/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i


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


This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-18 13:51:07,875 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-02-18 13:51:07,877 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
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[2022-02-18 13:51:07,930 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2022-02-18 13:51:07,937 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
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[2022-02-18 13:51:07,948 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2022-02-18 13:51:07,949 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-02-18 13:51:07,950 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf
[2022-02-18 13:51:07,972 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-02-18 13:51:07,972 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-18 13:51:07,972 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-18 13:51:07,972 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-18 13:51:07,973 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-18 13:51:07,973 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-18 13:51:07,973 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-18 13:51:07,973 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-02-18 13:51:07,973 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-02-18 13:51:07,974 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-18 13:51:07,974 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-02-18 13:51:07,974 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-02-18 13:51:07,974 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-02-18 13:51:07,974 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-02-18 13:51:07,974 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-02-18 13:51:07,974 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-18 13:51:07,975 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-02-18 13:51:07,975 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-02-18 13:51:07,975 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-02-18 13:51:07,975 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-02-18 13:51:07,975 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-02-18 13:51:07,975 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-18 13:51:07,975 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-02-18 13:51:07,975 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-02-18 13:51:07,976 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-02-18 13:51:07,976 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-18 13:51:07,976 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-18 13:51:07,976 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-02-18 13:51:07,976 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-18 13:51:07,977 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-02-18 13:51:07,977 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-18 13:51:07,977 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-02-18 13:51:07,977 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-18 13:51:07,977 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-18 13:51:08,162 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-18 13:51:08,184 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-18 13:51:08,186 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-18 13:51:08,187 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-02-18 13:51:08,187 INFO  L275        PluginConnector]: CDTParser initialized
[2022-02-18 13:51:08,188 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i
[2022-02-18 13:51:08,232 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d5952380/7d614f2733f24807afa8d41debdc093d/FLAG19ca6f92b
[2022-02-18 13:51:08,727 INFO  L306              CDTParser]: Found 1 translation units.
[2022-02-18 13:51:08,727 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i
[2022-02-18 13:51:08,742 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d5952380/7d614f2733f24807afa8d41debdc093d/FLAG19ca6f92b
[2022-02-18 13:51:08,755 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d5952380/7d614f2733f24807afa8d41debdc093d
[2022-02-18 13:51:08,757 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-18 13:51:08,758 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-18 13:51:08,760 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-18 13:51:08,761 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-18 13:51:08,763 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-18 13:51:08,763 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 01:51:08" (1/1) ...
[2022-02-18 13:51:08,764 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39fef7f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:08, skipping insertion in model container
[2022-02-18 13:51:08,764 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 01:51:08" (1/1) ...
[2022-02-18 13:51:08,768 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-02-18 13:51:08,799 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-02-18 13:51:08,996 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i[1096,1109]
[2022-02-18 13:51:09,112 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-18 13:51:09,120 INFO  L203         MainTranslator]: Completed pre-run
[2022-02-18 13:51:09,127 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i[1096,1109]
[2022-02-18 13:51:09,149 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-18 13:51:09,172 INFO  L208         MainTranslator]: Completed translation
[2022-02-18 13:51:09,173 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:09 WrapperNode
[2022-02-18 13:51:09,173 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-18 13:51:09,174 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-18 13:51:09,174 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-18 13:51:09,174 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-18 13:51:09,179 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:09" (1/1) ...
[2022-02-18 13:51:09,188 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:09" (1/1) ...
[2022-02-18 13:51:09,201 INFO  L137                Inliner]: procedures = 162, calls = 46, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 90
[2022-02-18 13:51:09,201 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-18 13:51:09,202 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-18 13:51:09,202 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-18 13:51:09,202 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-02-18 13:51:09,206 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:09" (1/1) ...
[2022-02-18 13:51:09,206 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:09" (1/1) ...
[2022-02-18 13:51:09,208 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:09" (1/1) ...
[2022-02-18 13:51:09,208 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:09" (1/1) ...
[2022-02-18 13:51:09,212 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:09" (1/1) ...
[2022-02-18 13:51:09,214 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:09" (1/1) ...
[2022-02-18 13:51:09,215 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:09" (1/1) ...
[2022-02-18 13:51:09,216 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-18 13:51:09,217 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-18 13:51:09,217 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-02-18 13:51:09,217 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-02-18 13:51:09,217 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:09" (1/1) ...
[2022-02-18 13:51:09,222 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-18 13:51:09,228 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 13:51:09,252 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-02-18 13:51:09,262 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-02-18 13:51:09,284 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-02-18 13:51:09,284 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-02-18 13:51:09,284 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2022-02-18 13:51:09,284 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-18 13:51:09,285 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-18 13:51:09,285 INFO  L130     BoogieDeclarations]: Found specification of procedure t_fun
[2022-02-18 13:51:09,285 INFO  L138     BoogieDeclarations]: Found implementation of procedure t_fun
[2022-02-18 13:51:09,285 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-18 13:51:09,285 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-18 13:51:09,285 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-18 13:51:09,285 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-18 13:51:09,286 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-18 13:51:09,364 INFO  L234             CfgBuilder]: Building ICFG
[2022-02-18 13:51:09,365 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-18 13:51:09,521 INFO  L275             CfgBuilder]: Performing block encoding
[2022-02-18 13:51:09,526 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-18 13:51:09,526 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-18 13:51:09,527 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:51:09 BoogieIcfgContainer
[2022-02-18 13:51:09,527 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-18 13:51:09,528 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-18 13:51:09,528 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-02-18 13:51:09,530 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-02-18 13:51:09,531 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 01:51:08" (1/3) ...
[2022-02-18 13:51:09,531 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b469bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 01:51:09, skipping insertion in model container
[2022-02-18 13:51:09,531 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:09" (2/3) ...
[2022-02-18 13:51:09,531 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b469bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 01:51:09, skipping insertion in model container
[2022-02-18 13:51:09,531 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:51:09" (3/3) ...
[2022-02-18 13:51:09,532 INFO  L111   eAbstractionObserver]: Analyzing ICFG 13-privatized_24-multiple-protecting_true.i
[2022-02-18 13:51:09,535 WARN  L150   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-18 13:51:09,535 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-18 13:51:09,535 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2022-02-18 13:51:09,535 INFO  L534   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-18 13:51:09,561 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,562 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,562 WARN  L322   ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,562 WARN  L322   ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,562 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,562 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,562 WARN  L322   ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,562 WARN  L322   ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,563 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,563 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,563 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,563 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,563 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,564 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,564 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,564 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,564 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,564 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,564 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,564 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,565 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,565 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,565 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,565 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,565 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,565 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,566 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,566 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,566 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,566 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,566 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,566 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,567 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,567 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,567 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,567 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,567 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,568 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,568 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,568 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,568 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,568 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,568 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,568 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,569 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,569 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,569 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,569 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,569 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,570 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,570 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,570 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,570 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,570 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,570 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,570 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,571 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,571 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,571 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,571 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,573 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,573 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,573 WARN  L322   ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,573 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,574 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,574 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,574 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,574 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,574 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,574 WARN  L322   ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,574 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,574 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,574 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,575 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:51:09,577 INFO  L148    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2022-02-18 13:51:09,602 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-18 13:51:09,606 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true
[2022-02-18 13:51:09,606 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2022-02-18 13:51:09,614 INFO  L111   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 143 places, 143 transitions, 294 flow
[2022-02-18 13:51:09,696 INFO  L133   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 1808 states, 1804 states have (on average 1.9911308203991132) internal successors, (3592), 1807 states have internal predecessors, (3592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:09,700 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 1808 states, 1804 states have (on average 1.9911308203991132) internal successors, (3592), 1807 states have internal predecessors, (3592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:09,706 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2022-02-18 13:51:09,706 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-18 13:51:09,707 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]
[2022-02-18 13:51:09,707 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2022-02-18 13:51:09,710 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 13:51:09,710 INFO  L85        PathProgramCache]: Analyzing trace with hash -1006366235, now seen corresponding path program 1 times
[2022-02-18 13:51:09,716 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 13:51:09,716 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687993627]
[2022-02-18 13:51:09,716 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 13:51:09,717 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 13:51:09,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 13:51:10,000 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 13:51:10,000 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 13:51:10,000 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687993627]
[2022-02-18 13:51:10,001 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687993627] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 13:51:10,001 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 13:51:10,001 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-18 13:51:10,002 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458653693]
[2022-02-18 13:51:10,002 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 13:51:10,005 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-02-18 13:51:10,005 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 13:51:10,028 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-02-18 13:51:10,029 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-02-18 13:51:10,032 INFO  L87              Difference]: Start difference. First operand  has 1808 states, 1804 states have (on average 1.9911308203991132) internal successors, (3592), 1807 states have internal predecessors, (3592), 0 states have call successors, (0), 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 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:10,178 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 13:51:10,178 INFO  L93              Difference]: Finished difference Result 2285 states and 4397 transitions.
[2022-02-18 13:51:10,181 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 13:51:10,182 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52
[2022-02-18 13:51:10,182 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 13:51:10,198 INFO  L225             Difference]: With dead ends: 2285
[2022-02-18 13:51:10,198 INFO  L226             Difference]: Without dead ends: 2183
[2022-02-18 13:51:10,199 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2022-02-18 13:51:10,202 INFO  L933         BasicCegarLoop]: 175 mSDtfsCounter, 220 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-18 13:51:10,203 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 573 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-18 13:51:10,217 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2183 states.
[2022-02-18 13:51:10,268 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2183 to 1805.
[2022-02-18 13:51:10,272 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1805 states, 1801 states have (on average 1.9328151027207108) internal successors, (3481), 1804 states have internal predecessors, (3481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:10,276 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1805 states and 3481 transitions.
[2022-02-18 13:51:10,277 INFO  L78                 Accepts]: Start accepts. Automaton has 1805 states and 3481 transitions. Word has length 52
[2022-02-18 13:51:10,277 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-18 13:51:10,277 INFO  L470      AbstractCegarLoop]: Abstraction has 1805 states and 3481 transitions.
[2022-02-18 13:51:10,278 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:10,278 INFO  L276                IsEmpty]: Start isEmpty. Operand 1805 states and 3481 transitions.
[2022-02-18 13:51:10,284 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2022-02-18 13:51:10,284 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-18 13:51:10,284 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 13:51:10,284 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-18 13:51:10,284 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2022-02-18 13:51:10,285 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 13:51:10,285 INFO  L85        PathProgramCache]: Analyzing trace with hash -405400082, now seen corresponding path program 1 times
[2022-02-18 13:51:10,285 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 13:51:10,285 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109195270]
[2022-02-18 13:51:10,285 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 13:51:10,285 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 13:51:10,325 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 13:51:10,401 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 13:51:10,401 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 13:51:10,401 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109195270]
[2022-02-18 13:51:10,401 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109195270] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 13:51:10,401 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 13:51:10,402 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-18 13:51:10,402 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211642532]
[2022-02-18 13:51:10,402 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 13:51:10,403 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-18 13:51:10,403 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 13:51:10,404 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-18 13:51:10,404 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-02-18 13:51:10,404 INFO  L87              Difference]: Start difference. First operand 1805 states and 3481 transitions. Second operand  has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:10,539 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 13:51:10,540 INFO  L93              Difference]: Finished difference Result 1256 states and 2305 transitions.
[2022-02-18 13:51:10,540 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-02-18 13:51:10,540 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59
[2022-02-18 13:51:10,540 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 13:51:10,544 INFO  L225             Difference]: With dead ends: 1256
[2022-02-18 13:51:10,544 INFO  L226             Difference]: Without dead ends: 1256
[2022-02-18 13:51:10,544 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2022-02-18 13:51:10,545 INFO  L933         BasicCegarLoop]: 106 mSDtfsCounter, 347 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-18 13:51:10,545 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [347 Valid, 212 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-18 13:51:10,548 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1256 states.
[2022-02-18 13:51:10,559 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1145.
[2022-02-18 13:51:10,561 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1145 states, 1140 states have (on average 1.8596491228070176) internal successors, (2120), 1144 states have internal predecessors, (2120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:10,563 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 2120 transitions.
[2022-02-18 13:51:10,563 INFO  L78                 Accepts]: Start accepts. Automaton has 1145 states and 2120 transitions. Word has length 59
[2022-02-18 13:51:10,563 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-18 13:51:10,563 INFO  L470      AbstractCegarLoop]: Abstraction has 1145 states and 2120 transitions.
[2022-02-18 13:51:10,564 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:10,564 INFO  L276                IsEmpty]: Start isEmpty. Operand 1145 states and 2120 transitions.
[2022-02-18 13:51:10,565 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2022-02-18 13:51:10,565 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-18 13:51:10,565 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 13:51:10,565 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-18 13:51:10,565 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2022-02-18 13:51:10,566 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 13:51:10,566 INFO  L85        PathProgramCache]: Analyzing trace with hash -667240077, now seen corresponding path program 1 times
[2022-02-18 13:51:10,566 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 13:51:10,566 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784147383]
[2022-02-18 13:51:10,566 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 13:51:10,566 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 13:51:10,583 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 13:51:10,659 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 13:51:10,660 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 13:51:10,660 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784147383]
[2022-02-18 13:51:10,660 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784147383] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 13:51:10,660 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 13:51:10,660 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2022-02-18 13:51:10,660 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81044486]
[2022-02-18 13:51:10,660 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 13:51:10,661 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-02-18 13:51:10,661 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 13:51:10,661 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-02-18 13:51:10,661 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2022-02-18 13:51:10,661 INFO  L87              Difference]: Start difference. First operand 1145 states and 2120 transitions. Second operand  has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:10,810 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 13:51:10,810 INFO  L93              Difference]: Finished difference Result 1136 states and 2082 transitions.
[2022-02-18 13:51:10,810 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 13:51:10,810 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68
[2022-02-18 13:51:10,811 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 13:51:10,813 INFO  L225             Difference]: With dead ends: 1136
[2022-02-18 13:51:10,813 INFO  L226             Difference]: Without dead ends: 935
[2022-02-18 13:51:10,814 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462
[2022-02-18 13:51:10,814 INFO  L933         BasicCegarLoop]: 182 mSDtfsCounter, 244 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-18 13:51:10,815 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [244 Valid, 962 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-18 13:51:10,817 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 935 states.
[2022-02-18 13:51:10,825 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 935.
[2022-02-18 13:51:10,826 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 935 states, 932 states have (on average 1.8122317596566524) internal successors, (1689), 934 states have internal predecessors, (1689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:10,827 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1689 transitions.
[2022-02-18 13:51:10,828 INFO  L78                 Accepts]: Start accepts. Automaton has 935 states and 1689 transitions. Word has length 68
[2022-02-18 13:51:10,828 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-18 13:51:10,828 INFO  L470      AbstractCegarLoop]: Abstraction has 935 states and 1689 transitions.
[2022-02-18 13:51:10,828 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:10,828 INFO  L276                IsEmpty]: Start isEmpty. Operand 935 states and 1689 transitions.
[2022-02-18 13:51:10,829 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2022-02-18 13:51:10,829 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-18 13:51:10,829 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 13:51:10,829 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-18 13:51:10,829 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2022-02-18 13:51:10,830 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 13:51:10,830 INFO  L85        PathProgramCache]: Analyzing trace with hash 871628872, now seen corresponding path program 1 times
[2022-02-18 13:51:10,830 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 13:51:10,830 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573209308]
[2022-02-18 13:51:10,830 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 13:51:10,831 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 13:51:10,845 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 13:51:10,889 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 13:51:10,890 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 13:51:10,890 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573209308]
[2022-02-18 13:51:10,890 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573209308] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 13:51:10,890 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 13:51:10,890 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-18 13:51:10,890 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271010979]
[2022-02-18 13:51:10,890 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 13:51:10,891 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-02-18 13:51:10,891 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 13:51:10,891 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-02-18 13:51:10,891 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-02-18 13:51:10,891 INFO  L87              Difference]: Start difference. First operand 935 states and 1689 transitions. Second operand  has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:10,939 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 13:51:10,939 INFO  L93              Difference]: Finished difference Result 955 states and 1716 transitions.
[2022-02-18 13:51:10,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 13:51:10,940 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72
[2022-02-18 13:51:10,940 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 13:51:10,942 INFO  L225             Difference]: With dead ends: 955
[2022-02-18 13:51:10,942 INFO  L226             Difference]: Without dead ends: 901
[2022-02-18 13:51:10,942 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2022-02-18 13:51:10,943 INFO  L933         BasicCegarLoop]: 161 mSDtfsCounter, 166 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-18 13:51:10,944 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 457 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-18 13:51:10,962 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 901 states.
[2022-02-18 13:51:10,971 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 901.
[2022-02-18 13:51:10,972 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 901 states, 899 states have (on average 1.8053392658509455) internal successors, (1623), 900 states have internal predecessors, (1623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:10,973 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1623 transitions.
[2022-02-18 13:51:10,974 INFO  L78                 Accepts]: Start accepts. Automaton has 901 states and 1623 transitions. Word has length 72
[2022-02-18 13:51:10,974 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-18 13:51:10,974 INFO  L470      AbstractCegarLoop]: Abstraction has 901 states and 1623 transitions.
[2022-02-18 13:51:10,974 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:10,974 INFO  L276                IsEmpty]: Start isEmpty. Operand 901 states and 1623 transitions.
[2022-02-18 13:51:10,975 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 90
[2022-02-18 13:51:10,975 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-18 13:51:10,975 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 13:51:10,976 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-02-18 13:51:10,976 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2022-02-18 13:51:10,976 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 13:51:10,976 INFO  L85        PathProgramCache]: Analyzing trace with hash -1209398004, now seen corresponding path program 1 times
[2022-02-18 13:51:10,976 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 13:51:10,976 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387957770]
[2022-02-18 13:51:10,977 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 13:51:10,977 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 13:51:10,991 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 13:51:11,011 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 13:51:11,011 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 13:51:11,011 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387957770]
[2022-02-18 13:51:11,011 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387957770] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 13:51:11,011 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 13:51:11,011 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-18 13:51:11,011 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763558908]
[2022-02-18 13:51:11,011 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 13:51:11,012 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-18 13:51:11,012 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 13:51:11,012 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-18 13:51:11,012 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-18 13:51:11,012 INFO  L87              Difference]: Start difference. First operand 901 states and 1623 transitions. Second operand  has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:11,047 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 13:51:11,047 INFO  L93              Difference]: Finished difference Result 594 states and 937 transitions.
[2022-02-18 13:51:11,047 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-18 13:51:11,047 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89
[2022-02-18 13:51:11,048 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 13:51:11,049 INFO  L225             Difference]: With dead ends: 594
[2022-02-18 13:51:11,049 INFO  L226             Difference]: Without dead ends: 570
[2022-02-18 13:51:11,049 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-18 13:51:11,050 INFO  L933         BasicCegarLoop]: 118 mSDtfsCounter, 55 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-18 13:51:11,050 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 181 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-18 13:51:11,051 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 570 states.
[2022-02-18 13:51:11,056 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 498.
[2022-02-18 13:51:11,056 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 498 states, 495 states have (on average 1.5777777777777777) internal successors, (781), 497 states have internal predecessors, (781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:11,057 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 781 transitions.
[2022-02-18 13:51:11,057 INFO  L78                 Accepts]: Start accepts. Automaton has 498 states and 781 transitions. Word has length 89
[2022-02-18 13:51:11,058 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-18 13:51:11,058 INFO  L470      AbstractCegarLoop]: Abstraction has 498 states and 781 transitions.
[2022-02-18 13:51:11,058 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:11,058 INFO  L276                IsEmpty]: Start isEmpty. Operand 498 states and 781 transitions.
[2022-02-18 13:51:11,059 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2022-02-18 13:51:11,059 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-18 13:51:11,059 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 13:51:11,059 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-02-18 13:51:11,059 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2022-02-18 13:51:11,059 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 13:51:11,060 INFO  L85        PathProgramCache]: Analyzing trace with hash -219332879, now seen corresponding path program 1 times
[2022-02-18 13:51:11,060 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 13:51:11,060 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089376030]
[2022-02-18 13:51:11,060 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 13:51:11,060 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 13:51:11,074 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 13:51:11,199 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 13:51:11,200 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 13:51:11,200 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089376030]
[2022-02-18 13:51:11,200 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089376030] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 13:51:11,200 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 13:51:11,200 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-02-18 13:51:11,200 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288360661]
[2022-02-18 13:51:11,200 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 13:51:11,201 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-02-18 13:51:11,201 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 13:51:11,201 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-02-18 13:51:11,201 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2022-02-18 13:51:11,201 INFO  L87              Difference]: Start difference. First operand 498 states and 781 transitions. Second operand  has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:11,284 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 13:51:11,285 INFO  L93              Difference]: Finished difference Result 482 states and 765 transitions.
[2022-02-18 13:51:11,285 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-02-18 13:51:11,285 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91
[2022-02-18 13:51:11,285 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 13:51:11,286 INFO  L225             Difference]: With dead ends: 482
[2022-02-18 13:51:11,286 INFO  L226             Difference]: Without dead ends: 418
[2022-02-18 13:51:11,287 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2022-02-18 13:51:11,287 INFO  L933         BasicCegarLoop]: 86 mSDtfsCounter, 240 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-18 13:51:11,287 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 181 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-18 13:51:11,288 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 418 states.
[2022-02-18 13:51:11,292 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 418.
[2022-02-18 13:51:11,292 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 418 states, 416 states have (on average 1.6081730769230769) internal successors, (669), 417 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:11,293 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 669 transitions.
[2022-02-18 13:51:11,293 INFO  L78                 Accepts]: Start accepts. Automaton has 418 states and 669 transitions. Word has length 91
[2022-02-18 13:51:11,293 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-18 13:51:11,293 INFO  L470      AbstractCegarLoop]: Abstraction has 418 states and 669 transitions.
[2022-02-18 13:51:11,294 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:11,294 INFO  L276                IsEmpty]: Start isEmpty. Operand 418 states and 669 transitions.
[2022-02-18 13:51:11,295 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 97
[2022-02-18 13:51:11,295 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-18 13:51:11,295 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]
[2022-02-18 13:51:11,295 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-02-18 13:51:11,295 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2022-02-18 13:51:11,295 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 13:51:11,296 INFO  L85        PathProgramCache]: Analyzing trace with hash -1238401574, now seen corresponding path program 1 times
[2022-02-18 13:51:11,296 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 13:51:11,296 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504106037]
[2022-02-18 13:51:11,296 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 13:51:11,296 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 13:51:11,311 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 13:51:11,411 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 13:51:11,411 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 13:51:11,411 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504106037]
[2022-02-18 13:51:11,411 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504106037] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 13:51:11,411 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 13:51:11,411 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2022-02-18 13:51:11,411 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212449960]
[2022-02-18 13:51:11,411 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 13:51:11,412 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-02-18 13:51:11,412 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 13:51:11,412 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-02-18 13:51:11,412 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2022-02-18 13:51:11,412 INFO  L87              Difference]: Start difference. First operand 418 states and 669 transitions. Second operand  has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:11,501 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 13:51:11,501 INFO  L93              Difference]: Finished difference Result 328 states and 512 transitions.
[2022-02-18 13:51:11,502 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-02-18 13:51:11,502 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96
[2022-02-18 13:51:11,502 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 13:51:11,503 INFO  L225             Difference]: With dead ends: 328
[2022-02-18 13:51:11,503 INFO  L226             Difference]: Without dead ends: 317
[2022-02-18 13:51:11,503 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110
[2022-02-18 13:51:11,503 INFO  L933         BasicCegarLoop]: 82 mSDtfsCounter, 213 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-18 13:51:11,504 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 203 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-18 13:51:11,505 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 317 states.
[2022-02-18 13:51:11,507 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317.
[2022-02-18 13:51:11,507 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 317 states, 316 states have (on average 1.5854430379746836) internal successors, (501), 316 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:11,508 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 501 transitions.
[2022-02-18 13:51:11,508 INFO  L78                 Accepts]: Start accepts. Automaton has 317 states and 501 transitions. Word has length 96
[2022-02-18 13:51:11,508 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-18 13:51:11,508 INFO  L470      AbstractCegarLoop]: Abstraction has 317 states and 501 transitions.
[2022-02-18 13:51:11,508 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:11,509 INFO  L276                IsEmpty]: Start isEmpty. Operand 317 states and 501 transitions.
[2022-02-18 13:51:11,509 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 104
[2022-02-18 13:51:11,509 INFO  L506         BasicCegarLoop]: Found error trace
[2022-02-18 13:51:11,509 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 13:51:11,509 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-02-18 13:51:11,510 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2022-02-18 13:51:11,510 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 13:51:11,510 INFO  L85        PathProgramCache]: Analyzing trace with hash 266298997, now seen corresponding path program 1 times
[2022-02-18 13:51:11,510 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 13:51:11,510 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493026448]
[2022-02-18 13:51:11,510 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 13:51:11,510 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 13:51:11,524 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 13:51:11,584 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 13:51:11,585 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 13:51:11,585 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493026448]
[2022-02-18 13:51:11,585 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493026448] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 13:51:11,585 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 13:51:11,585 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2022-02-18 13:51:11,585 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517989592]
[2022-02-18 13:51:11,585 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 13:51:11,585 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-02-18 13:51:11,586 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 13:51:11,586 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-02-18 13:51:11,586 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2022-02-18 13:51:11,586 INFO  L87              Difference]: Start difference. First operand 317 states and 501 transitions. Second operand  has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:11,694 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 13:51:11,694 INFO  L93              Difference]: Finished difference Result 311 states and 491 transitions.
[2022-02-18 13:51:11,694 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-02-18 13:51:11,695 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103
[2022-02-18 13:51:11,695 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 13:51:11,695 INFO  L225             Difference]: With dead ends: 311
[2022-02-18 13:51:11,695 INFO  L226             Difference]: Without dead ends: 0
[2022-02-18 13:51:11,695 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380
[2022-02-18 13:51:11,696 INFO  L933         BasicCegarLoop]: 136 mSDtfsCounter, 74 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-18 13:51:11,696 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 761 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-18 13:51:11,696 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-02-18 13:51:11,696 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-02-18 13:51:11,696 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:11,696 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-02-18 13:51:11,697 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103
[2022-02-18 13:51:11,697 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-02-18 13:51:11,697 INFO  L470      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-02-18 13:51:11,697 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:51:11,697 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-02-18 13:51:11,708 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-02-18 13:51:11,710 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining)
[2022-02-18 13:51:11,711 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining)
[2022-02-18 13:51:11,711 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining)
[2022-02-18 13:51:11,711 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining)
[2022-02-18 13:51:11,711 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 5 remaining)
[2022-02-18 13:51:11,711 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-02-18 13:51:11,713 INFO  L732         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 13:51:11,714 INFO  L230   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-18 13:51:11,714 INFO  L180   ceAbstractionStarter]: Computing trace abstraction results
[2022-02-18 13:51:11,715 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 01:51:11 BasicIcfg
[2022-02-18 13:51:11,716 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-18 13:51:11,716 INFO  L158              Benchmark]: Toolchain (without parser) took 2957.52ms. Allocated memory was 189.8MB in the beginning and 281.0MB in the end (delta: 91.2MB). Free memory was 132.4MB in the beginning and 244.6MB in the end (delta: -112.2MB). Peak memory consumption was 137.1MB. Max. memory is 8.0GB.
[2022-02-18 13:51:11,716 INFO  L158              Benchmark]: CDTParser took 0.09ms. Allocated memory is still 189.8MB. Free memory is still 150.1MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-18 13:51:11,716 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 412.70ms. Allocated memory was 189.8MB in the beginning and 281.0MB in the end (delta: 91.2MB). Free memory was 132.2MB in the beginning and 240.5MB in the end (delta: -108.3MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB.
[2022-02-18 13:51:11,716 INFO  L158              Benchmark]: Boogie Procedure Inliner took 27.71ms. Allocated memory is still 281.0MB. Free memory was 240.2MB in the beginning and 238.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-18 13:51:11,717 INFO  L158              Benchmark]: Boogie Preprocessor took 14.62ms. Allocated memory is still 281.0MB. Free memory was 238.1MB in the beginning and 236.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-18 13:51:11,717 INFO  L158              Benchmark]: RCFGBuilder took 310.59ms. Allocated memory is still 281.0MB. Free memory was 236.7MB in the beginning and 222.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB.
[2022-02-18 13:51:11,717 INFO  L158              Benchmark]: TraceAbstraction took 2187.18ms. Allocated memory is still 281.0MB. Free memory was 221.6MB in the beginning and 244.6MB in the end (delta: -23.0MB). Peak memory consumption was 135.6MB. Max. memory is 8.0GB.
[2022-02-18 13:51:11,718 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.09ms. Allocated memory is still 189.8MB. Free memory is still 150.1MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 412.70ms. Allocated memory was 189.8MB in the beginning and 281.0MB in the end (delta: 91.2MB). Free memory was 132.2MB in the beginning and 240.5MB in the end (delta: -108.3MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 27.71ms. Allocated memory is still 281.0MB. Free memory was 240.2MB in the beginning and 238.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 14.62ms. Allocated memory is still 281.0MB. Free memory was 238.1MB in the beginning and 236.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 310.59ms. Allocated memory is still 281.0MB. Free memory was 236.7MB in the beginning and 222.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB.
 * TraceAbstraction took 2187.18ms. Allocated memory is still 281.0MB. Free memory was 221.6MB in the beginning and 244.6MB in the end (delta: -23.0MB). Peak memory consumption was 135.6MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 19]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 19]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 19]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 19]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 3 procedures, 175 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1559 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1559 mSDsluCounter, 3530 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2500 mSDsCounter, 213 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 608 IncrementalHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 213 mSolverCounterUnsat, 1046 mSDtfsCounter, 608 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 26 SyntacticMatches, 2 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1808occurred in iteration=0, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 561 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 630 NumberOfCodeBlocks, 630 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 622 ConstructedInterpolants, 0 QuantifiedInterpolants, 2604 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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
  - AllSpecificationsHoldResult: All specifications hold
    4 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-02-18 13:51:11,753 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...