/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 23:36:24,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 23:36:24,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 23:36:24,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 23:36:24,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 23:36:24,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 23:36:24,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 23:36:24,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 23:36:24,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 23:36:24,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 23:36:24,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 23:36:24,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 23:36:24,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 23:36:24,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 23:36:24,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 23:36:24,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 23:36:24,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 23:36:24,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 23:36:24,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 23:36:24,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 23:36:24,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 23:36:24,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 23:36:24,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 23:36:24,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 23:36:24,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-26 23:36:24,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 23:36:24,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 23:36:24,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 23:36:24,841 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-Sleep-NoLbe-Delay.epf [2021-01-26 23:36:24,901 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 23:36:24,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 23:36:24,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 23:36:24,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 23:36:24,906 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 23:36:24,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 23:36:24,907 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 23:36:24,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 23:36:24,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 23:36:24,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 23:36:24,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 23:36:24,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 23:36:24,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 23:36:24,910 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 23:36:24,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 23:36:24,910 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 23:36:24,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 23:36:24,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 23:36:24,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 23:36:24,911 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 23:36:24,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 23:36:24,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 23:36:24,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 23:36:24,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 23:36:24,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 23:36:24,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 23:36:24,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 23:36:24,914 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 23:36:24,914 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-26 23:36:24,914 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-26 23:36:24,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 23:36:24,914 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 23:36:24,915 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-26 23:36:24,915 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 23:36:25,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 23:36:25,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 23:36:25,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 23:36:25,455 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 23:36:25,456 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 23:36:25,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i [2021-01-26 23:36:25,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30d808324/8709bf252df94bb5a2b7b9598502bb3c/FLAG9c1497341 [2021-01-26 23:36:26,486 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 23:36:26,487 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i [2021-01-26 23:36:26,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30d808324/8709bf252df94bb5a2b7b9598502bb3c/FLAG9c1497341 [2021-01-26 23:36:26,761 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30d808324/8709bf252df94bb5a2b7b9598502bb3c [2021-01-26 23:36:26,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 23:36:26,784 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 23:36:26,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 23:36:26,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 23:36:26,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 23:36:26,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 11:36:26" (1/1) ... [2021-01-26 23:36:26,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e7c92ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:36:26, skipping insertion in model container [2021-01-26 23:36:26,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 11:36:26" (1/1) ... [2021-01-26 23:36:26,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 23:36:26,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 23:36:27,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 23:36:27,492 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 23:36:27,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 23:36:27,720 INFO L208 MainTranslator]: Completed translation [2021-01-26 23:36:27,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:36:27 WrapperNode [2021-01-26 23:36:27,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 23:36:27,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 23:36:27,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 23:36:27,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 23:36:27,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:36:27" (1/1) ... [2021-01-26 23:36:27,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:36:27" (1/1) ... [2021-01-26 23:36:27,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 23:36:27,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 23:36:27,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 23:36:27,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 23:36:27,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:36:27" (1/1) ... [2021-01-26 23:36:27,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:36:27" (1/1) ... [2021-01-26 23:36:27,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:36:27" (1/1) ... [2021-01-26 23:36:27,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:36:27" (1/1) ... [2021-01-26 23:36:27,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:36:27" (1/1) ... [2021-01-26 23:36:27,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:36:27" (1/1) ... [2021-01-26 23:36:27,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:36:27" (1/1) ... [2021-01-26 23:36:27,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 23:36:27,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 23:36:27,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 23:36:27,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 23:36:27,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:36:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 23:36:28,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-26 23:36:28,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 23:36:28,033 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-26 23:36:28,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 23:36:28,034 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-01-26 23:36:28,035 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-01-26 23:36:28,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 23:36:28,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 23:36:28,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 23:36:28,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 23:36:28,038 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-26 23:36:28,780 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 23:36:28,781 INFO L298 CfgBuilder]: Removed 17 assume(true) statements. [2021-01-26 23:36:28,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 11:36:28 BoogieIcfgContainer [2021-01-26 23:36:28,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 23:36:28,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 23:36:28,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 23:36:28,792 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 23:36:28,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 11:36:26" (1/3) ... [2021-01-26 23:36:28,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b90eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 11:36:28, skipping insertion in model container [2021-01-26 23:36:28,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:36:27" (2/3) ... [2021-01-26 23:36:28,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b90eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 11:36:28, skipping insertion in model container [2021-01-26 23:36:28,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 11:36:28" (3/3) ... [2021-01-26 23:36:28,798 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_21-deref_read_racing.i [2021-01-26 23:36:28,821 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 23:36:28,821 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 23:36:28,827 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-26 23:36:28,829 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 23:36:28,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,898 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,898 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,899 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,899 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,899 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,899 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,905 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,905 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,905 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,905 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,908 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,909 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,909 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,910 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,910 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,911 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,912 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,912 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,913 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,914 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,914 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,915 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,915 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,915 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,917 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,919 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,919 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,919 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,920 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,920 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,920 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,924 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,925 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,925 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,925 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,925 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,926 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,926 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,926 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,926 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,927 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,927 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:36:28,941 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-26 23:36:28,958 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-26 23:36:29,014 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 23:36:29,015 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 23:36:29,015 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 23:36:29,015 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 23:36:29,016 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 23:36:29,016 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 23:36:29,016 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 23:36:29,016 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 39 and size of Sequence is : 40[2021-01-26 23:36:29,069 INFO L164 SleepSetCegar]: Size of mCounterexample is: 40 [2021-01-26 23:36:29,070 INFO L165 SleepSetCegar]: [92#[ULTIMATE.startENTRY]don't care, 94#[L-1]don't care, 96#[L-1-1]don't care, 98#[L683]don't care, 100#[L683-1]don't care, 102#[L683-2]don't care, 104#[L683-3]don't care, 106#[L683-4]don't care, 108#[L689]don't care, 110#[L689-1]don't care, 112#[L689-2]don't care, 114#[L689-3]don't care, 116#[L689-4]don't care, 118#[L689-5]don't care, 120#[L690]don't care, 122#[L690-1]don't care, 124#[L691]don't care, 126#[L692]don't care, 128#[L692-1]don't care, 130#[L692-2]don't care, 132#[L692-3]don't care, 134#[L692-4]don't care, 136#[L692-5]don't care, 138#[L692-6]don't care, 140#[L-1-2]don't care, 142#[L700]don't care, 144#[L700-1]don't care, 146#[L700-10]don't care, 148#[L700-11]don't care, 152#[L702-7]don't care, 154#[L702-1]don't care, 158#[L702-2]don't care, 160#[L702-3]don't care, 162#[L702-4]don't care, 164#[L684]don't care, 166#[L684-1]don't care, 170#[L684-2]don't care, 172#[L683-5]don't care, 176#[L683-7]don't care, 180#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2021-01-26 23:36:29,070 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:36:29,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:36:29,079 INFO L82 PathProgramCache]: Analyzing trace with hash 778536759, now seen corresponding path program 1 times [2021-01-26 23:36:29,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:36:29,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010737087] [2021-01-26 23:36:29,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:36:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:36:29,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 23:36:29,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010737087] [2021-01-26 23:36:29,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:36:29,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-26 23:36:29,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762250763] [2021-01-26 23:36:29,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-26 23:36:29,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:36:29,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-26 23:36:29,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-26 23:36:29,436 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:36:29,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Size of Word is: 39 and size of Sequence is : 40[2021-01-26 23:36:29,459 INFO L164 SleepSetCegar]: Size of mCounterexample is: 40 [2021-01-26 23:36:29,459 INFO L165 SleepSetCegar]: [183#[ULTIMATE.startENTRY]true, 184#[L-1]true, 185#[L-1-1]true, 186#[L683]true, 187#[L683-1]true, 188#[L683-2]true, 189#[L683-3]true, 190#[L683-4]true, 191#[L689]true, 192#[L689-1]true, 193#[L689-2]true, 194#[L689-3]true, 195#[L689-4]true, 196#[L689-5]true, 197#[L690]true, 198#[L690-1]true, 199#[L691]true, 200#[L692]true, 201#[L692-1]true, 202#[L692-2]true, 203#[L692-3]true, 204#[L692-4]true, 205#[L692-5]true, 206#[L692-6]true, 207#[L-1-2]true, 208#[L700]true, 209#[L700-1]true, 210#[L700-10]true, 212#[L700-11]true, 214#[L702-7]true, 215#[L702-1]true, 217#[L702-2]true, 218#[L702-3]true, 219#[L702-4]true, 220#[L684]true, 221#[L684-1]true, 223#[L684-2]true, 224#[L683-5]true, 226#[L683-7]true, 228#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-26 23:36:29,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 23:36:29,460 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:36:29,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:36:29,464 INFO L82 PathProgramCache]: Analyzing trace with hash 907619478, now seen corresponding path program 1 times [2021-01-26 23:36:29,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:36:29,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992315522] [2021-01-26 23:36:29,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:36:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:36:29,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 23:36:29,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992315522] [2021-01-26 23:36:29,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:36:29,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-26 23:36:29,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125031118] [2021-01-26 23:36:29,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-26 23:36:29,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:36:29,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-26 23:36:29,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-26 23:36:29,622 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:36:29,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 23:36:29,654 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 46 and size of Sequence is : 47[2021-01-26 23:36:29,704 INFO L164 SleepSetCegar]: Size of mCounterexample is: 47 [2021-01-26 23:36:29,705 INFO L165 SleepSetCegar]: [233#[ULTIMATE.startENTRY]true, 235#[L-1]true, 237#[L-1-1]true, 239#[L683]true, 241#[L683-1]true, 243#[L683-2]true, 245#[L683-3]true, 247#[L683-4]true, 249#[L689]true, 251#[L689-1]true, 253#[L689-2]true, 255#[L689-3]true, 257#[L689-4]true, 259#[L689-5]true, 261#[L690]true, 263#[L690-1]true, 265#[L691]true, 267#[L692]true, 269#[L692-1]true, 271#[L692-2]true, 273#[L692-3]true, 275#[L692-4]true, 277#[L692-5]true, 279#[L692-6]true, 281#[L-1-2]true, 283#[L700]true, 285#[L700-1]true, 287#[L700-10](= ULTIMATE.start_main_~i~0 0), 293#[L700-4](= ULTIMATE.start_main_~i~0 0), 298#[L700-5](= ULTIMATE.start_main_~i~0 0), 303#[L700-6, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 311#[L700-7, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 321#[L700-8, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 331#[L700-9, t_funENTRY]true, 341#[L700-10, t_funENTRY]true, 357#[L700-11, t_funENTRY]true, 369#[L702-7, t_funENTRY]true, 382#[L702-1, t_funENTRY]true, 394#[L702-2, t_funENTRY]true, 404#[L702-3, t_funENTRY]true, 414#[L702-4, t_funENTRY]true, 424#[L684, t_funENTRY]true, 434#[L684-1, t_funENTRY]true, 449#[L684-2, t_funENTRY]true, 459#[L683-5, t_funENTRY]true, 474#[L683-7, t_funENTRY]true, 489#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funENTRY]true] [2021-01-26 23:36:29,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 23:36:29,706 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:36:29,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:36:29,707 INFO L82 PathProgramCache]: Analyzing trace with hash -2108696747, now seen corresponding path program 1 times [2021-01-26 23:36:29,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:36:29,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630275109] [2021-01-26 23:36:29,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:36:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:36:29,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 23:36:29,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630275109] [2021-01-26 23:36:29,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166898276] [2021-01-26 23:36:29,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-26 23:36:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:36:29,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-26 23:36:29,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-26 23:36:30,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 23:36:30,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-26 23:36:30,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-26 23:36:30,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825509285] [2021-01-26 23:36:30,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 23:36:30,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:36:30,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 23:36:30,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-26 23:36:30,067 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:36:30,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Size of Word is: 37 and size of Sequence is : 38[2021-01-26 23:36:30,160 INFO L164 SleepSetCegar]: Size of mCounterexample is: 38 [2021-01-26 23:36:30,160 INFO L165 SleepSetCegar]: [635#[ULTIMATE.startENTRY]true, 637#[L-1]true, 639#[L-1-1]true, 641#[L683]true, 643#[L683-1]true, 645#[L683-2]true, 647#[L683-3]true, 649#[L683-4]true, 651#[L689]true, 653#[L689-1]true, 655#[L689-2]true, 657#[L689-3]true, 659#[L689-4]true, 661#[L689-5]true, 663#[L690]true, 665#[L690-1]true, 667#[L691]true, 669#[L692]true, 671#[L692-1]true, 673#[L692-2]true, 675#[L692-3]true, 677#[L692-4]true, 679#[L692-5]true, 681#[L692-6]true, 683#[L-1-2]true, 685#[L700]true, 687#[L700-1]true, 689#[L700-10](= ULTIMATE.start_main_~i~0 0), 695#[L700-4](= ULTIMATE.start_main_~i~0 0), 697#[L700-5](= ULTIMATE.start_main_~i~0 0), 699#[L700-6, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 701#[L700-7, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 707#[L700-8, t_funENTRY](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post12| 0)), 713#[L700-9, t_funENTRY](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 717#[L700-10, t_funENTRY](<= ULTIMATE.start_main_~i~0 1), 725#[L700-4, t_funENTRY](<= ULTIMATE.start_main_~i~0 1), 739#[L700-5, t_funENTRY](<= ULTIMATE.start_main_~i~0 1), 753#[ULTIMATE.startErr0INUSE_VIOLATION, t_funENTRY](<= ULTIMATE.start_main_~i~0 1)] [2021-01-26 23:36:30,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-26 23:36:30,362 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:36:30,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:36:30,364 INFO L82 PathProgramCache]: Analyzing trace with hash 255748573, now seen corresponding path program 1 times [2021-01-26 23:36:30,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:36:30,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257527132] [2021-01-26 23:36:30,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:36:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 23:36:30,426 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 23:36:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 23:36:30,479 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 23:36:30,532 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-26 23:36:30,533 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-26 23:36:30,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-26 23:36:30,534 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-26 23:36:30,534 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-26 23:36:30,546 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@3e1ea318 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadAuxiliaryVariable(ThreadInstanceAdder.java:479) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInUseVariable(ThreadInstanceAdder.java:458) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstance(ThreadInstanceAdder.java:438) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstances(ThreadInstanceAdder.java:410) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-01-26 23:36:30,555 INFO L168 Benchmark]: Toolchain (without parser) took 3777.16 ms. Allocated memory is still 302.0 MB. Free memory was 277.6 MB in the beginning and 177.4 MB in the end (delta: 100.2 MB). Peak memory consumption was 99.1 MB. Max. memory is 16.0 GB. [2021-01-26 23:36:30,556 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 23:36:30,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 936.24 ms. Allocated memory is still 302.0 MB. Free memory was 276.5 MB in the beginning and 247.0 MB in the end (delta: 29.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-01-26 23:36:30,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.63 ms. Allocated memory is still 302.0 MB. Free memory was 246.8 MB in the beginning and 285.4 MB in the end (delta: -38.6 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-01-26 23:36:30,560 INFO L168 Benchmark]: Boogie Preprocessor took 95.38 ms. Allocated memory is still 302.0 MB. Free memory was 284.7 MB in the beginning and 283.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 23:36:30,564 INFO L168 Benchmark]: RCFGBuilder took 879.14 ms. Allocated memory is still 302.0 MB. Free memory was 283.3 MB in the beginning and 257.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-01-26 23:36:30,565 INFO L168 Benchmark]: TraceAbstraction took 1765.09 ms. Allocated memory is still 302.0 MB. Free memory was 256.0 MB in the beginning and 177.4 MB in the end (delta: 78.6 MB). Peak memory consumption was 77.6 MB. Max. memory is 16.0 GB. [2021-01-26 23:36:30,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 936.24 ms. Allocated memory is still 302.0 MB. Free memory was 276.5 MB in the beginning and 247.0 MB in the end (delta: 29.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 81.63 ms. Allocated memory is still 302.0 MB. Free memory was 246.8 MB in the beginning and 285.4 MB in the end (delta: -38.6 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 95.38 ms. Allocated memory is still 302.0 MB. Free memory was 284.7 MB in the beginning and 283.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 879.14 ms. Allocated memory is still 302.0 MB. Free memory was 283.3 MB in the beginning and 257.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1765.09 ms. Allocated memory is still 302.0 MB. Free memory was 256.0 MB in the beginning and 177.4 MB in the end (delta: 78.6 MB). Peak memory consumption was 77.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@3e1ea318 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@3e1ea318: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...