
[2022-01-18 01:27:45,734 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:27:45,734 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:27:45,734 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:27:45,734 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:27:45,734 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:27:45,735 INFO  L87              Difference]: Start difference. First operand 52075 states and 143064 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:48,344 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:27:48,344 INFO  L93              Difference]: Finished difference Result 118681 states and 326950 transitions.
[2022-01-18 01:27:48,344 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-01-18 01:27:48,344 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:27:48,345 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:27:48,597 INFO  L225             Difference]: With dead ends: 118681
[2022-01-18 01:27:48,597 INFO  L226             Difference]: Without dead ends: 118515
[2022-01-18 01:27:48,598 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=566, Invalid=2190, Unknown=0, NotChecked=0, Total=2756
[2022-01-18 01:27:48,598 INFO  L933         BasicCegarLoop]: 916 mSDtfsCounter, 2794 mSDsluCounter, 11605 mSDsCounter, 0 mSdLazyCounter, 2274 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2794 SdHoareTripleChecker+Valid, 12417 SdHoareTripleChecker+Invalid, 2307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:27:48,598 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2794 Valid, 12417 Invalid, 2307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2274 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:27:48,782 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 118515 states.
[2022-01-18 01:27:49,998 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 118515 to 52039.
[2022-01-18 01:27:50,055 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52039 states, 52038 states have (on average 2.747319266689727) internal successors, (142965), 52038 states have internal predecessors, (142965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:50,159 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52039 states to 52039 states and 142965 transitions.
[2022-01-18 01:27:50,159 INFO  L78                 Accepts]: Start accepts. Automaton has 52039 states and 142965 transitions. Word has length 163
[2022-01-18 01:27:50,159 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:27:50,159 INFO  L470      AbstractCegarLoop]: Abstraction has 52039 states and 142965 transitions.
[2022-01-18 01:27:50,159 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:50,159 INFO  L276                IsEmpty]: Start isEmpty. Operand 52039 states and 142965 transitions.
[2022-01-18 01:27:50,211 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:27:50,211 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:27:50,211 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]
[2022-01-18 01:27:50,211 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2022-01-18 01:27:50,211 INFO  L402      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:27:50,211 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:27:50,212 INFO  L85        PathProgramCache]: Analyzing trace with hash 67087584, now seen corresponding path program 24 times
[2022-01-18 01:27:50,212 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:27:50,212 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12693007]
[2022-01-18 01:27:50,212 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:27:50,212 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:27:50,229 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:27:50,503 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:27:50,503 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:27:50,503 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12693007]
[2022-01-18 01:27:50,504 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12693007] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:27:50,504 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:27:50,504 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:27:50,504 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054435593]
[2022-01-18 01:27:50,504 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:27:50,504 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:27:50,504 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:27:50,504 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:27:50,505 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:27:50,505 INFO  L87              Difference]: Start difference. First operand 52039 states and 142965 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:53,164 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:27:53,165 INFO  L93              Difference]: Finished difference Result 119002 states and 327724 transitions.
[2022-01-18 01:27:53,165 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2022-01-18 01:27:53,165 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:27:53,165 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:27:53,435 INFO  L225             Difference]: With dead ends: 119002
[2022-01-18 01:27:53,435 INFO  L226             Difference]: Without dead ends: 118664
[2022-01-18 01:27:53,435 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=625, Invalid=2567, Unknown=0, NotChecked=0, Total=3192
[2022-01-18 01:27:53,435 INFO  L933         BasicCegarLoop]: 945 mSDtfsCounter, 2874 mSDsluCounter, 12211 mSDsCounter, 0 mSdLazyCounter, 2396 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2874 SdHoareTripleChecker+Valid, 13027 SdHoareTripleChecker+Invalid, 2429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2022-01-18 01:27:53,436 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2874 Valid, 13027 Invalid, 2429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2396 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2022-01-18 01:27:53,614 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 118664 states.
[2022-01-18 01:27:54,833 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 118664 to 51859.
[2022-01-18 01:27:54,891 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51859 states, 51858 states have (on average 2.748544101199429) internal successors, (142534), 51858 states have internal predecessors, (142534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:55,002 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51859 states to 51859 states and 142534 transitions.
[2022-01-18 01:27:55,003 INFO  L78                 Accepts]: Start accepts. Automaton has 51859 states and 142534 transitions. Word has length 163
[2022-01-18 01:27:55,003 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:27:55,003 INFO  L470      AbstractCegarLoop]: Abstraction has 51859 states and 142534 transitions.
[2022-01-18 01:27:55,003 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:55,003 INFO  L276                IsEmpty]: Start isEmpty. Operand 51859 states and 142534 transitions.
[2022-01-18 01:27:55,055 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:27:55,055 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:27:55,055 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]
[2022-01-18 01:27:55,056 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2022-01-18 01:27:55,056 INFO  L402      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:27:55,056 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:27:55,056 INFO  L85        PathProgramCache]: Analyzing trace with hash 1325673540, now seen corresponding path program 25 times
[2022-01-18 01:27:55,056 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:27:55,056 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918509916]
[2022-01-18 01:27:55,056 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:27:55,056 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:27:55,075 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:27:55,327 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:27:55,327 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:27:55,327 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918509916]
[2022-01-18 01:27:55,327 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918509916] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:27:55,327 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:27:55,327 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:27:55,327 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040035427]
[2022-01-18 01:27:55,327 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:27:55,327 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:27:55,327 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:27:55,328 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:27:55,328 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:27:55,328 INFO  L87              Difference]: Start difference. First operand 51859 states and 142534 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:58,096 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:27:58,097 INFO  L93              Difference]: Finished difference Result 124702 states and 343308 transitions.
[2022-01-18 01:27:58,097 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-01-18 01:27:58,097 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:27:58,097 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:27:58,351 INFO  L225             Difference]: With dead ends: 124702
[2022-01-18 01:27:58,351 INFO  L226             Difference]: Without dead ends: 124297
[2022-01-18 01:27:58,352 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1029 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=734, Invalid=3048, Unknown=0, NotChecked=0, Total=3782
[2022-01-18 01:27:58,352 INFO  L933         BasicCegarLoop]: 992 mSDtfsCounter, 3670 mSDsluCounter, 11841 mSDsCounter, 0 mSdLazyCounter, 2355 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3670 SdHoareTripleChecker+Valid, 12722 SdHoareTripleChecker+Invalid, 2389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:27:58,352 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3670 Valid, 12722 Invalid, 2389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2355 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:27:58,536 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 124297 states.
[2022-01-18 01:27:59,743 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 124297 to 52067.
[2022-01-18 01:27:59,801 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52067 states, 52066 states have (on average 2.7475511850343795) internal successors, (143054), 52066 states have internal predecessors, (143054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:59,906 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52067 states to 52067 states and 143054 transitions.
[2022-01-18 01:27:59,906 INFO  L78                 Accepts]: Start accepts. Automaton has 52067 states and 143054 transitions. Word has length 163
[2022-01-18 01:27:59,906 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:27:59,906 INFO  L470      AbstractCegarLoop]: Abstraction has 52067 states and 143054 transitions.
[2022-01-18 01:27:59,906 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:27:59,906 INFO  L276                IsEmpty]: Start isEmpty. Operand 52067 states and 143054 transitions.
[2022-01-18 01:27:59,956 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:27:59,956 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:27:59,956 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]
[2022-01-18 01:27:59,956 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2022-01-18 01:27:59,956 INFO  L402      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:27:59,956 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:27:59,957 INFO  L85        PathProgramCache]: Analyzing trace with hash 278360420, now seen corresponding path program 26 times
[2022-01-18 01:27:59,957 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:27:59,957 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468392222]
[2022-01-18 01:27:59,957 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:27:59,957 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:27:59,972 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:28:00,257 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:28:00,257 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:28:00,257 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468392222]
[2022-01-18 01:28:00,257 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468392222] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:28:00,257 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:28:00,257 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:28:00,257 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665459641]
[2022-01-18 01:28:00,258 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:28:00,258 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:28:00,258 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:28:00,258 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:28:00,258 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:28:00,258 INFO  L87              Difference]: Start difference. First operand 52067 states and 143054 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:03,152 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:28:03,152 INFO  L93              Difference]: Finished difference Result 124016 states and 341748 transitions.
[2022-01-18 01:28:03,152 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-01-18 01:28:03,153 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:28:03,153 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:28:03,412 INFO  L225             Difference]: With dead ends: 124016
[2022-01-18 01:28:03,412 INFO  L226             Difference]: Without dead ends: 123877
[2022-01-18 01:28:03,413 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 922 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=717, Invalid=2823, Unknown=0, NotChecked=0, Total=3540
[2022-01-18 01:28:03,414 INFO  L933         BasicCegarLoop]: 944 mSDtfsCounter, 2977 mSDsluCounter, 12467 mSDsCounter, 0 mSdLazyCounter, 2373 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2977 SdHoareTripleChecker+Valid, 13293 SdHoareTripleChecker+Invalid, 2420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2022-01-18 01:28:03,414 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2977 Valid, 13293 Invalid, 2420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2373 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2022-01-18 01:28:03,600 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 123877 states.
[2022-01-18 01:28:04,839 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 123877 to 52115.
[2022-01-18 01:28:04,899 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52115 states, 52114 states have (on average 2.747323176113904) internal successors, (143174), 52114 states have internal predecessors, (143174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:05,005 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52115 states to 52115 states and 143174 transitions.
[2022-01-18 01:28:05,005 INFO  L78                 Accepts]: Start accepts. Automaton has 52115 states and 143174 transitions. Word has length 163
[2022-01-18 01:28:05,006 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:28:05,006 INFO  L470      AbstractCegarLoop]: Abstraction has 52115 states and 143174 transitions.
[2022-01-18 01:28:05,006 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:05,006 INFO  L276                IsEmpty]: Start isEmpty. Operand 52115 states and 143174 transitions.
[2022-01-18 01:28:05,057 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:28:05,057 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:28:05,057 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]
[2022-01-18 01:28:05,057 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2022-01-18 01:28:05,057 INFO  L402      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:28:05,058 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:28:05,058 INFO  L85        PathProgramCache]: Analyzing trace with hash 1077979552, now seen corresponding path program 27 times
[2022-01-18 01:28:05,058 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:28:05,058 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365459742]
[2022-01-18 01:28:05,058 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:28:05,058 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:28:05,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:28:05,341 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:28:05,341 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:28:05,341 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365459742]
[2022-01-18 01:28:05,341 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365459742] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:28:05,341 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:28:05,341 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:28:05,341 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473814610]
[2022-01-18 01:28:05,341 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:28:05,341 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:28:05,341 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:28:05,342 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:28:05,342 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:28:05,342 INFO  L87              Difference]: Start difference. First operand 52115 states and 143174 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:07,948 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:28:07,948 INFO  L93              Difference]: Finished difference Result 123940 states and 341552 transitions.
[2022-01-18 01:28:07,963 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-01-18 01:28:07,963 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:28:07,964 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:28:08,238 INFO  L225             Difference]: With dead ends: 123940
[2022-01-18 01:28:08,238 INFO  L226             Difference]: Without dead ends: 123774
[2022-01-18 01:28:08,239 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 747 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=632, Invalid=2448, Unknown=0, NotChecked=0, Total=3080
[2022-01-18 01:28:08,239 INFO  L933         BasicCegarLoop]: 940 mSDtfsCounter, 3310 mSDsluCounter, 11284 mSDsCounter, 0 mSdLazyCounter, 2200 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3310 SdHoareTripleChecker+Valid, 12131 SdHoareTripleChecker+Invalid, 2235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:28:08,239 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3310 Valid, 12131 Invalid, 2235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2200 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:28:08,425 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 123774 states.
[2022-01-18 01:28:09,642 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 123774 to 52079.
[2022-01-18 01:28:09,700 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52079 states, 52078 states have (on average 2.747321325703752) internal successors, (143075), 52078 states have internal predecessors, (143075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:09,806 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52079 states to 52079 states and 143075 transitions.
[2022-01-18 01:28:09,806 INFO  L78                 Accepts]: Start accepts. Automaton has 52079 states and 143075 transitions. Word has length 163
[2022-01-18 01:28:09,806 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:28:09,806 INFO  L470      AbstractCegarLoop]: Abstraction has 52079 states and 143075 transitions.
[2022-01-18 01:28:09,806 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:09,806 INFO  L276                IsEmpty]: Start isEmpty. Operand 52079 states and 143075 transitions.
[2022-01-18 01:28:09,858 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:28:09,858 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:28:09,858 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]
[2022-01-18 01:28:09,858 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2022-01-18 01:28:09,858 INFO  L402      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:28:09,858 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:28:09,859 INFO  L85        PathProgramCache]: Analyzing trace with hash -885062360, now seen corresponding path program 28 times
[2022-01-18 01:28:09,859 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:28:09,859 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567920938]
[2022-01-18 01:28:09,859 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:28:09,859 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:28:09,887 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:28:10,137 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:28:10,138 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:28:10,138 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567920938]
[2022-01-18 01:28:10,138 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567920938] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:28:10,138 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:28:10,138 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:28:10,138 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427093377]
[2022-01-18 01:28:10,138 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:28:10,138 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:28:10,139 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:28:10,139 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:28:10,139 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:28:10,139 INFO  L87              Difference]: Start difference. First operand 52079 states and 143075 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:12,865 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:28:12,866 INFO  L93              Difference]: Finished difference Result 124261 states and 342326 transitions.
[2022-01-18 01:28:12,866 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-01-18 01:28:12,866 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:28:12,867 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:28:13,382 INFO  L225             Difference]: With dead ends: 124261
[2022-01-18 01:28:13,382 INFO  L226             Difference]: Without dead ends: 123935
[2022-01-18 01:28:13,383 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 959 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=720, Invalid=2940, Unknown=0, NotChecked=0, Total=3660
[2022-01-18 01:28:13,387 INFO  L933         BasicCegarLoop]: 965 mSDtfsCounter, 3205 mSDsluCounter, 11778 mSDsCounter, 0 mSdLazyCounter, 2298 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3205 SdHoareTripleChecker+Valid, 12638 SdHoareTripleChecker+Invalid, 2335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:28:13,387 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3205 Valid, 12638 Invalid, 2335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2298 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:28:13,631 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 123935 states.
[2022-01-18 01:28:14,726 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 123935 to 51911.
[2022-01-18 01:28:14,785 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51911 states, 51910 states have (on average 2.747543825852437) internal successors, (142625), 51910 states have internal predecessors, (142625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:15,114 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51911 states to 51911 states and 142625 transitions.
[2022-01-18 01:28:15,114 INFO  L78                 Accepts]: Start accepts. Automaton has 51911 states and 142625 transitions. Word has length 163
[2022-01-18 01:28:15,115 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:28:15,115 INFO  L470      AbstractCegarLoop]: Abstraction has 51911 states and 142625 transitions.
[2022-01-18 01:28:15,115 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:15,115 INFO  L276                IsEmpty]: Start isEmpty. Operand 51911 states and 142625 transitions.
[2022-01-18 01:28:15,161 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:28:15,161 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:28:15,161 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]
[2022-01-18 01:28:15,161 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2022-01-18 01:28:15,161 INFO  L402      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:28:15,162 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:28:15,162 INFO  L85        PathProgramCache]: Analyzing trace with hash -277761852, now seen corresponding path program 29 times
[2022-01-18 01:28:15,163 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:28:15,163 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432560743]
[2022-01-18 01:28:15,163 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:28:15,163 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:28:15,178 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:28:15,439 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:28:15,440 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:28:15,440 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432560743]
[2022-01-18 01:28:15,440 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432560743] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:28:15,440 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:28:15,440 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:28:15,440 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779982707]
[2022-01-18 01:28:15,440 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:28:15,440 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:28:15,440 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:28:15,441 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:28:15,441 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:28:15,441 INFO  L87              Difference]: Start difference. First operand 51911 states and 142625 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:17,844 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:28:17,845 INFO  L93              Difference]: Finished difference Result 123252 states and 339647 transitions.
[2022-01-18 01:28:17,845 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-01-18 01:28:17,845 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:28:17,845 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:28:18,094 INFO  L225             Difference]: With dead ends: 123252
[2022-01-18 01:28:18,094 INFO  L226             Difference]: Without dead ends: 123113
[2022-01-18 01:28:18,095 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=730, Invalid=2810, Unknown=0, NotChecked=0, Total=3540
[2022-01-18 01:28:18,095 INFO  L933         BasicCegarLoop]: 938 mSDtfsCounter, 3034 mSDsluCounter, 12094 mSDsCounter, 0 mSdLazyCounter, 2299 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3034 SdHoareTripleChecker+Valid, 12922 SdHoareTripleChecker+Invalid, 2344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:28:18,095 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3034 Valid, 12922 Invalid, 2344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 2299 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:28:18,607 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 123113 states.
[2022-01-18 01:28:19,545 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 123113 to 51963.
[2022-01-18 01:28:19,604 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51963 states, 51962 states have (on average 2.747315345829645) internal successors, (142756), 51962 states have internal predecessors, (142756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:20,043 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51963 states to 51963 states and 142756 transitions.
[2022-01-18 01:28:20,044 INFO  L78                 Accepts]: Start accepts. Automaton has 51963 states and 142756 transitions. Word has length 163
[2022-01-18 01:28:20,044 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:28:20,044 INFO  L470      AbstractCegarLoop]: Abstraction has 51963 states and 142756 transitions.
[2022-01-18 01:28:20,044 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:20,044 INFO  L276                IsEmpty]: Start isEmpty. Operand 51963 states and 142756 transitions.
[2022-01-18 01:28:20,093 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:28:20,094 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:28:20,094 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]
[2022-01-18 01:28:20,094 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2022-01-18 01:28:20,094 INFO  L402      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:28:20,094 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:28:20,095 INFO  L85        PathProgramCache]: Analyzing trace with hash 521857280, now seen corresponding path program 30 times
[2022-01-18 01:28:20,095 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:28:20,095 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953217531]
[2022-01-18 01:28:20,095 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:28:20,095 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:28:20,111 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:28:20,367 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:28:20,367 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:28:20,368 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953217531]
[2022-01-18 01:28:20,368 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953217531] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:28:20,368 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:28:20,368 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:28:20,368 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768157325]
[2022-01-18 01:28:20,368 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:28:20,368 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:28:20,368 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:28:20,368 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:28:20,368 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:28:20,369 INFO  L87              Difference]: Start difference. First operand 51963 states and 142756 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:22,561 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:28:22,561 INFO  L93              Difference]: Finished difference Result 123224 states and 339567 transitions.
[2022-01-18 01:28:22,562 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-01-18 01:28:22,562 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:28:22,562 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:28:22,810 INFO  L225             Difference]: With dead ends: 123224
[2022-01-18 01:28:22,810 INFO  L226             Difference]: Without dead ends: 123058
[2022-01-18 01:28:22,811 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 747 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=637, Invalid=2443, Unknown=0, NotChecked=0, Total=3080
[2022-01-18 01:28:22,811 INFO  L933         BasicCegarLoop]: 934 mSDtfsCounter, 3357 mSDsluCounter, 11868 mSDsCounter, 0 mSdLazyCounter, 2186 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3357 SdHoareTripleChecker+Valid, 12697 SdHoareTripleChecker+Invalid, 2218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:28:22,811 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3357 Valid, 12697 Invalid, 2218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2186 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:28:23,326 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 123058 states.
[2022-01-18 01:28:24,242 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 123058 to 51927.
[2022-01-18 01:28:24,301 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51927 states, 51926 states have (on average 2.7473134845742018) internal successors, (142657), 51926 states have internal predecessors, (142657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:24,753 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51927 states to 51927 states and 142657 transitions.
[2022-01-18 01:28:24,754 INFO  L78                 Accepts]: Start accepts. Automaton has 51927 states and 142657 transitions. Word has length 163
[2022-01-18 01:28:24,754 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:28:24,754 INFO  L470      AbstractCegarLoop]: Abstraction has 51927 states and 142657 transitions.
[2022-01-18 01:28:24,754 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:24,754 INFO  L276                IsEmpty]: Start isEmpty. Operand 51927 states and 142657 transitions.
[2022-01-18 01:28:24,817 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:28:24,818 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:28:24,818 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]
[2022-01-18 01:28:24,818 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2022-01-18 01:28:24,818 INFO  L402      AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:28:24,819 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:28:24,819 INFO  L85        PathProgramCache]: Analyzing trace with hash 241127364, now seen corresponding path program 31 times
[2022-01-18 01:28:24,819 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:28:24,819 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460640117]
[2022-01-18 01:28:24,819 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:28:24,819 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:28:24,844 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:28:25,122 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:28:25,122 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:28:25,122 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460640117]
[2022-01-18 01:28:25,122 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460640117] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:28:25,122 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:28:25,122 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:28:25,123 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468474693]
[2022-01-18 01:28:25,123 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:28:25,123 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:28:25,123 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:28:25,123 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:28:25,123 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:28:25,124 INFO  L87              Difference]: Start difference. First operand 51927 states and 142657 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:27,428 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:28:27,429 INFO  L93              Difference]: Finished difference Result 123454 states and 340093 transitions.
[2022-01-18 01:28:27,429 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-01-18 01:28:27,429 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:28:27,429 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:28:27,679 INFO  L225             Difference]: With dead ends: 123454
[2022-01-18 01:28:27,680 INFO  L226             Difference]: Without dead ends: 123284
[2022-01-18 01:28:27,681 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 920 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=709, Invalid=2831, Unknown=0, NotChecked=0, Total=3540
[2022-01-18 01:28:27,681 INFO  L933         BasicCegarLoop]: 958 mSDtfsCounter, 3477 mSDsluCounter, 11341 mSDsCounter, 0 mSdLazyCounter, 2224 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3477 SdHoareTripleChecker+Valid, 12200 SdHoareTripleChecker+Invalid, 2260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:28:27,681 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3477 Valid, 12200 Invalid, 2260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2224 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:28:28,200 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 123284 states.
[2022-01-18 01:28:29,119 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 123284 to 51915.
[2022-01-18 01:28:29,178 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51915 states, 51914 states have (on average 2.7474669645952923) internal successors, (142632), 51914 states have internal predecessors, (142632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:29,286 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51915 states to 51915 states and 142632 transitions.
[2022-01-18 01:28:29,286 INFO  L78                 Accepts]: Start accepts. Automaton has 51915 states and 142632 transitions. Word has length 163
[2022-01-18 01:28:29,286 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:28:29,287 INFO  L470      AbstractCegarLoop]: Abstraction has 51915 states and 142632 transitions.
[2022-01-18 01:28:29,287 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:29,287 INFO  L276                IsEmpty]: Start isEmpty. Operand 51915 states and 142632 transitions.
[2022-01-18 01:28:29,681 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:28:29,682 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:28:29,682 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]
[2022-01-18 01:28:29,682 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2022-01-18 01:28:29,682 INFO  L402      AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:28:29,682 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:28:29,682 INFO  L85        PathProgramCache]: Analyzing trace with hash -1085879296, now seen corresponding path program 32 times
[2022-01-18 01:28:29,683 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:28:29,683 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638212720]
[2022-01-18 01:28:29,683 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:28:29,683 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:28:29,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:28:29,955 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:28:29,956 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:28:29,956 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638212720]
[2022-01-18 01:28:29,956 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638212720] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:28:29,956 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:28:29,956 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:28:29,956 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763119278]
[2022-01-18 01:28:29,956 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:28:29,957 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:28:29,957 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:28:29,957 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:28:29,957 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:28:29,958 INFO  L87              Difference]: Start difference. First operand 51915 states and 142632 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:32,292 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:28:32,293 INFO  L93              Difference]: Finished difference Result 122777 states and 338352 transitions.
[2022-01-18 01:28:32,293 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2022-01-18 01:28:32,293 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:28:32,293 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:28:32,542 INFO  L225             Difference]: With dead ends: 122777
[2022-01-18 01:28:32,542 INFO  L226             Difference]: Without dead ends: 122638
[2022-01-18 01:28:32,543 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 803 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=697, Invalid=2609, Unknown=0, NotChecked=0, Total=3306
[2022-01-18 01:28:32,543 INFO  L933         BasicCegarLoop]: 928 mSDtfsCounter, 3007 mSDsluCounter, 11702 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3007 SdHoareTripleChecker+Valid, 12529 SdHoareTripleChecker+Invalid, 2285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:28:32,543 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3007 Valid, 12529 Invalid, 2285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:28:33,088 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 122638 states.
[2022-01-18 01:28:34,002 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 122638 to 51963.
[2022-01-18 01:28:34,061 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51963 states, 51962 states have (on average 2.7472383664985953) internal successors, (142752), 51962 states have internal predecessors, (142752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:34,167 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51963 states to 51963 states and 142752 transitions.
[2022-01-18 01:28:34,167 INFO  L78                 Accepts]: Start accepts. Automaton has 51963 states and 142752 transitions. Word has length 163
[2022-01-18 01:28:34,168 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:28:34,168 INFO  L470      AbstractCegarLoop]: Abstraction has 51963 states and 142752 transitions.
[2022-01-18 01:28:34,168 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:34,168 INFO  L276                IsEmpty]: Start isEmpty. Operand 51963 states and 142752 transitions.
[2022-01-18 01:28:34,575 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:28:34,575 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:28:34,576 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]
[2022-01-18 01:28:34,576 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2022-01-18 01:28:34,576 INFO  L402      AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:28:34,576 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:28:34,576 INFO  L85        PathProgramCache]: Analyzing trace with hash -286260164, now seen corresponding path program 33 times
[2022-01-18 01:28:34,577 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:28:34,577 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487696499]
[2022-01-18 01:28:34,577 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:28:34,577 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:28:34,623 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:28:34,897 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:28:34,898 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:28:34,898 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487696499]
[2022-01-18 01:28:34,898 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487696499] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:28:34,898 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:28:34,898 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:28:34,898 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520066702]
[2022-01-18 01:28:34,898 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:28:34,899 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:28:34,899 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:28:34,899 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:28:34,899 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:28:34,899 INFO  L87              Difference]: Start difference. First operand 51963 states and 142752 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:37,183 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:28:37,183 INFO  L93              Difference]: Finished difference Result 122768 states and 338322 transitions.
[2022-01-18 01:28:37,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-01-18 01:28:37,184 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:28:37,184 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:28:37,438 INFO  L225             Difference]: With dead ends: 122768
[2022-01-18 01:28:37,438 INFO  L226             Difference]: Without dead ends: 122602
[2022-01-18 01:28:37,439 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=643, Invalid=2549, Unknown=0, NotChecked=0, Total=3192
[2022-01-18 01:28:37,439 INFO  L933         BasicCegarLoop]: 943 mSDtfsCounter, 2962 mSDsluCounter, 12178 mSDsCounter, 0 mSdLazyCounter, 2270 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2962 SdHoareTripleChecker+Valid, 12998 SdHoareTripleChecker+Invalid, 2302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:28:37,439 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2962 Valid, 12998 Invalid, 2302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2270 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:28:37,643 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 122602 states.
[2022-01-18 01:28:38,907 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 122602 to 51927.
[2022-01-18 01:28:38,965 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51927 states, 51926 states have (on average 2.7472364518738206) internal successors, (142653), 51926 states have internal predecessors, (142653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:39,072 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51927 states to 51927 states and 142653 transitions.
[2022-01-18 01:28:39,073 INFO  L78                 Accepts]: Start accepts. Automaton has 51927 states and 142653 transitions. Word has length 163
[2022-01-18 01:28:39,073 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:28:39,073 INFO  L470      AbstractCegarLoop]: Abstraction has 51927 states and 142653 transitions.
[2022-01-18 01:28:39,073 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:39,073 INFO  L276                IsEmpty]: Start isEmpty. Operand 51927 states and 142653 transitions.
[2022-01-18 01:28:39,124 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:28:39,124 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:28:39,124 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]
[2022-01-18 01:28:39,124 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2022-01-18 01:28:39,125 INFO  L402      AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:28:39,125 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:28:39,125 INFO  L85        PathProgramCache]: Analyzing trace with hash -17625148, now seen corresponding path program 34 times
[2022-01-18 01:28:39,125 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:28:39,125 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359519407]
[2022-01-18 01:28:39,125 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:28:39,125 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:28:39,140 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:28:39,787 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:28:39,788 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:28:39,788 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359519407]
[2022-01-18 01:28:39,788 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359519407] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:28:39,788 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:28:39,788 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:28:39,788 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692044584]
[2022-01-18 01:28:39,788 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:28:39,789 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:28:39,789 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:28:39,789 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:28:39,789 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:28:39,789 INFO  L87              Difference]: Start difference. First operand 51927 states and 142653 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:41,982 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:28:41,983 INFO  L93              Difference]: Finished difference Result 122599 states and 337929 transitions.
[2022-01-18 01:28:41,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-01-18 01:28:41,984 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:28:41,984 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:28:42,235 INFO  L225             Difference]: With dead ends: 122599
[2022-01-18 01:28:42,235 INFO  L226             Difference]: Without dead ends: 122329
[2022-01-18 01:28:42,236 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 723 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=608, Invalid=2472, Unknown=0, NotChecked=0, Total=3080
[2022-01-18 01:28:42,236 INFO  L933         BasicCegarLoop]: 966 mSDtfsCounter, 3159 mSDsluCounter, 11364 mSDsCounter, 0 mSdLazyCounter, 2158 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3159 SdHoareTripleChecker+Valid, 12222 SdHoareTripleChecker+Invalid, 2189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:28:42,236 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3159 Valid, 12222 Invalid, 2189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2158 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:28:42,438 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 122329 states.
[2022-01-18 01:28:43,705 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 122329 to 51803.
[2022-01-18 01:28:43,763 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51803 states, 51802 states have (on average 2.7486197444114127) internal successors, (142384), 51802 states have internal predecessors, (142384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:43,870 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51803 states to 51803 states and 142384 transitions.
[2022-01-18 01:28:43,870 INFO  L78                 Accepts]: Start accepts. Automaton has 51803 states and 142384 transitions. Word has length 163
[2022-01-18 01:28:43,870 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:28:43,870 INFO  L470      AbstractCegarLoop]: Abstraction has 51803 states and 142384 transitions.
[2022-01-18 01:28:43,870 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:43,870 INFO  L276                IsEmpty]: Start isEmpty. Operand 51803 states and 142384 transitions.
[2022-01-18 01:28:43,922 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:28:43,922 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:28:43,922 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]
[2022-01-18 01:28:43,922 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34
[2022-01-18 01:28:43,922 INFO  L402      AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:28:43,923 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:28:43,923 INFO  L85        PathProgramCache]: Analyzing trace with hash -1935848428, now seen corresponding path program 35 times
[2022-01-18 01:28:43,923 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:28:43,923 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055918661]
[2022-01-18 01:28:43,923 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:28:43,923 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:28:43,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:28:44,239 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:28:44,239 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:28:44,239 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055918661]
[2022-01-18 01:28:44,239 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055918661] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:28:44,239 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:28:44,239 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:28:44,239 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961086423]
[2022-01-18 01:28:44,239 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:28:44,240 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:28:44,240 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:28:44,240 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:28:44,240 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:28:44,240 INFO  L87              Difference]: Start difference. First operand 51803 states and 142384 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:46,940 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:28:46,940 INFO  L93              Difference]: Finished difference Result 119493 states and 328919 transitions.
[2022-01-18 01:28:46,941 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. 
[2022-01-18 01:28:46,941 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:28:46,941 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:28:47,185 INFO  L225             Difference]: With dead ends: 119493
[2022-01-18 01:28:47,185 INFO  L226             Difference]: Without dead ends: 119012
[2022-01-18 01:28:47,186 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=522, Invalid=1928, Unknown=0, NotChecked=0, Total=2450
[2022-01-18 01:28:47,186 INFO  L933         BasicCegarLoop]: 938 mSDtfsCounter, 3270 mSDsluCounter, 11733 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3270 SdHoareTripleChecker+Valid, 12562 SdHoareTripleChecker+Invalid, 1993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2022-01-18 01:28:47,186 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3270 Valid, 12562 Invalid, 1993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2022-01-18 01:28:47,387 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 119012 states.
[2022-01-18 01:28:48,624 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 119012 to 51851.
[2022-01-18 01:28:48,682 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51851 states, 51850 states have (on average 2.7483895853423337) internal successors, (142504), 51850 states have internal predecessors, (142504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:48,789 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51851 states to 51851 states and 142504 transitions.
[2022-01-18 01:28:48,789 INFO  L78                 Accepts]: Start accepts. Automaton has 51851 states and 142504 transitions. Word has length 163
[2022-01-18 01:28:48,789 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:28:48,789 INFO  L470      AbstractCegarLoop]: Abstraction has 51851 states and 142504 transitions.
[2022-01-18 01:28:48,789 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:48,789 INFO  L276                IsEmpty]: Start isEmpty. Operand 51851 states and 142504 transitions.
[2022-01-18 01:28:48,839 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:28:48,839 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:28:48,840 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]
[2022-01-18 01:28:48,840 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35
[2022-01-18 01:28:48,840 INFO  L402      AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:28:48,840 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:28:48,840 INFO  L85        PathProgramCache]: Analyzing trace with hash 800845134, now seen corresponding path program 36 times
[2022-01-18 01:28:48,840 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:28:48,840 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325470211]
[2022-01-18 01:28:48,840 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:28:48,841 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:28:48,856 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:28:49,096 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:28:49,096 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:28:49,096 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325470211]
[2022-01-18 01:28:49,096 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325470211] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:28:49,096 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:28:49,096 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:28:49,096 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971587750]
[2022-01-18 01:28:49,097 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:28:49,097 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:28:49,097 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:28:49,097 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:28:49,097 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:28:49,097 INFO  L87              Difference]: Start difference. First operand 51851 states and 142504 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:51,649 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:28:51,649 INFO  L93              Difference]: Finished difference Result 121174 states and 333218 transitions.
[2022-01-18 01:28:51,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-01-18 01:28:51,649 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:28:51,650 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:28:51,895 INFO  L225             Difference]: With dead ends: 121174
[2022-01-18 01:28:51,895 INFO  L226             Difference]: Without dead ends: 120750
[2022-01-18 01:28:51,895 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=590, Invalid=2490, Unknown=0, NotChecked=0, Total=3080
[2022-01-18 01:28:51,896 INFO  L933         BasicCegarLoop]: 938 mSDtfsCounter, 3167 mSDsluCounter, 11964 mSDsCounter, 0 mSdLazyCounter, 2188 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3167 SdHoareTripleChecker+Valid, 12783 SdHoareTripleChecker+Invalid, 2222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:28:51,896 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3167 Valid, 12783 Invalid, 2222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2188 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:28:52,097 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 120750 states.
[2022-01-18 01:28:53,361 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 120750 to 51863.
[2022-01-18 01:28:53,420 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51863 states, 51862 states have (on average 2.748312830203232) internal successors, (142533), 51862 states have internal predecessors, (142533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:53,527 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51863 states to 51863 states and 142533 transitions.
[2022-01-18 01:28:53,527 INFO  L78                 Accepts]: Start accepts. Automaton has 51863 states and 142533 transitions. Word has length 163
[2022-01-18 01:28:53,527 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:28:53,527 INFO  L470      AbstractCegarLoop]: Abstraction has 51863 states and 142533 transitions.
[2022-01-18 01:28:53,528 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:53,528 INFO  L276                IsEmpty]: Start isEmpty. Operand 51863 states and 142533 transitions.
[2022-01-18 01:28:53,578 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:28:53,579 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:28:53,579 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]
[2022-01-18 01:28:53,579 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36
[2022-01-18 01:28:53,579 INFO  L402      AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:28:53,579 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:28:53,579 INFO  L85        PathProgramCache]: Analyzing trace with hash -1638965852, now seen corresponding path program 37 times
[2022-01-18 01:28:53,580 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:28:53,580 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745695826]
[2022-01-18 01:28:53,580 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:28:53,580 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:28:53,608 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:28:53,868 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:28:53,868 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:28:53,868 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745695826]
[2022-01-18 01:28:53,868 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745695826] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:28:53,868 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:28:53,868 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:28:53,869 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620536337]
[2022-01-18 01:28:53,869 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:28:53,869 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:28:53,869 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:28:53,869 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:28:53,869 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:28:53,870 INFO  L87              Difference]: Start difference. First operand 51863 states and 142533 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:56,452 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:28:56,452 INFO  L93              Difference]: Finished difference Result 120744 states and 332194 transitions.
[2022-01-18 01:28:56,452 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-01-18 01:28:56,452 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:28:56,453 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:28:56,696 INFO  L225             Difference]: With dead ends: 120744
[2022-01-18 01:28:56,697 INFO  L226             Difference]: Without dead ends: 120339
[2022-01-18 01:28:56,697 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 816 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=613, Invalid=2693, Unknown=0, NotChecked=0, Total=3306
[2022-01-18 01:28:56,697 INFO  L933         BasicCegarLoop]: 943 mSDtfsCounter, 2961 mSDsluCounter, 12374 mSDsCounter, 0 mSdLazyCounter, 2224 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2961 SdHoareTripleChecker+Valid, 13188 SdHoareTripleChecker+Invalid, 2257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:28:56,697 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2961 Valid, 13188 Invalid, 2257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2224 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:28:56,893 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 120339 states.
[2022-01-18 01:28:58,117 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 120339 to 52019.
[2022-01-18 01:28:58,176 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52019 states, 52018 states have (on average 2.7473182359952326) internal successors, (142910), 52018 states have internal predecessors, (142910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:58,283 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52019 states to 52019 states and 142910 transitions.
[2022-01-18 01:28:58,283 INFO  L78                 Accepts]: Start accepts. Automaton has 52019 states and 142910 transitions. Word has length 163
[2022-01-18 01:28:58,283 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:28:58,283 INFO  L470      AbstractCegarLoop]: Abstraction has 52019 states and 142910 transitions.
[2022-01-18 01:28:58,284 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:28:58,284 INFO  L276                IsEmpty]: Start isEmpty. Operand 52019 states and 142910 transitions.
[2022-01-18 01:28:58,335 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:28:58,335 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:28:58,335 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]
[2022-01-18 01:28:58,336 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37
[2022-01-18 01:28:58,336 INFO  L402      AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:28:58,336 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:28:58,336 INFO  L85        PathProgramCache]: Analyzing trace with hash 1608688324, now seen corresponding path program 38 times
[2022-01-18 01:28:58,336 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:28:58,336 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263329672]
[2022-01-18 01:28:58,336 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:28:58,336 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:28:58,351 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:28:58,618 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:28:58,618 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:28:58,618 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263329672]
[2022-01-18 01:28:58,618 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263329672] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:28:58,618 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:28:58,618 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:28:58,618 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580975457]
[2022-01-18 01:28:58,619 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:28:58,619 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:28:58,619 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:28:58,619 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:28:58,619 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:28:58,619 INFO  L87              Difference]: Start difference. First operand 52019 states and 142910 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:01,048 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:29:01,048 INFO  L93              Difference]: Finished difference Result 119361 states and 328794 transitions.
[2022-01-18 01:29:01,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-01-18 01:29:01,049 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:29:01,049 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:29:01,302 INFO  L225             Difference]: With dead ends: 119361
[2022-01-18 01:29:01,302 INFO  L226             Difference]: Without dead ends: 119222
[2022-01-18 01:29:01,302 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=583, Invalid=2387, Unknown=0, NotChecked=0, Total=2970
[2022-01-18 01:29:01,303 INFO  L933         BasicCegarLoop]: 891 mSDtfsCounter, 2591 mSDsluCounter, 11865 mSDsCounter, 0 mSdLazyCounter, 2022 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2591 SdHoareTripleChecker+Valid, 12648 SdHoareTripleChecker+Invalid, 2068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 2022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:29:01,303 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2591 Valid, 12648 Invalid, 2068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 2022 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:29:01,501 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 119222 states.
[2022-01-18 01:29:02,765 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 119222 to 52067.
[2022-01-18 01:29:02,825 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52067 states, 52066 states have (on average 2.747090231629086) internal successors, (143030), 52066 states have internal predecessors, (143030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:02,933 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52067 states to 52067 states and 143030 transitions.
[2022-01-18 01:29:02,933 INFO  L78                 Accepts]: Start accepts. Automaton has 52067 states and 143030 transitions. Word has length 163
[2022-01-18 01:29:02,933 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:29:02,934 INFO  L470      AbstractCegarLoop]: Abstraction has 52067 states and 143030 transitions.
[2022-01-18 01:29:02,934 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:02,934 INFO  L276                IsEmpty]: Start isEmpty. Operand 52067 states and 143030 transitions.
[2022-01-18 01:29:02,987 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:29:02,987 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:29:02,987 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]
[2022-01-18 01:29:02,987 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38
[2022-01-18 01:29:02,987 INFO  L402      AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:29:02,988 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:29:02,988 INFO  L85        PathProgramCache]: Analyzing trace with hash -1886659840, now seen corresponding path program 39 times
[2022-01-18 01:29:02,988 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:29:02,988 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919110800]
[2022-01-18 01:29:02,988 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:29:02,988 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:29:03,002 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:29:03,244 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:29:03,244 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:29:03,244 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919110800]
[2022-01-18 01:29:03,244 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919110800] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:29:03,244 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:29:03,244 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:29:03,244 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380790366]
[2022-01-18 01:29:03,244 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:29:03,245 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:29:03,245 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:29:03,245 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:29:03,245 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:29:03,245 INFO  L87              Difference]: Start difference. First operand 52067 states and 143030 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:05,563 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:29:05,563 INFO  L93              Difference]: Finished difference Result 119285 states and 328598 transitions.
[2022-01-18 01:29:05,563 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-01-18 01:29:05,564 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:29:05,564 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:29:05,814 INFO  L225             Difference]: With dead ends: 119285
[2022-01-18 01:29:05,814 INFO  L226             Difference]: Without dead ends: 119119
[2022-01-18 01:29:05,814 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 534 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=519, Invalid=2031, Unknown=0, NotChecked=0, Total=2550
[2022-01-18 01:29:05,815 INFO  L933         BasicCegarLoop]: 887 mSDtfsCounter, 2949 mSDsluCounter, 11347 mSDsCounter, 0 mSdLazyCounter, 1904 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2949 SdHoareTripleChecker+Valid, 12140 SdHoareTripleChecker+Invalid, 1939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:29:05,815 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2949 Valid, 12140 Invalid, 1939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1904 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:29:06,011 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 119119 states.
[2022-01-18 01:29:07,290 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 119119 to 52031.
[2022-01-18 01:29:07,350 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52031 states, 52030 states have (on average 2.7470882183355756) internal successors, (142931), 52030 states have internal predecessors, (142931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:07,459 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52031 states to 52031 states and 142931 transitions.
[2022-01-18 01:29:07,459 INFO  L78                 Accepts]: Start accepts. Automaton has 52031 states and 142931 transitions. Word has length 163
[2022-01-18 01:29:07,460 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:29:07,460 INFO  L470      AbstractCegarLoop]: Abstraction has 52031 states and 142931 transitions.
[2022-01-18 01:29:07,460 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:07,460 INFO  L276                IsEmpty]: Start isEmpty. Operand 52031 states and 142931 transitions.
[2022-01-18 01:29:07,512 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:29:07,512 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:29:07,512 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]
[2022-01-18 01:29:07,512 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39
[2022-01-18 01:29:07,512 INFO  L402      AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:29:07,512 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:29:07,513 INFO  L85        PathProgramCache]: Analyzing trace with hash 445265544, now seen corresponding path program 40 times
[2022-01-18 01:29:07,513 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:29:07,513 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557960796]
[2022-01-18 01:29:07,513 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:29:07,513 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:29:07,527 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:29:07,761 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:29:07,761 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:29:07,761 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557960796]
[2022-01-18 01:29:07,762 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557960796] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:29:07,762 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:29:07,762 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:29:07,762 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537180160]
[2022-01-18 01:29:07,762 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:29:07,762 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:29:07,762 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:29:07,762 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:29:07,762 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:29:07,763 INFO  L87              Difference]: Start difference. First operand 52031 states and 142931 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:10,247 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:29:10,248 INFO  L93              Difference]: Finished difference Result 119606 states and 329372 transitions.
[2022-01-18 01:29:10,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-01-18 01:29:10,263 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:29:10,264 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:29:10,536 INFO  L225             Difference]: With dead ends: 119606
[2022-01-18 01:29:10,536 INFO  L226             Difference]: Without dead ends: 119232
[2022-01-18 01:29:10,536 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=567, Invalid=2403, Unknown=0, NotChecked=0, Total=2970
[2022-01-18 01:29:10,536 INFO  L933         BasicCegarLoop]: 916 mSDtfsCounter, 3025 mSDsluCounter, 11361 mSDsCounter, 0 mSdLazyCounter, 1993 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3025 SdHoareTripleChecker+Valid, 12172 SdHoareTripleChecker+Invalid, 2027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:29:10,537 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3025 Valid, 12172 Invalid, 2027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1993 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:29:10,723 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 119232 states.
[2022-01-18 01:29:12,033 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 119232 to 51815.
[2022-01-18 01:29:12,088 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51815 states, 51814 states have (on average 2.748388466437642) internal successors, (142405), 51814 states have internal predecessors, (142405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:12,198 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51815 states to 51815 states and 142405 transitions.
[2022-01-18 01:29:12,198 INFO  L78                 Accepts]: Start accepts. Automaton has 51815 states and 142405 transitions. Word has length 163
[2022-01-18 01:29:12,198 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:29:12,199 INFO  L470      AbstractCegarLoop]: Abstraction has 51815 states and 142405 transitions.
[2022-01-18 01:29:12,199 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:12,199 INFO  L276                IsEmpty]: Start isEmpty. Operand 51815 states and 142405 transitions.
[2022-01-18 01:29:12,253 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:29:12,253 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:29:12,254 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]
[2022-01-18 01:29:12,254 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40
[2022-01-18 01:29:12,254 INFO  L402      AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:29:12,254 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:29:12,254 INFO  L85        PathProgramCache]: Analyzing trace with hash 78101186, now seen corresponding path program 41 times
[2022-01-18 01:29:12,254 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:29:12,254 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919356493]
[2022-01-18 01:29:12,254 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:29:12,254 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:29:12,268 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:29:12,512 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:29:12,512 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:29:12,512 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919356493]
[2022-01-18 01:29:12,512 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919356493] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:29:12,513 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:29:12,513 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:29:12,513 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810163842]
[2022-01-18 01:29:12,513 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:29:12,513 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:29:12,513 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:29:12,513 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:29:12,513 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:29:12,513 INFO  L87              Difference]: Start difference. First operand 51815 states and 142405 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:14,705 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:29:14,705 INFO  L93              Difference]: Finished difference Result 125436 states and 345172 transitions.
[2022-01-18 01:29:14,705 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-01-18 01:29:14,705 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:29:14,705 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:29:15,359 INFO  L225             Difference]: With dead ends: 125436
[2022-01-18 01:29:15,359 INFO  L226             Difference]: Without dead ends: 125012
[2022-01-18 01:29:15,359 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 767 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=612, Invalid=2468, Unknown=0, NotChecked=0, Total=3080
[2022-01-18 01:29:15,359 INFO  L933         BasicCegarLoop]: 949 mSDtfsCounter, 3199 mSDsluCounter, 12419 mSDsCounter, 0 mSdLazyCounter, 2343 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3199 SdHoareTripleChecker+Valid, 13243 SdHoareTripleChecker+Invalid, 2377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:29:15,359 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3199 Valid, 13243 Invalid, 2377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2343 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:29:15,549 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 125012 states.
[2022-01-18 01:29:16,869 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 125012 to 51831.
[2022-01-18 01:29:16,922 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51831 states, 51830 states have (on average 2.748311788539456) internal successors, (142445), 51830 states have internal predecessors, (142445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:17,034 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51831 states to 51831 states and 142445 transitions.
[2022-01-18 01:29:17,034 INFO  L78                 Accepts]: Start accepts. Automaton has 51831 states and 142445 transitions. Word has length 163
[2022-01-18 01:29:17,034 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:29:17,034 INFO  L470      AbstractCegarLoop]: Abstraction has 51831 states and 142445 transitions.
[2022-01-18 01:29:17,035 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:17,035 INFO  L276                IsEmpty]: Start isEmpty. Operand 51831 states and 142445 transitions.
[2022-01-18 01:29:17,091 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:29:17,091 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:29:17,092 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]
[2022-01-18 01:29:17,092 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41
[2022-01-18 01:29:17,092 INFO  L402      AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:29:17,092 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:29:17,092 INFO  L85        PathProgramCache]: Analyzing trace with hash 1933257496, now seen corresponding path program 42 times
[2022-01-18 01:29:17,092 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:29:17,092 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649627326]
[2022-01-18 01:29:17,092 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:29:17,093 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:29:17,104 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:29:17,365 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:29:17,365 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:29:17,365 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649627326]
[2022-01-18 01:29:17,365 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649627326] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:29:17,365 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:29:17,365 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:29:17,365 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520633914]
[2022-01-18 01:29:17,365 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:29:17,366 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:29:17,366 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:29:17,366 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:29:17,366 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:29:17,366 INFO  L87              Difference]: Start difference. First operand 51831 states and 142445 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:19,791 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:29:19,792 INFO  L93              Difference]: Finished difference Result 126270 states and 347466 transitions.
[2022-01-18 01:29:19,792 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-01-18 01:29:19,792 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:29:19,792 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:29:20,407 INFO  L225             Difference]: With dead ends: 126270
[2022-01-18 01:29:20,408 INFO  L226             Difference]: Without dead ends: 125865
[2022-01-18 01:29:20,408 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 927 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=676, Invalid=2864, Unknown=0, NotChecked=0, Total=3540
[2022-01-18 01:29:20,408 INFO  L933         BasicCegarLoop]: 949 mSDtfsCounter, 3250 mSDsluCounter, 11817 mSDsCounter, 0 mSdLazyCounter, 2297 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3250 SdHoareTripleChecker+Valid, 12664 SdHoareTripleChecker+Invalid, 2334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:29:20,408 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3250 Valid, 12664 Invalid, 2334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2297 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:29:20,604 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 125865 states.
[2022-01-18 01:29:21,617 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 125865 to 51987.
[2022-01-18 01:29:22,001 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51987 states, 51986 states have (on average 2.7473165852344863) internal successors, (142822), 51986 states have internal predecessors, (142822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:22,121 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51987 states to 51987 states and 142822 transitions.
[2022-01-18 01:29:22,121 INFO  L78                 Accepts]: Start accepts. Automaton has 51987 states and 142822 transitions. Word has length 163
[2022-01-18 01:29:22,121 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:29:22,121 INFO  L470      AbstractCegarLoop]: Abstraction has 51987 states and 142822 transitions.
[2022-01-18 01:29:22,121 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:22,121 INFO  L276                IsEmpty]: Start isEmpty. Operand 51987 states and 142822 transitions.
[2022-01-18 01:29:22,182 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:29:22,182 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:29:22,182 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]
[2022-01-18 01:29:22,182 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42
[2022-01-18 01:29:22,182 INFO  L402      AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:29:22,183 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:29:22,183 INFO  L85        PathProgramCache]: Analyzing trace with hash 885944376, now seen corresponding path program 43 times
[2022-01-18 01:29:22,183 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:29:22,183 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185394096]
[2022-01-18 01:29:22,183 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:29:22,183 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:29:22,199 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:29:22,427 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:29:22,427 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:29:22,427 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185394096]
[2022-01-18 01:29:22,427 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185394096] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:29:22,427 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:29:22,427 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:29:22,427 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757136277]
[2022-01-18 01:29:22,428 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:29:22,428 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:29:22,428 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:29:22,428 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:29:22,428 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:29:22,428 INFO  L87              Difference]: Start difference. First operand 51987 states and 142822 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:24,700 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:29:24,701 INFO  L93              Difference]: Finished difference Result 124887 states and 344066 transitions.
[2022-01-18 01:29:24,701 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2022-01-18 01:29:24,701 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:29:24,701 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:29:24,984 INFO  L225             Difference]: With dead ends: 124887
[2022-01-18 01:29:24,985 INFO  L226             Difference]: Without dead ends: 124748
[2022-01-18 01:29:24,985 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=640, Invalid=2552, Unknown=0, NotChecked=0, Total=3192
[2022-01-18 01:29:24,985 INFO  L933         BasicCegarLoop]: 902 mSDtfsCounter, 2822 mSDsluCounter, 11813 mSDsCounter, 0 mSdLazyCounter, 2179 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2822 SdHoareTripleChecker+Valid, 12615 SdHoareTripleChecker+Invalid, 2225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 2179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:29:24,986 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2822 Valid, 12615 Invalid, 2225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 2179 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:29:25,528 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 124748 states.
[2022-01-18 01:29:26,511 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 124748 to 52035.
[2022-01-18 01:29:26,574 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52035 states, 52034 states have (on average 2.7470884421724255) internal successors, (142942), 52034 states have internal predecessors, (142942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:27,052 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52035 states to 52035 states and 142942 transitions.
[2022-01-18 01:29:27,052 INFO  L78                 Accepts]: Start accepts. Automaton has 52035 states and 142942 transitions. Word has length 163
[2022-01-18 01:29:27,052 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:29:27,052 INFO  L470      AbstractCegarLoop]: Abstraction has 52035 states and 142942 transitions.
[2022-01-18 01:29:27,052 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:27,052 INFO  L276                IsEmpty]: Start isEmpty. Operand 52035 states and 142942 transitions.
[2022-01-18 01:29:27,104 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:29:27,104 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:29:27,104 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]
[2022-01-18 01:29:27,104 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43
[2022-01-18 01:29:27,104 INFO  L402      AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:29:27,105 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:29:27,105 INFO  L85        PathProgramCache]: Analyzing trace with hash 1685563508, now seen corresponding path program 44 times
[2022-01-18 01:29:27,105 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:29:27,105 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695108038]
[2022-01-18 01:29:27,105 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:29:27,105 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:29:27,123 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:29:27,360 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:29:27,361 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:29:27,361 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695108038]
[2022-01-18 01:29:27,361 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695108038] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:29:27,361 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:29:27,361 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:29:27,361 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177634992]
[2022-01-18 01:29:27,361 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:29:27,361 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:29:27,361 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:29:27,362 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:29:27,362 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:29:27,362 INFO  L87              Difference]: Start difference. First operand 52035 states and 142942 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:29,547 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:29:29,547 INFO  L93              Difference]: Finished difference Result 124811 states and 343870 transitions.
[2022-01-18 01:29:29,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2022-01-18 01:29:29,547 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:29:29,548 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:29:29,811 INFO  L225             Difference]: With dead ends: 124811
[2022-01-18 01:29:29,811 INFO  L226             Difference]: Without dead ends: 124645
[2022-01-18 01:29:29,812 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=566, Invalid=2190, Unknown=0, NotChecked=0, Total=2756
[2022-01-18 01:29:29,812 INFO  L933         BasicCegarLoop]: 898 mSDtfsCounter, 2759 mSDsluCounter, 11770 mSDsCounter, 0 mSdLazyCounter, 2150 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2759 SdHoareTripleChecker+Valid, 12574 SdHoareTripleChecker+Invalid, 2184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:29:29,812 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2759 Valid, 12574 Invalid, 2184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2150 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:29:30,376 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 124645 states.
[2022-01-18 01:29:31,358 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 124645 to 51999.
[2022-01-18 01:29:31,418 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51999 states, 51998 states have (on average 2.7470864264010153) internal successors, (142843), 51998 states have internal predecessors, (142843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:31,528 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51999 states to 51999 states and 142843 transitions.
[2022-01-18 01:29:31,528 INFO  L78                 Accepts]: Start accepts. Automaton has 51999 states and 142843 transitions. Word has length 163
[2022-01-18 01:29:31,528 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:29:31,529 INFO  L470      AbstractCegarLoop]: Abstraction has 51999 states and 142843 transitions.
[2022-01-18 01:29:31,529 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:31,529 INFO  L276                IsEmpty]: Start isEmpty. Operand 51999 states and 142843 transitions.
[2022-01-18 01:29:31,972 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:29:31,972 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:29:31,972 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]
[2022-01-18 01:29:31,973 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44
[2022-01-18 01:29:31,973 INFO  L402      AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:29:31,973 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:29:31,973 INFO  L85        PathProgramCache]: Analyzing trace with hash -277478404, now seen corresponding path program 45 times
[2022-01-18 01:29:31,973 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:29:31,973 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622660409]
[2022-01-18 01:29:31,973 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:29:31,974 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:29:32,023 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:29:32,285 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:29:32,285 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:29:32,285 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622660409]
[2022-01-18 01:29:32,285 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622660409] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:29:32,285 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:29:32,285 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:29:32,285 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011442708]
[2022-01-18 01:29:32,285 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:29:32,286 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:29:32,286 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:29:32,286 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:29:32,286 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:29:32,286 INFO  L87              Difference]: Start difference. First operand 51999 states and 142843 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:34,597 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:29:34,598 INFO  L93              Difference]: Finished difference Result 125132 states and 344644 transitions.
[2022-01-18 01:29:34,598 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. 
[2022-01-18 01:29:34,598 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:29:34,598 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:29:34,862 INFO  L225             Difference]: With dead ends: 125132
[2022-01-18 01:29:34,862 INFO  L226             Difference]: Without dead ends: 124794
[2022-01-18 01:29:34,863 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 786 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=625, Invalid=2567, Unknown=0, NotChecked=0, Total=3192
[2022-01-18 01:29:34,863 INFO  L933         BasicCegarLoop]: 927 mSDtfsCounter, 3047 mSDsluCounter, 11539 mSDsCounter, 0 mSdLazyCounter, 2154 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3047 SdHoareTripleChecker+Valid, 12363 SdHoareTripleChecker+Invalid, 2189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:29:34,863 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3047 Valid, 12363 Invalid, 2189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2154 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:29:35,077 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 124794 states.
[2022-01-18 01:29:36,468 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 124794 to 51819.
[2022-01-18 01:29:36,528 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51819 states, 51818 states have (on average 2.7483113975838513) internal successors, (142412), 51818 states have internal predecessors, (142412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:36,644 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51819 states to 51819 states and 142412 transitions.
[2022-01-18 01:29:36,644 INFO  L78                 Accepts]: Start accepts. Automaton has 51819 states and 142412 transitions. Word has length 163
[2022-01-18 01:29:36,644 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:29:36,644 INFO  L470      AbstractCegarLoop]: Abstraction has 51819 states and 142412 transitions.
[2022-01-18 01:29:36,644 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:36,644 INFO  L276                IsEmpty]: Start isEmpty. Operand 51819 states and 142412 transitions.
[2022-01-18 01:29:36,702 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:29:36,702 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:29:36,702 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]
[2022-01-18 01:29:36,702 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45
[2022-01-18 01:29:36,702 INFO  L402      AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:29:36,703 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:29:36,703 INFO  L85        PathProgramCache]: Analyzing trace with hash 981107552, now seen corresponding path program 46 times
[2022-01-18 01:29:36,703 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:29:36,703 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140898653]
[2022-01-18 01:29:36,703 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:29:36,703 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:29:36,727 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:29:36,997 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:29:36,997 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:29:36,997 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140898653]
[2022-01-18 01:29:36,998 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140898653] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:29:36,998 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:29:36,998 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:29:36,998 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369007768]
[2022-01-18 01:29:36,998 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:29:36,998 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:29:36,998 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:29:36,998 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:29:36,999 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:29:36,999 INFO  L87              Difference]: Start difference. First operand 51819 states and 142412 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:39,946 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:29:39,946 INFO  L93              Difference]: Finished difference Result 125410 states and 345250 transitions.
[2022-01-18 01:29:39,946 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-01-18 01:29:39,947 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:29:39,947 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:29:40,223 INFO  L225             Difference]: With dead ends: 125410
[2022-01-18 01:29:40,223 INFO  L226             Difference]: Without dead ends: 125005
[2022-01-18 01:29:40,224 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 992 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=703, Invalid=2957, Unknown=0, NotChecked=0, Total=3660
[2022-01-18 01:29:40,224 INFO  L933         BasicCegarLoop]: 971 mSDtfsCounter, 3379 mSDsluCounter, 11775 mSDsCounter, 0 mSdLazyCounter, 2213 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3379 SdHoareTripleChecker+Valid, 12642 SdHoareTripleChecker+Invalid, 2249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2022-01-18 01:29:40,224 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3379 Valid, 12642 Invalid, 2249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2213 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2022-01-18 01:29:40,450 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 125005 states.
[2022-01-18 01:29:41,809 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 125005 to 52027.
[2022-01-18 01:29:41,868 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52027 states, 52026 states have (on average 2.7473186483681236) internal successors, (142932), 52026 states have internal predecessors, (142932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:41,981 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52027 states to 52027 states and 142932 transitions.
[2022-01-18 01:29:41,981 INFO  L78                 Accepts]: Start accepts. Automaton has 52027 states and 142932 transitions. Word has length 163
[2022-01-18 01:29:41,981 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:29:41,981 INFO  L470      AbstractCegarLoop]: Abstraction has 52027 states and 142932 transitions.
[2022-01-18 01:29:41,981 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:41,981 INFO  L276                IsEmpty]: Start isEmpty. Operand 52027 states and 142932 transitions.
[2022-01-18 01:29:42,039 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:29:42,039 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:29:42,039 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]
[2022-01-18 01:29:42,039 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46
[2022-01-18 01:29:42,040 INFO  L402      AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:29:42,040 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:29:42,040 INFO  L85        PathProgramCache]: Analyzing trace with hash -66205568, now seen corresponding path program 47 times
[2022-01-18 01:29:42,040 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:29:42,040 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919712786]
[2022-01-18 01:29:42,040 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:29:42,040 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:29:42,055 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:29:42,288 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:29:42,289 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:29:42,289 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919712786]
[2022-01-18 01:29:42,289 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919712786] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:29:42,289 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:29:42,289 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:29:42,289 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835183320]
[2022-01-18 01:29:42,289 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:29:42,290 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:29:42,290 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:29:42,290 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:29:42,290 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:29:42,290 INFO  L87              Difference]: Start difference. First operand 52027 states and 142932 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:45,033 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:29:45,034 INFO  L93              Difference]: Finished difference Result 124724 states and 343690 transitions.
[2022-01-18 01:29:45,034 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-01-18 01:29:45,034 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:29:45,034 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:29:45,297 INFO  L225             Difference]: With dead ends: 124724
[2022-01-18 01:29:45,297 INFO  L226             Difference]: Without dead ends: 124585
[2022-01-18 01:29:45,298 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=685, Invalid=2737, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:29:45,299 INFO  L933         BasicCegarLoop]: 923 mSDtfsCounter, 2868 mSDsluCounter, 12104 mSDsCounter, 0 mSdLazyCounter, 2178 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2868 SdHoareTripleChecker+Valid, 12925 SdHoareTripleChecker+Invalid, 2228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:29:45,300 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2868 Valid, 12925 Invalid, 2228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2178 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:29:45,534 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 124585 states.
[2022-01-18 01:29:46,904 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 124585 to 52075.
[2022-01-18 01:29:46,964 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52075 states, 52074 states have (on average 2.747090678649614) internal successors, (143052), 52074 states have internal predecessors, (143052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:47,077 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52075 states to 52075 states and 143052 transitions.
[2022-01-18 01:29:47,077 INFO  L78                 Accepts]: Start accepts. Automaton has 52075 states and 143052 transitions. Word has length 163
[2022-01-18 01:29:47,077 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:29:47,077 INFO  L470      AbstractCegarLoop]: Abstraction has 52075 states and 143052 transitions.
[2022-01-18 01:29:47,077 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:47,077 INFO  L276                IsEmpty]: Start isEmpty. Operand 52075 states and 143052 transitions.
[2022-01-18 01:29:47,130 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:29:47,130 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:29:47,130 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]
[2022-01-18 01:29:47,130 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47
[2022-01-18 01:29:47,130 INFO  L402      AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:29:47,130 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:29:47,130 INFO  L85        PathProgramCache]: Analyzing trace with hash 733413564, now seen corresponding path program 48 times
[2022-01-18 01:29:47,131 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:29:47,131 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581821524]
[2022-01-18 01:29:47,131 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:29:47,131 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:29:47,143 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:29:47,401 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:29:47,401 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:29:47,401 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581821524]
[2022-01-18 01:29:47,402 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581821524] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:29:47,402 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:29:47,402 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:29:47,402 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718803181]
[2022-01-18 01:29:47,402 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:29:47,402 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:29:47,402 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:29:47,402 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:29:47,402 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:29:47,403 INFO  L87              Difference]: Start difference. First operand 52075 states and 143052 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:50,057 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:29:50,057 INFO  L93              Difference]: Finished difference Result 124648 states and 343494 transitions.
[2022-01-18 01:29:50,057 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-01-18 01:29:50,057 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:29:50,057 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:29:50,329 INFO  L225             Difference]: With dead ends: 124648
[2022-01-18 01:29:50,330 INFO  L226             Difference]: Without dead ends: 124482
[2022-01-18 01:29:50,330 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=604, Invalid=2366, Unknown=0, NotChecked=0, Total=2970
[2022-01-18 01:29:50,330 INFO  L933         BasicCegarLoop]: 919 mSDtfsCounter, 2792 mSDsluCounter, 11771 mSDsCounter, 0 mSdLazyCounter, 2134 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2792 SdHoareTripleChecker+Valid, 12598 SdHoareTripleChecker+Invalid, 2171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:29:50,331 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2792 Valid, 12598 Invalid, 2171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2134 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:29:50,547 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 124482 states.
[2022-01-18 01:29:51,934 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 124482 to 52039.
[2022-01-18 01:29:51,998 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52039 states, 52038 states have (on average 2.7470886659748643) internal successors, (142953), 52038 states have internal predecessors, (142953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:52,108 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52039 states to 52039 states and 142953 transitions.
[2022-01-18 01:29:52,108 INFO  L78                 Accepts]: Start accepts. Automaton has 52039 states and 142953 transitions. Word has length 163
[2022-01-18 01:29:52,108 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:29:52,108 INFO  L470      AbstractCegarLoop]: Abstraction has 52039 states and 142953 transitions.
[2022-01-18 01:29:52,109 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:52,109 INFO  L276                IsEmpty]: Start isEmpty. Operand 52039 states and 142953 transitions.
[2022-01-18 01:29:52,155 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:29:52,155 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:29:52,155 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]
[2022-01-18 01:29:52,155 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48
[2022-01-18 01:29:52,155 INFO  L402      AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:29:52,155 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:29:52,156 INFO  L85        PathProgramCache]: Analyzing trace with hash -1229628348, now seen corresponding path program 49 times
[2022-01-18 01:29:52,156 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:29:52,156 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710885962]
[2022-01-18 01:29:52,156 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:29:52,156 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:29:52,169 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:29:52,421 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:29:52,421 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:29:52,421 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710885962]
[2022-01-18 01:29:52,421 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710885962] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:29:52,421 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:29:52,421 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:29:52,421 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407652016]
[2022-01-18 01:29:52,421 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:29:52,422 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:29:52,422 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:29:52,422 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:29:52,422 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:29:52,422 INFO  L87              Difference]: Start difference. First operand 52039 states and 142953 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:55,113 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:29:55,114 INFO  L93              Difference]: Finished difference Result 124969 states and 344268 transitions.
[2022-01-18 01:29:55,114 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-01-18 01:29:55,114 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:29:55,114 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:29:55,397 INFO  L225             Difference]: With dead ends: 124969
[2022-01-18 01:29:55,397 INFO  L226             Difference]: Without dead ends: 124643
[2022-01-18 01:29:55,398 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=689, Invalid=2851, Unknown=0, NotChecked=0, Total=3540
[2022-01-18 01:29:55,398 INFO  L933         BasicCegarLoop]: 944 mSDtfsCounter, 3305 mSDsluCounter, 11394 mSDsCounter, 0 mSdLazyCounter, 2119 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3305 SdHoareTripleChecker+Valid, 12247 SdHoareTripleChecker+Invalid, 2159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 2119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:29:55,398 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3305 Valid, 12247 Invalid, 2159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 2119 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:29:55,628 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 124643 states.
[2022-01-18 01:29:56,982 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 124643 to 51871.
[2022-01-18 01:29:57,042 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51871 states, 51870 states have (on average 2.7473105841526895) internal successors, (142503), 51870 states have internal predecessors, (142503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:57,155 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51871 states to 51871 states and 142503 transitions.
[2022-01-18 01:29:57,155 INFO  L78                 Accepts]: Start accepts. Automaton has 51871 states and 142503 transitions. Word has length 163
[2022-01-18 01:29:57,155 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:29:57,155 INFO  L470      AbstractCegarLoop]: Abstraction has 51871 states and 142503 transitions.
[2022-01-18 01:29:57,155 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:29:57,156 INFO  L276                IsEmpty]: Start isEmpty. Operand 51871 states and 142503 transitions.
[2022-01-18 01:29:57,209 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:29:57,209 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:29:57,209 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]
[2022-01-18 01:29:57,209 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49
[2022-01-18 01:29:57,209 INFO  L402      AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:29:57,210 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:29:57,210 INFO  L85        PathProgramCache]: Analyzing trace with hash -622327840, now seen corresponding path program 50 times
[2022-01-18 01:29:57,210 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:29:57,210 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405414060]
[2022-01-18 01:29:57,210 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:29:57,210 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:29:57,226 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:29:57,456 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:29:57,456 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:29:57,456 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405414060]
[2022-01-18 01:29:57,456 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405414060] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:29:57,456 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:29:57,456 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:29:57,456 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849688178]
[2022-01-18 01:29:57,456 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:29:57,457 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:29:57,457 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:29:57,457 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:29:57,457 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:29:57,457 INFO  L87              Difference]: Start difference. First operand 51871 states and 142503 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:00,092 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:30:00,093 INFO  L93              Difference]: Finished difference Result 123960 states and 341589 transitions.
[2022-01-18 01:30:00,093 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-01-18 01:30:00,093 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:30:00,093 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:30:00,349 INFO  L225             Difference]: With dead ends: 123960
[2022-01-18 01:30:00,350 INFO  L226             Difference]: Without dead ends: 123821
[2022-01-18 01:30:00,350 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 895 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=698, Invalid=2724, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:30:00,350 INFO  L933         BasicCegarLoop]: 917 mSDtfsCounter, 3124 mSDsluCounter, 11213 mSDsCounter, 0 mSdLazyCounter, 2001 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3124 SdHoareTripleChecker+Valid, 12041 SdHoareTripleChecker+Invalid, 2048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:30:00,350 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3124 Valid, 12041 Invalid, 2048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2001 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:30:00,560 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 123821 states.
[2022-01-18 01:30:01,876 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 123821 to 51923.
[2022-01-18 01:30:01,936 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51923 states, 51922 states have (on average 2.747082161704095) internal successors, (142634), 51922 states have internal predecessors, (142634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:02,049 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51923 states to 51923 states and 142634 transitions.
[2022-01-18 01:30:02,049 INFO  L78                 Accepts]: Start accepts. Automaton has 51923 states and 142634 transitions. Word has length 163
[2022-01-18 01:30:02,049 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:30:02,049 INFO  L470      AbstractCegarLoop]: Abstraction has 51923 states and 142634 transitions.
[2022-01-18 01:30:02,049 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:02,049 INFO  L276                IsEmpty]: Start isEmpty. Operand 51923 states and 142634 transitions.
[2022-01-18 01:30:02,101 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:30:02,101 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:30:02,101 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]
[2022-01-18 01:30:02,101 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50
[2022-01-18 01:30:02,102 INFO  L402      AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:30:02,102 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:30:02,102 INFO  L85        PathProgramCache]: Analyzing trace with hash 177291292, now seen corresponding path program 51 times
[2022-01-18 01:30:02,102 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:30:02,102 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589996696]
[2022-01-18 01:30:02,102 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:30:02,102 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:30:02,116 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:30:02,353 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:30:02,353 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:30:02,353 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589996696]
[2022-01-18 01:30:02,353 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589996696] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:30:02,353 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:30:02,354 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:30:02,354 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871309078]
[2022-01-18 01:30:02,354 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:30:02,354 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:30:02,354 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:30:02,354 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:30:02,354 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:30:02,354 INFO  L87              Difference]: Start difference. First operand 51923 states and 142634 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:04,869 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:30:04,869 INFO  L93              Difference]: Finished difference Result 123932 states and 341509 transitions.
[2022-01-18 01:30:04,869 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-01-18 01:30:04,870 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:30:04,870 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:30:05,132 INFO  L225             Difference]: With dead ends: 123932
[2022-01-18 01:30:05,132 INFO  L226             Difference]: Without dead ends: 123766
[2022-01-18 01:30:05,132 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 714 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=609, Invalid=2361, Unknown=0, NotChecked=0, Total=2970
[2022-01-18 01:30:05,133 INFO  L933         BasicCegarLoop]: 913 mSDtfsCounter, 3242 mSDsluCounter, 11194 mSDsCounter, 0 mSdLazyCounter, 1981 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3242 SdHoareTripleChecker+Valid, 12020 SdHoareTripleChecker+Invalid, 2014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:30:05,133 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3242 Valid, 12020 Invalid, 2014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1981 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:30:05,368 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 123766 states.
[2022-01-18 01:30:06,765 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 123766 to 51887.
[2022-01-18 01:30:06,825 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51887 states, 51886 states have (on average 2.747080137223914) internal successors, (142535), 51886 states have internal predecessors, (142535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:06,937 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51887 states to 51887 states and 142535 transitions.
[2022-01-18 01:30:06,937 INFO  L78                 Accepts]: Start accepts. Automaton has 51887 states and 142535 transitions. Word has length 163
[2022-01-18 01:30:06,938 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:30:06,938 INFO  L470      AbstractCegarLoop]: Abstraction has 51887 states and 142535 transitions.
[2022-01-18 01:30:06,938 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:06,938 INFO  L276                IsEmpty]: Start isEmpty. Operand 51887 states and 142535 transitions.
[2022-01-18 01:30:06,994 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:30:06,994 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:30:06,994 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]
[2022-01-18 01:30:06,994 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51
[2022-01-18 01:30:06,994 INFO  L402      AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:30:06,995 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:30:06,995 INFO  L85        PathProgramCache]: Analyzing trace with hash -103438624, now seen corresponding path program 52 times
[2022-01-18 01:30:06,995 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:30:06,995 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327850491]
[2022-01-18 01:30:06,995 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:30:06,995 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:30:07,010 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:30:07,272 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:30:07,272 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:30:07,272 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327850491]
[2022-01-18 01:30:07,272 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327850491] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:30:07,272 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:30:07,272 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:30:07,273 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517065632]
[2022-01-18 01:30:07,273 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:30:07,273 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:30:07,273 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:30:07,273 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:30:07,273 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:30:07,273 INFO  L87              Difference]: Start difference. First operand 51887 states and 142535 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:09,984 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:30:09,984 INFO  L93              Difference]: Finished difference Result 124162 states and 342035 transitions.
[2022-01-18 01:30:09,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-01-18 01:30:09,985 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:30:09,985 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:30:10,285 INFO  L225             Difference]: With dead ends: 124162
[2022-01-18 01:30:10,285 INFO  L226             Difference]: Without dead ends: 123992
[2022-01-18 01:30:10,285 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=679, Invalid=2743, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:30:10,285 INFO  L933         BasicCegarLoop]: 937 mSDtfsCounter, 3169 mSDsluCounter, 11656 mSDsCounter, 0 mSdLazyCounter, 2092 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3169 SdHoareTripleChecker+Valid, 12493 SdHoareTripleChecker+Invalid, 2130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:30:10,286 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3169 Valid, 12493 Invalid, 2130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2092 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:30:10,495 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 123992 states.
[2022-01-18 01:30:11,803 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 123992 to 51875.
[2022-01-18 01:30:11,864 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51875 states, 51874 states have (on average 2.7472336816131397) internal successors, (142510), 51874 states have internal predecessors, (142510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:11,975 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51875 states to 51875 states and 142510 transitions.
[2022-01-18 01:30:11,975 INFO  L78                 Accepts]: Start accepts. Automaton has 51875 states and 142510 transitions. Word has length 163
[2022-01-18 01:30:11,975 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:30:11,975 INFO  L470      AbstractCegarLoop]: Abstraction has 51875 states and 142510 transitions.
[2022-01-18 01:30:11,975 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:11,975 INFO  L276                IsEmpty]: Start isEmpty. Operand 51875 states and 142510 transitions.
[2022-01-18 01:30:12,027 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:30:12,027 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:30:12,028 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]
[2022-01-18 01:30:12,028 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52
[2022-01-18 01:30:12,028 INFO  L402      AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:30:12,028 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:30:12,028 INFO  L85        PathProgramCache]: Analyzing trace with hash -1430445284, now seen corresponding path program 53 times
[2022-01-18 01:30:12,028 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:30:12,028 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663155683]
[2022-01-18 01:30:12,028 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:30:12,028 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:30:12,044 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:30:12,267 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:30:12,267 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:30:12,267 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663155683]
[2022-01-18 01:30:12,267 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663155683] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:30:12,267 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:30:12,267 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:30:12,267 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390774733]
[2022-01-18 01:30:12,267 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:30:12,268 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:30:12,268 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:30:12,268 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:30:12,268 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:30:12,268 INFO  L87              Difference]: Start difference. First operand 51875 states and 142510 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:14,948 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:30:14,948 INFO  L93              Difference]: Finished difference Result 123485 states and 340294 transitions.
[2022-01-18 01:30:14,948 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2022-01-18 01:30:14,948 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:30:14,948 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:30:15,220 INFO  L225             Difference]: With dead ends: 123485
[2022-01-18 01:30:15,220 INFO  L226             Difference]: Without dead ends: 123346
[2022-01-18 01:30:15,220 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 772 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=666, Invalid=2526, Unknown=0, NotChecked=0, Total=3192
[2022-01-18 01:30:15,221 INFO  L933         BasicCegarLoop]: 907 mSDtfsCounter, 2920 mSDsluCounter, 12004 mSDsCounter, 0 mSdLazyCounter, 2082 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2920 SdHoareTripleChecker+Valid, 12810 SdHoareTripleChecker+Invalid, 2136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 2082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:30:15,221 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2920 Valid, 12810 Invalid, 2136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 2082 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:30:15,436 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 123346 states.
[2022-01-18 01:30:16,822 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 123346 to 51923.
[2022-01-18 01:30:16,883 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51923 states, 51922 states have (on average 2.7470051230692194) internal successors, (142630), 51922 states have internal predecessors, (142630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:16,992 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51923 states to 51923 states and 142630 transitions.
[2022-01-18 01:30:16,993 INFO  L78                 Accepts]: Start accepts. Automaton has 51923 states and 142630 transitions. Word has length 163
[2022-01-18 01:30:16,993 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:30:16,993 INFO  L470      AbstractCegarLoop]: Abstraction has 51923 states and 142630 transitions.
[2022-01-18 01:30:16,993 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:16,993 INFO  L276                IsEmpty]: Start isEmpty. Operand 51923 states and 142630 transitions.
[2022-01-18 01:30:17,045 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:30:17,045 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:30:17,045 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]
[2022-01-18 01:30:17,045 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53
[2022-01-18 01:30:17,045 INFO  L402      AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:30:17,046 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:30:17,046 INFO  L85        PathProgramCache]: Analyzing trace with hash -630826152, now seen corresponding path program 54 times
[2022-01-18 01:30:17,046 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:30:17,046 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324678978]
[2022-01-18 01:30:17,046 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:30:17,046 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:30:17,059 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:30:17,299 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:30:17,299 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:30:17,299 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324678978]
[2022-01-18 01:30:17,299 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324678978] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:30:17,299 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:30:17,299 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:30:17,299 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861275143]
[2022-01-18 01:30:17,299 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:30:17,299 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:30:17,300 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:30:17,300 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:30:17,300 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:30:17,300 INFO  L87              Difference]: Start difference. First operand 51923 states and 142630 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:19,943 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:30:19,943 INFO  L93              Difference]: Finished difference Result 123476 states and 340264 transitions.
[2022-01-18 01:30:19,944 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-01-18 01:30:19,944 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:30:19,944 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:30:20,216 INFO  L225             Difference]: With dead ends: 123476
[2022-01-18 01:30:20,217 INFO  L226             Difference]: Without dead ends: 123310
[2022-01-18 01:30:20,217 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=613, Invalid=2467, Unknown=0, NotChecked=0, Total=3080
[2022-01-18 01:30:20,217 INFO  L933         BasicCegarLoop]: 928 mSDtfsCounter, 2871 mSDsluCounter, 12539 mSDsCounter, 0 mSdLazyCounter, 2133 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2871 SdHoareTripleChecker+Valid, 13336 SdHoareTripleChecker+Invalid, 2167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:30:20,217 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2871 Valid, 13336 Invalid, 2167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2133 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:30:20,406 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 123310 states.
[2022-01-18 01:30:21,722 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 123310 to 51887.
[2022-01-18 01:30:21,779 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51887 states, 51886 states have (on average 2.7470030451374168) internal successors, (142531), 51886 states have internal predecessors, (142531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:21,885 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51887 states to 51887 states and 142531 transitions.
[2022-01-18 01:30:21,885 INFO  L78                 Accepts]: Start accepts. Automaton has 51887 states and 142531 transitions. Word has length 163
[2022-01-18 01:30:21,885 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:30:21,885 INFO  L470      AbstractCegarLoop]: Abstraction has 51887 states and 142531 transitions.
[2022-01-18 01:30:21,885 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:21,885 INFO  L276                IsEmpty]: Start isEmpty. Operand 51887 states and 142531 transitions.
[2022-01-18 01:30:21,937 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:30:21,938 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:30:21,938 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]
[2022-01-18 01:30:21,938 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54
[2022-01-18 01:30:21,938 INFO  L402      AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:30:21,938 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:30:21,938 INFO  L85        PathProgramCache]: Analyzing trace with hash -362191136, now seen corresponding path program 55 times
[2022-01-18 01:30:21,938 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:30:21,938 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749360133]
[2022-01-18 01:30:21,939 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:30:21,939 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:30:21,951 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:30:22,195 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:30:22,195 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:30:22,195 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749360133]
[2022-01-18 01:30:22,195 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749360133] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:30:22,195 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:30:22,196 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:30:22,196 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097432763]
[2022-01-18 01:30:22,196 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:30:22,196 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:30:22,196 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:30:22,196 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:30:22,196 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:30:22,196 INFO  L87              Difference]: Start difference. First operand 51887 states and 142531 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:24,767 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:30:24,767 INFO  L93              Difference]: Finished difference Result 123307 states and 339871 transitions.
[2022-01-18 01:30:24,767 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-01-18 01:30:24,768 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:30:24,768 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:30:25,189 INFO  L225             Difference]: With dead ends: 123307
[2022-01-18 01:30:25,189 INFO  L226             Difference]: Without dead ends: 122921
[2022-01-18 01:30:25,189 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=579, Invalid=2391, Unknown=0, NotChecked=0, Total=2970
[2022-01-18 01:30:25,190 INFO  L933         BasicCegarLoop]: 953 mSDtfsCounter, 3086 mSDsluCounter, 11749 mSDsCounter, 0 mSdLazyCounter, 2028 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3086 SdHoareTripleChecker+Valid, 12586 SdHoareTripleChecker+Invalid, 2061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:30:25,190 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3086 Valid, 12586 Invalid, 2061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2028 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:30:25,446 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 122921 states.
[2022-01-18 01:30:26,753 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 122921 to 51647.
[2022-01-18 01:30:26,810 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51647 states, 51646 states have (on average 2.748615575262363) internal successors, (141955), 51646 states have internal predecessors, (141955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:26,918 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51647 states to 51647 states and 141955 transitions.
[2022-01-18 01:30:26,918 INFO  L78                 Accepts]: Start accepts. Automaton has 51647 states and 141955 transitions. Word has length 163
[2022-01-18 01:30:26,918 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:30:26,918 INFO  L470      AbstractCegarLoop]: Abstraction has 51647 states and 141955 transitions.
[2022-01-18 01:30:26,918 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:26,918 INFO  L276                IsEmpty]: Start isEmpty. Operand 51647 states and 141955 transitions.
[2022-01-18 01:30:26,972 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:30:26,972 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:30:26,972 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]
[2022-01-18 01:30:26,972 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55
[2022-01-18 01:30:26,972 INFO  L402      AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:30:26,974 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:30:26,974 INFO  L85        PathProgramCache]: Analyzing trace with hash 1601500704, now seen corresponding path program 56 times
[2022-01-18 01:30:26,974 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:30:26,974 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229202588]
[2022-01-18 01:30:26,974 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:30:26,974 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:30:26,986 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:30:27,269 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:30:27,269 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:30:27,269 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229202588]
[2022-01-18 01:30:27,269 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229202588] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:30:27,269 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:30:27,269 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:30:27,270 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241241899]
[2022-01-18 01:30:27,270 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:30:27,270 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:30:27,270 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:30:27,270 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:30:27,270 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:30:27,271 INFO  L87              Difference]: Start difference. First operand 51647 states and 141955 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:31,193 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:30:31,193 INFO  L93              Difference]: Finished difference Result 126641 states and 349550 transitions.
[2022-01-18 01:30:31,193 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2022-01-18 01:30:31,193 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:30:31,194 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:30:31,461 INFO  L225             Difference]: With dead ends: 126641
[2022-01-18 01:30:31,461 INFO  L226             Difference]: Without dead ends: 125798
[2022-01-18 01:30:31,461 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 963 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1052, Invalid=3640, Unknown=0, NotChecked=0, Total=4692
[2022-01-18 01:30:31,461 INFO  L933         BasicCegarLoop]: 1466 mSDtfsCounter, 5089 mSDsluCounter, 15756 mSDsCounter, 0 mSdLazyCounter, 3345 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5089 SdHoareTripleChecker+Valid, 17105 SdHoareTripleChecker+Invalid, 3394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 3345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2022-01-18 01:30:31,462 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [5089 Valid, 17105 Invalid, 3394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 3345 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2022-01-18 01:30:31,682 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 125798 states.
[2022-01-18 01:30:33,074 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 125798 to 53502.
[2022-01-18 01:30:33,137 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53502 states, 53501 states have (on average 2.7476869591222592) internal successors, (147004), 53501 states have internal predecessors, (147004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:33,255 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53502 states to 53502 states and 147004 transitions.
[2022-01-18 01:30:33,255 INFO  L78                 Accepts]: Start accepts. Automaton has 53502 states and 147004 transitions. Word has length 163
[2022-01-18 01:30:33,256 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:30:33,256 INFO  L470      AbstractCegarLoop]: Abstraction has 53502 states and 147004 transitions.
[2022-01-18 01:30:33,256 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:33,256 INFO  L276                IsEmpty]: Start isEmpty. Operand 53502 states and 147004 transitions.
[2022-01-18 01:30:33,309 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:30:33,310 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:30:33,310 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]
[2022-01-18 01:30:33,310 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56
[2022-01-18 01:30:33,310 INFO  L402      AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:30:33,310 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:30:33,310 INFO  L85        PathProgramCache]: Analyzing trace with hash 464073824, now seen corresponding path program 57 times
[2022-01-18 01:30:33,310 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:30:33,310 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286679010]
[2022-01-18 01:30:33,310 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:30:33,311 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:30:33,323 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:30:33,542 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:30:33,543 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:30:33,543 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286679010]
[2022-01-18 01:30:33,543 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286679010] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:30:33,543 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:30:33,543 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:30:33,543 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839344267]
[2022-01-18 01:30:33,543 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:30:33,543 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:30:33,543 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:30:33,543 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:30:33,543 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:30:33,544 INFO  L87              Difference]: Start difference. First operand 53502 states and 147004 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:35,942 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:30:35,942 INFO  L93              Difference]: Finished difference Result 105459 states and 290853 transitions.
[2022-01-18 01:30:35,942 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-01-18 01:30:35,943 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:30:35,943 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:30:36,217 INFO  L225             Difference]: With dead ends: 105459
[2022-01-18 01:30:36,217 INFO  L226             Difference]: Without dead ends: 105117
[2022-01-18 01:30:36,217 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 603 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=520, Invalid=2236, Unknown=0, NotChecked=0, Total=2756
[2022-01-18 01:30:36,217 INFO  L933         BasicCegarLoop]: 958 mSDtfsCounter, 2929 mSDsluCounter, 11465 mSDsCounter, 0 mSdLazyCounter, 1907 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2929 SdHoareTripleChecker+Valid, 12310 SdHoareTripleChecker+Invalid, 1940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:30:36,217 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2929 Valid, 12310 Invalid, 1940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1907 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:30:36,399 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 105117 states.
[2022-01-18 01:30:37,713 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 105117 to 53390.
[2022-01-18 01:30:37,772 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53390 states, 53389 states have (on average 2.7476071850006556) internal successors, (146692), 53389 states have internal predecessors, (146692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:37,888 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53390 states to 53390 states and 146692 transitions.
[2022-01-18 01:30:37,888 INFO  L78                 Accepts]: Start accepts. Automaton has 53390 states and 146692 transitions. Word has length 163
[2022-01-18 01:30:37,888 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:30:37,888 INFO  L470      AbstractCegarLoop]: Abstraction has 53390 states and 146692 transitions.
[2022-01-18 01:30:37,888 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:37,888 INFO  L276                IsEmpty]: Start isEmpty. Operand 53390 states and 146692 transitions.
[2022-01-18 01:30:37,942 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:30:37,942 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:30:37,942 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]
[2022-01-18 01:30:37,942 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57
[2022-01-18 01:30:37,942 INFO  L402      AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:30:37,942 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:30:37,943 INFO  L85        PathProgramCache]: Analyzing trace with hash -75461088, now seen corresponding path program 58 times
[2022-01-18 01:30:37,943 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:30:37,943 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635469875]
[2022-01-18 01:30:37,943 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:30:37,943 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:30:37,957 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:30:38,190 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:30:38,191 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:30:38,191 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635469875]
[2022-01-18 01:30:38,191 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635469875] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:30:38,191 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:30:38,191 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:30:38,191 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464736377]
[2022-01-18 01:30:38,191 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:30:38,191 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:30:38,191 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:30:38,192 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:30:38,192 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:30:38,192 INFO  L87              Difference]: Start difference. First operand 53390 states and 146692 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:40,585 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:30:40,585 INFO  L93              Difference]: Finished difference Result 133028 states and 366530 transitions.
[2022-01-18 01:30:40,585 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. 
[2022-01-18 01:30:40,586 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:30:40,586 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:30:41,235 INFO  L225             Difference]: With dead ends: 133028
[2022-01-18 01:30:41,235 INFO  L226             Difference]: Without dead ends: 132674
[2022-01-18 01:30:41,236 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 831 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=672, Invalid=2634, Unknown=0, NotChecked=0, Total=3306
[2022-01-18 01:30:41,236 INFO  L933         BasicCegarLoop]: 939 mSDtfsCounter, 3413 mSDsluCounter, 12435 mSDsCounter, 0 mSdLazyCounter, 2257 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3413 SdHoareTripleChecker+Valid, 13236 SdHoareTripleChecker+Invalid, 2285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:30:41,236 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3413 Valid, 13236 Invalid, 2285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2257 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:30:41,446 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 132674 states.
[2022-01-18 01:30:42,839 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 132674 to 54494.
[2022-01-18 01:30:42,892 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54494 states, 54493 states have (on average 2.746701411190428) internal successors, (149676), 54493 states have internal predecessors, (149676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:43,015 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54494 states to 54494 states and 149676 transitions.
[2022-01-18 01:30:43,016 INFO  L78                 Accepts]: Start accepts. Automaton has 54494 states and 149676 transitions. Word has length 163
[2022-01-18 01:30:43,016 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:30:43,016 INFO  L470      AbstractCegarLoop]: Abstraction has 54494 states and 149676 transitions.
[2022-01-18 01:30:43,016 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:43,016 INFO  L276                IsEmpty]: Start isEmpty. Operand 54494 states and 149676 transitions.
[2022-01-18 01:30:43,079 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:30:43,079 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:30:43,079 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]
[2022-01-18 01:30:43,079 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58
[2022-01-18 01:30:43,079 INFO  L402      AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:30:43,080 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:30:43,080 INFO  L85        PathProgramCache]: Analyzing trace with hash -1007631742, now seen corresponding path program 59 times
[2022-01-18 01:30:43,080 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:30:43,080 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646105174]
[2022-01-18 01:30:43,080 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:30:43,080 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:30:43,094 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:30:43,359 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:30:43,359 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:30:43,359 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646105174]
[2022-01-18 01:30:43,359 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646105174] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:30:43,359 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:30:43,359 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:30:43,359 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362680527]
[2022-01-18 01:30:43,359 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:30:43,360 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:30:43,360 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:30:43,360 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:30:43,360 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:30:43,360 INFO  L87              Difference]: Start difference. First operand 54494 states and 149676 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:45,751 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:30:45,752 INFO  L93              Difference]: Finished difference Result 133136 states and 366831 transitions.
[2022-01-18 01:30:45,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-01-18 01:30:45,752 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:30:45,752 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:30:46,420 INFO  L225             Difference]: With dead ends: 133136
[2022-01-18 01:30:46,420 INFO  L226             Difference]: Without dead ends: 132822
[2022-01-18 01:30:46,421 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 857 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=705, Invalid=2717, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:30:46,421 INFO  L933         BasicCegarLoop]: 918 mSDtfsCounter, 3227 mSDsluCounter, 11465 mSDsCounter, 0 mSdLazyCounter, 2123 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3227 SdHoareTripleChecker+Valid, 12264 SdHoareTripleChecker+Invalid, 2160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:30:46,421 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3227 Valid, 12264 Invalid, 2160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2123 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:30:46,623 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 132822 states.
[2022-01-18 01:30:47,973 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 132822 to 54338.
[2022-01-18 01:30:48,028 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54338 states, 54337 states have (on average 2.746691941034654) internal successors, (149247), 54337 states have internal predecessors, (149247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:48,139 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54338 states to 54338 states and 149247 transitions.
[2022-01-18 01:30:48,139 INFO  L78                 Accepts]: Start accepts. Automaton has 54338 states and 149247 transitions. Word has length 163
[2022-01-18 01:30:48,140 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:30:48,140 INFO  L470      AbstractCegarLoop]: Abstraction has 54338 states and 149247 transitions.
[2022-01-18 01:30:48,140 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:48,140 INFO  L276                IsEmpty]: Start isEmpty. Operand 54338 states and 149247 transitions.
[2022-01-18 01:30:48,199 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:30:48,199 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:30:48,199 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]
[2022-01-18 01:30:48,199 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59
[2022-01-18 01:30:48,199 INFO  L402      AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:30:48,200 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:30:48,200 INFO  L85        PathProgramCache]: Analyzing trace with hash 788542230, now seen corresponding path program 60 times
[2022-01-18 01:30:48,200 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:30:48,200 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864720206]
[2022-01-18 01:30:48,200 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:30:48,200 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:30:48,212 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:30:48,451 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:30:48,452 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:30:48,452 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864720206]
[2022-01-18 01:30:48,452 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864720206] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:30:48,452 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:30:48,452 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:30:48,452 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556274662]
[2022-01-18 01:30:48,452 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:30:48,452 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:30:48,452 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:30:48,452 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:30:48,453 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:30:48,453 INFO  L87              Difference]: Start difference. First operand 54338 states and 149247 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:50,887 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:30:50,887 INFO  L93              Difference]: Finished difference Result 135625 states and 373692 transitions.
[2022-01-18 01:30:50,888 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-01-18 01:30:50,888 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:30:50,888 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:30:51,533 INFO  L225             Difference]: With dead ends: 135625
[2022-01-18 01:30:51,534 INFO  L226             Difference]: Without dead ends: 135411
[2022-01-18 01:30:51,534 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 869 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=726, Invalid=2696, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:30:51,534 INFO  L933         BasicCegarLoop]: 915 mSDtfsCounter, 3439 mSDsluCounter, 11782 mSDsCounter, 0 mSdLazyCounter, 2163 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3439 SdHoareTripleChecker+Valid, 12571 SdHoareTripleChecker+Invalid, 2189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:30:51,534 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3439 Valid, 12571 Invalid, 2189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2163 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:30:51,746 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 135411 states.
[2022-01-18 01:30:53,123 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 135411 to 54286.
[2022-01-18 01:30:53,183 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54286 states, 54285 states have (on average 2.746688772220687) internal successors, (149104), 54285 states have internal predecessors, (149104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:53,298 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54286 states to 54286 states and 149104 transitions.
[2022-01-18 01:30:53,298 INFO  L78                 Accepts]: Start accepts. Automaton has 54286 states and 149104 transitions. Word has length 163
[2022-01-18 01:30:53,298 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:30:53,298 INFO  L470      AbstractCegarLoop]: Abstraction has 54286 states and 149104 transitions.
[2022-01-18 01:30:53,298 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:53,298 INFO  L276                IsEmpty]: Start isEmpty. Operand 54286 states and 149104 transitions.
[2022-01-18 01:30:53,353 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:30:53,353 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:30:53,353 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]
[2022-01-18 01:30:53,353 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60
[2022-01-18 01:30:53,353 INFO  L402      AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:30:53,354 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:30:53,354 INFO  L85        PathProgramCache]: Analyzing trace with hash 1226196760, now seen corresponding path program 61 times
[2022-01-18 01:30:53,354 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:30:53,354 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623361761]
[2022-01-18 01:30:53,354 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:30:53,354 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:30:53,367 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:30:53,579 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:30:53,579 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:30:53,579 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623361761]
[2022-01-18 01:30:53,579 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623361761] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:30:53,579 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:30:53,579 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:30:53,579 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987828434]
[2022-01-18 01:30:53,580 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:30:53,580 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:30:53,580 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:30:53,580 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:30:53,580 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:30:53,580 INFO  L87              Difference]: Start difference. First operand 54286 states and 149104 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:56,422 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:30:56,423 INFO  L93              Difference]: Finished difference Result 140463 states and 387035 transitions.
[2022-01-18 01:30:56,423 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-01-18 01:30:56,423 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:30:56,423 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:30:56,725 INFO  L225             Difference]: With dead ends: 140463
[2022-01-18 01:30:56,725 INFO  L226             Difference]: Without dead ends: 139573
[2022-01-18 01:30:56,725 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 925 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=755, Invalid=2785, Unknown=0, NotChecked=0, Total=3540
[2022-01-18 01:30:56,725 INFO  L933         BasicCegarLoop]: 935 mSDtfsCounter, 3425 mSDsluCounter, 11289 mSDsCounter, 0 mSdLazyCounter, 2186 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3425 SdHoareTripleChecker+Valid, 12112 SdHoareTripleChecker+Invalid, 2213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:30:56,726 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3425 Valid, 12112 Invalid, 2213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2186 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:30:56,961 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 139573 states.
[2022-01-18 01:30:58,348 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 139573 to 53610.
[2022-01-18 01:30:58,417 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53610 states, 53609 states have (on average 2.746647018224552) internal successors, (147245), 53609 states have internal predecessors, (147245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:58,549 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53610 states to 53610 states and 147245 transitions.
[2022-01-18 01:30:58,549 INFO  L78                 Accepts]: Start accepts. Automaton has 53610 states and 147245 transitions. Word has length 163
[2022-01-18 01:30:58,549 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:30:58,549 INFO  L470      AbstractCegarLoop]: Abstraction has 53610 states and 147245 transitions.
[2022-01-18 01:30:58,549 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:30:58,549 INFO  L276                IsEmpty]: Start isEmpty. Operand 53610 states and 147245 transitions.
[2022-01-18 01:30:58,610 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:30:58,611 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:30:58,611 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]
[2022-01-18 01:30:58,611 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61
[2022-01-18 01:30:58,611 INFO  L402      AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:30:58,611 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:30:58,612 INFO  L85        PathProgramCache]: Analyzing trace with hash 1350624506, now seen corresponding path program 62 times
[2022-01-18 01:30:58,612 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:30:58,612 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733215969]
[2022-01-18 01:30:58,612 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:30:58,612 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:30:58,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:30:58,873 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:30:58,875 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:30:58,875 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733215969]
[2022-01-18 01:30:58,875 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733215969] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:30:58,875 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:30:58,875 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:30:58,875 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47345130]
[2022-01-18 01:30:58,875 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:30:58,876 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:30:58,876 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:30:58,876 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:30:58,876 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:30:58,877 INFO  L87              Difference]: Start difference. First operand 53610 states and 147245 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:01,675 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:31:01,675 INFO  L93              Difference]: Finished difference Result 141295 states and 389357 transitions.
[2022-01-18 01:31:01,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-01-18 01:31:01,676 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:31:01,676 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:31:02,000 INFO  L225             Difference]: With dead ends: 141295
[2022-01-18 01:31:02,000 INFO  L226             Difference]: Without dead ends: 141025
[2022-01-18 01:31:02,001 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 870 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=726, Invalid=2696, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:31:02,001 INFO  L933         BasicCegarLoop]: 917 mSDtfsCounter, 3297 mSDsluCounter, 11512 mSDsCounter, 0 mSdLazyCounter, 2199 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3297 SdHoareTripleChecker+Valid, 12312 SdHoareTripleChecker+Invalid, 2226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:31:02,001 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3297 Valid, 12312 Invalid, 2226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2199 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:31:02,231 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 141025 states.
[2022-01-18 01:31:03,675 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 141025 to 53558.
[2022-01-18 01:31:03,740 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53558 states, 53557 states have (on average 2.7466437627200926) internal successors, (147102), 53557 states have internal predecessors, (147102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:03,860 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53558 states to 53558 states and 147102 transitions.
[2022-01-18 01:31:03,861 INFO  L78                 Accepts]: Start accepts. Automaton has 53558 states and 147102 transitions. Word has length 163
[2022-01-18 01:31:03,861 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:31:03,861 INFO  L470      AbstractCegarLoop]: Abstraction has 53558 states and 147102 transitions.
[2022-01-18 01:31:03,861 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:03,861 INFO  L276                IsEmpty]: Start isEmpty. Operand 53558 states and 147102 transitions.
[2022-01-18 01:31:03,914 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:31:03,914 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:31:03,914 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]
[2022-01-18 01:31:03,915 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62
[2022-01-18 01:31:03,915 INFO  L402      AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:31:03,915 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:31:03,915 INFO  L85        PathProgramCache]: Analyzing trace with hash 1006058518, now seen corresponding path program 63 times
[2022-01-18 01:31:03,915 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:31:03,915 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390635354]
[2022-01-18 01:31:03,916 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:31:03,916 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:31:03,932 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:31:04,198 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:31:04,198 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:31:04,198 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390635354]
[2022-01-18 01:31:04,199 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390635354] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:31:04,199 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:31:04,199 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:31:04,199 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529548280]
[2022-01-18 01:31:04,199 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:31:04,199 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:31:04,199 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:31:04,199 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:31:04,200 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:31:04,200 INFO  L87              Difference]: Start difference. First operand 53558 states and 147102 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:06,899 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:31:06,899 INFO  L93              Difference]: Finished difference Result 126191 states and 347812 transitions.
[2022-01-18 01:31:06,899 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2022-01-18 01:31:06,901 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:31:06,901 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:31:07,186 INFO  L225             Difference]: With dead ends: 126191
[2022-01-18 01:31:07,187 INFO  L226             Difference]: Without dead ends: 125805
[2022-01-18 01:31:07,187 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 769 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=677, Invalid=2515, Unknown=0, NotChecked=0, Total=3192
[2022-01-18 01:31:07,187 INFO  L933         BasicCegarLoop]: 903 mSDtfsCounter, 3102 mSDsluCounter, 11151 mSDsCounter, 0 mSdLazyCounter, 2010 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3102 SdHoareTripleChecker+Valid, 11940 SdHoareTripleChecker+Invalid, 2038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:31:07,187 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3102 Valid, 11940 Invalid, 2038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2010 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:31:07,391 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 125805 states.
[2022-01-18 01:31:08,783 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 125805 to 53402.
[2022-01-18 01:31:08,846 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53402 states, 53401 states have (on average 2.7473830078088426) internal successors, (146713), 53401 states have internal predecessors, (146713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:08,970 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53402 states to 53402 states and 146713 transitions.
[2022-01-18 01:31:08,970 INFO  L78                 Accepts]: Start accepts. Automaton has 53402 states and 146713 transitions. Word has length 163
[2022-01-18 01:31:08,971 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:31:08,971 INFO  L470      AbstractCegarLoop]: Abstraction has 53402 states and 146713 transitions.
[2022-01-18 01:31:08,971 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:08,971 INFO  L276                IsEmpty]: Start isEmpty. Operand 53402 states and 146713 transitions.
[2022-01-18 01:31:09,028 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:31:09,028 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:31:09,028 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]
[2022-01-18 01:31:09,028 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63
[2022-01-18 01:31:09,028 INFO  L402      AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:31:09,029 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:31:09,029 INFO  L85        PathProgramCache]: Analyzing trace with hash 106116924, now seen corresponding path program 64 times
[2022-01-18 01:31:09,029 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:31:09,029 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176952928]
[2022-01-18 01:31:09,029 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:31:09,029 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:31:09,041 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:31:09,269 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:31:09,270 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:31:09,270 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176952928]
[2022-01-18 01:31:09,270 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176952928] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:31:09,270 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:31:09,270 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:31:09,270 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489869168]
[2022-01-18 01:31:09,270 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:31:09,270 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:31:09,270 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:31:09,270 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:31:09,270 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:31:09,271 INFO  L87              Difference]: Start difference. First operand 53402 states and 146713 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:12,028 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:31:12,029 INFO  L93              Difference]: Finished difference Result 131368 states and 361962 transitions.
[2022-01-18 01:31:12,043 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2022-01-18 01:31:12,043 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:31:12,044 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:31:12,345 INFO  L225             Difference]: With dead ends: 131368
[2022-01-18 01:31:12,345 INFO  L226             Difference]: Without dead ends: 131014
[2022-01-18 01:31:12,346 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 809 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=660, Invalid=2646, Unknown=0, NotChecked=0, Total=3306
[2022-01-18 01:31:12,346 INFO  L933         BasicCegarLoop]: 915 mSDtfsCounter, 3938 mSDsluCounter, 11373 mSDsCounter, 0 mSdLazyCounter, 2185 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3938 SdHoareTripleChecker+Valid, 12160 SdHoareTripleChecker+Invalid, 2213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:31:12,346 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3938 Valid, 12160 Invalid, 2213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2185 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:31:12,554 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 131014 states.
[2022-01-18 01:31:13,915 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 131014 to 54342.
[2022-01-18 01:31:13,977 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54342 states, 54341 states have (on average 2.7464713568024144) internal successors, (149246), 54341 states have internal predecessors, (149246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:14,100 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54342 states to 54342 states and 149246 transitions.
[2022-01-18 01:31:14,100 INFO  L78                 Accepts]: Start accepts. Automaton has 54342 states and 149246 transitions. Word has length 163
[2022-01-18 01:31:14,100 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:31:14,100 INFO  L470      AbstractCegarLoop]: Abstraction has 54342 states and 149246 transitions.
[2022-01-18 01:31:14,101 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:14,101 INFO  L276                IsEmpty]: Start isEmpty. Operand 54342 states and 149246 transitions.
[2022-01-18 01:31:14,157 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:31:14,158 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:31:14,158 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]
[2022-01-18 01:31:14,158 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64
[2022-01-18 01:31:14,158 INFO  L402      AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:31:14,158 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:31:14,158 INFO  L85        PathProgramCache]: Analyzing trace with hash -826053730, now seen corresponding path program 65 times
[2022-01-18 01:31:14,158 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:31:14,158 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430127807]
[2022-01-18 01:31:14,159 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:31:14,159 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:31:14,171 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:31:14,388 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:31:14,388 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:31:14,388 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430127807]
[2022-01-18 01:31:14,388 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430127807] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:31:14,388 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:31:14,388 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:31:14,388 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797431538]
[2022-01-18 01:31:14,388 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:31:14,388 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:31:14,388 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:31:14,389 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:31:14,389 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:31:14,389 INFO  L87              Difference]: Start difference. First operand 54342 states and 149246 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:17,134 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:31:17,135 INFO  L93              Difference]: Finished difference Result 131476 states and 362263 transitions.
[2022-01-18 01:31:17,147 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. 
[2022-01-18 01:31:17,147 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:31:17,148 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:31:17,454 INFO  L225             Difference]: With dead ends: 131476
[2022-01-18 01:31:17,454 INFO  L226             Difference]: Without dead ends: 131162
[2022-01-18 01:31:17,454 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 834 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=695, Invalid=2727, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:31:17,455 INFO  L933         BasicCegarLoop]: 894 mSDtfsCounter, 3413 mSDsluCounter, 10984 mSDsCounter, 0 mSdLazyCounter, 2160 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3413 SdHoareTripleChecker+Valid, 11760 SdHoareTripleChecker+Invalid, 2198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:31:17,455 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3413 Valid, 11760 Invalid, 2198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2160 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:31:17,656 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 131162 states.
[2022-01-18 01:31:19,003 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 131162 to 54186.
[2022-01-18 01:31:19,064 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54186 states, 54185 states have (on average 2.7464611977484545) internal successors, (148817), 54185 states have internal predecessors, (148817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:19,178 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54186 states to 54186 states and 148817 transitions.
[2022-01-18 01:31:19,178 INFO  L78                 Accepts]: Start accepts. Automaton has 54186 states and 148817 transitions. Word has length 163
[2022-01-18 01:31:19,179 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:31:19,179 INFO  L470      AbstractCegarLoop]: Abstraction has 54186 states and 148817 transitions.
[2022-01-18 01:31:19,179 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:19,179 INFO  L276                IsEmpty]: Start isEmpty. Operand 54186 states and 148817 transitions.
[2022-01-18 01:31:19,234 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:31:19,234 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:31:19,234 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]
[2022-01-18 01:31:19,234 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65
[2022-01-18 01:31:19,234 INFO  L402      AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:31:19,235 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:31:19,235 INFO  L85        PathProgramCache]: Analyzing trace with hash 970120242, now seen corresponding path program 66 times
[2022-01-18 01:31:19,235 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:31:19,235 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871714844]
[2022-01-18 01:31:19,235 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:31:19,235 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:31:19,250 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:31:19,476 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:31:19,476 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:31:19,476 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871714844]
[2022-01-18 01:31:19,476 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871714844] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:31:19,476 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:31:19,476 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:31:19,476 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554538673]
[2022-01-18 01:31:19,476 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:31:19,477 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:31:19,477 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:31:19,477 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:31:19,477 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:31:19,477 INFO  L87              Difference]: Start difference. First operand 54186 states and 148817 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:22,295 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:31:22,295 INFO  L93              Difference]: Finished difference Result 133965 states and 369124 transitions.
[2022-01-18 01:31:22,295 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. 
[2022-01-18 01:31:22,296 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:31:22,296 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:31:22,619 INFO  L225             Difference]: With dead ends: 133965
[2022-01-18 01:31:22,619 INFO  L226             Difference]: Without dead ends: 133751
[2022-01-18 01:31:22,619 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=716, Invalid=2706, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:31:22,619 INFO  L933         BasicCegarLoop]: 891 mSDtfsCounter, 3274 mSDsluCounter, 11507 mSDsCounter, 0 mSdLazyCounter, 2292 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3274 SdHoareTripleChecker+Valid, 12272 SdHoareTripleChecker+Invalid, 2316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:31:22,620 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3274 Valid, 12272 Invalid, 2316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2292 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:31:22,821 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 133751 states.
[2022-01-18 01:31:24,158 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 133751 to 54134.
[2022-01-18 01:31:24,218 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54134 states, 54133 states have (on average 2.746457798385458) internal successors, (148674), 54133 states have internal predecessors, (148674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:24,330 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54134 states to 54134 states and 148674 transitions.
[2022-01-18 01:31:24,330 INFO  L78                 Accepts]: Start accepts. Automaton has 54134 states and 148674 transitions. Word has length 163
[2022-01-18 01:31:24,331 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:31:24,331 INFO  L470      AbstractCegarLoop]: Abstraction has 54134 states and 148674 transitions.
[2022-01-18 01:31:24,331 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:24,331 INFO  L276                IsEmpty]: Start isEmpty. Operand 54134 states and 148674 transitions.
[2022-01-18 01:31:24,384 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:31:24,384 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:31:24,384 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]
[2022-01-18 01:31:24,384 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66
[2022-01-18 01:31:24,384 INFO  L402      AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:31:24,385 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:31:24,385 INFO  L85        PathProgramCache]: Analyzing trace with hash 1407774772, now seen corresponding path program 67 times
[2022-01-18 01:31:24,385 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:31:24,385 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905070472]
[2022-01-18 01:31:24,385 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:31:24,385 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:31:24,396 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:31:24,666 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:31:24,667 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:31:24,667 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905070472]
[2022-01-18 01:31:24,667 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905070472] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:31:24,667 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:31:24,667 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20
[2022-01-18 01:31:24,667 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908348357]
[2022-01-18 01:31:24,667 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:31:24,667 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2022-01-18 01:31:24,667 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:31:24,667 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2022-01-18 01:31:24,667 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380
[2022-01-18 01:31:24,667 INFO  L87              Difference]: Start difference. First operand 54134 states and 148674 transitions. Second operand  has 20 states, 20 states have (on average 8.15) internal successors, (163), 20 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:28,204 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:31:28,205 INFO  L93              Difference]: Finished difference Result 180404 states and 498399 transitions.
[2022-01-18 01:31:28,205 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-01-18 01:31:28,205 INFO  L78                 Accepts]: Start accepts. Automaton has  has 20 states, 20 states have (on average 8.15) internal successors, (163), 20 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:31:28,205 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:31:28,608 INFO  L225             Difference]: With dead ends: 180404
[2022-01-18 01:31:28,608 INFO  L226             Difference]: Without dead ends: 179458
[2022-01-18 01:31:28,608 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 849 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=861, Invalid=2679, Unknown=0, NotChecked=0, Total=3540
[2022-01-18 01:31:28,609 INFO  L933         BasicCegarLoop]: 842 mSDtfsCounter, 4443 mSDsluCounter, 11737 mSDsCounter, 0 mSdLazyCounter, 2780 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4443 SdHoareTripleChecker+Valid, 12466 SdHoareTripleChecker+Invalid, 2850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 2780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2022-01-18 01:31:28,609 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [4443 Valid, 12466 Invalid, 2850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 2780 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2022-01-18 01:31:28,911 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 179458 states.
[2022-01-18 01:31:30,565 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 179458 to 53406.
[2022-01-18 01:31:30,627 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53406 states, 53405 states have (on average 2.747308304465874) internal successors, (146720), 53405 states have internal predecessors, (146720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:30,739 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53406 states to 53406 states and 146720 transitions.
[2022-01-18 01:31:30,740 INFO  L78                 Accepts]: Start accepts. Automaton has 53406 states and 146720 transitions. Word has length 163
[2022-01-18 01:31:30,740 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:31:30,740 INFO  L470      AbstractCegarLoop]: Abstraction has 53406 states and 146720 transitions.
[2022-01-18 01:31:30,740 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 20 states, 20 states have (on average 8.15) internal successors, (163), 20 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:30,740 INFO  L276                IsEmpty]: Start isEmpty. Operand 53406 states and 146720 transitions.
[2022-01-18 01:31:30,790 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:31:30,790 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:31:30,790 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]
[2022-01-18 01:31:30,790 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67
[2022-01-18 01:31:30,790 INFO  L402      AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:31:30,791 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:31:30,791 INFO  L85        PathProgramCache]: Analyzing trace with hash 1390102954, now seen corresponding path program 68 times
[2022-01-18 01:31:30,791 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:31:30,791 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779856588]
[2022-01-18 01:31:30,791 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:31:30,791 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:31:30,801 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:31:31,032 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:31:31,032 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:31:31,032 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779856588]
[2022-01-18 01:31:31,033 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779856588] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:31:31,033 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:31:31,033 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:31:31,033 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054548146]
[2022-01-18 01:31:31,033 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:31:31,033 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:31:31,033 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:31:31,035 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:31:31,035 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:31:31,035 INFO  L87              Difference]: Start difference. First operand 53406 states and 146720 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:33,628 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:31:33,628 INFO  L93              Difference]: Finished difference Result 126864 states and 349590 transitions.
[2022-01-18 01:31:33,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2022-01-18 01:31:33,628 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:31:33,628 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:31:33,884 INFO  L225             Difference]: With dead ends: 126864
[2022-01-18 01:31:33,884 INFO  L226             Difference]: Without dead ends: 126510
[2022-01-18 01:31:33,885 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 824 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=644, Invalid=2662, Unknown=0, NotChecked=0, Total=3306
[2022-01-18 01:31:33,885 INFO  L933         BasicCegarLoop]: 933 mSDtfsCounter, 3474 mSDsluCounter, 11437 mSDsCounter, 0 mSdLazyCounter, 2211 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3474 SdHoareTripleChecker+Valid, 12250 SdHoareTripleChecker+Invalid, 2234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:31:33,885 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3474 Valid, 12250 Invalid, 2234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 2211 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:31:34,088 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 126510 states.
[2022-01-18 01:31:35,365 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 126510 to 54342.
[2022-01-18 01:31:35,427 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54342 states, 54341 states have (on average 2.746397747557093) internal successors, (149242), 54341 states have internal predecessors, (149242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:35,543 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54342 states to 54342 states and 149242 transitions.
[2022-01-18 01:31:35,544 INFO  L78                 Accepts]: Start accepts. Automaton has 54342 states and 149242 transitions. Word has length 163
[2022-01-18 01:31:35,544 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:31:35,544 INFO  L470      AbstractCegarLoop]: Abstraction has 54342 states and 149242 transitions.
[2022-01-18 01:31:35,544 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:35,544 INFO  L276                IsEmpty]: Start isEmpty. Operand 54342 states and 149242 transitions.
[2022-01-18 01:31:35,595 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:31:35,595 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:31:35,595 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]
[2022-01-18 01:31:35,595 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68
[2022-01-18 01:31:35,595 INFO  L402      AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:31:35,595 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:31:35,596 INFO  L85        PathProgramCache]: Analyzing trace with hash 457932300, now seen corresponding path program 69 times
[2022-01-18 01:31:35,596 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:31:35,596 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314392080]
[2022-01-18 01:31:35,596 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:31:35,596 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:31:35,606 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:31:35,874 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:31:35,874 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:31:35,874 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314392080]
[2022-01-18 01:31:35,874 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314392080] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:31:35,874 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:31:35,874 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:31:35,875 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247656786]
[2022-01-18 01:31:35,875 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:31:35,875 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:31:35,875 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:31:35,875 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:31:35,875 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:31:35,876 INFO  L87              Difference]: Start difference. First operand 54342 states and 149242 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:38,482 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:31:38,482 INFO  L93              Difference]: Finished difference Result 126972 states and 349891 transitions.
[2022-01-18 01:31:38,482 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. 
[2022-01-18 01:31:38,482 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:31:38,482 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:31:38,743 INFO  L225             Difference]: With dead ends: 126972
[2022-01-18 01:31:38,744 INFO  L226             Difference]: Without dead ends: 126658
[2022-01-18 01:31:38,744 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 849 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=682, Invalid=2740, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:31:38,744 INFO  L933         BasicCegarLoop]: 912 mSDtfsCounter, 3004 mSDsluCounter, 11422 mSDsCounter, 0 mSdLazyCounter, 2212 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3004 SdHoareTripleChecker+Valid, 12216 SdHoareTripleChecker+Invalid, 2240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:31:38,744 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3004 Valid, 12216 Invalid, 2240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2212 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:31:38,952 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 126658 states.
[2022-01-18 01:31:40,238 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 126658 to 54186.
[2022-01-18 01:31:40,302 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54186 states, 54185 states have (on average 2.7463873765802345) internal successors, (148813), 54185 states have internal predecessors, (148813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:40,421 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54186 states to 54186 states and 148813 transitions.
[2022-01-18 01:31:40,421 INFO  L78                 Accepts]: Start accepts. Automaton has 54186 states and 148813 transitions. Word has length 163
[2022-01-18 01:31:40,421 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:31:40,421 INFO  L470      AbstractCegarLoop]: Abstraction has 54186 states and 148813 transitions.
[2022-01-18 01:31:40,421 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:40,421 INFO  L276                IsEmpty]: Start isEmpty. Operand 54186 states and 148813 transitions.
[2022-01-18 01:31:40,471 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:31:40,471 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:31:40,471 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]
[2022-01-18 01:31:40,471 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69
[2022-01-18 01:31:40,471 INFO  L402      AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:31:40,471 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:31:40,471 INFO  L85        PathProgramCache]: Analyzing trace with hash -2040861024, now seen corresponding path program 70 times
[2022-01-18 01:31:40,471 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:31:40,471 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009571860]
[2022-01-18 01:31:40,472 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:31:40,472 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:31:40,482 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:31:40,742 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:31:40,742 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:31:40,742 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009571860]
[2022-01-18 01:31:40,742 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009571860] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:31:40,742 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:31:40,743 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:31:40,743 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109461357]
[2022-01-18 01:31:40,743 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:31:40,743 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:31:40,743 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:31:40,743 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:31:40,743 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:31:40,744 INFO  L87              Difference]: Start difference. First operand 54186 states and 148813 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:43,448 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:31:43,449 INFO  L93              Difference]: Finished difference Result 129461 states and 356752 transitions.
[2022-01-18 01:31:43,449 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. 
[2022-01-18 01:31:43,449 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:31:43,449 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:31:43,732 INFO  L225             Difference]: With dead ends: 129461
[2022-01-18 01:31:43,732 INFO  L226             Difference]: Without dead ends: 129247
[2022-01-18 01:31:43,732 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 863 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=703, Invalid=2719, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:31:43,732 INFO  L933         BasicCegarLoop]: 909 mSDtfsCounter, 2885 mSDsluCounter, 11992 mSDsCounter, 0 mSdLazyCounter, 2360 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2885 SdHoareTripleChecker+Valid, 12775 SdHoareTripleChecker+Invalid, 2383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2022-01-18 01:31:43,733 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2885 Valid, 12775 Invalid, 2383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 2360 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2022-01-18 01:31:43,948 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 129247 states.
[2022-01-18 01:31:45,274 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 129247 to 54134.
[2022-01-18 01:31:45,338 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54134 states, 54133 states have (on average 2.7463839063048416) internal successors, (148670), 54133 states have internal predecessors, (148670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:45,468 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54134 states to 54134 states and 148670 transitions.
[2022-01-18 01:31:45,468 INFO  L78                 Accepts]: Start accepts. Automaton has 54134 states and 148670 transitions. Word has length 163
[2022-01-18 01:31:45,468 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:31:45,468 INFO  L470      AbstractCegarLoop]: Abstraction has 54134 states and 148670 transitions.
[2022-01-18 01:31:45,468 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:45,468 INFO  L276                IsEmpty]: Start isEmpty. Operand 54134 states and 148670 transitions.
[2022-01-18 01:31:45,526 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:31:45,527 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:31:45,527 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]
[2022-01-18 01:31:45,527 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70
[2022-01-18 01:31:45,527 INFO  L402      AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:31:45,527 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:31:45,527 INFO  L85        PathProgramCache]: Analyzing trace with hash -1603206494, now seen corresponding path program 71 times
[2022-01-18 01:31:45,527 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:31:45,527 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701011720]
[2022-01-18 01:31:45,528 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:31:45,528 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:31:45,539 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:31:45,752 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:31:45,753 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:31:45,753 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701011720]
[2022-01-18 01:31:45,753 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701011720] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:31:45,753 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:31:45,753 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:31:45,753 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125642062]
[2022-01-18 01:31:45,753 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:31:45,753 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:31:45,753 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:31:45,754 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:31:45,754 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:31:45,754 INFO  L87              Difference]: Start difference. First operand 54134 states and 148670 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:48,452 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:31:48,453 INFO  L93              Difference]: Finished difference Result 123387 states and 340112 transitions.
[2022-01-18 01:31:48,453 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2022-01-18 01:31:48,453 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:31:48,453 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:31:48,740 INFO  L225             Difference]: With dead ends: 123387
[2022-01-18 01:31:48,740 INFO  L226             Difference]: Without dead ends: 122497
[2022-01-18 01:31:48,741 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 817 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=681, Invalid=2625, Unknown=0, NotChecked=0, Total=3306
[2022-01-18 01:31:48,741 INFO  L933         BasicCegarLoop]: 928 mSDtfsCounter, 2839 mSDsluCounter, 11434 mSDsCounter, 0 mSdLazyCounter, 2266 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2839 SdHoareTripleChecker+Valid, 12246 SdHoareTripleChecker+Invalid, 2290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2022-01-18 01:31:48,741 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2839 Valid, 12246 Invalid, 2290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2266 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2022-01-18 01:31:48,961 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 122497 states.
[2022-01-18 01:31:50,349 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 122497 to 53458.
[2022-01-18 01:31:50,413 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53458 states, 53457 states have (on average 2.7463381783489536) internal successors, (146811), 53457 states have internal predecessors, (146811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:50,530 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53458 states to 53458 states and 146811 transitions.
[2022-01-18 01:31:50,530 INFO  L78                 Accepts]: Start accepts. Automaton has 53458 states and 146811 transitions. Word has length 163
[2022-01-18 01:31:50,531 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:31:50,531 INFO  L470      AbstractCegarLoop]: Abstraction has 53458 states and 146811 transitions.
[2022-01-18 01:31:50,531 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:50,531 INFO  L276                IsEmpty]: Start isEmpty. Operand 53458 states and 146811 transitions.
[2022-01-18 01:31:50,581 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:31:50,581 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:31:50,581 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]
[2022-01-18 01:31:50,581 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71
[2022-01-18 01:31:50,581 INFO  L402      AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:31:50,582 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:31:50,582 INFO  L85        PathProgramCache]: Analyzing trace with hash 186053644, now seen corresponding path program 72 times
[2022-01-18 01:31:50,582 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:31:50,582 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324882762]
[2022-01-18 01:31:50,582 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:31:50,582 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:31:50,593 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:31:50,814 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:31:50,815 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:31:50,815 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324882762]
[2022-01-18 01:31:50,815 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324882762] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:31:50,815 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:31:50,815 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:31:50,815 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368802220]
[2022-01-18 01:31:50,815 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:31:50,815 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:31:50,815 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:31:50,815 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:31:50,815 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:31:50,816 INFO  L87              Difference]: Start difference. First operand 53458 states and 146811 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:53,038 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:31:53,038 INFO  L93              Difference]: Finished difference Result 110240 states and 303735 transitions.
[2022-01-18 01:31:53,039 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. 
[2022-01-18 01:31:53,039 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:31:53,039 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:31:53,271 INFO  L225             Difference]: With dead ends: 110240
[2022-01-18 01:31:53,271 INFO  L226             Difference]: Without dead ends: 109870
[2022-01-18 01:31:53,271 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=471, Invalid=1979, Unknown=0, NotChecked=0, Total=2450
[2022-01-18 01:31:53,272 INFO  L933         BasicCegarLoop]: 856 mSDtfsCounter, 3388 mSDsluCounter, 10356 mSDsCounter, 0 mSdLazyCounter, 1970 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3388 SdHoareTripleChecker+Valid, 11101 SdHoareTripleChecker+Invalid, 1996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:31:53,272 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3388 Valid, 11101 Invalid, 1996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1970 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:31:53,446 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 109870 states.
[2022-01-18 01:31:54,780 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 109870 to 53474.
[2022-01-18 01:31:54,845 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53474 states, 53473 states have (on average 2.7462644699193985) internal successors, (146851), 53473 states have internal predecessors, (146851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:54,969 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53474 states to 53474 states and 146851 transitions.
[2022-01-18 01:31:54,969 INFO  L78                 Accepts]: Start accepts. Automaton has 53474 states and 146851 transitions. Word has length 163
[2022-01-18 01:31:54,969 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:31:54,970 INFO  L470      AbstractCegarLoop]: Abstraction has 53474 states and 146851 transitions.
[2022-01-18 01:31:54,970 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:54,970 INFO  L276                IsEmpty]: Start isEmpty. Operand 53474 states and 146851 transitions.
[2022-01-18 01:31:55,026 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:31:55,026 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:31:55,027 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]
[2022-01-18 01:31:55,027 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72
[2022-01-18 01:31:55,027 INFO  L402      AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:31:55,027 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:31:55,027 INFO  L85        PathProgramCache]: Analyzing trace with hash -718750256, now seen corresponding path program 73 times
[2022-01-18 01:31:55,027 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:31:55,027 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876777844]
[2022-01-18 01:31:55,027 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:31:55,027 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:31:55,040 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:31:55,303 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:31:55,303 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:31:55,303 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876777844]
[2022-01-18 01:31:55,303 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876777844] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:31:55,303 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:31:55,304 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:31:55,304 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745984772]
[2022-01-18 01:31:55,304 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:31:55,304 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:31:55,304 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:31:55,304 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:31:55,304 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:31:55,305 INFO  L87              Difference]: Start difference. First operand 53474 states and 146851 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:57,908 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:31:57,908 INFO  L93              Difference]: Finished difference Result 111389 states and 306763 transitions.
[2022-01-18 01:31:57,913 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2022-01-18 01:31:57,913 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:31:57,913 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:31:58,175 INFO  L225             Difference]: With dead ends: 111389
[2022-01-18 01:31:58,175 INFO  L226             Difference]: Without dead ends: 111035
[2022-01-18 01:31:58,175 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 651 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=531, Invalid=2331, Unknown=0, NotChecked=0, Total=2862
[2022-01-18 01:31:58,175 INFO  L933         BasicCegarLoop]: 859 mSDtfsCounter, 3347 mSDsluCounter, 10205 mSDsCounter, 0 mSdLazyCounter, 1989 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3347 SdHoareTripleChecker+Valid, 10961 SdHoareTripleChecker+Invalid, 2022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:31:58,175 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3347 Valid, 10961 Invalid, 2022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1989 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:31:58,345 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 111035 states.
[2022-01-18 01:31:59,687 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 111035 to 53630.
[2022-01-18 01:31:59,743 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53630 states, 53629 states have (on average 2.7453057114620822) internal successors, (147228), 53629 states have internal predecessors, (147228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:59,856 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53630 states to 53630 states and 147228 transitions.
[2022-01-18 01:31:59,856 INFO  L78                 Accepts]: Start accepts. Automaton has 53630 states and 147228 transitions. Word has length 163
[2022-01-18 01:31:59,856 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:31:59,856 INFO  L470      AbstractCegarLoop]: Abstraction has 53630 states and 147228 transitions.
[2022-01-18 01:31:59,856 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:31:59,856 INFO  L276                IsEmpty]: Start isEmpty. Operand 53630 states and 147228 transitions.
[2022-01-18 01:31:59,908 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:31:59,908 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:31:59,908 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]
[2022-01-18 01:31:59,909 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73
[2022-01-18 01:31:59,909 INFO  L402      AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:31:59,909 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:31:59,909 INFO  L85        PathProgramCache]: Analyzing trace with hash -1650920910, now seen corresponding path program 74 times
[2022-01-18 01:31:59,909 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:31:59,909 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919809231]
[2022-01-18 01:31:59,909 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:31:59,909 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:31:59,921 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:32:00,133 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:32:00,133 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:32:00,133 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919809231]
[2022-01-18 01:32:00,133 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919809231] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:32:00,133 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:32:00,133 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:32:00,133 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661982001]
[2022-01-18 01:32:00,133 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:32:00,134 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:32:00,134 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:32:00,134 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:32:00,134 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:32:00,134 INFO  L87              Difference]: Start difference. First operand 53630 states and 147228 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:02,207 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:32:02,208 INFO  L93              Difference]: Finished difference Result 110488 states and 304481 transitions.
[2022-01-18 01:32:02,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2022-01-18 01:32:02,208 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:32:02,208 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:32:02,451 INFO  L225             Difference]: With dead ends: 110488
[2022-01-18 01:32:02,451 INFO  L226             Difference]: Without dead ends: 110162
[2022-01-18 01:32:02,452 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=528, Invalid=2228, Unknown=0, NotChecked=0, Total=2756
[2022-01-18 01:32:02,452 INFO  L933         BasicCegarLoop]: 837 mSDtfsCounter, 2716 mSDsluCounter, 10693 mSDsCounter, 0 mSdLazyCounter, 2008 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2716 SdHoareTripleChecker+Valid, 11415 SdHoareTripleChecker+Invalid, 2039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:32:02,452 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2716 Valid, 11415 Invalid, 2039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2008 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:32:03,017 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 110162 states.
[2022-01-18 01:32:03,996 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 110162 to 53462.
[2022-01-18 01:32:04,060 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53462 states, 53461 states have (on average 2.746263631432259) internal successors, (146818), 53461 states have internal predecessors, (146818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:04,175 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53462 states to 53462 states and 146818 transitions.
[2022-01-18 01:32:04,175 INFO  L78                 Accepts]: Start accepts. Automaton has 53462 states and 146818 transitions. Word has length 163
[2022-01-18 01:32:04,175 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:32:04,175 INFO  L470      AbstractCegarLoop]: Abstraction has 53462 states and 146818 transitions.
[2022-01-18 01:32:04,175 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:04,175 INFO  L276                IsEmpty]: Start isEmpty. Operand 53462 states and 146818 transitions.
[2022-01-18 01:32:04,226 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:32:04,226 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:32:04,226 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]
[2022-01-18 01:32:04,226 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74
[2022-01-18 01:32:04,226 INFO  L402      AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:32:04,226 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:32:04,227 INFO  L85        PathProgramCache]: Analyzing trace with hash 277469472, now seen corresponding path program 75 times
[2022-01-18 01:32:04,227 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:32:04,227 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255862806]
[2022-01-18 01:32:04,227 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:32:04,227 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:32:04,240 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:32:04,920 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:32:04,920 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:32:04,920 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255862806]
[2022-01-18 01:32:04,920 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255862806] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:32:04,920 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:32:04,920 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:32:04,920 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093574465]
[2022-01-18 01:32:04,920 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:32:04,920 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:32:04,921 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:32:04,921 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:32:04,921 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:32:04,921 INFO  L87              Difference]: Start difference. First operand 53462 states and 146818 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:07,122 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:32:07,122 INFO  L93              Difference]: Finished difference Result 116041 states and 319768 transitions.
[2022-01-18 01:32:07,122 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-01-18 01:32:07,122 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:32:07,122 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:32:07,369 INFO  L225             Difference]: With dead ends: 116041
[2022-01-18 01:32:07,370 INFO  L226             Difference]: Without dead ends: 115687
[2022-01-18 01:32:07,370 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=585, Invalid=2495, Unknown=0, NotChecked=0, Total=3080
[2022-01-18 01:32:07,370 INFO  L933         BasicCegarLoop]: 893 mSDtfsCounter, 2910 mSDsluCounter, 11151 mSDsCounter, 0 mSdLazyCounter, 2188 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2910 SdHoareTripleChecker+Valid, 11926 SdHoareTripleChecker+Invalid, 2212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:32:07,371 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2910 Valid, 11926 Invalid, 2212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2188 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:32:07,564 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 115687 states.
[2022-01-18 01:32:08,834 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 115687 to 53670.
[2022-01-18 01:32:08,895 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53670 states, 53669 states have (on average 2.7453092101585646) internal successors, (147338), 53669 states have internal predecessors, (147338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:09,005 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53670 states to 53670 states and 147338 transitions.
[2022-01-18 01:32:09,005 INFO  L78                 Accepts]: Start accepts. Automaton has 53670 states and 147338 transitions. Word has length 163
[2022-01-18 01:32:09,006 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:32:09,006 INFO  L470      AbstractCegarLoop]: Abstraction has 53670 states and 147338 transitions.
[2022-01-18 01:32:09,006 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:09,006 INFO  L276                IsEmpty]: Start isEmpty. Operand 53670 states and 147338 transitions.
[2022-01-18 01:32:09,057 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:32:09,057 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:32:09,057 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]
[2022-01-18 01:32:09,057 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75
[2022-01-18 01:32:09,057 INFO  L402      AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:32:09,057 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:32:09,057 INFO  L85        PathProgramCache]: Analyzing trace with hash -654701182, now seen corresponding path program 76 times
[2022-01-18 01:32:09,058 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:32:09,058 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142940659]
[2022-01-18 01:32:09,058 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:32:09,058 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:32:09,069 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:32:09,312 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:32:09,312 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:32:09,312 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142940659]
[2022-01-18 01:32:09,312 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142940659] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:32:09,312 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:32:09,312 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:32:09,313 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331323308]
[2022-01-18 01:32:09,313 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:32:09,313 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:32:09,313 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:32:09,313 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:32:09,313 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:32:09,313 INFO  L87              Difference]: Start difference. First operand 53670 states and 147338 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:12,273 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:32:12,274 INFO  L93              Difference]: Finished difference Result 115388 states and 318116 transitions.
[2022-01-18 01:32:12,274 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-01-18 01:32:12,274 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:32:12,274 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:32:12,517 INFO  L225             Difference]: With dead ends: 115388
[2022-01-18 01:32:12,517 INFO  L226             Difference]: Without dead ends: 114938
[2022-01-18 01:32:12,517 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=641, Invalid=2115, Unknown=0, NotChecked=0, Total=2756
[2022-01-18 01:32:12,517 INFO  L933         BasicCegarLoop]: 812 mSDtfsCounter, 2988 mSDsluCounter, 10178 mSDsCounter, 0 mSdLazyCounter, 2031 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2988 SdHoareTripleChecker+Valid, 10906 SdHoareTripleChecker+Invalid, 2092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 2031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2022-01-18 01:32:12,518 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2988 Valid, 10906 Invalid, 2092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 2031 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2022-01-18 01:32:12,710 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 114938 states.
[2022-01-18 01:32:13,942 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 114938 to 53382.
[2022-01-18 01:32:14,003 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53382 states, 53381 states have (on average 2.7475318933703003) internal successors, (146666), 53381 states have internal predecessors, (146666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:14,115 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53382 states to 53382 states and 146666 transitions.
[2022-01-18 01:32:14,116 INFO  L78                 Accepts]: Start accepts. Automaton has 53382 states and 146666 transitions. Word has length 163
[2022-01-18 01:32:14,116 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:32:14,116 INFO  L470      AbstractCegarLoop]: Abstraction has 53382 states and 146666 transitions.
[2022-01-18 01:32:14,116 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:14,116 INFO  L276                IsEmpty]: Start isEmpty. Operand 53382 states and 146666 transitions.
[2022-01-18 01:32:14,165 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:32:14,165 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:32:14,165 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]
[2022-01-18 01:32:14,165 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76
[2022-01-18 01:32:14,165 INFO  L402      AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:32:14,166 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:32:14,166 INFO  L85        PathProgramCache]: Analyzing trace with hash -216154394, now seen corresponding path program 77 times
[2022-01-18 01:32:14,166 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:32:14,166 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862581314]
[2022-01-18 01:32:14,166 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:32:14,166 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:32:14,177 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:32:14,387 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:32:14,388 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:32:14,388 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862581314]
[2022-01-18 01:32:14,388 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862581314] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:32:14,388 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:32:14,388 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:32:14,388 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062267622]
[2022-01-18 01:32:14,388 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:32:14,388 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:32:14,388 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:32:14,388 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:32:14,388 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:32:14,388 INFO  L87              Difference]: Start difference. First operand 53382 states and 146666 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:16,979 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:32:16,980 INFO  L93              Difference]: Finished difference Result 134808 states and 371425 transitions.
[2022-01-18 01:32:16,980 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-01-18 01:32:16,980 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:32:16,980 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:32:17,244 INFO  L225             Difference]: With dead ends: 134808
[2022-01-18 01:32:17,244 INFO  L226             Difference]: Without dead ends: 134454
[2022-01-18 01:32:17,244 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 820 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=698, Invalid=2608, Unknown=0, NotChecked=0, Total=3306
[2022-01-18 01:32:17,245 INFO  L933         BasicCegarLoop]: 902 mSDtfsCounter, 3622 mSDsluCounter, 11098 mSDsCounter, 0 mSdLazyCounter, 2050 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3622 SdHoareTripleChecker+Valid, 11885 SdHoareTripleChecker+Invalid, 2079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:32:17,245 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3622 Valid, 11885 Invalid, 2079 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [29 Valid, 2050 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:32:17,458 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 134454 states.
[2022-01-18 01:32:18,779 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 134454 to 54522.
[2022-01-18 01:32:18,841 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54522 states, 54521 states have (on average 2.7466297389996517) internal successors, (149749), 54521 states have internal predecessors, (149749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:18,951 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54522 states to 54522 states and 149749 transitions.
[2022-01-18 01:32:18,951 INFO  L78                 Accepts]: Start accepts. Automaton has 54522 states and 149749 transitions. Word has length 163
[2022-01-18 01:32:18,951 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:32:18,951 INFO  L470      AbstractCegarLoop]: Abstraction has 54522 states and 149749 transitions.
[2022-01-18 01:32:18,951 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:18,951 INFO  L276                IsEmpty]: Start isEmpty. Operand 54522 states and 149749 transitions.
[2022-01-18 01:32:19,001 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:32:19,001 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:32:19,001 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]
[2022-01-18 01:32:19,001 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77
[2022-01-18 01:32:19,001 INFO  L402      AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:32:19,001 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:32:19,001 INFO  L85        PathProgramCache]: Analyzing trace with hash -1148325048, now seen corresponding path program 78 times
[2022-01-18 01:32:19,001 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:32:19,002 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435451259]
[2022-01-18 01:32:19,002 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:32:19,002 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:32:19,012 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:32:19,273 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:32:19,273 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:32:19,273 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435451259]
[2022-01-18 01:32:19,273 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435451259] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:32:19,273 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:32:19,273 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:32:19,273 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924941164]
[2022-01-18 01:32:19,273 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:32:19,274 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:32:19,274 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:32:19,274 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:32:19,274 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:32:19,274 INFO  L87              Difference]: Start difference. First operand 54522 states and 149749 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:21,977 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:32:21,978 INFO  L93              Difference]: Finished difference Result 134916 states and 371726 transitions.
[2022-01-18 01:32:21,978 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-01-18 01:32:21,978 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:32:21,978 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:32:22,247 INFO  L225             Difference]: With dead ends: 134916
[2022-01-18 01:32:22,247 INFO  L226             Difference]: Without dead ends: 134602
[2022-01-18 01:32:22,248 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 846 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=731, Invalid=2691, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:32:22,248 INFO  L933         BasicCegarLoop]: 881 mSDtfsCounter, 3220 mSDsluCounter, 10691 mSDsCounter, 0 mSdLazyCounter, 2024 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3220 SdHoareTripleChecker+Valid, 11466 SdHoareTripleChecker+Invalid, 2062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2022-01-18 01:32:22,248 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3220 Valid, 11466 Invalid, 2062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2024 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2022-01-18 01:32:22,477 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 134602 states.
[2022-01-18 01:32:23,828 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 134602 to 54366.
[2022-01-18 01:32:23,891 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54366 states, 54365 states have (on average 2.7466200680584936) internal successors, (149320), 54365 states have internal predecessors, (149320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:24,010 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54366 states to 54366 states and 149320 transitions.
[2022-01-18 01:32:24,010 INFO  L78                 Accepts]: Start accepts. Automaton has 54366 states and 149320 transitions. Word has length 163
[2022-01-18 01:32:24,011 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:32:24,011 INFO  L470      AbstractCegarLoop]: Abstraction has 54366 states and 149320 transitions.
[2022-01-18 01:32:24,011 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:24,011 INFO  L276                IsEmpty]: Start isEmpty. Operand 54366 states and 149320 transitions.
[2022-01-18 01:32:24,070 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:32:24,071 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:32:24,071 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]
[2022-01-18 01:32:24,071 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78
[2022-01-18 01:32:24,071 INFO  L402      AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:32:24,071 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:32:24,071 INFO  L85        PathProgramCache]: Analyzing trace with hash 647848924, now seen corresponding path program 79 times
[2022-01-18 01:32:24,071 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:32:24,071 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613352144]
[2022-01-18 01:32:24,071 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:32:24,072 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:32:24,082 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:32:24,304 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:32:24,305 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:32:24,305 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613352144]
[2022-01-18 01:32:24,305 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613352144] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:32:24,305 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:32:24,305 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:32:24,305 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816733157]
[2022-01-18 01:32:24,305 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:32:24,305 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:32:24,305 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:32:24,305 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:32:24,305 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:32:24,305 INFO  L87              Difference]: Start difference. First operand 54366 states and 149320 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:27,010 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:32:27,010 INFO  L93              Difference]: Finished difference Result 137405 states and 378587 transitions.
[2022-01-18 01:32:27,010 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-01-18 01:32:27,010 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:32:27,010 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:32:27,282 INFO  L225             Difference]: With dead ends: 137405
[2022-01-18 01:32:27,282 INFO  L226             Difference]: Without dead ends: 137191
[2022-01-18 01:32:27,282 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 858 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=750, Invalid=2672, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:32:27,283 INFO  L933         BasicCegarLoop]: 878 mSDtfsCounter, 3233 mSDsluCounter, 11011 mSDsCounter, 0 mSdLazyCounter, 2057 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3233 SdHoareTripleChecker+Valid, 11776 SdHoareTripleChecker+Invalid, 2084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2022-01-18 01:32:27,283 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3233 Valid, 11776 Invalid, 2084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2057 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2022-01-18 01:32:27,501 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 137191 states.
[2022-01-18 01:32:28,940 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 137191 to 54314.
[2022-01-18 01:32:29,004 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54314 states, 54313 states have (on average 2.746616832065988) internal successors, (149177), 54313 states have internal predecessors, (149177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:29,132 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54314 states to 54314 states and 149177 transitions.
[2022-01-18 01:32:29,133 INFO  L78                 Accepts]: Start accepts. Automaton has 54314 states and 149177 transitions. Word has length 163
[2022-01-18 01:32:29,133 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:32:29,133 INFO  L470      AbstractCegarLoop]: Abstraction has 54314 states and 149177 transitions.
[2022-01-18 01:32:29,133 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:29,133 INFO  L276                IsEmpty]: Start isEmpty. Operand 54314 states and 149177 transitions.
[2022-01-18 01:32:29,192 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:32:29,192 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:32:29,192 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]
[2022-01-18 01:32:29,192 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79
[2022-01-18 01:32:29,192 INFO  L402      AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:32:29,193 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:32:29,193 INFO  L85        PathProgramCache]: Analyzing trace with hash 1085503454, now seen corresponding path program 80 times
[2022-01-18 01:32:29,193 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:32:29,193 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474497672]
[2022-01-18 01:32:29,193 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:32:29,193 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:32:29,211 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:32:29,467 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:32:29,468 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:32:29,468 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474497672]
[2022-01-18 01:32:29,468 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474497672] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:32:29,468 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:32:29,468 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:32:29,468 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056956341]
[2022-01-18 01:32:29,468 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:32:29,468 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:32:29,468 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:32:29,468 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:32:29,469 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:32:29,469 INFO  L87              Difference]: Start difference. First operand 54314 states and 149177 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:32,637 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:32:32,637 INFO  L93              Difference]: Finished difference Result 142243 states and 391930 transitions.
[2022-01-18 01:32:32,638 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-01-18 01:32:32,638 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:32:32,638 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:32:33,055 INFO  L225             Difference]: With dead ends: 142243
[2022-01-18 01:32:33,055 INFO  L226             Difference]: Without dead ends: 141353
[2022-01-18 01:32:33,055 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 913 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=781, Invalid=2759, Unknown=0, NotChecked=0, Total=3540
[2022-01-18 01:32:33,056 INFO  L933         BasicCegarLoop]: 898 mSDtfsCounter, 3028 mSDsluCounter, 12335 mSDsCounter, 0 mSdLazyCounter, 2264 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3028 SdHoareTripleChecker+Valid, 13100 SdHoareTripleChecker+Invalid, 2292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:32:33,057 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3028 Valid, 13100 Invalid, 2292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2264 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:32:33,326 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 141353 states.
[2022-01-18 01:32:34,695 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 141353 to 53638.
[2022-01-18 01:32:34,760 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53638 states, 53637 states have (on average 2.7465741931875383) internal successors, (147318), 53637 states have internal predecessors, (147318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:34,875 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53638 states to 53638 states and 147318 transitions.
[2022-01-18 01:32:34,875 INFO  L78                 Accepts]: Start accepts. Automaton has 53638 states and 147318 transitions. Word has length 163
[2022-01-18 01:32:34,875 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:32:34,875 INFO  L470      AbstractCegarLoop]: Abstraction has 53638 states and 147318 transitions.
[2022-01-18 01:32:34,875 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:34,875 INFO  L276                IsEmpty]: Start isEmpty. Operand 53638 states and 147318 transitions.
[2022-01-18 01:32:34,927 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:32:34,927 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:32:34,927 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]
[2022-01-18 01:32:34,927 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80
[2022-01-18 01:32:34,927 INFO  L402      AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:32:34,929 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:32:34,929 INFO  L85        PathProgramCache]: Analyzing trace with hash 1209931200, now seen corresponding path program 81 times
[2022-01-18 01:32:34,929 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:32:34,929 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557879655]
[2022-01-18 01:32:34,929 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:32:34,929 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:32:34,944 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:32:35,180 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:32:35,180 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:32:35,180 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557879655]
[2022-01-18 01:32:35,180 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557879655] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:32:35,180 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:32:35,180 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:32:35,180 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414508160]
[2022-01-18 01:32:35,180 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:32:35,181 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:32:35,181 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:32:35,181 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:32:35,181 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:32:35,181 INFO  L87              Difference]: Start difference. First operand 53638 states and 147318 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:38,042 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:32:38,042 INFO  L93              Difference]: Finished difference Result 143075 states and 394252 transitions.
[2022-01-18 01:32:38,042 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-01-18 01:32:38,043 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:32:38,043 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:32:38,350 INFO  L225             Difference]: With dead ends: 143075
[2022-01-18 01:32:38,350 INFO  L226             Difference]: Without dead ends: 142805
[2022-01-18 01:32:38,351 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 859 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=752, Invalid=2670, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:32:38,351 INFO  L933         BasicCegarLoop]: 880 mSDtfsCounter, 3308 mSDsluCounter, 11485 mSDsCounter, 0 mSdLazyCounter, 2121 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3308 SdHoareTripleChecker+Valid, 12245 SdHoareTripleChecker+Invalid, 2149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:32:38,351 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3308 Valid, 12245 Invalid, 2149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2121 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:32:38,574 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 142805 states.
[2022-01-18 01:32:39,959 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 142805 to 53586.
[2022-01-18 01:32:40,021 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53586 states, 53585 states have (on average 2.7465708687132593) internal successors, (147175), 53585 states have internal predecessors, (147175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:40,131 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53586 states to 53586 states and 147175 transitions.
[2022-01-18 01:32:40,131 INFO  L78                 Accepts]: Start accepts. Automaton has 53586 states and 147175 transitions. Word has length 163
[2022-01-18 01:32:40,132 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:32:40,132 INFO  L470      AbstractCegarLoop]: Abstraction has 53586 states and 147175 transitions.
[2022-01-18 01:32:40,132 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:40,132 INFO  L276                IsEmpty]: Start isEmpty. Operand 53586 states and 147175 transitions.
[2022-01-18 01:32:40,181 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:32:40,181 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:32:40,181 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]
[2022-01-18 01:32:40,181 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81
[2022-01-18 01:32:40,181 INFO  L402      AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:32:40,181 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:32:40,182 INFO  L85        PathProgramCache]: Analyzing trace with hash 865365212, now seen corresponding path program 82 times
[2022-01-18 01:32:40,182 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:32:40,182 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132580681]
[2022-01-18 01:32:40,182 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:32:40,182 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:32:40,192 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:32:40,405 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:32:40,405 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:32:40,405 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132580681]
[2022-01-18 01:32:40,405 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132580681] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:32:40,405 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:32:40,405 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:32:40,405 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517161345]
[2022-01-18 01:32:40,405 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:32:40,405 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:32:40,406 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:32:40,406 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:32:40,406 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:32:40,406 INFO  L87              Difference]: Start difference. First operand 53586 states and 147175 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:43,048 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:32:43,048 INFO  L93              Difference]: Finished difference Result 127971 states and 352707 transitions.
[2022-01-18 01:32:43,048 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. 
[2022-01-18 01:32:43,049 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:32:43,049 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:32:43,323 INFO  L225             Difference]: With dead ends: 127971
[2022-01-18 01:32:43,324 INFO  L226             Difference]: Without dead ends: 127585
[2022-01-18 01:32:43,324 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=701, Invalid=2491, Unknown=0, NotChecked=0, Total=3192
[2022-01-18 01:32:43,324 INFO  L933         BasicCegarLoop]: 866 mSDtfsCounter, 2652 mSDsluCounter, 11746 mSDsCounter, 0 mSdLazyCounter, 2067 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2652 SdHoareTripleChecker+Valid, 12486 SdHoareTripleChecker+Invalid, 2096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:32:43,324 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2652 Valid, 12486 Invalid, 2096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2067 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:32:43,534 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 127585 states.
[2022-01-18 01:32:44,881 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 127585 to 53430.
[2022-01-18 01:32:44,944 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53430 states, 53429 states have (on average 2.747309513560052) internal successors, (146786), 53429 states have internal predecessors, (146786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:45,064 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53430 states to 53430 states and 146786 transitions.
[2022-01-18 01:32:45,064 INFO  L78                 Accepts]: Start accepts. Automaton has 53430 states and 146786 transitions. Word has length 163
[2022-01-18 01:32:45,064 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:32:45,064 INFO  L470      AbstractCegarLoop]: Abstraction has 53430 states and 146786 transitions.
[2022-01-18 01:32:45,064 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:45,064 INFO  L276                IsEmpty]: Start isEmpty. Operand 53430 states and 146786 transitions.
[2022-01-18 01:32:45,121 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:32:45,121 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:32:45,121 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]
[2022-01-18 01:32:45,121 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82
[2022-01-18 01:32:45,121 INFO  L402      AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:32:45,121 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:32:45,122 INFO  L85        PathProgramCache]: Analyzing trace with hash -34576382, now seen corresponding path program 83 times
[2022-01-18 01:32:45,122 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:32:45,122 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082405366]
[2022-01-18 01:32:45,122 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:32:45,122 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:32:45,135 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:32:45,394 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:32:45,394 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:32:45,394 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082405366]
[2022-01-18 01:32:45,394 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082405366] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:32:45,395 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:32:45,395 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:32:45,395 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868435333]
[2022-01-18 01:32:45,395 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:32:45,395 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:32:45,395 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:32:45,395 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:32:45,395 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:32:45,395 INFO  L87              Difference]: Start difference. First operand 53430 states and 146786 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:48,256 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:32:48,256 INFO  L93              Difference]: Finished difference Result 154032 states and 424304 transitions.
[2022-01-18 01:32:48,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-01-18 01:32:48,256 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:32:48,257 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:32:48,589 INFO  L225             Difference]: With dead ends: 154032
[2022-01-18 01:32:48,590 INFO  L226             Difference]: Without dead ends: 153678
[2022-01-18 01:32:48,590 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 857 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=706, Invalid=2716, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:32:48,590 INFO  L933         BasicCegarLoop]: 887 mSDtfsCounter, 4167 mSDsluCounter, 10419 mSDsCounter, 0 mSdLazyCounter, 2083 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4167 SdHoareTripleChecker+Valid, 11187 SdHoareTripleChecker+Invalid, 2113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 2083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:32:48,590 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [4167 Valid, 11187 Invalid, 2113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 2083 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:32:48,832 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 153678 states.
[2022-01-18 01:32:50,345 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 153678 to 54370.
[2022-01-18 01:32:50,408 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54370 states, 54369 states have (on average 2.7463996027147823) internal successors, (149319), 54369 states have internal predecessors, (149319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:50,523 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54370 states to 54370 states and 149319 transitions.
[2022-01-18 01:32:50,524 INFO  L78                 Accepts]: Start accepts. Automaton has 54370 states and 149319 transitions. Word has length 163
[2022-01-18 01:32:50,524 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:32:50,524 INFO  L470      AbstractCegarLoop]: Abstraction has 54370 states and 149319 transitions.
[2022-01-18 01:32:50,524 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:50,524 INFO  L276                IsEmpty]: Start isEmpty. Operand 54370 states and 149319 transitions.
[2022-01-18 01:32:50,577 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:32:50,577 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:32:50,577 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]
[2022-01-18 01:32:50,577 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83
[2022-01-18 01:32:50,577 INFO  L402      AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:32:50,577 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:32:50,577 INFO  L85        PathProgramCache]: Analyzing trace with hash -966747036, now seen corresponding path program 84 times
[2022-01-18 01:32:50,578 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:32:50,578 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658506280]
[2022-01-18 01:32:50,578 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:32:50,578 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:32:50,588 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:32:50,836 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:32:50,836 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:32:50,836 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658506280]
[2022-01-18 01:32:50,836 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658506280] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:32:50,836 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:32:50,837 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:32:50,837 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176430928]
[2022-01-18 01:32:50,837 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:32:50,837 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:32:50,837 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:32:50,837 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:32:50,837 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:32:50,837 INFO  L87              Difference]: Start difference. First operand 54370 states and 149319 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:54,468 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:32:54,468 INFO  L93              Difference]: Finished difference Result 153427 states and 422768 transitions.
[2022-01-18 01:32:54,469 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2022-01-18 01:32:54,469 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:32:54,469 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:32:54,783 INFO  L225             Difference]: With dead ends: 153427
[2022-01-18 01:32:54,783 INFO  L226             Difference]: Without dead ends: 152273
[2022-01-18 01:32:54,784 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1113 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1006, Invalid=3284, Unknown=0, NotChecked=0, Total=4290
[2022-01-18 01:32:54,784 INFO  L933         BasicCegarLoop]: 845 mSDtfsCounter, 4041 mSDsluCounter, 10657 mSDsCounter, 0 mSdLazyCounter, 2207 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4041 SdHoareTripleChecker+Valid, 11414 SdHoareTripleChecker+Invalid, 2283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 2207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:32:54,784 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [4041 Valid, 11414 Invalid, 2283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 2207 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:32:55,033 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 152273 states.
[2022-01-18 01:32:56,490 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 152273 to 53434.
[2022-01-18 01:32:56,551 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53434 states, 53433 states have (on average 2.747234854864971) internal successors, (146793), 53433 states have internal predecessors, (146793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:56,657 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53434 states to 53434 states and 146793 transitions.
[2022-01-18 01:32:56,658 INFO  L78                 Accepts]: Start accepts. Automaton has 53434 states and 146793 transitions. Word has length 163
[2022-01-18 01:32:56,658 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:32:56,658 INFO  L470      AbstractCegarLoop]: Abstraction has 53434 states and 146793 transitions.
[2022-01-18 01:32:56,658 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:56,658 INFO  L276                IsEmpty]: Start isEmpty. Operand 53434 states and 146793 transitions.
[2022-01-18 01:32:56,705 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:32:56,706 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:32:56,706 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]
[2022-01-18 01:32:56,706 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84
[2022-01-18 01:32:56,706 INFO  L402      AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:32:56,706 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:32:56,706 INFO  L85        PathProgramCache]: Analyzing trace with hash 1249409648, now seen corresponding path program 85 times
[2022-01-18 01:32:56,706 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:32:56,706 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952871455]
[2022-01-18 01:32:56,707 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:32:56,707 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:32:56,718 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:32:56,926 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:32:56,927 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:32:56,927 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952871455]
[2022-01-18 01:32:56,927 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952871455] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:32:56,927 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:32:56,927 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:32:56,927 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040944183]
[2022-01-18 01:32:56,927 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:32:56,927 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:32:56,927 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:32:56,927 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:32:56,927 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:32:56,928 INFO  L87              Difference]: Start difference. First operand 53434 states and 146793 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:32:59,645 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:32:59,645 INFO  L93              Difference]: Finished difference Result 149528 states and 411932 transitions.
[2022-01-18 01:32:59,645 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-01-18 01:32:59,646 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:32:59,646 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:32:59,948 INFO  L225             Difference]: With dead ends: 149528
[2022-01-18 01:32:59,948 INFO  L226             Difference]: Without dead ends: 149174
[2022-01-18 01:32:59,949 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 871 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=690, Invalid=2732, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:32:59,949 INFO  L933         BasicCegarLoop]: 915 mSDtfsCounter, 3364 mSDsluCounter, 11572 mSDsCounter, 0 mSdLazyCounter, 2308 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3364 SdHoareTripleChecker+Valid, 12356 SdHoareTripleChecker+Invalid, 2332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2022-01-18 01:32:59,949 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3364 Valid, 12356 Invalid, 2332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2308 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2022-01-18 01:33:00,191 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 149174 states.
[2022-01-18 01:33:01,640 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 149174 to 54370.
[2022-01-18 01:33:01,702 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54370 states, 54369 states have (on average 2.746326031378175) internal successors, (149315), 54369 states have internal predecessors, (149315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:01,817 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54370 states to 54370 states and 149315 transitions.
[2022-01-18 01:33:01,817 INFO  L78                 Accepts]: Start accepts. Automaton has 54370 states and 149315 transitions. Word has length 163
[2022-01-18 01:33:01,817 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:33:01,817 INFO  L470      AbstractCegarLoop]: Abstraction has 54370 states and 149315 transitions.
[2022-01-18 01:33:01,817 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:01,817 INFO  L276                IsEmpty]: Start isEmpty. Operand 54370 states and 149315 transitions.
[2022-01-18 01:33:01,870 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:33:01,870 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:33:01,870 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]
[2022-01-18 01:33:01,870 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85
[2022-01-18 01:33:01,870 INFO  L402      AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:33:01,871 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:33:01,871 INFO  L85        PathProgramCache]: Analyzing trace with hash 317238994, now seen corresponding path program 86 times
[2022-01-18 01:33:01,871 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:33:01,871 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546837564]
[2022-01-18 01:33:01,871 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:33:01,871 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:33:01,882 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:33:02,457 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:33:02,457 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:33:02,457 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546837564]
[2022-01-18 01:33:02,457 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546837564] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:33:02,457 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:33:02,457 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:33:02,457 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989021748]
[2022-01-18 01:33:02,457 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:33:02,458 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:33:02,458 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:33:02,458 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:33:02,458 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:33:02,458 INFO  L87              Difference]: Start difference. First operand 54370 states and 149315 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:05,030 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:33:05,030 INFO  L93              Difference]: Finished difference Result 149636 states and 412233 transitions.
[2022-01-18 01:33:05,031 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-01-18 01:33:05,031 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:33:05,031 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:33:05,348 INFO  L225             Difference]: With dead ends: 149636
[2022-01-18 01:33:05,348 INFO  L226             Difference]: Without dead ends: 149322
[2022-01-18 01:33:05,349 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 898 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=730, Invalid=2810, Unknown=0, NotChecked=0, Total=3540
[2022-01-18 01:33:05,349 INFO  L933         BasicCegarLoop]: 894 mSDtfsCounter, 3083 mSDsluCounter, 11957 mSDsCounter, 0 mSdLazyCounter, 2334 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3083 SdHoareTripleChecker+Valid, 12712 SdHoareTripleChecker+Invalid, 2363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2022-01-18 01:33:05,349 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3083 Valid, 12712 Invalid, 2363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2334 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2022-01-18 01:33:05,915 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 149322 states.
[2022-01-18 01:33:07,001 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 149322 to 54214.
[2022-01-18 01:33:07,065 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54214 states, 54213 states have (on average 2.746315459391659) internal successors, (148886), 54213 states have internal predecessors, (148886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:07,557 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54214 states to 54214 states and 148886 transitions.
[2022-01-18 01:33:07,558 INFO  L78                 Accepts]: Start accepts. Automaton has 54214 states and 148886 transitions. Word has length 163
[2022-01-18 01:33:07,558 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:33:07,558 INFO  L470      AbstractCegarLoop]: Abstraction has 54214 states and 148886 transitions.
[2022-01-18 01:33:07,558 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:07,558 INFO  L276                IsEmpty]: Start isEmpty. Operand 54214 states and 148886 transitions.
[2022-01-18 01:33:07,614 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:33:07,614 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:33:07,614 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]
[2022-01-18 01:33:07,614 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86
[2022-01-18 01:33:07,614 INFO  L402      AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:33:07,614 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:33:07,614 INFO  L85        PathProgramCache]: Analyzing trace with hash 2113412966, now seen corresponding path program 87 times
[2022-01-18 01:33:07,615 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:33:07,615 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488359848]
[2022-01-18 01:33:07,615 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:33:07,615 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:33:07,625 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:33:07,842 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:33:07,842 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:33:07,842 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488359848]
[2022-01-18 01:33:07,842 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488359848] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:33:07,842 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:33:07,842 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:33:07,842 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140115093]
[2022-01-18 01:33:07,843 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:33:07,843 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:33:07,843 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:33:07,843 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:33:07,843 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:33:07,843 INFO  L87              Difference]: Start difference. First operand 54214 states and 148886 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:10,373 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:33:10,373 INFO  L93              Difference]: Finished difference Result 152125 states and 419094 transitions.
[2022-01-18 01:33:10,373 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-01-18 01:33:10,373 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:33:10,374 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:33:11,097 INFO  L225             Difference]: With dead ends: 152125
[2022-01-18 01:33:11,097 INFO  L226             Difference]: Without dead ends: 151911
[2022-01-18 01:33:11,097 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 911 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=749, Invalid=2791, Unknown=0, NotChecked=0, Total=3540
[2022-01-18 01:33:11,097 INFO  L933         BasicCegarLoop]: 891 mSDtfsCounter, 3573 mSDsluCounter, 11266 mSDsCounter, 0 mSdLazyCounter, 2210 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3573 SdHoareTripleChecker+Valid, 12029 SdHoareTripleChecker+Invalid, 2234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:33:11,097 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3573 Valid, 12029 Invalid, 2234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2210 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:33:11,328 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 151911 states.
[2022-01-18 01:33:12,723 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 151911 to 54162.
[2022-01-18 01:33:12,785 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54162 states, 54161 states have (on average 2.7463119218625947) internal successors, (148743), 54161 states have internal predecessors, (148743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:12,900 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54162 states to 54162 states and 148743 transitions.
[2022-01-18 01:33:12,900 INFO  L78                 Accepts]: Start accepts. Automaton has 54162 states and 148743 transitions. Word has length 163
[2022-01-18 01:33:12,900 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:33:12,900 INFO  L470      AbstractCegarLoop]: Abstraction has 54162 states and 148743 transitions.
[2022-01-18 01:33:12,900 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:12,901 INFO  L276                IsEmpty]: Start isEmpty. Operand 54162 states and 148743 transitions.
[2022-01-18 01:33:12,954 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:33:12,954 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:33:12,954 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]
[2022-01-18 01:33:12,954 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87
[2022-01-18 01:33:12,954 INFO  L402      AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:33:12,955 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:33:12,955 INFO  L85        PathProgramCache]: Analyzing trace with hash -1743899800, now seen corresponding path program 88 times
[2022-01-18 01:33:12,955 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:33:12,955 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336844989]
[2022-01-18 01:33:12,955 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:33:12,955 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:33:12,964 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:33:13,216 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:33:13,216 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:33:13,216 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336844989]
[2022-01-18 01:33:13,217 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336844989] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:33:13,217 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:33:13,217 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:33:13,217 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578381431]
[2022-01-18 01:33:13,217 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:33:13,217 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:33:13,217 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:33:13,217 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:33:13,218 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:33:13,218 INFO  L87              Difference]: Start difference. First operand 54162 states and 148743 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:16,186 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:33:16,186 INFO  L93              Difference]: Finished difference Result 146051 states and 402454 transitions.
[2022-01-18 01:33:16,186 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-01-18 01:33:16,187 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:33:16,187 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:33:16,502 INFO  L225             Difference]: With dead ends: 146051
[2022-01-18 01:33:16,502 INFO  L226             Difference]: Without dead ends: 145161
[2022-01-18 01:33:16,502 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 864 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=726, Invalid=2696, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:33:16,503 INFO  L933         BasicCegarLoop]: 910 mSDtfsCounter, 3101 mSDsluCounter, 11822 mSDsCounter, 0 mSdLazyCounter, 2261 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3101 SdHoareTripleChecker+Valid, 12594 SdHoareTripleChecker+Invalid, 2286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:33:16,503 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3101 Valid, 12594 Invalid, 2286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2261 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:33:16,722 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 145161 states.
[2022-01-18 01:33:18,076 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 145161 to 53486.
[2022-01-18 01:33:18,140 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53486 states, 53485 states have (on average 2.746265308030289) internal successors, (146884), 53485 states have internal predecessors, (146884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:18,259 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53486 states to 53486 states and 146884 transitions.
[2022-01-18 01:33:18,260 INFO  L78                 Accepts]: Start accepts. Automaton has 53486 states and 146884 transitions. Word has length 163
[2022-01-18 01:33:18,260 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:33:18,260 INFO  L470      AbstractCegarLoop]: Abstraction has 53486 states and 146884 transitions.
[2022-01-18 01:33:18,260 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:18,260 INFO  L276                IsEmpty]: Start isEmpty. Operand 53486 states and 146884 transitions.
[2022-01-18 01:33:18,308 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:33:18,309 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:33:18,309 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]
[2022-01-18 01:33:18,309 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88
[2022-01-18 01:33:18,309 INFO  L402      AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:33:18,309 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:33:18,309 INFO  L85        PathProgramCache]: Analyzing trace with hash 45360338, now seen corresponding path program 89 times
[2022-01-18 01:33:18,309 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:33:18,309 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921095515]
[2022-01-18 01:33:18,310 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:33:18,310 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:33:18,321 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:33:18,547 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:33:18,548 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:33:18,548 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921095515]
[2022-01-18 01:33:18,548 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921095515] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:33:18,548 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:33:18,548 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:33:18,548 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276199187]
[2022-01-18 01:33:18,548 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:33:18,548 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:33:18,548 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:33:18,548 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:33:18,548 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:33:18,549 INFO  L87              Difference]: Start difference. First operand 53486 states and 146884 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:20,971 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:33:20,971 INFO  L93              Difference]: Finished difference Result 132904 states and 366077 transitions.
[2022-01-18 01:33:20,987 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-01-18 01:33:20,987 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:33:20,988 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:33:21,274 INFO  L225             Difference]: With dead ends: 132904
[2022-01-18 01:33:21,274 INFO  L226             Difference]: Without dead ends: 132534
[2022-01-18 01:33:21,274 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=515, Invalid=2035, Unknown=0, NotChecked=0, Total=2550
[2022-01-18 01:33:21,275 INFO  L933         BasicCegarLoop]: 838 mSDtfsCounter, 3556 mSDsluCounter, 9862 mSDsCounter, 0 mSdLazyCounter, 1957 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3556 SdHoareTripleChecker+Valid, 10587 SdHoareTripleChecker+Invalid, 1985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:33:21,275 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3556 Valid, 10587 Invalid, 1985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1957 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:33:21,475 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 132534 states.
[2022-01-18 01:33:22,763 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 132534 to 53502.
[2022-01-18 01:33:22,823 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53502 states, 53501 states have (on average 2.7461916599689724) internal successors, (146924), 53501 states have internal predecessors, (146924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:22,935 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53502 states to 53502 states and 146924 transitions.
[2022-01-18 01:33:22,935 INFO  L78                 Accepts]: Start accepts. Automaton has 53502 states and 146924 transitions. Word has length 163
[2022-01-18 01:33:22,935 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:33:22,935 INFO  L470      AbstractCegarLoop]: Abstraction has 53502 states and 146924 transitions.
[2022-01-18 01:33:22,935 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:22,935 INFO  L276                IsEmpty]: Start isEmpty. Operand 53502 states and 146924 transitions.
[2022-01-18 01:33:22,986 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:33:22,986 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:33:22,986 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]
[2022-01-18 01:33:22,986 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89
[2022-01-18 01:33:22,987 INFO  L402      AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:33:22,987 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:33:22,987 INFO  L85        PathProgramCache]: Analyzing trace with hash -859443562, now seen corresponding path program 90 times
[2022-01-18 01:33:22,987 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:33:22,987 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394577862]
[2022-01-18 01:33:22,987 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:33:22,987 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:33:22,998 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:33:23,206 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:33:23,206 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:33:23,207 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394577862]
[2022-01-18 01:33:23,207 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394577862] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:33:23,207 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:33:23,207 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:33:23,207 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145442685]
[2022-01-18 01:33:23,207 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:33:23,207 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:33:23,207 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:33:23,207 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:33:23,207 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:33:23,207 INFO  L87              Difference]: Start difference. First operand 53502 states and 146924 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:25,851 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:33:25,852 INFO  L93              Difference]: Finished difference Result 134053 states and 369105 transitions.
[2022-01-18 01:33:25,852 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2022-01-18 01:33:25,852 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:33:25,852 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:33:26,151 INFO  L225             Difference]: With dead ends: 134053
[2022-01-18 01:33:26,151 INFO  L226             Difference]: Without dead ends: 133699
[2022-01-18 01:33:26,151 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 676 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=577, Invalid=2393, Unknown=0, NotChecked=0, Total=2970
[2022-01-18 01:33:26,152 INFO  L933         BasicCegarLoop]: 844 mSDtfsCounter, 3367 mSDsluCounter, 10456 mSDsCounter, 0 mSdLazyCounter, 2034 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3367 SdHoareTripleChecker+Valid, 11180 SdHoareTripleChecker+Invalid, 2067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2034 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:33:26,152 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3367 Valid, 11180 Invalid, 2067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2034 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:33:26,345 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 133699 states.
[2022-01-18 01:33:27,698 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 133699 to 53658.
[2022-01-18 01:33:27,757 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53658 states, 53657 states have (on average 2.7452336135080233) internal successors, (147301), 53657 states have internal predecessors, (147301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:27,867 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53658 states to 53658 states and 147301 transitions.
[2022-01-18 01:33:27,868 INFO  L78                 Accepts]: Start accepts. Automaton has 53658 states and 147301 transitions. Word has length 163
[2022-01-18 01:33:27,868 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:33:27,868 INFO  L470      AbstractCegarLoop]: Abstraction has 53658 states and 147301 transitions.
[2022-01-18 01:33:27,868 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:27,868 INFO  L276                IsEmpty]: Start isEmpty. Operand 53658 states and 147301 transitions.
[2022-01-18 01:33:27,925 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:33:27,925 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:33:27,925 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]
[2022-01-18 01:33:27,925 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90
[2022-01-18 01:33:27,926 INFO  L402      AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:33:27,926 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:33:27,926 INFO  L85        PathProgramCache]: Analyzing trace with hash -1791614216, now seen corresponding path program 91 times
[2022-01-18 01:33:27,926 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:33:27,926 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507943465]
[2022-01-18 01:33:27,926 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:33:27,926 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:33:27,946 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:33:28,172 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:33:28,173 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:33:28,173 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507943465]
[2022-01-18 01:33:28,173 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507943465] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:33:28,173 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:33:28,173 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:33:28,173 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554169928]
[2022-01-18 01:33:28,173 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:33:28,173 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:33:28,173 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:33:28,173 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:33:28,173 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:33:28,174 INFO  L87              Difference]: Start difference. First operand 53658 states and 147301 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:30,431 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:33:30,432 INFO  L93              Difference]: Finished difference Result 133152 states and 366823 transitions.
[2022-01-18 01:33:30,432 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-01-18 01:33:30,432 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:33:30,432 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:33:31,112 INFO  L225             Difference]: With dead ends: 133152
[2022-01-18 01:33:31,112 INFO  L226             Difference]: Without dead ends: 132826
[2022-01-18 01:33:31,113 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 626 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=573, Invalid=2289, Unknown=0, NotChecked=0, Total=2862
[2022-01-18 01:33:31,113 INFO  L933         BasicCegarLoop]: 822 mSDtfsCounter, 2730 mSDsluCounter, 11199 mSDsCounter, 0 mSdLazyCounter, 2142 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2730 SdHoareTripleChecker+Valid, 11885 SdHoareTripleChecker+Invalid, 2174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:33:31,113 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2730 Valid, 11885 Invalid, 2174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2142 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:33:31,320 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 132826 states.
[2022-01-18 01:33:32,599 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 132826 to 53490.
[2022-01-18 01:33:32,657 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53490 states, 53489 states have (on average 2.7461908055861954) internal successors, (146891), 53489 states have internal predecessors, (146891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:32,778 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53490 states to 53490 states and 146891 transitions.
[2022-01-18 01:33:32,779 INFO  L78                 Accepts]: Start accepts. Automaton has 53490 states and 146891 transitions. Word has length 163
[2022-01-18 01:33:32,779 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:33:32,779 INFO  L470      AbstractCegarLoop]: Abstraction has 53490 states and 146891 transitions.
[2022-01-18 01:33:32,779 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:32,779 INFO  L276                IsEmpty]: Start isEmpty. Operand 53490 states and 146891 transitions.
[2022-01-18 01:33:32,837 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:33:32,838 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:33:32,838 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]
[2022-01-18 01:33:32,838 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91
[2022-01-18 01:33:32,838 INFO  L402      AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:33:32,838 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:33:32,838 INFO  L85        PathProgramCache]: Analyzing trace with hash 136776166, now seen corresponding path program 92 times
[2022-01-18 01:33:32,838 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:33:32,838 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495220286]
[2022-01-18 01:33:32,839 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:33:32,839 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:33:32,850 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:33:33,079 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:33:33,079 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:33:33,079 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495220286]
[2022-01-18 01:33:33,079 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495220286] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:33:33,079 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:33:33,079 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:33:33,080 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160464916]
[2022-01-18 01:33:33,080 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:33:33,080 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:33:33,080 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:33:33,080 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:33:33,080 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:33:33,080 INFO  L87              Difference]: Start difference. First operand 53490 states and 146891 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:35,444 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:33:35,444 INFO  L93              Difference]: Finished difference Result 138705 states and 382110 transitions.
[2022-01-18 01:33:35,444 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. 
[2022-01-18 01:33:35,444 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:33:35,445 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:33:36,101 INFO  L225             Difference]: With dead ends: 138705
[2022-01-18 01:33:36,101 INFO  L226             Difference]: Without dead ends: 138351
[2022-01-18 01:33:36,101 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 789 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=629, Invalid=2563, Unknown=0, NotChecked=0, Total=3192
[2022-01-18 01:33:36,101 INFO  L933         BasicCegarLoop]: 878 mSDtfsCounter, 3331 mSDsluCounter, 10947 mSDsCounter, 0 mSdLazyCounter, 2110 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3331 SdHoareTripleChecker+Valid, 11695 SdHoareTripleChecker+Invalid, 2134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:33:36,101 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3331 Valid, 11695 Invalid, 2134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2110 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:33:36,314 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 138351 states.
[2022-01-18 01:33:37,559 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 138351 to 53698.
[2022-01-18 01:33:37,625 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53698 states, 53697 states have (on average 2.745237164087379) internal successors, (147411), 53697 states have internal predecessors, (147411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:37,750 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53698 states to 53698 states and 147411 transitions.
[2022-01-18 01:33:37,751 INFO  L78                 Accepts]: Start accepts. Automaton has 53698 states and 147411 transitions. Word has length 163
[2022-01-18 01:33:37,751 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:33:37,751 INFO  L470      AbstractCegarLoop]: Abstraction has 53698 states and 147411 transitions.
[2022-01-18 01:33:37,751 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:37,751 INFO  L276                IsEmpty]: Start isEmpty. Operand 53698 states and 147411 transitions.
[2022-01-18 01:33:37,809 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:33:37,809 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:33:37,809 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]
[2022-01-18 01:33:37,809 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92
[2022-01-18 01:33:37,809 INFO  L402      AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:33:37,810 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:33:37,810 INFO  L85        PathProgramCache]: Analyzing trace with hash -795394488, now seen corresponding path program 93 times
[2022-01-18 01:33:37,810 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:33:37,810 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168307677]
[2022-01-18 01:33:37,810 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:33:37,810 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:33:37,821 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:33:38,040 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:33:38,040 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:33:38,040 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168307677]
[2022-01-18 01:33:38,040 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168307677] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:33:38,040 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:33:38,040 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:33:38,040 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311591471]
[2022-01-18 01:33:38,040 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:33:38,040 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:33:38,040 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:33:38,041 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:33:38,041 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:33:38,041 INFO  L87              Difference]: Start difference. First operand 53698 states and 147411 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:40,769 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:33:40,769 INFO  L93              Difference]: Finished difference Result 138405 states and 381413 transitions.
[2022-01-18 01:33:40,770 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-01-18 01:33:40,770 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:33:40,770 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:33:41,080 INFO  L225             Difference]: With dead ends: 138405
[2022-01-18 01:33:41,081 INFO  L226             Difference]: Without dead ends: 138091
[2022-01-18 01:33:41,081 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 817 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=667, Invalid=2639, Unknown=0, NotChecked=0, Total=3306
[2022-01-18 01:33:41,081 INFO  L933         BasicCegarLoop]: 853 mSDtfsCounter, 3088 mSDsluCounter, 10898 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3088 SdHoareTripleChecker+Valid, 11622 SdHoareTripleChecker+Invalid, 2129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:33:41,081 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3088 Valid, 11622 Invalid, 2129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:33:41,289 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 138091 states.
[2022-01-18 01:33:42,666 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 138091 to 53542.
[2022-01-18 01:33:42,729 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53542 states, 53541 states have (on average 2.7452232868269175) internal successors, (146982), 53541 states have internal predecessors, (146982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:42,842 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53542 states to 53542 states and 146982 transitions.
[2022-01-18 01:33:42,842 INFO  L78                 Accepts]: Start accepts. Automaton has 53542 states and 146982 transitions. Word has length 163
[2022-01-18 01:33:42,842 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:33:42,842 INFO  L470      AbstractCegarLoop]: Abstraction has 53542 states and 146982 transitions.
[2022-01-18 01:33:42,842 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:42,842 INFO  L276                IsEmpty]: Start isEmpty. Operand 53542 states and 146982 transitions.
[2022-01-18 01:33:42,898 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:33:42,898 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:33:42,898 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]
[2022-01-18 01:33:42,898 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93
[2022-01-18 01:33:42,898 INFO  L402      AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:33:42,899 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:33:42,899 INFO  L85        PathProgramCache]: Analyzing trace with hash 1000779484, now seen corresponding path program 94 times
[2022-01-18 01:33:42,899 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:33:42,899 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666877067]
[2022-01-18 01:33:42,899 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:33:42,899 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:33:42,909 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:33:43,124 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:33:43,125 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:33:43,125 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666877067]
[2022-01-18 01:33:43,125 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666877067] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:33:43,125 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:33:43,125 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:33:43,125 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898443248]
[2022-01-18 01:33:43,125 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:33:43,125 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:33:43,125 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:33:43,125 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:33:43,126 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:33:43,126 INFO  L87              Difference]: Start difference. First operand 53542 states and 146982 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:45,832 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:33:45,832 INFO  L93              Difference]: Finished difference Result 137468 states and 378904 transitions.
[2022-01-18 01:33:45,833 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. 
[2022-01-18 01:33:45,833 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:33:45,833 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:33:46,120 INFO  L225             Difference]: With dead ends: 137468
[2022-01-18 01:33:46,120 INFO  L226             Difference]: Without dead ends: 137182
[2022-01-18 01:33:46,120 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=663, Invalid=2529, Unknown=0, NotChecked=0, Total=3192
[2022-01-18 01:33:46,121 INFO  L933         BasicCegarLoop]: 847 mSDtfsCounter, 3165 mSDsluCounter, 10351 mSDsCounter, 0 mSdLazyCounter, 2080 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3165 SdHoareTripleChecker+Valid, 11080 SdHoareTripleChecker+Invalid, 2106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:33:46,121 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3165 Valid, 11080 Invalid, 2106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2080 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:33:46,321 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 137182 states.
[2022-01-18 01:33:47,607 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 137182 to 53418.
[2022-01-18 01:33:47,662 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53418 states, 53417 states have (on average 2.747308909148773) internal successors, (146753), 53417 states have internal predecessors, (146753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:47,765 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53418 states to 53418 states and 146753 transitions.
[2022-01-18 01:33:47,766 INFO  L78                 Accepts]: Start accepts. Automaton has 53418 states and 146753 transitions. Word has length 163
[2022-01-18 01:33:47,766 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:33:47,766 INFO  L470      AbstractCegarLoop]: Abstraction has 53418 states and 146753 transitions.
[2022-01-18 01:33:47,766 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:47,766 INFO  L276                IsEmpty]: Start isEmpty. Operand 53418 states and 146753 transitions.
[2022-01-18 01:33:47,812 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:33:47,812 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:33:47,812 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]
[2022-01-18 01:33:47,812 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94
[2022-01-18 01:33:47,812 INFO  L402      AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:33:47,813 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:33:47,813 INFO  L85        PathProgramCache]: Analyzing trace with hash 473289062, now seen corresponding path program 95 times
[2022-01-18 01:33:47,813 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:33:47,813 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388190517]
[2022-01-18 01:33:47,813 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:33:47,813 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:33:47,824 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:33:48,031 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:33:48,031 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:33:48,031 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388190517]
[2022-01-18 01:33:48,031 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388190517] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:33:48,031 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:33:48,031 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:33:48,032 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300677328]
[2022-01-18 01:33:48,032 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:33:48,032 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:33:48,032 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:33:48,032 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:33:48,032 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:33:48,032 INFO  L87              Difference]: Start difference. First operand 53418 states and 146753 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:50,787 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:33:50,788 INFO  L93              Difference]: Finished difference Result 133100 states and 366725 transitions.
[2022-01-18 01:33:50,801 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. 
[2022-01-18 01:33:50,802 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:33:50,802 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:33:51,095 INFO  L225             Difference]: With dead ends: 133100
[2022-01-18 01:33:51,095 INFO  L226             Difference]: Without dead ends: 132746
[2022-01-18 01:33:51,095 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=687, Invalid=2619, Unknown=0, NotChecked=0, Total=3306
[2022-01-18 01:33:51,095 INFO  L933         BasicCegarLoop]: 906 mSDtfsCounter, 3759 mSDsluCounter, 11350 mSDsCounter, 0 mSdLazyCounter, 2200 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3759 SdHoareTripleChecker+Valid, 12133 SdHoareTripleChecker+Invalid, 2228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:33:51,096 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3759 Valid, 12133 Invalid, 2228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2200 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:33:51,304 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 132746 states.
[2022-01-18 01:33:52,671 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 132746 to 54370.
[2022-01-18 01:33:52,731 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54370 states, 54369 states have (on average 2.7463996027147823) internal successors, (149319), 54369 states have internal predecessors, (149319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:52,847 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54370 states to 54370 states and 149319 transitions.
[2022-01-18 01:33:52,847 INFO  L78                 Accepts]: Start accepts. Automaton has 54370 states and 149319 transitions. Word has length 163
[2022-01-18 01:33:52,847 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:33:52,847 INFO  L470      AbstractCegarLoop]: Abstraction has 54370 states and 149319 transitions.
[2022-01-18 01:33:52,847 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:52,848 INFO  L276                IsEmpty]: Start isEmpty. Operand 54370 states and 149319 transitions.
[2022-01-18 01:33:52,904 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:33:52,904 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:33:52,904 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]
[2022-01-18 01:33:52,904 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95
[2022-01-18 01:33:52,904 INFO  L402      AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:33:52,904 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:33:52,905 INFO  L85        PathProgramCache]: Analyzing trace with hash -458881592, now seen corresponding path program 96 times
[2022-01-18 01:33:52,905 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:33:52,905 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851310266]
[2022-01-18 01:33:52,905 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:33:52,905 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:33:52,915 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:33:53,126 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:33:53,126 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:33:53,126 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851310266]
[2022-01-18 01:33:53,126 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851310266] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:33:53,126 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:33:53,126 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:33:53,126 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119105664]
[2022-01-18 01:33:53,126 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:33:53,127 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:33:53,127 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:33:53,127 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:33:53,127 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:33:53,127 INFO  L87              Difference]: Start difference. First operand 54370 states and 149319 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:56,017 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:33:56,017 INFO  L93              Difference]: Finished difference Result 133208 states and 367026 transitions.
[2022-01-18 01:33:56,018 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-01-18 01:33:56,018 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:33:56,018 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:33:56,324 INFO  L225             Difference]: With dead ends: 133208
[2022-01-18 01:33:56,324 INFO  L226             Difference]: Without dead ends: 132894
[2022-01-18 01:33:56,324 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 823 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=722, Invalid=2700, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:33:56,324 INFO  L933         BasicCegarLoop]: 885 mSDtfsCounter, 3015 mSDsluCounter, 11897 mSDsCounter, 0 mSdLazyCounter, 2313 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3015 SdHoareTripleChecker+Valid, 12651 SdHoareTripleChecker+Invalid, 2350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:33:56,324 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3015 Valid, 12651 Invalid, 2350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2313 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:33:56,546 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 132894 states.
[2022-01-18 01:33:57,883 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 132894 to 54214.
[2022-01-18 01:33:57,947 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54214 states, 54213 states have (on average 2.746389242432627) internal successors, (148890), 54213 states have internal predecessors, (148890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:58,072 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54214 states to 54214 states and 148890 transitions.
[2022-01-18 01:33:58,073 INFO  L78                 Accepts]: Start accepts. Automaton has 54214 states and 148890 transitions. Word has length 163
[2022-01-18 01:33:58,073 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:33:58,073 INFO  L470      AbstractCegarLoop]: Abstraction has 54214 states and 148890 transitions.
[2022-01-18 01:33:58,073 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:33:58,073 INFO  L276                IsEmpty]: Start isEmpty. Operand 54214 states and 148890 transitions.
[2022-01-18 01:33:58,132 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:33:58,132 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:33:58,132 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]
[2022-01-18 01:33:58,132 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96
[2022-01-18 01:33:58,132 INFO  L402      AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:33:58,132 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:33:58,132 INFO  L85        PathProgramCache]: Analyzing trace with hash 1337292380, now seen corresponding path program 97 times
[2022-01-18 01:33:58,133 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:33:58,133 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324444532]
[2022-01-18 01:33:58,133 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:33:58,133 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:33:58,143 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:33:58,357 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:33:58,358 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:33:58,358 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324444532]
[2022-01-18 01:33:58,358 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324444532] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:33:58,358 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:33:58,358 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:33:58,358 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662102224]
[2022-01-18 01:33:58,358 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:33:58,358 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:33:58,358 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:33:58,358 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:33:58,358 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:33:58,359 INFO  L87              Difference]: Start difference. First operand 54214 states and 148890 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:01,206 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:34:01,207 INFO  L93              Difference]: Finished difference Result 135697 states and 373887 transitions.
[2022-01-18 01:34:01,207 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-01-18 01:34:01,207 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:34:01,207 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:34:01,488 INFO  L225             Difference]: With dead ends: 135697
[2022-01-18 01:34:01,489 INFO  L226             Difference]: Without dead ends: 135483
[2022-01-18 01:34:01,489 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 835 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=741, Invalid=2681, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:34:01,489 INFO  L933         BasicCegarLoop]: 882 mSDtfsCounter, 3487 mSDsluCounter, 11270 mSDsCounter, 0 mSdLazyCounter, 2191 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3487 SdHoareTripleChecker+Valid, 12031 SdHoareTripleChecker+Invalid, 2216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:34:01,489 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3487 Valid, 12031 Invalid, 2216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2191 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:34:01,694 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 135483 states.
[2022-01-18 01:34:03,007 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 135483 to 54162.
[2022-01-18 01:34:03,072 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54162 states, 54161 states have (on average 2.7463857757426933) internal successors, (148747), 54161 states have internal predecessors, (148747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:03,201 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54162 states to 54162 states and 148747 transitions.
[2022-01-18 01:34:03,202 INFO  L78                 Accepts]: Start accepts. Automaton has 54162 states and 148747 transitions. Word has length 163
[2022-01-18 01:34:03,202 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:34:03,202 INFO  L470      AbstractCegarLoop]: Abstraction has 54162 states and 148747 transitions.
[2022-01-18 01:34:03,202 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:03,202 INFO  L276                IsEmpty]: Start isEmpty. Operand 54162 states and 148747 transitions.
[2022-01-18 01:34:03,263 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:34:03,263 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:34:03,263 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]
[2022-01-18 01:34:03,263 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97
[2022-01-18 01:34:03,263 INFO  L402      AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:34:03,264 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:34:03,264 INFO  L85        PathProgramCache]: Analyzing trace with hash 1774946910, now seen corresponding path program 98 times
[2022-01-18 01:34:03,264 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:34:03,264 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512697482]
[2022-01-18 01:34:03,264 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:34:03,264 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:34:03,275 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:34:03,494 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:34:03,494 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:34:03,494 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512697482]
[2022-01-18 01:34:03,494 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512697482] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:34:03,494 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:34:03,494 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:34:03,494 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016833627]
[2022-01-18 01:34:03,495 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:34:03,495 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:34:03,495 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:34:03,495 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:34:03,495 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:34:03,495 INFO  L87              Difference]: Start difference. First operand 54162 states and 148747 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:06,275 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:34:06,275 INFO  L93              Difference]: Finished difference Result 140535 states and 387230 transitions.
[2022-01-18 01:34:06,275 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-01-18 01:34:06,276 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:34:06,276 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:34:06,562 INFO  L225             Difference]: With dead ends: 140535
[2022-01-18 01:34:06,562 INFO  L226             Difference]: Without dead ends: 139645
[2022-01-18 01:34:06,562 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 888 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=772, Invalid=2768, Unknown=0, NotChecked=0, Total=3540
[2022-01-18 01:34:06,562 INFO  L933         BasicCegarLoop]: 901 mSDtfsCounter, 3485 mSDsluCounter, 10770 mSDsCounter, 0 mSdLazyCounter, 2205 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3485 SdHoareTripleChecker+Valid, 11563 SdHoareTripleChecker+Invalid, 2231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:34:06,562 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3485 Valid, 11563 Invalid, 2231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2205 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:34:06,769 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 139645 states.
[2022-01-18 01:34:08,056 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 139645 to 53486.
[2022-01-18 01:34:08,115 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53486 states, 53485 states have (on average 2.7463400953538377) internal successors, (146888), 53485 states have internal predecessors, (146888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:08,221 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53486 states to 53486 states and 146888 transitions.
[2022-01-18 01:34:08,221 INFO  L78                 Accepts]: Start accepts. Automaton has 53486 states and 146888 transitions. Word has length 163
[2022-01-18 01:34:08,221 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:34:08,221 INFO  L470      AbstractCegarLoop]: Abstraction has 53486 states and 146888 transitions.
[2022-01-18 01:34:08,221 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:08,221 INFO  L276                IsEmpty]: Start isEmpty. Operand 53486 states and 146888 transitions.
[2022-01-18 01:34:08,268 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:34:08,268 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:34:08,268 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]
[2022-01-18 01:34:08,269 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98
[2022-01-18 01:34:08,269 INFO  L402      AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:34:08,269 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:34:08,269 INFO  L85        PathProgramCache]: Analyzing trace with hash 1899374656, now seen corresponding path program 99 times
[2022-01-18 01:34:08,269 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:34:08,269 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587235315]
[2022-01-18 01:34:08,269 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:34:08,269 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:34:08,280 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:34:08,535 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:34:08,535 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:34:08,535 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587235315]
[2022-01-18 01:34:08,535 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587235315] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:34:08,535 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:34:08,536 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:34:08,536 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274218211]
[2022-01-18 01:34:08,536 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:34:08,536 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:34:08,536 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:34:08,536 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:34:08,536 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:34:08,537 INFO  L87              Difference]: Start difference. First operand 53486 states and 146888 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:11,245 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:34:11,245 INFO  L93              Difference]: Finished difference Result 126487 states and 348623 transitions.
[2022-01-18 01:34:11,246 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2022-01-18 01:34:11,246 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:34:11,246 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:34:11,509 INFO  L225             Difference]: With dead ends: 126487
[2022-01-18 01:34:11,509 INFO  L226             Difference]: Without dead ends: 126217
[2022-01-18 01:34:11,510 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=691, Invalid=2501, Unknown=0, NotChecked=0, Total=3192
[2022-01-18 01:34:11,510 INFO  L933         BasicCegarLoop]: 881 mSDtfsCounter, 2532 mSDsluCounter, 11920 mSDsCounter, 0 mSdLazyCounter, 2356 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2532 SdHoareTripleChecker+Valid, 12674 SdHoareTripleChecker+Invalid, 2382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:34:11,510 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2532 Valid, 12674 Invalid, 2382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2356 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:34:11,703 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 126217 states.
[2022-01-18 01:34:12,973 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 126217 to 53434.
[2022-01-18 01:34:13,032 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53434 states, 53433 states have (on average 2.747234854864971) internal successors, (146793), 53433 states have internal predecessors, (146793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:13,149 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53434 states to 53434 states and 146793 transitions.
[2022-01-18 01:34:13,149 INFO  L78                 Accepts]: Start accepts. Automaton has 53434 states and 146793 transitions. Word has length 163
[2022-01-18 01:34:13,149 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:34:13,150 INFO  L470      AbstractCegarLoop]: Abstraction has 53434 states and 146793 transitions.
[2022-01-18 01:34:13,150 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:13,150 INFO  L276                IsEmpty]: Start isEmpty. Operand 53434 states and 146793 transitions.
[2022-01-18 01:34:13,198 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:34:13,198 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:34:13,198 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]
[2022-01-18 01:34:13,198 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99
[2022-01-18 01:34:13,198 INFO  L402      AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:34:13,199 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:34:13,199 INFO  L85        PathProgramCache]: Analyzing trace with hash 1757275092, now seen corresponding path program 100 times
[2022-01-18 01:34:13,199 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:34:13,199 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873874940]
[2022-01-18 01:34:13,199 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:34:13,199 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:34:13,213 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:34:13,473 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:34:13,473 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:34:13,473 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873874940]
[2022-01-18 01:34:13,473 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873874940] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:34:13,473 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:34:13,473 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:34:13,473 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780626257]
[2022-01-18 01:34:13,473 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:34:13,474 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:34:13,474 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:34:13,474 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:34:13,474 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:34:13,474 INFO  L87              Difference]: Start difference. First operand 53434 states and 146793 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:16,310 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:34:16,310 INFO  L93              Difference]: Finished difference Result 148100 states and 408002 transitions.
[2022-01-18 01:34:16,310 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-01-18 01:34:16,311 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:34:16,311 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:34:16,624 INFO  L225             Difference]: With dead ends: 148100
[2022-01-18 01:34:16,624 INFO  L226             Difference]: Without dead ends: 147746
[2022-01-18 01:34:16,625 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 896 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=721, Invalid=2819, Unknown=0, NotChecked=0, Total=3540
[2022-01-18 01:34:16,625 INFO  L933         BasicCegarLoop]: 933 mSDtfsCounter, 3513 mSDsluCounter, 11122 mSDsCounter, 0 mSdLazyCounter, 2233 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3513 SdHoareTripleChecker+Valid, 11935 SdHoareTripleChecker+Invalid, 2257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:34:16,625 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3513 Valid, 11935 Invalid, 2257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2233 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:34:16,858 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 147746 states.
[2022-01-18 01:34:18,263 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 147746 to 54370.
[2022-01-18 01:34:18,325 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54370 states, 54369 states have (on average 2.746326031378175) internal successors, (149315), 54369 states have internal predecessors, (149315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:18,441 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54370 states to 54370 states and 149315 transitions.
[2022-01-18 01:34:18,441 INFO  L78                 Accepts]: Start accepts. Automaton has 54370 states and 149315 transitions. Word has length 163
[2022-01-18 01:34:18,441 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:34:18,441 INFO  L470      AbstractCegarLoop]: Abstraction has 54370 states and 149315 transitions.
[2022-01-18 01:34:18,441 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:18,441 INFO  L276                IsEmpty]: Start isEmpty. Operand 54370 states and 149315 transitions.
[2022-01-18 01:34:18,494 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:34:18,494 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:34:18,494 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]
[2022-01-18 01:34:18,495 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100
[2022-01-18 01:34:18,495 INFO  L402      AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:34:18,495 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:34:18,495 INFO  L85        PathProgramCache]: Analyzing trace with hash 825104438, now seen corresponding path program 101 times
[2022-01-18 01:34:18,495 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:34:18,495 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355208760]
[2022-01-18 01:34:18,495 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:34:18,495 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:34:18,505 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:34:18,714 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:34:18,714 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:34:18,715 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355208760]
[2022-01-18 01:34:18,715 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355208760] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:34:18,715 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:34:18,715 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:34:18,715 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543601984]
[2022-01-18 01:34:18,715 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:34:18,715 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:34:18,715 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:34:18,715 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:34:18,716 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:34:18,716 INFO  L87              Difference]: Start difference. First operand 54370 states and 149315 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:21,562 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:34:21,562 INFO  L93              Difference]: Finished difference Result 148208 states and 408303 transitions.
[2022-01-18 01:34:21,562 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-01-18 01:34:21,563 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:34:21,563 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:34:21,895 INFO  L225             Difference]: With dead ends: 148208
[2022-01-18 01:34:21,895 INFO  L226             Difference]: Without dead ends: 147894
[2022-01-18 01:34:21,896 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 923 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=763, Invalid=2897, Unknown=0, NotChecked=0, Total=3660
[2022-01-18 01:34:21,896 INFO  L933         BasicCegarLoop]: 912 mSDtfsCounter, 3233 mSDsluCounter, 11110 mSDsCounter, 0 mSdLazyCounter, 2231 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3233 SdHoareTripleChecker+Valid, 11903 SdHoareTripleChecker+Invalid, 2260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:34:21,896 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3233 Valid, 11903 Invalid, 2260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2231 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:34:22,147 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 147894 states.
[2022-01-18 01:34:23,696 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 147894 to 54214.
[2022-01-18 01:34:23,764 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54214 states, 54213 states have (on average 2.746315459391659) internal successors, (148886), 54213 states have internal predecessors, (148886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:23,892 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54214 states to 54214 states and 148886 transitions.
[2022-01-18 01:34:23,892 INFO  L78                 Accepts]: Start accepts. Automaton has 54214 states and 148886 transitions. Word has length 163
[2022-01-18 01:34:23,892 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:34:23,892 INFO  L470      AbstractCegarLoop]: Abstraction has 54214 states and 148886 transitions.
[2022-01-18 01:34:23,893 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:23,893 INFO  L276                IsEmpty]: Start isEmpty. Operand 54214 states and 148886 transitions.
[2022-01-18 01:34:23,950 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:34:23,950 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:34:23,950 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]
[2022-01-18 01:34:23,950 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101
[2022-01-18 01:34:23,950 INFO  L402      AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:34:23,951 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:34:23,951 INFO  L85        PathProgramCache]: Analyzing trace with hash -1673688886, now seen corresponding path program 102 times
[2022-01-18 01:34:23,951 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:34:23,951 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660628207]
[2022-01-18 01:34:23,951 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:34:23,951 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:34:23,961 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:34:24,199 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:34:24,199 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:34:24,199 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660628207]
[2022-01-18 01:34:24,199 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660628207] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:34:24,199 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:34:24,199 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:34:24,199 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417046260]
[2022-01-18 01:34:24,199 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:34:24,199 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:34:24,200 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:34:24,200 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:34:24,200 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:34:24,200 INFO  L87              Difference]: Start difference. First operand 54214 states and 148886 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:27,949 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:34:27,949 INFO  L93              Difference]: Finished difference Result 148031 states and 407900 transitions.
[2022-01-18 01:34:27,950 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-01-18 01:34:27,950 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:34:27,950 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:34:28,265 INFO  L225             Difference]: With dead ends: 148031
[2022-01-18 01:34:28,266 INFO  L226             Difference]: Without dead ends: 147089
[2022-01-18 01:34:28,266 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1012 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=931, Invalid=2975, Unknown=0, NotChecked=0, Total=3906
[2022-01-18 01:34:28,266 INFO  L933         BasicCegarLoop]: 882 mSDtfsCounter, 3500 mSDsluCounter, 11321 mSDsCounter, 0 mSdLazyCounter, 2290 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3500 SdHoareTripleChecker+Valid, 12108 SdHoareTripleChecker+Invalid, 2346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2022-01-18 01:34:28,266 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3500 Valid, 12108 Invalid, 2346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2290 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2022-01-18 01:34:28,525 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 147089 states.
[2022-01-18 01:34:30,066 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 147089 to 53486.
[2022-01-18 01:34:30,128 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53486 states, 53485 states have (on average 2.746265308030289) internal successors, (146884), 53485 states have internal predecessors, (146884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:30,243 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53486 states to 53486 states and 146884 transitions.
[2022-01-18 01:34:30,243 INFO  L78                 Accepts]: Start accepts. Automaton has 53486 states and 146884 transitions. Word has length 163
[2022-01-18 01:34:30,243 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:34:30,243 INFO  L470      AbstractCegarLoop]: Abstraction has 53486 states and 146884 transitions.
[2022-01-18 01:34:30,243 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:30,243 INFO  L276                IsEmpty]: Start isEmpty. Operand 53486 states and 146884 transitions.
[2022-01-18 01:34:30,295 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:34:30,295 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:34:30,295 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]
[2022-01-18 01:34:30,296 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102
[2022-01-18 01:34:30,296 INFO  L402      AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:34:30,296 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:34:30,296 INFO  L85        PathProgramCache]: Analyzing trace with hash 553225782, now seen corresponding path program 103 times
[2022-01-18 01:34:30,296 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:34:30,296 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973533042]
[2022-01-18 01:34:30,296 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:34:30,296 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:34:30,306 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:34:30,513 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:34:30,513 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:34:30,513 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973533042]
[2022-01-18 01:34:30,513 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973533042] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:34:30,513 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:34:30,513 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:34:30,514 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850834916]
[2022-01-18 01:34:30,514 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:34:30,514 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:34:30,514 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:34:30,514 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:34:30,514 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:34:30,514 INFO  L87              Difference]: Start difference. First operand 53486 states and 146884 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:33,093 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:34:33,094 INFO  L93              Difference]: Finished difference Result 131476 states and 362147 transitions.
[2022-01-18 01:34:33,094 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-01-18 01:34:33,094 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:34:33,094 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:34:33,364 INFO  L225             Difference]: With dead ends: 131476
[2022-01-18 01:34:33,364 INFO  L226             Difference]: Without dead ends: 131106
[2022-01-18 01:34:33,364 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=544, Invalid=2108, Unknown=0, NotChecked=0, Total=2652
[2022-01-18 01:34:33,364 INFO  L933         BasicCegarLoop]: 866 mSDtfsCounter, 3348 mSDsluCounter, 10909 mSDsCounter, 0 mSdLazyCounter, 2128 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3348 SdHoareTripleChecker+Valid, 11647 SdHoareTripleChecker+Invalid, 2153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2022-01-18 01:34:33,364 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3348 Valid, 11647 Invalid, 2153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2128 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2022-01-18 01:34:33,589 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 131106 states.
[2022-01-18 01:34:34,990 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 131106 to 53502.
[2022-01-18 01:34:35,057 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53502 states, 53501 states have (on average 2.7461916599689724) internal successors, (146924), 53501 states have internal predecessors, (146924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:35,186 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53502 states to 53502 states and 146924 transitions.
[2022-01-18 01:34:35,186 INFO  L78                 Accepts]: Start accepts. Automaton has 53502 states and 146924 transitions. Word has length 163
[2022-01-18 01:34:35,186 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:34:35,186 INFO  L470      AbstractCegarLoop]: Abstraction has 53502 states and 146924 transitions.
[2022-01-18 01:34:35,187 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:35,187 INFO  L276                IsEmpty]: Start isEmpty. Operand 53502 states and 146924 transitions.
[2022-01-18 01:34:35,243 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:34:35,243 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:34:35,243 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]
[2022-01-18 01:34:35,244 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103
[2022-01-18 01:34:35,244 INFO  L402      AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:34:35,244 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:34:35,244 INFO  L85        PathProgramCache]: Analyzing trace with hash -351578118, now seen corresponding path program 104 times
[2022-01-18 01:34:35,244 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:34:35,244 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241569377]
[2022-01-18 01:34:35,244 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:34:35,244 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:34:35,255 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:34:35,470 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:34:35,470 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:34:35,471 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241569377]
[2022-01-18 01:34:35,471 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241569377] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:34:35,471 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:34:35,471 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:34:35,471 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520427727]
[2022-01-18 01:34:35,471 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:34:35,471 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:34:35,471 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:34:35,471 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:34:35,471 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:34:35,471 INFO  L87              Difference]: Start difference. First operand 53502 states and 146924 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:38,321 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:34:38,321 INFO  L93              Difference]: Finished difference Result 132625 states and 365175 transitions.
[2022-01-18 01:34:38,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2022-01-18 01:34:38,322 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:34:38,322 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:34:38,688 INFO  L225             Difference]: With dead ends: 132625
[2022-01-18 01:34:38,688 INFO  L226             Difference]: Without dead ends: 132271
[2022-01-18 01:34:38,688 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=608, Invalid=2472, Unknown=0, NotChecked=0, Total=3080
[2022-01-18 01:34:38,688 INFO  L933         BasicCegarLoop]: 872 mSDtfsCounter, 3398 mSDsluCounter, 10331 mSDsCounter, 0 mSdLazyCounter, 2104 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3398 SdHoareTripleChecker+Valid, 11092 SdHoareTripleChecker+Invalid, 2133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:34:38,688 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3398 Valid, 11092 Invalid, 2133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2104 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:34:38,936 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 132271 states.
[2022-01-18 01:34:40,196 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 132271 to 53658.
[2022-01-18 01:34:40,255 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53658 states, 53657 states have (on average 2.7452336135080233) internal successors, (147301), 53657 states have internal predecessors, (147301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:40,360 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53658 states to 53658 states and 147301 transitions.
[2022-01-18 01:34:40,361 INFO  L78                 Accepts]: Start accepts. Automaton has 53658 states and 147301 transitions. Word has length 163
[2022-01-18 01:34:40,361 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:34:40,361 INFO  L470      AbstractCegarLoop]: Abstraction has 53658 states and 147301 transitions.
[2022-01-18 01:34:40,361 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:40,361 INFO  L276                IsEmpty]: Start isEmpty. Operand 53658 states and 147301 transitions.
[2022-01-18 01:34:40,409 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:34:40,409 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:34:40,409 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]
[2022-01-18 01:34:40,409 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104
[2022-01-18 01:34:40,409 INFO  L402      AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:34:40,410 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:34:40,410 INFO  L85        PathProgramCache]: Analyzing trace with hash -1283748772, now seen corresponding path program 105 times
[2022-01-18 01:34:40,410 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:34:40,410 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4618534]
[2022-01-18 01:34:40,410 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:34:40,410 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:34:40,420 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:34:40,635 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:34:40,635 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:34:40,635 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4618534]
[2022-01-18 01:34:40,635 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4618534] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:34:40,635 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:34:40,635 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:34:40,635 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838961303]
[2022-01-18 01:34:40,635 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:34:40,635 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:34:40,635 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:34:40,636 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:34:40,636 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:34:40,636 INFO  L87              Difference]: Start difference. First operand 53658 states and 147301 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:43,207 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:34:43,208 INFO  L93              Difference]: Finished difference Result 131724 states and 362893 transitions.
[2022-01-18 01:34:43,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-01-18 01:34:43,208 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:34:43,208 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:34:43,555 INFO  L225             Difference]: With dead ends: 131724
[2022-01-18 01:34:43,555 INFO  L226             Difference]: Without dead ends: 131398
[2022-01-18 01:34:43,555 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 647 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=604, Invalid=2366, Unknown=0, NotChecked=0, Total=2970
[2022-01-18 01:34:43,555 INFO  L933         BasicCegarLoop]: 850 mSDtfsCounter, 2794 mSDsluCounter, 10550 mSDsCounter, 0 mSdLazyCounter, 2107 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2794 SdHoareTripleChecker+Valid, 11282 SdHoareTripleChecker+Invalid, 2136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:34:43,555 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2794 Valid, 11282 Invalid, 2136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2107 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:34:43,762 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 131398 states.
[2022-01-18 01:34:45,067 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 131398 to 53490.
[2022-01-18 01:34:45,128 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53490 states, 53489 states have (on average 2.7461908055861954) internal successors, (146891), 53489 states have internal predecessors, (146891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:45,244 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53490 states to 53490 states and 146891 transitions.
[2022-01-18 01:34:45,244 INFO  L78                 Accepts]: Start accepts. Automaton has 53490 states and 146891 transitions. Word has length 163
[2022-01-18 01:34:45,244 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:34:45,244 INFO  L470      AbstractCegarLoop]: Abstraction has 53490 states and 146891 transitions.
[2022-01-18 01:34:45,244 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:45,245 INFO  L276                IsEmpty]: Start isEmpty. Operand 53490 states and 146891 transitions.
[2022-01-18 01:34:45,303 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:34:45,303 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:34:45,303 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]
[2022-01-18 01:34:45,303 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105
[2022-01-18 01:34:45,303 INFO  L402      AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:34:45,304 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:34:45,304 INFO  L85        PathProgramCache]: Analyzing trace with hash 644641610, now seen corresponding path program 106 times
[2022-01-18 01:34:45,304 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:34:45,304 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578869982]
[2022-01-18 01:34:45,304 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:34:45,304 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:34:45,314 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:34:45,536 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:34:45,536 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:34:45,536 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578869982]
[2022-01-18 01:34:45,536 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578869982] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:34:45,536 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:34:45,536 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:34:45,536 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573691893]
[2022-01-18 01:34:45,536 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:34:45,537 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:34:45,537 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:34:45,537 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:34:45,537 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:34:45,537 INFO  L87              Difference]: Start difference. First operand 53490 states and 146891 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:48,342 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:34:48,342 INFO  L93              Difference]: Finished difference Result 137277 states and 378180 transitions.
[2022-01-18 01:34:48,342 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. 
[2022-01-18 01:34:48,342 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:34:48,343 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:34:48,637 INFO  L225             Difference]: With dead ends: 137277
[2022-01-18 01:34:48,637 INFO  L226             Difference]: Without dead ends: 136923
[2022-01-18 01:34:48,638 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 813 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=659, Invalid=2647, Unknown=0, NotChecked=0, Total=3306
[2022-01-18 01:34:48,638 INFO  L933         BasicCegarLoop]: 906 mSDtfsCounter, 3389 mSDsluCounter, 11208 mSDsCounter, 0 mSdLazyCounter, 2198 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3389 SdHoareTripleChecker+Valid, 11985 SdHoareTripleChecker+Invalid, 2221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:34:48,638 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3389 Valid, 11985 Invalid, 2221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 2198 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:34:48,845 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 136923 states.
[2022-01-18 01:34:50,205 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 136923 to 53698.
[2022-01-18 01:34:50,265 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53698 states, 53697 states have (on average 2.745237164087379) internal successors, (147411), 53697 states have internal predecessors, (147411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:50,377 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53698 states to 53698 states and 147411 transitions.
[2022-01-18 01:34:50,377 INFO  L78                 Accepts]: Start accepts. Automaton has 53698 states and 147411 transitions. Word has length 163
[2022-01-18 01:34:50,377 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:34:50,377 INFO  L470      AbstractCegarLoop]: Abstraction has 53698 states and 147411 transitions.
[2022-01-18 01:34:50,377 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:50,377 INFO  L276                IsEmpty]: Start isEmpty. Operand 53698 states and 147411 transitions.
[2022-01-18 01:34:50,437 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:34:50,437 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:34:50,437 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]
[2022-01-18 01:34:50,437 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106
[2022-01-18 01:34:50,437 INFO  L402      AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:34:50,438 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:34:50,438 INFO  L85        PathProgramCache]: Analyzing trace with hash -287529044, now seen corresponding path program 107 times
[2022-01-18 01:34:50,438 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:34:50,438 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302976088]
[2022-01-18 01:34:50,438 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:34:50,438 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:34:50,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:34:50,704 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:34:50,704 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:34:50,704 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302976088]
[2022-01-18 01:34:50,705 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302976088] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:34:50,705 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:34:50,705 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:34:50,705 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859935788]
[2022-01-18 01:34:50,705 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:34:50,705 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:34:50,705 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:34:50,705 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:34:50,705 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:34:50,706 INFO  L87              Difference]: Start difference. First operand 53698 states and 147411 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:53,569 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:34:53,569 INFO  L93              Difference]: Finished difference Result 136977 states and 377483 transitions.
[2022-01-18 01:34:53,570 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-01-18 01:34:53,570 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:34:53,570 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:34:53,868 INFO  L225             Difference]: With dead ends: 136977
[2022-01-18 01:34:53,868 INFO  L226             Difference]: Without dead ends: 136663
[2022-01-18 01:34:53,868 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 841 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=699, Invalid=2723, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:34:53,868 INFO  L933         BasicCegarLoop]: 881 mSDtfsCounter, 2948 mSDsluCounter, 10773 mSDsCounter, 0 mSdLazyCounter, 2168 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2948 SdHoareTripleChecker+Valid, 11535 SdHoareTripleChecker+Invalid, 2198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 2168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:34:53,869 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2948 Valid, 11535 Invalid, 2198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 2168 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:34:54,073 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 136663 states.
[2022-01-18 01:34:55,446 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 136663 to 53542.
[2022-01-18 01:34:55,511 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53542 states, 53541 states have (on average 2.7452232868269175) internal successors, (146982), 53541 states have internal predecessors, (146982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:55,630 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53542 states to 53542 states and 146982 transitions.
[2022-01-18 01:34:55,630 INFO  L78                 Accepts]: Start accepts. Automaton has 53542 states and 146982 transitions. Word has length 163
[2022-01-18 01:34:55,630 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:34:55,630 INFO  L470      AbstractCegarLoop]: Abstraction has 53542 states and 146982 transitions.
[2022-01-18 01:34:55,630 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:55,630 INFO  L276                IsEmpty]: Start isEmpty. Operand 53542 states and 146982 transitions.
[2022-01-18 01:34:55,680 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:34:55,681 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:34:55,681 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]
[2022-01-18 01:34:55,681 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107
[2022-01-18 01:34:55,681 INFO  L402      AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:34:55,681 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:34:55,681 INFO  L85        PathProgramCache]: Analyzing trace with hash 1508644928, now seen corresponding path program 108 times
[2022-01-18 01:34:55,681 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:34:55,681 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537758314]
[2022-01-18 01:34:55,681 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:34:55,682 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:34:55,691 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:34:55,894 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:34:55,894 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:34:55,894 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537758314]
[2022-01-18 01:34:55,894 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537758314] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:34:55,894 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:34:55,894 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:34:55,895 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312031776]
[2022-01-18 01:34:55,895 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:34:55,895 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:34:55,895 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:34:55,895 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:34:55,895 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:34:55,895 INFO  L87              Difference]: Start difference. First operand 53542 states and 146982 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:34:58,584 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:34:58,584 INFO  L93              Difference]: Finished difference Result 136040 states and 374974 transitions.
[2022-01-18 01:34:58,584 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. 
[2022-01-18 01:34:58,584 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:34:58,585 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:34:58,866 INFO  L225             Difference]: With dead ends: 136040
[2022-01-18 01:34:58,866 INFO  L226             Difference]: Without dead ends: 135766
[2022-01-18 01:34:58,866 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 822 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=693, Invalid=2613, Unknown=0, NotChecked=0, Total=3306
[2022-01-18 01:34:58,866 INFO  L933         BasicCegarLoop]: 875 mSDtfsCounter, 3043 mSDsluCounter, 11008 mSDsCounter, 0 mSdLazyCounter, 2188 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3043 SdHoareTripleChecker+Valid, 11757 SdHoareTripleChecker+Invalid, 2213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:34:58,866 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3043 Valid, 11757 Invalid, 2213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2188 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:34:59,067 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 135766 states.
[2022-01-18 01:35:00,360 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 135766 to 53430.
[2022-01-18 01:35:00,420 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53430 states, 53429 states have (on average 2.7472346478504184) internal successors, (146782), 53429 states have internal predecessors, (146782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:00,529 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53430 states to 53430 states and 146782 transitions.
[2022-01-18 01:35:00,530 INFO  L78                 Accepts]: Start accepts. Automaton has 53430 states and 146782 transitions. Word has length 163
[2022-01-18 01:35:00,530 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:35:00,530 INFO  L470      AbstractCegarLoop]: Abstraction has 53430 states and 146782 transitions.
[2022-01-18 01:35:00,530 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:00,530 INFO  L276                IsEmpty]: Start isEmpty. Operand 53430 states and 146782 transitions.
[2022-01-18 01:35:00,578 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:35:00,578 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:35:00,578 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]
[2022-01-18 01:35:00,579 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108
[2022-01-18 01:35:00,579 INFO  L402      AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:35:00,579 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:35:00,579 INFO  L85        PathProgramCache]: Analyzing trace with hash 13473190, now seen corresponding path program 109 times
[2022-01-18 01:35:00,579 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:35:00,579 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689753760]
[2022-01-18 01:35:00,579 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:35:00,579 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:35:00,589 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:35:00,799 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:35:00,799 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:35:00,799 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689753760]
[2022-01-18 01:35:00,800 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689753760] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:35:00,800 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:35:00,800 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:35:00,800 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854415946]
[2022-01-18 01:35:00,800 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:35:00,800 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:35:00,800 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:35:00,800 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:35:00,800 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:35:00,800 INFO  L87              Difference]: Start difference. First operand 53430 states and 146782 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:03,536 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:35:03,536 INFO  L93              Difference]: Finished difference Result 128708 states and 354661 transitions.
[2022-01-18 01:35:03,539 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-01-18 01:35:03,539 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:35:03,539 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:35:03,840 INFO  L225             Difference]: With dead ends: 128708
[2022-01-18 01:35:03,840 INFO  L226             Difference]: Without dead ends: 128354
[2022-01-18 01:35:03,840 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 872 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=700, Invalid=2722, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:35:03,840 INFO  L933         BasicCegarLoop]: 907 mSDtfsCounter, 3596 mSDsluCounter, 10697 mSDsCounter, 0 mSdLazyCounter, 2074 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3596 SdHoareTripleChecker+Valid, 11497 SdHoareTripleChecker+Invalid, 2099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:35:03,840 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3596 Valid, 11497 Invalid, 2099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2074 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:35:04,057 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 128354 states.
[2022-01-18 01:35:05,410 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 128354 to 54522.
[2022-01-18 01:35:05,472 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54522 states, 54521 states have (on average 2.74633627409622) internal successors, (149733), 54521 states have internal predecessors, (149733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:05,596 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54522 states to 54522 states and 149733 transitions.
[2022-01-18 01:35:05,596 INFO  L78                 Accepts]: Start accepts. Automaton has 54522 states and 149733 transitions. Word has length 163
[2022-01-18 01:35:05,596 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:35:05,596 INFO  L470      AbstractCegarLoop]: Abstraction has 54522 states and 149733 transitions.
[2022-01-18 01:35:05,597 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:05,597 INFO  L276                IsEmpty]: Start isEmpty. Operand 54522 states and 149733 transitions.
[2022-01-18 01:35:05,658 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:35:05,658 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:35:05,658 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]
[2022-01-18 01:35:05,659 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109
[2022-01-18 01:35:05,659 INFO  L402      AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:35:05,659 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:35:05,659 INFO  L85        PathProgramCache]: Analyzing trace with hash -918697464, now seen corresponding path program 110 times
[2022-01-18 01:35:05,659 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:35:05,659 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207771069]
[2022-01-18 01:35:05,659 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:35:05,659 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:35:05,669 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:35:05,890 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:35:05,890 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:35:05,890 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207771069]
[2022-01-18 01:35:05,890 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207771069] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:35:05,890 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:35:05,890 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:35:05,890 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641701618]
[2022-01-18 01:35:05,890 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:35:05,891 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:35:05,891 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:35:05,891 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:35:05,891 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:35:05,891 INFO  L87              Difference]: Start difference. First operand 54522 states and 149733 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:08,709 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:35:08,709 INFO  L93              Difference]: Finished difference Result 128816 states and 354962 transitions.
[2022-01-18 01:35:08,710 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-01-18 01:35:08,710 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:35:08,710 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:35:08,990 INFO  L225             Difference]: With dead ends: 128816
[2022-01-18 01:35:08,990 INFO  L226             Difference]: Without dead ends: 128502
[2022-01-18 01:35:08,990 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 898 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=740, Invalid=2800, Unknown=0, NotChecked=0, Total=3540
[2022-01-18 01:35:08,990 INFO  L933         BasicCegarLoop]: 886 mSDtfsCounter, 3113 mSDsluCounter, 11071 mSDsCounter, 0 mSdLazyCounter, 2098 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3113 SdHoareTripleChecker+Valid, 11843 SdHoareTripleChecker+Invalid, 2128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 2098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:35:08,991 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3113 Valid, 11843 Invalid, 2128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 2098 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:35:09,182 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 128502 states.
[2022-01-18 01:35:10,533 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 128502 to 54366.
[2022-01-18 01:35:10,596 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54366 states, 54365 states have (on average 2.7463257610595053) internal successors, (149304), 54365 states have internal predecessors, (149304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:10,721 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54366 states to 54366 states and 149304 transitions.
[2022-01-18 01:35:10,721 INFO  L78                 Accepts]: Start accepts. Automaton has 54366 states and 149304 transitions. Word has length 163
[2022-01-18 01:35:10,721 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:35:10,721 INFO  L470      AbstractCegarLoop]: Abstraction has 54366 states and 149304 transitions.
[2022-01-18 01:35:10,721 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:10,721 INFO  L276                IsEmpty]: Start isEmpty. Operand 54366 states and 149304 transitions.
[2022-01-18 01:35:10,781 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:35:10,781 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:35:10,781 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]
[2022-01-18 01:35:10,781 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110
[2022-01-18 01:35:10,781 INFO  L402      AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:35:10,782 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:35:10,782 INFO  L85        PathProgramCache]: Analyzing trace with hash 877476508, now seen corresponding path program 111 times
[2022-01-18 01:35:10,782 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:35:10,782 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849037571]
[2022-01-18 01:35:10,782 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:35:10,782 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:35:10,794 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:35:11,063 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:35:11,064 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:35:11,064 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849037571]
[2022-01-18 01:35:11,064 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849037571] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:35:11,064 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:35:11,064 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:35:11,064 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725489075]
[2022-01-18 01:35:11,064 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:35:11,064 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:35:11,064 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:35:11,064 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:35:11,064 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:35:11,065 INFO  L87              Difference]: Start difference. First operand 54366 states and 149304 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:14,691 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:35:14,691 INFO  L93              Difference]: Finished difference Result 128639 states and 354559 transitions.
[2022-01-18 01:35:14,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-01-18 01:35:14,692 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:35:14,692 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:35:14,999 INFO  L225             Difference]: With dead ends: 128639
[2022-01-18 01:35:14,999 INFO  L226             Difference]: Without dead ends: 127697
[2022-01-18 01:35:14,999 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 982 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=899, Invalid=2883, Unknown=0, NotChecked=0, Total=3782
[2022-01-18 01:35:15,000 INFO  L933         BasicCegarLoop]: 865 mSDtfsCounter, 3627 mSDsluCounter, 11264 mSDsCounter, 0 mSdLazyCounter, 2149 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3627 SdHoareTripleChecker+Valid, 12040 SdHoareTripleChecker+Invalid, 2207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:35:15,000 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3627 Valid, 12040 Invalid, 2207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2149 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:35:15,225 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 127697 states.
[2022-01-18 01:35:16,526 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 127697 to 53638.
[2022-01-18 01:35:16,591 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53638 states, 53637 states have (on average 2.7462758916419636) internal successors, (147302), 53637 states have internal predecessors, (147302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:16,714 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53638 states to 53638 states and 147302 transitions.
[2022-01-18 01:35:16,714 INFO  L78                 Accepts]: Start accepts. Automaton has 53638 states and 147302 transitions. Word has length 163
[2022-01-18 01:35:16,714 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:35:16,714 INFO  L470      AbstractCegarLoop]: Abstraction has 53638 states and 147302 transitions.
[2022-01-18 01:35:16,714 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:16,714 INFO  L276                IsEmpty]: Start isEmpty. Operand 53638 states and 147302 transitions.
[2022-01-18 01:35:16,771 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:35:16,771 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:35:16,771 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]
[2022-01-18 01:35:16,772 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111
[2022-01-18 01:35:16,772 INFO  L402      AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:35:16,772 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:35:16,772 INFO  L85        PathProgramCache]: Analyzing trace with hash -1190576120, now seen corresponding path program 112 times
[2022-01-18 01:35:16,772 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:35:16,772 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915528108]
[2022-01-18 01:35:16,772 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:35:16,772 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:35:16,784 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:35:17,000 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:35:17,000 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:35:17,000 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915528108]
[2022-01-18 01:35:17,000 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915528108] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:35:17,000 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:35:17,000 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:35:17,000 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268672607]
[2022-01-18 01:35:17,000 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:35:17,000 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:35:17,000 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:35:17,001 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:35:17,001 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:35:17,001 INFO  L87              Difference]: Start difference. First operand 53638 states and 147302 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:19,582 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:35:19,583 INFO  L93              Difference]: Finished difference Result 127332 states and 350765 transitions.
[2022-01-18 01:35:19,583 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2022-01-18 01:35:19,583 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:35:19,583 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:35:19,891 INFO  L225             Difference]: With dead ends: 127332
[2022-01-18 01:35:19,891 INFO  L226             Difference]: Without dead ends: 126962
[2022-01-18 01:35:19,891 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 606 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=570, Invalid=2186, Unknown=0, NotChecked=0, Total=2756
[2022-01-18 01:35:19,892 INFO  L933         BasicCegarLoop]: 839 mSDtfsCounter, 3529 mSDsluCounter, 9993 mSDsCounter, 0 mSdLazyCounter, 1928 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3529 SdHoareTripleChecker+Valid, 10720 SdHoareTripleChecker+Invalid, 1952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:35:19,892 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3529 Valid, 10720 Invalid, 1952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1928 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:35:20,101 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 126962 states.
[2022-01-18 01:35:21,430 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 126962 to 53654.
[2022-01-18 01:35:21,492 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53654 states, 53653 states have (on average 2.7462024490708816) internal successors, (147342), 53653 states have internal predecessors, (147342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:21,616 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53654 states to 53654 states and 147342 transitions.
[2022-01-18 01:35:21,616 INFO  L78                 Accepts]: Start accepts. Automaton has 53654 states and 147342 transitions. Word has length 163
[2022-01-18 01:35:21,616 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:35:21,616 INFO  L470      AbstractCegarLoop]: Abstraction has 53654 states and 147342 transitions.
[2022-01-18 01:35:21,616 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:21,617 INFO  L276                IsEmpty]: Start isEmpty. Operand 53654 states and 147342 transitions.
[2022-01-18 01:35:21,674 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:35:21,674 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:35:21,674 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]
[2022-01-18 01:35:21,674 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112
[2022-01-18 01:35:21,675 INFO  L402      AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:35:21,675 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:35:21,675 INFO  L85        PathProgramCache]: Analyzing trace with hash -2095380020, now seen corresponding path program 113 times
[2022-01-18 01:35:21,675 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:35:21,675 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012244104]
[2022-01-18 01:35:21,675 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:35:21,675 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:35:21,690 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:35:21,905 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:35:21,905 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:35:21,905 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012244104]
[2022-01-18 01:35:21,905 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012244104] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:35:21,905 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:35:21,905 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:35:21,905 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742962812]
[2022-01-18 01:35:21,905 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:35:21,905 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:35:21,906 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:35:21,906 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:35:21,906 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:35:21,906 INFO  L87              Difference]: Start difference. First operand 53654 states and 147342 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:24,170 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:35:24,170 INFO  L93              Difference]: Finished difference Result 128481 states and 353793 transitions.
[2022-01-18 01:35:24,171 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. 
[2022-01-18 01:35:24,171 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:35:24,171 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:35:24,821 INFO  L225             Difference]: With dead ends: 128481
[2022-01-18 01:35:24,821 INFO  L226             Difference]: Without dead ends: 128127
[2022-01-18 01:35:24,822 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 757 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=636, Invalid=2556, Unknown=0, NotChecked=0, Total=3192
[2022-01-18 01:35:24,822 INFO  L933         BasicCegarLoop]: 845 mSDtfsCounter, 3561 mSDsluCounter, 10545 mSDsCounter, 0 mSdLazyCounter, 1984 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3561 SdHoareTripleChecker+Valid, 11271 SdHoareTripleChecker+Invalid, 2014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:35:24,822 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3561 Valid, 11271 Invalid, 2014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1984 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:35:25,024 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 128127 states.
[2022-01-18 01:35:26,320 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 128127 to 53810.
[2022-01-18 01:35:26,381 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53810 states, 53809 states have (on average 2.7452470776264195) internal successors, (147719), 53809 states have internal predecessors, (147719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:26,503 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53810 states to 53810 states and 147719 transitions.
[2022-01-18 01:35:26,503 INFO  L78                 Accepts]: Start accepts. Automaton has 53810 states and 147719 transitions. Word has length 163
[2022-01-18 01:35:26,503 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:35:26,503 INFO  L470      AbstractCegarLoop]: Abstraction has 53810 states and 147719 transitions.
[2022-01-18 01:35:26,503 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:26,503 INFO  L276                IsEmpty]: Start isEmpty. Operand 53810 states and 147719 transitions.
[2022-01-18 01:35:26,560 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:35:26,560 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:35:26,560 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]
[2022-01-18 01:35:26,560 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113
[2022-01-18 01:35:26,560 INFO  L402      AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:35:26,561 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:35:26,561 INFO  L85        PathProgramCache]: Analyzing trace with hash 1267416622, now seen corresponding path program 114 times
[2022-01-18 01:35:26,561 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:35:26,561 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275017027]
[2022-01-18 01:35:26,561 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:35:26,561 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:35:26,571 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:35:26,784 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:35:26,784 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:35:26,784 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275017027]
[2022-01-18 01:35:26,784 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275017027] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:35:26,784 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:35:26,784 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:35:26,784 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655756722]
[2022-01-18 01:35:26,784 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:35:26,785 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:35:26,785 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:35:26,785 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:35:26,785 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:35:26,785 INFO  L87              Difference]: Start difference. First operand 53810 states and 147719 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:29,036 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:35:29,036 INFO  L93              Difference]: Finished difference Result 127580 states and 351511 transitions.
[2022-01-18 01:35:29,037 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2022-01-18 01:35:29,037 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:35:29,037 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:35:29,691 INFO  L225             Difference]: With dead ends: 127580
[2022-01-18 01:35:29,691 INFO  L226             Difference]: Without dead ends: 127254
[2022-01-18 01:35:29,691 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 705 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=632, Invalid=2448, Unknown=0, NotChecked=0, Total=3080
[2022-01-18 01:35:29,691 INFO  L933         BasicCegarLoop]: 823 mSDtfsCounter, 2990 mSDsluCounter, 10391 mSDsCounter, 0 mSdLazyCounter, 1963 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2990 SdHoareTripleChecker+Valid, 11096 SdHoareTripleChecker+Invalid, 1994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:35:29,691 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2990 Valid, 11096 Invalid, 1994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1963 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:35:29,862 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 127254 states.
[2022-01-18 01:35:31,091 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 127254 to 53642.
[2022-01-18 01:35:31,145 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53642 states, 53641 states have (on average 2.7462015995227533) internal successors, (147309), 53641 states have internal predecessors, (147309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:31,251 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53642 states to 53642 states and 147309 transitions.
[2022-01-18 01:35:31,251 INFO  L78                 Accepts]: Start accepts. Automaton has 53642 states and 147309 transitions. Word has length 163
[2022-01-18 01:35:31,251 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:35:31,251 INFO  L470      AbstractCegarLoop]: Abstraction has 53642 states and 147309 transitions.
[2022-01-18 01:35:31,251 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:31,252 INFO  L276                IsEmpty]: Start isEmpty. Operand 53642 states and 147309 transitions.
[2022-01-18 01:35:31,301 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:35:31,301 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:35:31,301 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]
[2022-01-18 01:35:31,301 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114
[2022-01-18 01:35:31,301 INFO  L402      AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:35:31,301 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:35:31,302 INFO  L85        PathProgramCache]: Analyzing trace with hash -1099160292, now seen corresponding path program 115 times
[2022-01-18 01:35:31,302 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:35:31,302 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795708152]
[2022-01-18 01:35:31,302 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:35:31,302 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:35:31,311 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:35:31,522 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:35:31,522 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:35:31,522 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795708152]
[2022-01-18 01:35:31,522 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795708152] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:35:31,522 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:35:31,522 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:35:31,522 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351138500]
[2022-01-18 01:35:31,522 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:35:31,522 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:35:31,522 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:35:31,522 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:35:31,523 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:35:31,523 INFO  L87              Difference]: Start difference. First operand 53642 states and 147309 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:33,781 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:35:33,781 INFO  L93              Difference]: Finished difference Result 133133 states and 366798 transitions.
[2022-01-18 01:35:33,782 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-01-18 01:35:33,782 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:35:33,782 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:35:34,402 INFO  L225             Difference]: With dead ends: 133133
[2022-01-18 01:35:34,402 INFO  L226             Difference]: Without dead ends: 132779
[2022-01-18 01:35:34,402 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 873 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=688, Invalid=2734, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:35:34,403 INFO  L933         BasicCegarLoop]: 879 mSDtfsCounter, 3352 mSDsluCounter, 11371 mSDsCounter, 0 mSdLazyCounter, 2069 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3352 SdHoareTripleChecker+Valid, 12113 SdHoareTripleChecker+Invalid, 2092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:35:34,403 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3352 Valid, 12113 Invalid, 2092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 2069 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:35:34,593 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 132779 states.
[2022-01-18 01:35:35,916 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 132779 to 53850.
[2022-01-18 01:35:35,972 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53850 states, 53849 states have (on average 2.745250608182139) internal successors, (147829), 53849 states have internal predecessors, (147829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:36,083 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53850 states to 53850 states and 147829 transitions.
[2022-01-18 01:35:36,084 INFO  L78                 Accepts]: Start accepts. Automaton has 53850 states and 147829 transitions. Word has length 163
[2022-01-18 01:35:36,084 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:35:36,084 INFO  L470      AbstractCegarLoop]: Abstraction has 53850 states and 147829 transitions.
[2022-01-18 01:35:36,084 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:36,084 INFO  L276                IsEmpty]: Start isEmpty. Operand 53850 states and 147829 transitions.
[2022-01-18 01:35:36,135 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:35:36,136 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:35:36,136 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]
[2022-01-18 01:35:36,136 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115
[2022-01-18 01:35:36,136 INFO  L402      AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:35:36,136 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:35:36,136 INFO  L85        PathProgramCache]: Analyzing trace with hash -2031330946, now seen corresponding path program 116 times
[2022-01-18 01:35:36,136 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:35:36,136 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980939646]
[2022-01-18 01:35:36,136 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:35:36,136 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:35:36,152 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:35:36,364 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:35:36,364 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:35:36,364 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980939646]
[2022-01-18 01:35:36,364 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980939646] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:35:36,364 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:35:36,364 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:35:36,364 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607074231]
[2022-01-18 01:35:36,364 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:35:36,364 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:35:36,364 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:35:36,365 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:35:36,365 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:35:36,365 INFO  L87              Difference]: Start difference. First operand 53850 states and 147829 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:38,809 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:35:38,810 INFO  L93              Difference]: Finished difference Result 132833 states and 366101 transitions.
[2022-01-18 01:35:38,810 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2022-01-18 01:35:38,810 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:35:38,810 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:35:39,459 INFO  L225             Difference]: With dead ends: 132833
[2022-01-18 01:35:39,459 INFO  L226             Difference]: Without dead ends: 132519
[2022-01-18 01:35:39,459 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 902 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=730, Invalid=2810, Unknown=0, NotChecked=0, Total=3540
[2022-01-18 01:35:39,459 INFO  L933         BasicCegarLoop]: 854 mSDtfsCounter, 2916 mSDsluCounter, 11172 mSDsCounter, 0 mSdLazyCounter, 2144 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2916 SdHoareTripleChecker+Valid, 11898 SdHoareTripleChecker+Invalid, 2173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:35:39,459 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2916 Valid, 11898 Invalid, 2173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2144 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:35:39,662 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 132519 states.
[2022-01-18 01:35:41,016 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 132519 to 53694.
[2022-01-18 01:35:41,097 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53694 states, 53693 states have (on average 2.745236809267502) internal successors, (147400), 53693 states have internal predecessors, (147400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:41,253 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53694 states to 53694 states and 147400 transitions.
[2022-01-18 01:35:41,253 INFO  L78                 Accepts]: Start accepts. Automaton has 53694 states and 147400 transitions. Word has length 163
[2022-01-18 01:35:41,253 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:35:41,253 INFO  L470      AbstractCegarLoop]: Abstraction has 53694 states and 147400 transitions.
[2022-01-18 01:35:41,253 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:41,253 INFO  L276                IsEmpty]: Start isEmpty. Operand 53694 states and 147400 transitions.
[2022-01-18 01:35:41,311 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:35:41,311 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:35:41,312 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]
[2022-01-18 01:35:41,312 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116
[2022-01-18 01:35:41,312 INFO  L402      AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:35:41,312 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:35:41,312 INFO  L85        PathProgramCache]: Analyzing trace with hash -235156974, now seen corresponding path program 117 times
[2022-01-18 01:35:41,312 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:35:41,312 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156195505]
[2022-01-18 01:35:41,312 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:35:41,312 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:35:41,323 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:35:41,559 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:35:41,559 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:35:41,559 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156195505]
[2022-01-18 01:35:41,559 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156195505] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:35:41,559 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:35:41,559 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:35:41,559 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589217466]
[2022-01-18 01:35:41,559 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:35:41,560 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:35:41,560 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:35:41,560 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:35:41,560 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:35:41,560 INFO  L87              Difference]: Start difference. First operand 53694 states and 147400 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:44,778 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:35:44,778 INFO  L93              Difference]: Finished difference Result 131896 states and 363592 transitions.
[2022-01-18 01:35:44,778 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-01-18 01:35:44,779 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:35:44,779 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:35:45,072 INFO  L225             Difference]: With dead ends: 131896
[2022-01-18 01:35:45,073 INFO  L226             Difference]: Without dead ends: 131626
[2022-01-18 01:35:45,073 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 734 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=746, Invalid=2334, Unknown=0, NotChecked=0, Total=3080
[2022-01-18 01:35:45,073 INFO  L933         BasicCegarLoop]: 779 mSDtfsCounter, 3107 mSDsluCounter, 10064 mSDsCounter, 0 mSdLazyCounter, 1949 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3107 SdHoareTripleChecker+Valid, 10749 SdHoareTripleChecker+Invalid, 1996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:35:45,073 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3107 Valid, 10749 Invalid, 1996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1949 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:35:45,295 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 131626 states.
[2022-01-18 01:35:46,639 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 131626 to 53586.
[2022-01-18 01:35:46,705 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53586 states, 53585 states have (on average 2.746272277689652) internal successors, (147159), 53585 states have internal predecessors, (147159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:46,824 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53586 states to 53586 states and 147159 transitions.
[2022-01-18 01:35:46,825 INFO  L78                 Accepts]: Start accepts. Automaton has 53586 states and 147159 transitions. Word has length 163
[2022-01-18 01:35:46,825 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:35:46,825 INFO  L470      AbstractCegarLoop]: Abstraction has 53586 states and 147159 transitions.
[2022-01-18 01:35:46,825 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:46,825 INFO  L276                IsEmpty]: Start isEmpty. Operand 53586 states and 147159 transitions.
[2022-01-18 01:35:46,878 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:35:46,879 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:35:46,879 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]
[2022-01-18 01:35:46,879 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117
[2022-01-18 01:35:46,879 INFO  L402      AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:35:46,879 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:35:46,879 INFO  L85        PathProgramCache]: Analyzing trace with hash -2031288886, now seen corresponding path program 118 times
[2022-01-18 01:35:46,879 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:35:46,880 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124854120]
[2022-01-18 01:35:46,880 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:35:46,880 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:35:46,890 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:35:47,109 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:35:47,110 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:35:47,110 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124854120]
[2022-01-18 01:35:47,110 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124854120] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:35:47,110 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:35:47,110 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:35:47,110 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880518239]
[2022-01-18 01:35:47,110 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:35:47,110 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:35:47,110 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:35:47,110 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:35:47,110 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:35:47,111 INFO  L87              Difference]: Start difference. First operand 53586 states and 147159 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:49,026 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:35:49,026 INFO  L93              Difference]: Finished difference Result 111708 states and 307760 transitions.
[2022-01-18 01:35:49,027 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. 
[2022-01-18 01:35:49,027 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:35:49,027 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:35:49,648 INFO  L225             Difference]: With dead ends: 111708
[2022-01-18 01:35:49,648 INFO  L226             Difference]: Without dead ends: 111290
[2022-01-18 01:35:49,648 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=486, Invalid=1964, Unknown=0, NotChecked=0, Total=2450
[2022-01-18 01:35:49,649 INFO  L933         BasicCegarLoop]: 811 mSDtfsCounter, 3376 mSDsluCounter, 9585 mSDsCounter, 0 mSdLazyCounter, 1598 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3376 SdHoareTripleChecker+Valid, 10294 SdHoareTripleChecker+Invalid, 1625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-01-18 01:35:49,649 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3376 Valid, 10294 Invalid, 1625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1598 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-01-18 01:35:49,844 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 111290 states.
[2022-01-18 01:35:50,784 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 111290 to 53634.
[2022-01-18 01:35:50,848 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53634 states, 53633 states have (on average 2.7460518710495405) internal successors, (147279), 53633 states have internal predecessors, (147279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:51,340 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53634 states to 53634 states and 147279 transitions.
[2022-01-18 01:35:51,340 INFO  L78                 Accepts]: Start accepts. Automaton has 53634 states and 147279 transitions. Word has length 163
[2022-01-18 01:35:51,340 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:35:51,340 INFO  L470      AbstractCegarLoop]: Abstraction has 53634 states and 147279 transitions.
[2022-01-18 01:35:51,340 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:51,340 INFO  L276                IsEmpty]: Start isEmpty. Operand 53634 states and 147279 transitions.
[2022-01-18 01:35:51,396 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:35:51,396 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:35:51,397 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]
[2022-01-18 01:35:51,397 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118
[2022-01-18 01:35:51,397 INFO  L402      AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:35:51,397 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:35:51,397 INFO  L85        PathProgramCache]: Analyzing trace with hash -1126675610, now seen corresponding path program 119 times
[2022-01-18 01:35:51,397 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:35:51,397 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770872768]
[2022-01-18 01:35:51,397 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:35:51,397 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:35:51,408 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:35:51,619 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:35:51,619 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:35:51,619 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770872768]
[2022-01-18 01:35:51,619 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770872768] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:35:51,619 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:35:51,619 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:35:51,619 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408431007]
[2022-01-18 01:35:51,619 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:35:51,619 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:35:51,620 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:35:51,620 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:35:51,620 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:35:51,620 INFO  L87              Difference]: Start difference. First operand 53634 states and 147279 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:53,559 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:35:53,560 INFO  L93              Difference]: Finished difference Result 113173 states and 311561 transitions.
[2022-01-18 01:35:53,560 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-01-18 01:35:53,560 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:35:53,560 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:35:53,797 INFO  L225             Difference]: With dead ends: 113173
[2022-01-18 01:35:53,797 INFO  L226             Difference]: Without dead ends: 112803
[2022-01-18 01:35:53,798 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 575 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=519, Invalid=2133, Unknown=0, NotChecked=0, Total=2652
[2022-01-18 01:35:53,798 INFO  L933         BasicCegarLoop]: 800 mSDtfsCounter, 3444 mSDsluCounter, 9646 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3444 SdHoareTripleChecker+Valid, 10344 SdHoareTripleChecker+Invalid, 1744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-01-18 01:35:53,798 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3444 Valid, 10344 Invalid, 1744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1710 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-01-18 01:35:53,996 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 112803 states.
[2022-01-18 01:35:55,276 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 112803 to 53646.
[2022-01-18 01:35:55,341 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53646 states, 53645 states have (on average 2.7459781899524653) internal successors, (147308), 53645 states have internal predecessors, (147308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:55,448 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53646 states to 53646 states and 147308 transitions.
[2022-01-18 01:35:55,448 INFO  L78                 Accepts]: Start accepts. Automaton has 53646 states and 147308 transitions. Word has length 163
[2022-01-18 01:35:55,448 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:35:55,448 INFO  L470      AbstractCegarLoop]: Abstraction has 53646 states and 147308 transitions.
[2022-01-18 01:35:55,448 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:55,448 INFO  L276                IsEmpty]: Start isEmpty. Operand 53646 states and 147308 transitions.
[2022-01-18 01:35:55,496 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:35:55,496 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:35:55,497 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]
[2022-01-18 01:35:55,497 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119
[2022-01-18 01:35:55,497 INFO  L402      AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:35:55,497 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:35:55,497 INFO  L85        PathProgramCache]: Analyzing trace with hash -2031479510, now seen corresponding path program 120 times
[2022-01-18 01:35:55,497 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:35:55,497 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388271909]
[2022-01-18 01:35:55,497 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:35:55,497 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:35:55,508 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:35:55,707 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:35:55,707 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:35:55,708 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388271909]
[2022-01-18 01:35:55,708 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388271909] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:35:55,708 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:35:55,708 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:35:55,708 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134147841]
[2022-01-18 01:35:55,708 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:35:55,708 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:35:55,708 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:35:55,708 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:35:55,708 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:35:55,708 INFO  L87              Difference]: Start difference. First operand 53646 states and 147308 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:57,923 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:35:57,923 INFO  L93              Difference]: Finished difference Result 112821 states and 310693 transitions.
[2022-01-18 01:35:57,923 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2022-01-18 01:35:57,924 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:35:57,924 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:35:58,146 INFO  L225             Difference]: With dead ends: 112821
[2022-01-18 01:35:58,146 INFO  L226             Difference]: Without dead ends: 112467
[2022-01-18 01:35:58,147 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 654 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=543, Invalid=2319, Unknown=0, NotChecked=0, Total=2862
[2022-01-18 01:35:58,147 INFO  L933         BasicCegarLoop]: 805 mSDtfsCounter, 3038 mSDsluCounter, 10089 mSDsCounter, 0 mSdLazyCounter, 1743 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3038 SdHoareTripleChecker+Valid, 10786 SdHoareTripleChecker+Invalid, 1775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2022-01-18 01:35:58,147 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3038 Valid, 10786 Invalid, 1775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1743 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2022-01-18 01:35:58,327 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 112467 states.
[2022-01-18 01:35:59,516 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 112467 to 53802.
[2022-01-18 01:35:59,576 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53802 states, 53801 states have (on average 2.7450233267039645) internal successors, (147685), 53801 states have internal predecessors, (147685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:59,682 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53802 states to 53802 states and 147685 transitions.
[2022-01-18 01:35:59,682 INFO  L78                 Accepts]: Start accepts. Automaton has 53802 states and 147685 transitions. Word has length 163
[2022-01-18 01:35:59,682 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:35:59,682 INFO  L470      AbstractCegarLoop]: Abstraction has 53802 states and 147685 transitions.
[2022-01-18 01:35:59,682 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:35:59,682 INFO  L276                IsEmpty]: Start isEmpty. Operand 53802 states and 147685 transitions.
[2022-01-18 01:35:59,731 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:35:59,731 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:35:59,731 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]
[2022-01-18 01:35:59,731 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120
[2022-01-18 01:35:59,731 INFO  L402      AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:35:59,731 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:35:59,732 INFO  L85        PathProgramCache]: Analyzing trace with hash 1331317132, now seen corresponding path program 121 times
[2022-01-18 01:35:59,732 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:35:59,732 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652225635]
[2022-01-18 01:35:59,732 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:35:59,732 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:35:59,743 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:35:59,945 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:35:59,946 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:35:59,946 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652225635]
[2022-01-18 01:35:59,946 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652225635] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:35:59,946 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:35:59,946 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:35:59,946 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547631849]
[2022-01-18 01:35:59,946 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:35:59,946 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:35:59,946 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:35:59,946 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:35:59,946 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:35:59,947 INFO  L87              Difference]: Start difference. First operand 53802 states and 147685 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:02,213 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:36:02,213 INFO  L93              Difference]: Finished difference Result 111920 states and 308411 transitions.
[2022-01-18 01:36:02,214 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2022-01-18 01:36:02,214 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:36:02,214 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:36:02,459 INFO  L225             Difference]: With dead ends: 111920
[2022-01-18 01:36:02,459 INFO  L226             Difference]: Without dead ends: 111558
[2022-01-18 01:36:02,459 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=540, Invalid=2216, Unknown=0, NotChecked=0, Total=2756
[2022-01-18 01:36:02,459 INFO  L933         BasicCegarLoop]: 780 mSDtfsCounter, 2418 mSDsluCounter, 10399 mSDsCounter, 0 mSdLazyCounter, 1786 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2418 SdHoareTripleChecker+Valid, 11064 SdHoareTripleChecker+Invalid, 1821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-01-18 01:36:02,459 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2418 Valid, 11064 Invalid, 1821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1786 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-01-18 01:36:02,663 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 111558 states.
[2022-01-18 01:36:03,885 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 111558 to 53598.
[2022-01-18 01:36:03,949 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53598 states, 53597 states have (on average 2.746049219172715) internal successors, (147180), 53597 states have internal predecessors, (147180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:04,076 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53598 states to 53598 states and 147180 transitions.
[2022-01-18 01:36:04,076 INFO  L78                 Accepts]: Start accepts. Automaton has 53598 states and 147180 transitions. Word has length 163
[2022-01-18 01:36:04,077 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:36:04,077 INFO  L470      AbstractCegarLoop]: Abstraction has 53598 states and 147180 transitions.
[2022-01-18 01:36:04,077 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:04,077 INFO  L276                IsEmpty]: Start isEmpty. Operand 53598 states and 147180 transitions.
[2022-01-18 01:36:04,134 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:36:04,134 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:36:04,134 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]
[2022-01-18 01:36:04,134 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121
[2022-01-18 01:36:04,135 INFO  L402      AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:36:04,135 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:36:04,135 INFO  L85        PathProgramCache]: Analyzing trace with hash -1761641134, now seen corresponding path program 122 times
[2022-01-18 01:36:04,135 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:36:04,135 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540951992]
[2022-01-18 01:36:04,135 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:36:04,135 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:36:04,145 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:36:04,354 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:36:04,354 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:36:04,354 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540951992]
[2022-01-18 01:36:04,355 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540951992] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:36:04,355 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:36:04,355 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:36:04,355 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724869414]
[2022-01-18 01:36:04,355 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:36:04,355 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:36:04,355 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:36:04,355 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:36:04,355 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:36:04,355 INFO  L87              Difference]: Start difference. First operand 53598 states and 147180 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:06,783 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:36:06,783 INFO  L93              Difference]: Finished difference Result 117537 states and 323782 transitions.
[2022-01-18 01:36:06,784 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-01-18 01:36:06,784 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:36:06,784 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:36:07,053 INFO  L225             Difference]: With dead ends: 117537
[2022-01-18 01:36:07,053 INFO  L226             Difference]: Without dead ends: 117167
[2022-01-18 01:36:07,053 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=541, Invalid=2111, Unknown=0, NotChecked=0, Total=2652
[2022-01-18 01:36:07,053 INFO  L933         BasicCegarLoop]: 820 mSDtfsCounter, 3384 mSDsluCounter, 9833 mSDsCounter, 0 mSdLazyCounter, 1838 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3384 SdHoareTripleChecker+Valid, 10544 SdHoareTripleChecker+Invalid, 1863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:36:07,053 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3384 Valid, 10544 Invalid, 1863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1838 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:36:07,254 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 117167 states.
[2022-01-18 01:36:08,612 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 117167 to 53614.
[2022-01-18 01:36:08,671 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53614 states, 53613 states have (on average 2.74597578945405) internal successors, (147220), 53613 states have internal predecessors, (147220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:08,781 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53614 states to 53614 states and 147220 transitions.
[2022-01-18 01:36:08,781 INFO  L78                 Accepts]: Start accepts. Automaton has 53614 states and 147220 transitions. Word has length 163
[2022-01-18 01:36:08,781 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:36:08,781 INFO  L470      AbstractCegarLoop]: Abstraction has 53614 states and 147220 transitions.
[2022-01-18 01:36:08,782 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:08,782 INFO  L276                IsEmpty]: Start isEmpty. Operand 53614 states and 147220 transitions.
[2022-01-18 01:36:08,833 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:36:08,833 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:36:08,833 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]
[2022-01-18 01:36:08,833 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122
[2022-01-18 01:36:08,833 INFO  L402      AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:36:08,834 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:36:08,834 INFO  L85        PathProgramCache]: Analyzing trace with hash 1628522262, now seen corresponding path program 123 times
[2022-01-18 01:36:08,834 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:36:08,834 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899886071]
[2022-01-18 01:36:08,834 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:36:08,834 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:36:08,845 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:36:09,053 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:36:09,053 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:36:09,053 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899886071]
[2022-01-18 01:36:09,053 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899886071] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:36:09,053 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:36:09,053 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:36:09,053 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870379861]
[2022-01-18 01:36:09,053 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:36:09,054 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:36:09,054 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:36:09,054 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:36:09,054 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:36:09,054 INFO  L87              Difference]: Start difference. First operand 53614 states and 147220 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:11,264 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:36:11,264 INFO  L93              Difference]: Finished difference Result 118314 states and 325899 transitions.
[2022-01-18 01:36:11,264 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2022-01-18 01:36:11,264 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:36:11,265 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:36:11,944 INFO  L225             Difference]: With dead ends: 118314
[2022-01-18 01:36:11,944 INFO  L226             Difference]: Without dead ends: 117960
[2022-01-18 01:36:11,945 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 753 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=605, Invalid=2475, Unknown=0, NotChecked=0, Total=3080
[2022-01-18 01:36:11,945 INFO  L933         BasicCegarLoop]: 822 mSDtfsCounter, 3135 mSDsluCounter, 11295 mSDsCounter, 0 mSdLazyCounter, 2031 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3135 SdHoareTripleChecker+Valid, 11983 SdHoareTripleChecker+Invalid, 2065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:36:11,945 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3135 Valid, 11983 Invalid, 2065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2031 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:36:12,136 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 117960 states.
[2022-01-18 01:36:13,389 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 117960 to 53770.
[2022-01-18 01:36:13,443 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53770 states, 53769 states have (on average 2.74502036489427) internal successors, (147597), 53769 states have internal predecessors, (147597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:13,557 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53770 states to 53770 states and 147597 transitions.
[2022-01-18 01:36:13,557 INFO  L78                 Accepts]: Start accepts. Automaton has 53770 states and 147597 transitions. Word has length 163
[2022-01-18 01:36:13,557 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:36:13,557 INFO  L470      AbstractCegarLoop]: Abstraction has 53770 states and 147597 transitions.
[2022-01-18 01:36:13,557 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:13,557 INFO  L276                IsEmpty]: Start isEmpty. Operand 53770 states and 147597 transitions.
[2022-01-18 01:36:13,609 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:36:13,610 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:36:13,610 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]
[2022-01-18 01:36:13,610 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123
[2022-01-18 01:36:13,610 INFO  L402      AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:36:13,610 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:36:13,610 INFO  L85        PathProgramCache]: Analyzing trace with hash 696351608, now seen corresponding path program 124 times
[2022-01-18 01:36:13,611 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:36:13,611 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801216160]
[2022-01-18 01:36:13,611 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:36:13,611 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:36:13,620 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:36:13,869 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:36:13,869 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:36:13,870 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801216160]
[2022-01-18 01:36:13,870 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801216160] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:36:13,870 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:36:13,870 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:36:13,870 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421879336]
[2022-01-18 01:36:13,870 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:36:13,870 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:36:13,870 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:36:13,870 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:36:13,871 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:36:13,871 INFO  L87              Difference]: Start difference. First operand 53770 states and 147597 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:16,077 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:36:16,077 INFO  L93              Difference]: Finished difference Result 117413 states and 323617 transitions.
[2022-01-18 01:36:16,077 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2022-01-18 01:36:16,077 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:36:16,078 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:36:16,345 INFO  L225             Difference]: With dead ends: 117413
[2022-01-18 01:36:16,345 INFO  L226             Difference]: Without dead ends: 117087
[2022-01-18 01:36:16,346 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=601, Invalid=2369, Unknown=0, NotChecked=0, Total=2970
[2022-01-18 01:36:16,346 INFO  L933         BasicCegarLoop]: 800 mSDtfsCounter, 3051 mSDsluCounter, 9857 mSDsCounter, 0 mSdLazyCounter, 1832 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3051 SdHoareTripleChecker+Valid, 10549 SdHoareTripleChecker+Invalid, 1863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:36:16,346 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3051 Valid, 10549 Invalid, 1863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1832 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:36:16,886 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 117087 states.
[2022-01-18 01:36:17,800 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 117087 to 53602.
[2022-01-18 01:36:17,861 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53602 states, 53601 states have (on average 2.745974888528199) internal successors, (147187), 53601 states have internal predecessors, (147187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:17,969 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53602 states to 53602 states and 147187 transitions.
[2022-01-18 01:36:17,969 INFO  L78                 Accepts]: Start accepts. Automaton has 53602 states and 147187 transitions. Word has length 163
[2022-01-18 01:36:17,969 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:36:17,969 INFO  L470      AbstractCegarLoop]: Abstraction has 53602 states and 147187 transitions.
[2022-01-18 01:36:17,970 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:17,970 INFO  L276                IsEmpty]: Start isEmpty. Operand 53602 states and 147187 transitions.
[2022-01-18 01:36:18,403 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:36:18,403 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:36:18,403 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]
[2022-01-18 01:36:18,403 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124
[2022-01-18 01:36:18,404 INFO  L402      AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:36:18,404 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:36:18,404 INFO  L85        PathProgramCache]: Analyzing trace with hash -1670225306, now seen corresponding path program 125 times
[2022-01-18 01:36:18,404 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:36:18,404 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327389442]
[2022-01-18 01:36:18,404 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:36:18,404 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:36:18,417 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:36:18,628 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:36:18,628 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:36:18,628 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327389442]
[2022-01-18 01:36:18,628 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327389442] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:36:18,628 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:36:18,629 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:36:18,629 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675468006]
[2022-01-18 01:36:18,629 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:36:18,629 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:36:18,629 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:36:18,629 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:36:18,629 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:36:18,629 INFO  L87              Difference]: Start difference. First operand 53602 states and 147187 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:20,773 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:36:20,773 INFO  L93              Difference]: Finished difference Result 117577 states and 323992 transitions.
[2022-01-18 01:36:20,773 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2022-01-18 01:36:20,773 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:36:20,773 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:36:21,010 INFO  L225             Difference]: With dead ends: 117577
[2022-01-18 01:36:21,010 INFO  L226             Difference]: Without dead ends: 117223
[2022-01-18 01:36:21,011 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=637, Invalid=2555, Unknown=0, NotChecked=0, Total=3192
[2022-01-18 01:36:21,011 INFO  L933         BasicCegarLoop]: 844 mSDtfsCounter, 2988 mSDsluCounter, 11073 mSDsCounter, 0 mSdLazyCounter, 2014 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2988 SdHoareTripleChecker+Valid, 11795 SdHoareTripleChecker+Invalid, 2041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:36:21,011 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2988 Valid, 11795 Invalid, 2041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2014 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:36:21,206 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 117223 states.
[2022-01-18 01:36:22,467 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 117223 to 53810.
[2022-01-18 01:36:22,528 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53810 states, 53809 states have (on average 2.745024066605958) internal successors, (147707), 53809 states have internal predecessors, (147707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:22,639 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53810 states to 53810 states and 147707 transitions.
[2022-01-18 01:36:22,640 INFO  L78                 Accepts]: Start accepts. Automaton has 53810 states and 147707 transitions. Word has length 163
[2022-01-18 01:36:22,640 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:36:22,640 INFO  L470      AbstractCegarLoop]: Abstraction has 53810 states and 147707 transitions.
[2022-01-18 01:36:22,640 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:22,640 INFO  L276                IsEmpty]: Start isEmpty. Operand 53810 states and 147707 transitions.
[2022-01-18 01:36:22,689 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:36:22,689 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:36:22,689 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]
[2022-01-18 01:36:22,689 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125
[2022-01-18 01:36:22,690 INFO  L402      AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:36:22,690 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:36:22,690 INFO  L85        PathProgramCache]: Analyzing trace with hash 1692571336, now seen corresponding path program 126 times
[2022-01-18 01:36:22,690 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:36:22,690 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844393412]
[2022-01-18 01:36:22,690 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:36:22,690 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:36:22,700 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:36:22,918 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:36:22,919 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:36:22,919 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844393412]
[2022-01-18 01:36:22,919 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844393412] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:36:22,919 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:36:22,919 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:36:22,919 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437109777]
[2022-01-18 01:36:22,919 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:36:22,919 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:36:22,919 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:36:22,919 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:36:22,920 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:36:22,920 INFO  L87              Difference]: Start difference. First operand 53810 states and 147707 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:25,426 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:36:25,426 INFO  L93              Difference]: Finished difference Result 117277 states and 323295 transitions.
[2022-01-18 01:36:25,427 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. 
[2022-01-18 01:36:25,427 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:36:25,427 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:36:25,677 INFO  L225             Difference]: With dead ends: 117277
[2022-01-18 01:36:25,677 INFO  L226             Difference]: Without dead ends: 116963
[2022-01-18 01:36:25,678 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 855 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=675, Invalid=2631, Unknown=0, NotChecked=0, Total=3306
[2022-01-18 01:36:25,678 INFO  L933         BasicCegarLoop]: 819 mSDtfsCounter, 3119 mSDsluCounter, 10114 mSDsCounter, 0 mSdLazyCounter, 1845 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3119 SdHoareTripleChecker+Valid, 10828 SdHoareTripleChecker+Invalid, 1882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:36:25,678 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3119 Valid, 10828 Invalid, 1882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1845 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:36:25,878 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 116963 states.
[2022-01-18 01:36:27,191 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 116963 to 53654.
[2022-01-18 01:36:27,251 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53654 states, 53653 states have (on average 2.7450095987176857) internal successors, (147278), 53653 states have internal predecessors, (147278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:27,360 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53654 states to 53654 states and 147278 transitions.
[2022-01-18 01:36:27,360 INFO  L78                 Accepts]: Start accepts. Automaton has 53654 states and 147278 transitions. Word has length 163
[2022-01-18 01:36:27,360 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:36:27,360 INFO  L470      AbstractCegarLoop]: Abstraction has 53654 states and 147278 transitions.
[2022-01-18 01:36:27,360 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:27,360 INFO  L276                IsEmpty]: Start isEmpty. Operand 53654 states and 147278 transitions.
[2022-01-18 01:36:27,409 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:36:27,410 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:36:27,410 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]
[2022-01-18 01:36:27,410 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126
[2022-01-18 01:36:27,410 INFO  L402      AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:36:27,410 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:36:27,411 INFO  L85        PathProgramCache]: Analyzing trace with hash -806221988, now seen corresponding path program 127 times
[2022-01-18 01:36:27,411 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:36:27,411 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684809676]
[2022-01-18 01:36:27,411 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:36:27,411 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:36:27,422 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:36:27,627 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:36:27,627 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:36:27,627 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684809676]
[2022-01-18 01:36:27,627 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684809676] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:36:27,627 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:36:27,628 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:36:27,628 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102575939]
[2022-01-18 01:36:27,628 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:36:27,629 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:36:27,629 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:36:27,629 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:36:27,629 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:36:27,630 INFO  L87              Difference]: Start difference. First operand 53654 states and 147278 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:30,198 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:36:30,199 INFO  L93              Difference]: Finished difference Result 116340 states and 320786 transitions.
[2022-01-18 01:36:30,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2022-01-18 01:36:30,200 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:36:30,200 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:36:30,450 INFO  L225             Difference]: With dead ends: 116340
[2022-01-18 01:36:30,450 INFO  L226             Difference]: Without dead ends: 115882
[2022-01-18 01:36:30,451 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 829 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=672, Invalid=2520, Unknown=0, NotChecked=0, Total=3192
[2022-01-18 01:36:30,451 INFO  L933         BasicCegarLoop]: 813 mSDtfsCounter, 2574 mSDsluCounter, 10522 mSDsCounter, 0 mSdLazyCounter, 1958 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2574 SdHoareTripleChecker+Valid, 11226 SdHoareTripleChecker+Invalid, 1987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:36:30,451 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2574 Valid, 11226 Invalid, 1987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1958 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:36:30,644 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 115882 states.
[2022-01-18 01:36:31,956 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 115882 to 53358.
[2022-01-18 01:36:32,020 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53358 states, 53357 states have (on average 2.747305883014412) internal successors, (146588), 53357 states have internal predecessors, (146588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:32,134 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53358 states to 53358 states and 146588 transitions.
[2022-01-18 01:36:32,134 INFO  L78                 Accepts]: Start accepts. Automaton has 53358 states and 146588 transitions. Word has length 163
[2022-01-18 01:36:32,134 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:36:32,135 INFO  L470      AbstractCegarLoop]: Abstraction has 53358 states and 146588 transitions.
[2022-01-18 01:36:32,135 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:32,135 INFO  L276                IsEmpty]: Start isEmpty. Operand 53358 states and 146588 transitions.
[2022-01-18 01:36:32,186 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:36:32,186 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:36:32,186 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]
[2022-01-18 01:36:32,186 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127
[2022-01-18 01:36:32,186 INFO  L402      AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:36:32,187 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:36:32,187 INFO  L85        PathProgramCache]: Analyzing trace with hash -1619648604, now seen corresponding path program 128 times
[2022-01-18 01:36:32,187 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:36:32,187 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834708024]
[2022-01-18 01:36:32,187 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:36:32,187 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:36:32,197 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:36:32,408 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:36:32,408 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:36:32,408 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834708024]
[2022-01-18 01:36:32,408 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834708024] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:36:32,408 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:36:32,408 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:36:32,408 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391413578]
[2022-01-18 01:36:32,408 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:36:32,409 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:36:32,409 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:36:32,409 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:36:32,409 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:36:32,409 INFO  L87              Difference]: Start difference. First operand 53358 states and 146588 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:35,211 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:36:35,211 INFO  L93              Difference]: Finished difference Result 122607 states and 338052 transitions.
[2022-01-18 01:36:35,212 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-01-18 01:36:35,212 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:36:35,212 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:36:35,466 INFO  L225             Difference]: With dead ends: 122607
[2022-01-18 01:36:35,466 INFO  L226             Difference]: Without dead ends: 122253
[2022-01-18 01:36:35,466 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=836, Invalid=2946, Unknown=0, NotChecked=0, Total=3782
[2022-01-18 01:36:35,467 INFO  L933         BasicCegarLoop]: 872 mSDtfsCounter, 3700 mSDsluCounter, 10520 mSDsCounter, 0 mSdLazyCounter, 2054 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3700 SdHoareTripleChecker+Valid, 11327 SdHoareTripleChecker+Invalid, 2095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 2054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2022-01-18 01:36:35,467 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3700 Valid, 11327 Invalid, 2095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 2054 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2022-01-18 01:36:35,674 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 122253 states.
[2022-01-18 01:36:37,045 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 122253 to 54294.
[2022-01-18 01:36:37,108 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54294 states, 54293 states have (on average 2.746394562834988) internal successors, (149110), 54293 states have internal predecessors, (149110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:37,228 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54294 states to 54294 states and 149110 transitions.
[2022-01-18 01:36:37,228 INFO  L78                 Accepts]: Start accepts. Automaton has 54294 states and 149110 transitions. Word has length 163
[2022-01-18 01:36:37,228 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:36:37,228 INFO  L470      AbstractCegarLoop]: Abstraction has 54294 states and 149110 transitions.
[2022-01-18 01:36:37,229 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:37,229 INFO  L276                IsEmpty]: Start isEmpty. Operand 54294 states and 149110 transitions.
[2022-01-18 01:36:37,284 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:36:37,284 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:36:37,285 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]
[2022-01-18 01:36:37,285 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128
[2022-01-18 01:36:37,285 INFO  L402      AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:36:37,285 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:36:37,285 INFO  L85        PathProgramCache]: Analyzing trace with hash 1743148038, now seen corresponding path program 129 times
[2022-01-18 01:36:37,285 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:36:37,285 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737263746]
[2022-01-18 01:36:37,285 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:36:37,285 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:36:37,297 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:36:37,566 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:36:37,566 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:36:37,566 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737263746]
[2022-01-18 01:36:37,566 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737263746] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:36:37,567 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:36:37,567 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:36:37,567 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784514435]
[2022-01-18 01:36:37,567 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:36:37,567 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:36:37,567 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:36:37,567 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:36:37,567 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:36:37,568 INFO  L87              Difference]: Start difference. First operand 54294 states and 149110 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:40,405 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:36:40,405 INFO  L93              Difference]: Finished difference Result 122715 states and 338353 transitions.
[2022-01-18 01:36:40,406 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-01-18 01:36:40,406 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:36:40,406 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:36:40,997 INFO  L225             Difference]: With dead ends: 122715
[2022-01-18 01:36:40,998 INFO  L226             Difference]: Without dead ends: 122401
[2022-01-18 01:36:40,998 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=808, Invalid=2852, Unknown=0, NotChecked=0, Total=3660
[2022-01-18 01:36:40,998 INFO  L933         BasicCegarLoop]: 851 mSDtfsCounter, 2987 mSDsluCounter, 11309 mSDsCounter, 0 mSdLazyCounter, 2155 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2987 SdHoareTripleChecker+Valid, 12091 SdHoareTripleChecker+Invalid, 2199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2022-01-18 01:36:40,998 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2987 Valid, 12091 Invalid, 2199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 2155 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2022-01-18 01:36:41,240 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 122401 states.
[2022-01-18 01:36:42,299 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 122401 to 54138.
[2022-01-18 01:36:42,359 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54138 states, 54137 states have (on average 2.746384173485786) internal successors, (148681), 54137 states have internal predecessors, (148681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:42,775 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54138 states to 54138 states and 148681 transitions.
[2022-01-18 01:36:42,775 INFO  L78                 Accepts]: Start accepts. Automaton has 54138 states and 148681 transitions. Word has length 163
[2022-01-18 01:36:42,775 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:36:42,775 INFO  L470      AbstractCegarLoop]: Abstraction has 54138 states and 148681 transitions.
[2022-01-18 01:36:42,775 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:42,775 INFO  L276                IsEmpty]: Start isEmpty. Operand 54138 states and 148681 transitions.
[2022-01-18 01:36:42,825 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:36:42,826 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:36:42,826 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]
[2022-01-18 01:36:42,826 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129
[2022-01-18 01:36:42,826 INFO  L402      AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:36:42,827 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:36:42,827 INFO  L85        PathProgramCache]: Analyzing trace with hash -755645286, now seen corresponding path program 130 times
[2022-01-18 01:36:42,827 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:36:42,827 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455627551]
[2022-01-18 01:36:42,827 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:36:42,827 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:36:42,836 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:36:43,037 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:36:43,038 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:36:43,038 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455627551]
[2022-01-18 01:36:43,038 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455627551] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:36:43,038 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:36:43,038 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:36:43,038 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236677297]
[2022-01-18 01:36:43,038 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:36:43,038 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:36:43,038 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:36:43,038 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:36:43,038 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:36:43,039 INFO  L87              Difference]: Start difference. First operand 54138 states and 148681 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:45,405 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:36:45,405 INFO  L93              Difference]: Finished difference Result 125204 states and 345214 transitions.
[2022-01-18 01:36:45,405 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-01-18 01:36:45,405 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:36:45,405 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:36:45,668 INFO  L225             Difference]: With dead ends: 125204
[2022-01-18 01:36:45,668 INFO  L226             Difference]: Without dead ends: 124990
[2022-01-18 01:36:45,669 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 987 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=829, Invalid=2831, Unknown=0, NotChecked=0, Total=3660
[2022-01-18 01:36:45,669 INFO  L933         BasicCegarLoop]: 848 mSDtfsCounter, 3332 mSDsluCounter, 10068 mSDsCounter, 0 mSdLazyCounter, 2009 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3332 SdHoareTripleChecker+Valid, 10856 SdHoareTripleChecker+Invalid, 2048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 2009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:36:45,669 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3332 Valid, 10856 Invalid, 2048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 2009 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:36:46,221 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 124990 states.
[2022-01-18 01:36:47,256 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 124990 to 54086.
[2022-01-18 01:36:47,319 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54086 states, 54085 states have (on average 2.746380697050938) internal successors, (148538), 54085 states have internal predecessors, (148538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:47,834 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54086 states to 54086 states and 148538 transitions.
[2022-01-18 01:36:47,834 INFO  L78                 Accepts]: Start accepts. Automaton has 54086 states and 148538 transitions. Word has length 163
[2022-01-18 01:36:47,834 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:36:47,834 INFO  L470      AbstractCegarLoop]: Abstraction has 54086 states and 148538 transitions.
[2022-01-18 01:36:47,835 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:47,835 INFO  L276                IsEmpty]: Start isEmpty. Operand 54086 states and 148538 transitions.
[2022-01-18 01:36:47,888 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:36:47,888 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:36:47,888 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]
[2022-01-18 01:36:47,888 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130
[2022-01-18 01:36:47,888 INFO  L402      AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:36:47,889 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:36:47,889 INFO  L85        PathProgramCache]: Analyzing trace with hash -317990756, now seen corresponding path program 131 times
[2022-01-18 01:36:47,889 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:36:47,889 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399838449]
[2022-01-18 01:36:47,889 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:36:47,889 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:36:47,900 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:36:48,147 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:36:48,148 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:36:48,148 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399838449]
[2022-01-18 01:36:48,148 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399838449] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:36:48,148 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:36:48,148 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:36:48,148 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489213546]
[2022-01-18 01:36:48,148 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:36:48,148 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:36:48,148 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:36:48,148 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:36:48,149 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:36:48,149 INFO  L87              Difference]: Start difference. First operand 54086 states and 148538 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:50,606 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:36:50,607 INFO  L93              Difference]: Finished difference Result 130042 states and 358557 transitions.
[2022-01-18 01:36:50,607 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2022-01-18 01:36:50,607 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:36:50,607 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:36:50,882 INFO  L225             Difference]: With dead ends: 130042
[2022-01-18 01:36:50,883 INFO  L226             Difference]: Without dead ends: 129152
[2022-01-18 01:36:50,883 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1024 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=855, Invalid=2927, Unknown=0, NotChecked=0, Total=3782
[2022-01-18 01:36:50,883 INFO  L933         BasicCegarLoop]: 868 mSDtfsCounter, 3507 mSDsluCounter, 10382 mSDsCounter, 0 mSdLazyCounter, 2046 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3507 SdHoareTripleChecker+Valid, 11185 SdHoareTripleChecker+Invalid, 2086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 2046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:36:50,883 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3507 Valid, 11185 Invalid, 2086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 2046 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:36:51,401 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 129152 states.
[2022-01-18 01:36:52,366 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 129152 to 53410.
[2022-01-18 01:36:52,426 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53410 states, 53409 states have (on average 2.7463348873785316) internal successors, (146679), 53409 states have internal predecessors, (146679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:52,861 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53410 states to 53410 states and 146679 transitions.
[2022-01-18 01:36:52,861 INFO  L78                 Accepts]: Start accepts. Automaton has 53410 states and 146679 transitions. Word has length 163
[2022-01-18 01:36:52,862 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:36:52,862 INFO  L470      AbstractCegarLoop]: Abstraction has 53410 states and 146679 transitions.
[2022-01-18 01:36:52,862 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:52,862 INFO  L276                IsEmpty]: Start isEmpty. Operand 53410 states and 146679 transitions.
[2022-01-18 01:36:52,908 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:36:52,908 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:36:52,908 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]
[2022-01-18 01:36:52,908 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131
[2022-01-18 01:36:52,908 INFO  L402      AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:36:52,908 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:36:52,908 INFO  L85        PathProgramCache]: Analyzing trace with hash -193563010, now seen corresponding path program 132 times
[2022-01-18 01:36:52,909 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:36:52,909 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689601727]
[2022-01-18 01:36:52,909 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:36:52,909 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:36:52,919 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:36:53,169 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:36:53,170 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:36:53,170 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689601727]
[2022-01-18 01:36:53,170 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689601727] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:36:53,170 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:36:53,170 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:36:53,170 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686657006]
[2022-01-18 01:36:53,170 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:36:53,170 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:36:53,170 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:36:53,171 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:36:53,171 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:36:53,171 INFO  L87              Difference]: Start difference. First operand 53410 states and 146679 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:55,590 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:36:55,590 INFO  L93              Difference]: Finished difference Result 130874 states and 360879 transitions.
[2022-01-18 01:36:55,591 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2022-01-18 01:36:55,591 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:36:55,591 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:36:55,852 INFO  L225             Difference]: With dead ends: 130874
[2022-01-18 01:36:55,852 INFO  L226             Difference]: Without dead ends: 130604
[2022-01-18 01:36:55,852 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=820, Invalid=2840, Unknown=0, NotChecked=0, Total=3660
[2022-01-18 01:36:55,852 INFO  L933         BasicCegarLoop]: 850 mSDtfsCounter, 3160 mSDsluCounter, 10192 mSDsCounter, 0 mSdLazyCounter, 2021 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3160 SdHoareTripleChecker+Valid, 10977 SdHoareTripleChecker+Invalid, 2061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 2021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:36:55,852 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3160 Valid, 10977 Invalid, 2061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 2021 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:36:56,374 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 130604 states.
[2022-01-18 01:36:57,331 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 130604 to 53358.
[2022-01-18 01:36:57,391 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53358 states, 53357 states have (on average 2.746331315478756) internal successors, (146536), 53357 states have internal predecessors, (146536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:57,827 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53358 states to 53358 states and 146536 transitions.
[2022-01-18 01:36:57,827 INFO  L78                 Accepts]: Start accepts. Automaton has 53358 states and 146536 transitions. Word has length 163
[2022-01-18 01:36:57,828 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:36:57,828 INFO  L470      AbstractCegarLoop]: Abstraction has 53358 states and 146536 transitions.
[2022-01-18 01:36:57,828 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:36:57,828 INFO  L276                IsEmpty]: Start isEmpty. Operand 53358 states and 146536 transitions.
[2022-01-18 01:36:57,875 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:36:57,875 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:36:57,875 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]
[2022-01-18 01:36:57,875 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132
[2022-01-18 01:36:57,875 INFO  L402      AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:36:57,876 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:36:57,876 INFO  L85        PathProgramCache]: Analyzing trace with hash -538128998, now seen corresponding path program 133 times
[2022-01-18 01:36:57,876 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:36:57,876 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411846098]
[2022-01-18 01:36:57,876 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:36:57,876 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:36:57,887 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:36:58,098 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:36:58,098 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:36:58,098 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411846098]
[2022-01-18 01:36:58,098 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411846098] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:36:58,098 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:36:58,098 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:36:58,098 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547288402]
[2022-01-18 01:36:58,098 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:36:58,099 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:36:58,099 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:36:58,099 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:36:58,099 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:36:58,099 INFO  L87              Difference]: Start difference. First operand 53358 states and 146536 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:37:00,390 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:37:00,390 INFO  L93              Difference]: Finished difference Result 115770 states and 319334 transitions.
[2022-01-18 01:37:00,391 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2022-01-18 01:37:00,391 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:37:00,391 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:37:00,630 INFO  L225             Difference]: With dead ends: 115770
[2022-01-18 01:37:00,630 INFO  L226             Difference]: Without dead ends: 115384
[2022-01-18 01:37:00,631 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 854 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=763, Invalid=2659, Unknown=0, NotChecked=0, Total=3422
[2022-01-18 01:37:00,631 INFO  L933         BasicCegarLoop]: 836 mSDtfsCounter, 2563 mSDsluCounter, 11140 mSDsCounter, 0 mSdLazyCounter, 1998 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2563 SdHoareTripleChecker+Valid, 11902 SdHoareTripleChecker+Invalid, 2038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:37:00,631 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [2563 Valid, 11902 Invalid, 2038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1998 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:37:01,146 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 115384 states.
[2022-01-18 01:37:02,029 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 115384 to 53190.
[2022-01-18 01:37:02,089 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53190 states, 53189 states have (on average 2.7472973735170805) internal successors, (146126), 53189 states have internal predecessors, (146126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:37:02,198 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53190 states to 53190 states and 146126 transitions.
[2022-01-18 01:37:02,199 INFO  L78                 Accepts]: Start accepts. Automaton has 53190 states and 146126 transitions. Word has length 163
[2022-01-18 01:37:02,199 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:37:02,199 INFO  L470      AbstractCegarLoop]: Abstraction has 53190 states and 146126 transitions.
[2022-01-18 01:37:02,199 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:37:02,199 INFO  L276                IsEmpty]: Start isEmpty. Operand 53190 states and 146126 transitions.
[2022-01-18 01:37:02,603 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:37:02,603 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:37:02,603 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]
[2022-01-18 01:37:02,603 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133
[2022-01-18 01:37:02,603 INFO  L402      AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:37:02,604 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:37:02,604 INFO  L85        PathProgramCache]: Analyzing trace with hash -1438070592, now seen corresponding path program 134 times
[2022-01-18 01:37:02,604 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:37:02,604 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727600561]
[2022-01-18 01:37:02,604 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:37:02,604 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:37:02,631 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:37:02,904 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:37:02,905 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:37:02,905 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727600561]
[2022-01-18 01:37:02,905 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727600561] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:37:02,905 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:37:02,905 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:37:02,905 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779219100]
[2022-01-18 01:37:02,905 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:37:02,905 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:37:02,905 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:37:02,905 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:37:02,905 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:37:02,906 INFO  L87              Difference]: Start difference. First operand 53190 states and 146126 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:37:05,402 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-18 01:37:05,402 INFO  L93              Difference]: Finished difference Result 141831 states and 390931 transitions.
[2022-01-18 01:37:05,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2022-01-18 01:37:05,403 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2022-01-18 01:37:05,403 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-18 01:37:05,698 INFO  L225             Difference]: With dead ends: 141831
[2022-01-18 01:37:05,698 INFO  L226             Difference]: Without dead ends: 141477
[2022-01-18 01:37:05,698 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1097 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=851, Invalid=3055, Unknown=0, NotChecked=0, Total=3906
[2022-01-18 01:37:05,699 INFO  L933         BasicCegarLoop]: 852 mSDtfsCounter, 3782 mSDsluCounter, 9963 mSDsCounter, 0 mSdLazyCounter, 2086 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3782 SdHoareTripleChecker+Valid, 10754 SdHoareTripleChecker+Invalid, 2124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-01-18 01:37:05,699 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [3782 Valid, 10754 Invalid, 2124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2086 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-01-18 01:37:06,279 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 141477 states.
[2022-01-18 01:37:07,333 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 141477 to 54130.
[2022-01-18 01:37:07,396 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54130 states, 54129 states have (on average 2.7463836390844096) internal successors, (148659), 54129 states have internal predecessors, (148659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:37:07,883 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54130 states to 54130 states and 148659 transitions.
[2022-01-18 01:37:07,884 INFO  L78                 Accepts]: Start accepts. Automaton has 54130 states and 148659 transitions. Word has length 163
[2022-01-18 01:37:07,884 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-18 01:37:07,884 INFO  L470      AbstractCegarLoop]: Abstraction has 54130 states and 148659 transitions.
[2022-01-18 01:37:07,884 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-18 01:37:07,884 INFO  L276                IsEmpty]: Start isEmpty. Operand 54130 states and 148659 transitions.
[2022-01-18 01:37:07,937 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2022-01-18 01:37:07,937 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-18 01:37:07,937 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]
[2022-01-18 01:37:07,937 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134
[2022-01-18 01:37:07,937 INFO  L402      AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-01-18 01:37:07,938 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-18 01:37:07,938 INFO  L85        PathProgramCache]: Analyzing trace with hash 1924726050, now seen corresponding path program 135 times
[2022-01-18 01:37:07,938 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-18 01:37:07,938 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010811669]
[2022-01-18 01:37:07,938 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-18 01:37:07,938 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-18 01:37:07,948 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-18 01:37:08,215 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-18 01:37:08,216 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-18 01:37:08,216 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010811669]
[2022-01-18 01:37:08,216 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010811669] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-18 01:37:08,216 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-18 01:37:08,216 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19
[2022-01-18 01:37:08,216 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605000891]
[2022-01-18 01:37:08,216 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-18 01:37:08,216 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-01-18 01:37:08,216 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-18 01:37:08,216 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-01-18 01:37:08,216 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342
[2022-01-18 01:37:08,217 INFO  L87              Difference]: Start difference. First operand 54130 states and 148659 transitions. Second operand  has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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...
[2022-01-18 01:37:09,391 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-01-18 01:37:09,392 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=309, Invalid=951, Unknown=0, NotChecked=0, Total=1260
[2022-01-18 01:37:09,392 INFO  L933         BasicCegarLoop]: 508 mSDtfsCounter, 930 mSDsluCounter, 6358 mSDsCounter, 0 mSdLazyCounter, 1343 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 930 SdHoareTripleChecker+Valid, 6837 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2022-01-18 01:37:09,392 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [930 Valid, 6837 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1343 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2022-01-18 01:37:09,392 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2022-01-18 01:37:09,393 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135
[2022-01-18 01:37:09,393 WARN  L594      AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was constructing difference of abstraction (54130states) and FLOYD_HOARE automaton (currently 22 states, 19 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates.
[2022-01-18 01:37:09,394 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining)
[2022-01-18 01:37:09,394 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining)
[2022-01-18 01:37:09,396 INFO  L732         BasicCegarLoop]: Path program histogram: [135, 1]
[2022-01-18 01:37:09,397 INFO  L229   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-01-18 01:37:09,397 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2022-01-18 01:37:09,399 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 01:37:09 BasicIcfg
[2022-01-18 01:37:09,399 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-01-18 01:37:09,399 INFO  L158              Benchmark]: Toolchain (without parser) took 681722.66ms. Allocated memory was 346.0MB in the beginning and 16.0GB in the end (delta: 15.7GB). Free memory was 289.4MB in the beginning and 13.1GB in the end (delta: -12.8GB). Peak memory consumption was 2.8GB. Max. memory is 16.0GB.
[2022-01-18 01:37:09,399 INFO  L158              Benchmark]: CDTParser took 0.11ms. Allocated memory is still 346.0MB. Free memory is still 305.8MB. There was no memory consumed. Max. memory is 16.0GB.
[2022-01-18 01:37:09,399 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 239.59ms. Allocated memory was 346.0MB in the beginning and 526.4MB in the end (delta: 180.4MB). Free memory was 289.3MB in the beginning and 495.4MB in the end (delta: -206.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.0GB.
[2022-01-18 01:37:09,399 INFO  L158              Benchmark]: Boogie Procedure Inliner took 69.42ms. Allocated memory is still 526.4MB. Free memory was 495.4MB in the beginning and 492.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
[2022-01-18 01:37:09,399 INFO  L158              Benchmark]: Boogie Preprocessor took 54.54ms. Allocated memory is still 526.4MB. Free memory was 492.7MB in the beginning and 490.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
[2022-01-18 01:37:09,400 INFO  L158              Benchmark]: RCFGBuilder took 537.67ms. Allocated memory is still 526.4MB. Free memory was 490.6MB in the beginning and 467.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB.
[2022-01-18 01:37:09,400 INFO  L158              Benchmark]: TraceAbstraction took 680813.86ms. Allocated memory was 526.4MB in the beginning and 16.0GB in the end (delta: 15.5GB). Free memory was 466.5MB in the beginning and 13.1GB in the end (delta: -12.6GB). Peak memory consumption was 2.8GB. Max. memory is 16.0GB.
[2022-01-18 01:37:09,400 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 346.0MB. Free memory is still 305.8MB. There was no memory consumed. Max. memory is 16.0GB.
 * CACSL2BoogieTranslator took 239.59ms. Allocated memory was 346.0MB in the beginning and 526.4MB in the end (delta: 180.4MB). Free memory was 289.3MB in the beginning and 495.4MB in the end (delta: -206.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.0GB.
 * Boogie Procedure Inliner took 69.42ms. Allocated memory is still 526.4MB. Free memory was 495.4MB in the beginning and 492.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
 * Boogie Preprocessor took 54.54ms. Allocated memory is still 526.4MB. Free memory was 492.7MB in the beginning and 490.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
 * RCFGBuilder took 537.67ms. Allocated memory is still 526.4MB. Free memory was 490.6MB in the beginning and 467.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB.
 * TraceAbstraction took 680813.86ms. Allocated memory was 526.4MB in the beginning and 16.0GB in the end (delta: 15.5GB). Free memory was 466.5MB in the beginning and 13.1GB in the end (delta: -12.6GB). Peak memory consumption was 2.8GB. Max. memory is 16.0GB.
 * 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: 103]: Timeout (TraceAbstraction)
    Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (54130states) and FLOYD_HOARE automaton (currently 22 states, 19 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates.
  - TimeoutResultAtElement [Line: 98]: 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 (54130states) and FLOYD_HOARE automaton (currently 22 states, 19 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates.
  - TimeoutResultAtElement [Line: 97]: 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 (54130states) and FLOYD_HOARE automaton (currently 22 states, 19 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates.
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 5 procedures, 611 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 680.6s, OverallIterations: 136, TraceHistogramMax: 1, PathProgramHistogramMax: 135, EmptinessCheckTime: 9.6s, AutomataDifference: 398.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.8s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 434793 SdHoareTripleChecker+Valid, 124.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 434793 mSDsluCounter, 1632207 SdHoareTripleChecker+Invalid, 104.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1525062 mSDsCounter, 4670 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 289818 IncrementalHoareTripleChecker+Invalid, 294488 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4670 mSolverCounterUnsat, 122140 mSDtfsCounter, 289818 mSolverCounterSat, 3.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7741 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 7468 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106999 ImplicationChecksByTransitivity, 150.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58787occurred in iteration=0, InterpolantAutomatonStates: 6084, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 233.4s AutomataMinimizationTime, 135 MinimizatonAttempts, 9909969 StatesRemovedByMinimization, 134 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 34.8s InterpolantComputationTime, 22168 NumberOfCodeBlocks, 22168 NumberOfCodeBlocksAsserted, 136 NumberOfCheckSat, 22032 ConstructedInterpolants, 0 QuantifiedInterpolants, 148106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 136 InterpolantComputations, 136 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