/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_05-lockfuns_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 23:34:53,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 23:34:53,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 23:34:53,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 23:34:53,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 23:34:53,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 23:34:53,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 23:34:53,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 23:34:53,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 23:34:53,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 23:34:53,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 23:34:53,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 23:34:53,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 23:34:54,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 23:34:54,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 23:34:54,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 23:34:54,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 23:34:54,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 23:34:54,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 23:34:54,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 23:34:54,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 23:34:54,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 23:34:54,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 23:34:54,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 23:34:54,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-26 23:34:54,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-26 23:34:54,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-26 23:34:54,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-26 23:34:54,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-26 23:34:54,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-26 23:34:54,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-26 23:34:54,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-26 23:34:54,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-26 23:34:54,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 23:34:54,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 23:34:54,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 23:34:54,043 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 23:34:54,081 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 23:34:54,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 23:34:54,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 23:34:54,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 23:34:54,087 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 23:34:54,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 23:34:54,088 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 23:34:54,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 23:34:54,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 23:34:54,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 23:34:54,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 23:34:54,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 23:34:54,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 23:34:54,091 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 23:34:54,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 23:34:54,091 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 23:34:54,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 23:34:54,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 23:34:54,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 23:34:54,092 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 23:34:54,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 23:34:54,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 23:34:54,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 23:34:54,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 23:34:54,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 23:34:54,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 23:34:54,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 23:34:54,094 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 23:34:54,094 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-26 23:34:54,095 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-26 23:34:54,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 23:34:54,095 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 23:34:54,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-26 23:34:54,095 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 23:34:54,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 23:34:54,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 23:34:54,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 23:34:54,638 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 23:34:54,639 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 23:34:54,644 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_05-lockfuns_racefree.i [2021-01-26 23:34:54,757 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dceaf117/5eca3758a4164fbe998a684e444927c2/FLAG95c9e4528 [2021-01-26 23:34:55,604 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 23:34:55,605 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_05-lockfuns_racefree.i [2021-01-26 23:34:55,628 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dceaf117/5eca3758a4164fbe998a684e444927c2/FLAG95c9e4528 [2021-01-26 23:34:55,857 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dceaf117/5eca3758a4164fbe998a684e444927c2 [2021-01-26 23:34:55,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 23:34:55,876 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 23:34:55,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 23:34:55,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 23:34:55,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 23:34:55,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 11:34:55" (1/1) ... [2021-01-26 23:34:55,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9e58d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:34:55, skipping insertion in model container [2021-01-26 23:34:55,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 11:34:55" (1/1) ... [2021-01-26 23:34:55,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 23:34:55,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 23:34:56,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 23:34:56,522 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 23:34:56,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 23:34:56,785 INFO L208 MainTranslator]: Completed translation [2021-01-26 23:34:56,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:34:56 WrapperNode [2021-01-26 23:34:56,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 23:34:56,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 23:34:56,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 23:34:56,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 23:34:56,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:34:56" (1/1) ... [2021-01-26 23:34:56,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:34:56" (1/1) ... [2021-01-26 23:34:56,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 23:34:56,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 23:34:56,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 23:34:56,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 23:34:56,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:34:56" (1/1) ... [2021-01-26 23:34:56,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:34:56" (1/1) ... [2021-01-26 23:34:56,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:34:56" (1/1) ... [2021-01-26 23:34:56,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:34:56" (1/1) ... [2021-01-26 23:34:56,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:34:56" (1/1) ... [2021-01-26 23:34:56,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:34:56" (1/1) ... [2021-01-26 23:34:56,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:34:56" (1/1) ... [2021-01-26 23:34:56,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 23:34:56,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 23:34:56,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 23:34:56,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 23:34:56,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:34:56" (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 23:34:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-26 23:34:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 23:34:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-26 23:34:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 23:34:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-01-26 23:34:57,087 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-01-26 23:34:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 23:34:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 23:34:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 23:34:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 23:34:57,091 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 23:34:57,777 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 23:34:57,778 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2021-01-26 23:34:57,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 11:34:57 BoogieIcfgContainer [2021-01-26 23:34:57,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 23:34:57,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 23:34:57,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 23:34:57,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 23:34:57,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 11:34:55" (1/3) ... [2021-01-26 23:34:57,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf22952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 11:34:57, skipping insertion in model container [2021-01-26 23:34:57,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:34:56" (2/3) ... [2021-01-26 23:34:57,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf22952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 11:34:57, skipping insertion in model container [2021-01-26 23:34:57,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 11:34:57" (3/3) ... [2021-01-26 23:34:57,794 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_05-lockfuns_racefree.i [2021-01-26 23:34:57,818 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 23:34:57,818 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 23:34:57,823 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-26 23:34:57,824 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 23:34:57,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,870 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,871 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,871 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,872 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,872 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,872 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,887 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,888 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:34:57,902 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-01-26 23:34:57,920 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-26 23:34:57,953 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 23:34:57,953 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 23:34:57,954 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 23:34:57,954 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 23:34:57,954 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 23:34:57,954 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 23:34:57,954 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 23:34:57,955 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 37 and size of Sequence is : 38[2021-01-26 23:34:57,994 INFO L164 SleepSetCegar]: Size of mCounterexample is: 38 [2021-01-26 23:34:57,995 INFO L165 SleepSetCegar]: [95#[ULTIMATE.startENTRY]don't care, 97#[L-1]don't care, 99#[L-1-1]don't care, 101#[L683]don't care, 103#[L683-1]don't care, 105#[L683-2]don't care, 107#[L683-3]don't care, 109#[L683-4]don't care, 111#[L689]don't care, 113#[L689-1]don't care, 115#[L689-2]don't care, 117#[L689-3]don't care, 119#[L689-4]don't care, 121#[L689-5]don't care, 123#[L691]don't care, 125#[L691-1]don't care, 127#[L691-2]don't care, 129#[L691-3]don't care, 131#[L691-4]don't care, 133#[L691-5]don't care, 135#[L691-6]don't care, 137#[L-1-2]don't care, 139#[L705]don't care, 141#[L705-1]don't care, 143#[L705-10]don't care, 145#[L705-11]don't care, 149#[L693]don't care, 151#[L693-1]don't care, 153#[L707-4]don't care, 155#[L707]don't care, 159#[L707-1]don't care, 161#[L707-2]don't care, 163#[L684]don't care, 165#[L684-1]don't care, 169#[L684-2]don't care, 171#[L683-5]don't care, 175#[L683-7]don't care, 179#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2021-01-26 23:34:57,996 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:34:58,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:34:58,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1229242055, now seen corresponding path program 1 times [2021-01-26 23:34:58,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:34:58,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341317373] [2021-01-26 23:34:58,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:34:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:34:58,270 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 23:34:58,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341317373] [2021-01-26 23:34:58,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:34:58,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-26 23:34:58,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982869298] [2021-01-26 23:34:58,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-26 23:34:58,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:34:58,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-26 23:34:58,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-26 23:34:58,329 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:34:58,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 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 23:34:58,356 INFO L164 SleepSetCegar]: Size of mCounterexample is: 38 [2021-01-26 23:34:58,359 INFO L165 SleepSetCegar]: [182#[ULTIMATE.startENTRY]true, 183#[L-1]true, 184#[L-1-1]true, 185#[L683]true, 186#[L683-1]true, 187#[L683-2]true, 188#[L683-3]true, 189#[L683-4]true, 190#[L689]true, 191#[L689-1]true, 192#[L689-2]true, 193#[L689-3]true, 194#[L689-4]true, 195#[L689-5]true, 196#[L691]true, 197#[L691-1]true, 198#[L691-2]true, 199#[L691-3]true, 200#[L691-4]true, 201#[L691-5]true, 202#[L691-6]true, 203#[L-1-2]true, 204#[L705]true, 205#[L705-1]true, 206#[L705-10]true, 207#[L705-11]true, 210#[L693]true, 211#[L693-1]true, 212#[L707-4]true, 213#[L707]true, 215#[L707-1]true, 216#[L707-2]true, 217#[L684]true, 218#[L684-1]true, 220#[L684-2]true, 221#[L683-5]true, 223#[L683-7]true, 225#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-26 23:34:58,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 23:34:58,360 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:34:58,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:34:58,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1522645062, now seen corresponding path program 1 times [2021-01-26 23:34:58,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:34:58,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660861788] [2021-01-26 23:34:58,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:34:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:34:58,539 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 23:34:58,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660861788] [2021-01-26 23:34:58,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:34:58,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-26 23:34:58,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961850182] [2021-01-26 23:34:58,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-26 23:34:58,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:34:58,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-26 23:34:58,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-26 23:34:58,545 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:34:58,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 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 23:34:58,579 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 67 and size of Sequence is : 68[2021-01-26 23:34:58,648 INFO L164 SleepSetCegar]: Size of mCounterexample is: 68 [2021-01-26 23:34:58,649 INFO L165 SleepSetCegar]: [230#[ULTIMATE.startENTRY]true, 232#[L-1]true, 234#[L-1-1]true, 236#[L683]true, 238#[L683-1]true, 240#[L683-2]true, 242#[L683-3]true, 244#[L683-4]true, 246#[L689]true, 248#[L689-1]true, 250#[L689-2]true, 252#[L689-3]true, 254#[L689-4]true, 256#[L689-5]true, 258#[L691]true, 260#[L691-1]true, 262#[L691-2]true, 264#[L691-3]true, 266#[L691-4]true, 268#[L691-5]true, 270#[L691-6]true, 272#[L-1-2]true, 274#[L705]true, 276#[L705-1]true, 278#[L705-10](= ULTIMATE.start_main_~i~0 0), 282#[L705-4](= ULTIMATE.start_main_~i~0 0), 289#[L705-5](= ULTIMATE.start_main_~i~0 0), 294#[L705-6, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 302#[L705-7, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 314#[L705-8, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 324#[L699, L705-8](= ULTIMATE.start_main_~i~0 0), 332#[L693, L705-8](= ULTIMATE.start_main_~i~0 0), 344#[L693-1, L705-8](= ULTIMATE.start_main_~i~0 0), 354#[L700-16, L705-8](= ULTIMATE.start_main_~i~0 0), 367#[L700-6, L705-8](= ULTIMATE.start_main_~i~0 0), 384#[L700, L705-8](= ULTIMATE.start_main_~i~0 0), 392#[L705-8, L700-1](= ULTIMATE.start_main_~i~0 0), 404#[L700-2, L705-8](= ULTIMATE.start_main_~i~0 0), 412#[L700-3, L705-8](= ULTIMATE.start_main_~i~0 0), 424#[L700-4, L705-8](= ULTIMATE.start_main_~i~0 0), 432#[L700-5, L705-8](= ULTIMATE.start_main_~i~0 0), 445#[L700-14, L705-8](= ULTIMATE.start_main_~i~0 0), 460#[L700-8, L705-8](= ULTIMATE.start_main_~i~0 0), 470#[L705-8, L700-9](= ULTIMATE.start_main_~i~0 0), 478#[L700-10, L705-8](= ULTIMATE.start_main_~i~0 0), 490#[L705-8, L700-11](= ULTIMATE.start_main_~i~0 0), 498#[L700-12, L705-8](= ULTIMATE.start_main_~i~0 0), 510#[L705-8, L700-13](= ULTIMATE.start_main_~i~0 0), 518#[L700-15, L705-8](= ULTIMATE.start_main_~i~0 0), 525#[L705-8, L700-17](= ULTIMATE.start_main_~i~0 0), 537#[L695, L705-8](= ULTIMATE.start_main_~i~0 0), 549#[t_funFINAL, L705-8](= ULTIMATE.start_main_~i~0 0), 559#[t_funEXIT, L705-8](= ULTIMATE.start_main_~i~0 0), 564#[t_funEXIT, L705-9]true, 569#[t_funEXIT, L705-10]true, 578#[L705-11, t_funEXIT]true, 587#[t_funEXIT, L693]true, 592#[t_funEXIT, L693-1]true, 597#[t_funEXIT, L707-4]true, 605#[L707, t_funEXIT]true, 612#[L707-1, t_funEXIT]true, 617#[t_funEXIT, L707-2]true, 622#[t_funEXIT, L684]true, 627#[t_funEXIT, L684-1]true, 637#[t_funEXIT, L684-2]true, 642#[t_funEXIT, L683-5]true, 652#[t_funEXIT, L683-7]true, 662#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funEXIT]true] [2021-01-26 23:34:58,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 23:34:58,650 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:34:58,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:34:58,651 INFO L82 PathProgramCache]: Analyzing trace with hash -887368892, now seen corresponding path program 1 times [2021-01-26 23:34:58,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:34:58,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829523981] [2021-01-26 23:34:58,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:34:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:34:58,967 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 23:34:58,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829523981] [2021-01-26 23:34:58,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411185657] [2021-01-26 23:34:58,970 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 23:34:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:34:59,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-26 23:34:59,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-26 23:34:59,222 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 23:34:59,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-26 23:34:59,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-26 23:34:59,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644531887] [2021-01-26 23:34:59,225 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 23:34:59,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:34:59,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 23:34:59,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-26 23:34:59,227 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:34:59,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 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: 57 and size of Sequence is : 58[2021-01-26 23:34:59,329 INFO L164 SleepSetCegar]: Size of mCounterexample is: 58 [2021-01-26 23:34:59,331 INFO L165 SleepSetCegar]: [869#[ULTIMATE.startENTRY]true, 871#[L-1]true, 873#[L-1-1]true, 875#[L683]true, 877#[L683-1]true, 879#[L683-2]true, 881#[L683-3]true, 883#[L683-4]true, 885#[L689]true, 887#[L689-1]true, 889#[L689-2]true, 891#[L689-3]true, 893#[L689-4]true, 895#[L689-5]true, 897#[L691]true, 899#[L691-1]true, 901#[L691-2]true, 903#[L691-3]true, 905#[L691-4]true, 907#[L691-5]true, 909#[L691-6]true, 911#[L-1-2]true, 913#[L705]true, 915#[L705-1]true, 917#[L705-10](= ULTIMATE.start_main_~i~0 0), 921#[L705-4](= ULTIMATE.start_main_~i~0 0), 925#[L705-5](= ULTIMATE.start_main_~i~0 0), 927#[L705-6, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 929#[L705-7, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 937#[L705-8, t_funENTRY](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 943#[L699, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 945#[L693, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 951#[L693-1, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 955#[L700-16, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 959#[L700-6, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 967#[L700, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 969#[L705-8, L700-1](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 975#[L700-2, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 977#[L700-3, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 983#[L700-4, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 985#[L700-5, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 993#[L700-14, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 999#[L700-8, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1003#[L705-8, L700-9](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1005#[L700-10, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1011#[L705-8, L700-11](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1013#[L700-12, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1019#[L705-8, L700-13](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1023#[L700-15, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1025#[L705-8, L700-17](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1031#[L695, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1037#[t_funFINAL, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1041#[t_funEXIT, L705-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1043#[t_funEXIT, L705-9](and (<= ULTIMATE.start_main_~i~0 1) (= |ULTIMATE.start_main_#t~post10| 0)), 1045#[t_funEXIT, L705-10](<= ULTIMATE.start_main_~i~0 1), 1049#[t_funEXIT, L705-4](<= ULTIMATE.start_main_~i~0 1), 1058#[L705-5, t_funEXIT](<= ULTIMATE.start_main_~i~0 1), 1065#[ULTIMATE.startErr0INUSE_VIOLATION, t_funEXIT](<= ULTIMATE.start_main_~i~0 1)] [2021-01-26 23:34:59,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-26 23:34:59,533 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:34:59,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:34:59,534 INFO L82 PathProgramCache]: Analyzing trace with hash 468093218, now seen corresponding path program 1 times [2021-01-26 23:34:59,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:34:59,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873543482] [2021-01-26 23:34:59,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:34:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 23:34:59,619 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 23:34:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 23:34:59,654 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 23:34:59,697 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-26 23:34:59,698 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-26 23:34:59,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-26 23:34:59,699 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-26 23:34:59,699 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-26 23:34:59,707 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@4274da27 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 23:34:59,713 INFO L168 Benchmark]: Toolchain (without parser) took 3848.34 ms. Allocated memory is still 302.0 MB. Free memory was 276.2 MB in the beginning and 154.9 MB in the end (delta: 121.3 MB). Peak memory consumption was 120.3 MB. Max. memory is 16.0 GB. [2021-01-26 23:34:59,714 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 272.9 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 23:34:59,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 910.13 ms. Allocated memory is still 302.0 MB. Free memory was 275.2 MB in the beginning and 275.5 MB in the end (delta: -271.3 kB). Peak memory consumption was 28.0 MB. Max. memory is 16.0 GB. [2021-01-26 23:34:59,716 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.12 ms. Allocated memory is still 302.0 MB. Free memory was 275.5 MB in the beginning and 273.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 23:34:59,717 INFO L168 Benchmark]: Boogie Preprocessor took 45.35 ms. Allocated memory is still 302.0 MB. Free memory was 273.4 MB in the beginning and 272.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 23:34:59,718 INFO L168 Benchmark]: RCFGBuilder took 824.81 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 246.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-01-26 23:34:59,719 INFO L168 Benchmark]: TraceAbstraction took 1928.01 ms. Allocated memory is still 302.0 MB. Free memory was 246.1 MB in the beginning and 154.9 MB in the end (delta: 91.2 MB). Peak memory consumption was 90.2 MB. Max. memory is 16.0 GB. [2021-01-26 23:34:59,724 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 272.9 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 910.13 ms. Allocated memory is still 302.0 MB. Free memory was 275.2 MB in the beginning and 275.5 MB in the end (delta: -271.3 kB). Peak memory consumption was 28.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 115.12 ms. Allocated memory is still 302.0 MB. Free memory was 275.5 MB in the beginning and 273.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 45.35 ms. Allocated memory is still 302.0 MB. Free memory was 273.4 MB in the beginning and 272.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 824.81 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 246.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1928.01 ms. Allocated memory is still 302.0 MB. Free memory was 246.1 MB in the beginning and 154.9 MB in the end (delta: 91.2 MB). Peak memory consumption was 90.2 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@4274da27 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@4274da27: 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...