/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-New_States.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_61-invariant_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-27 03:12:56,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-27 03:12:56,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-27 03:12:56,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-27 03:12:56,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-27 03:12:56,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-27 03:12:56,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-27 03:12:56,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-27 03:12:56,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-27 03:12:56,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-27 03:12:56,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-27 03:12:56,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-27 03:12:56,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-27 03:12:56,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-27 03:12:56,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-27 03:12:56,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-27 03:12:56,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-27 03:12:56,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-27 03:12:56,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-27 03:12:56,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-27 03:12:56,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-27 03:12:56,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-27 03:12:56,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-27 03:12:56,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-27 03:12:56,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-27 03:12:57,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-27 03:12:57,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-27 03:12:57,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-27 03:12:57,004 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-New_States.epf [2021-01-27 03:12:57,063 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-27 03:12:57,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-27 03:12:57,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-27 03:12:57,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-27 03:12:57,070 INFO L138 SettingsManager]: * Use SBE=true [2021-01-27 03:12:57,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-27 03:12:57,070 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-27 03:12:57,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-27 03:12:57,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-27 03:12:57,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-27 03:12:57,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-27 03:12:57,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-27 03:12:57,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-27 03:12:57,073 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-27 03:12:57,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-27 03:12:57,073 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-27 03:12:57,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-27 03:12:57,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-27 03:12:57,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-27 03:12:57,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-27 03:12:57,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-27 03:12:57,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-27 03:12:57,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-27 03:12:57,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-27 03:12:57,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-27 03:12:57,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-27 03:12:57,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-27 03:12:57,076 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-27 03:12:57,076 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-27 03:12:57,076 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-27 03:12:57,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-27 03:12:57,077 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-27 03:12:57,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-27 03:12:57,077 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-27 03:12:57,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-27 03:12:57,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-27 03:12:57,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-27 03:12:57,505 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-27 03:12:57,506 INFO L275 PluginConnector]: CDTParser initialized [2021-01-27 03:12:57,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_61-invariant_racing.i [2021-01-27 03:12:57,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53fcff669/f795982f8ba44b8f88389ad92bd2ecb0/FLAG45b0589c8 [2021-01-27 03:12:58,332 INFO L306 CDTParser]: Found 1 translation units. [2021-01-27 03:12:58,333 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_61-invariant_racing.i [2021-01-27 03:12:58,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53fcff669/f795982f8ba44b8f88389ad92bd2ecb0/FLAG45b0589c8 [2021-01-27 03:12:58,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53fcff669/f795982f8ba44b8f88389ad92bd2ecb0 [2021-01-27 03:12:58,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-27 03:12:58,616 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-27 03:12:58,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-27 03:12:58,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-27 03:12:58,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-27 03:12:58,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:12:58" (1/1) ... [2021-01-27 03:12:58,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@103b3333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:58, skipping insertion in model container [2021-01-27 03:12:58,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:12:58" (1/1) ... [2021-01-27 03:12:58,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-27 03:12:58,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-27 03:12:59,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 03:12:59,131 INFO L203 MainTranslator]: Completed pre-run [2021-01-27 03:12:59,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 03:12:59,341 INFO L208 MainTranslator]: Completed translation [2021-01-27 03:12:59,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:59 WrapperNode [2021-01-27 03:12:59,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-27 03:12:59,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-27 03:12:59,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-27 03:12:59,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-27 03:12:59,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:59" (1/1) ... [2021-01-27 03:12:59,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:59" (1/1) ... [2021-01-27 03:12:59,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-27 03:12:59,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-27 03:12:59,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-27 03:12:59,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-27 03:12:59,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:59" (1/1) ... [2021-01-27 03:12:59,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:59" (1/1) ... [2021-01-27 03:12:59,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:59" (1/1) ... [2021-01-27 03:12:59,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:59" (1/1) ... [2021-01-27 03:12:59,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:59" (1/1) ... [2021-01-27 03:12:59,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:59" (1/1) ... [2021-01-27 03:12:59,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:59" (1/1) ... [2021-01-27 03:12:59,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-27 03:12:59,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-27 03:12:59,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-27 03:12:59,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-27 03:12:59,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:59" (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 [2021-01-27 03:12:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-27 03:12:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-27 03:12:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-27 03:12:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-27 03:12:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-01-27 03:12:59,617 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-01-27 03:12:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-27 03:12:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-27 03:12:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-27 03:12:59,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-27 03:12:59,619 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-27 03:13:00,323 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-27 03:13:00,323 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2021-01-27 03:13:00,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:13:00 BoogieIcfgContainer [2021-01-27 03:13:00,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-27 03:13:00,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-27 03:13:00,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-27 03:13:00,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-27 03:13:00,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 03:12:58" (1/3) ... [2021-01-27 03:13:00,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60522ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:13:00, skipping insertion in model container [2021-01-27 03:13:00,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:59" (2/3) ... [2021-01-27 03:13:00,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60522ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:13:00, skipping insertion in model container [2021-01-27 03:13:00,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:13:00" (3/3) ... [2021-01-27 03:13:00,340 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_61-invariant_racing.i [2021-01-27 03:13:00,358 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-27 03:13:00,359 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-27 03:13:00,363 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-27 03:13:00,364 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-27 03:13:00,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,414 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,414 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,415 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,415 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,430 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,431 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,435 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:13:00,447 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-01-27 03:13:00,462 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-27 03:13:00,489 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-27 03:13:00,489 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-27 03:13:00,489 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-27 03:13:00,489 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-27 03:13:00,489 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-27 03:13:00,490 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-27 03:13:00,490 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-27 03:13:00,490 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 63 and size of Sequence is : 64[2021-01-27 03:13:00,526 INFO L164 SleepSetCegar]: Size of mCounterexample is: 64 [2021-01-27 03:13:00,527 INFO L165 SleepSetCegar]: [111#[ULTIMATE.startENTRY]don't care, 114#[L-1]don't care, 117#[L-1-1]don't care, 120#[L683]don't care, 123#[L683-1]don't care, 126#[L683-2]don't care, 129#[L683-3]don't care, 132#[L683-4]don't care, 135#[L689]don't care, 138#[L689-1]don't care, 141#[L689-2]don't care, 144#[L689-3]don't care, 147#[L689-4]don't care, 150#[L689-5]don't care, 153#[L691]don't care, 156#[L691-1]don't care, 159#[L691-2]don't care, 162#[L691-3]don't care, 165#[L691-4]don't care, 168#[L691-5]don't care, 171#[L691-6]don't care, 174#[L-1-2]don't care, 177#[L703]don't care, 180#[L703-1]don't care, 183#[L703-10]don't care, 188#[L704-16]don't care, 195#[L704-6]don't care, 199#[L704]don't care, 205#[L704-1]don't care, 208#[L704-2]don't care, 211#[L704-3]don't care, 214#[L704-4]don't care, 217#[L704-5]don't care, 201#[L704-14]don't care, 222#[L704-8]don't care, 228#[L704-9]don't care, 231#[L704-10]don't care, 234#[L704-11]don't care, 237#[L704-12]don't care, 240#[L704-13]don't care, 224#[L704-15]don't care, 193#[L704-17]don't care, 247#[L705]don't care, 250#[L706-5]don't care, 253#[L706-1]don't care, 259#[L706-2]don't care, 262#[L706-3]don't care, 265#[L684]don't care, 268#[L684-1]don't care, 273#[L684-2]don't care, 277#[L683-5]don't care, 280#[L683-9]don't care, 271#[L684-4]don't care, 287#[L706-4]don't care, 250#[L706-5]don't care, 253#[L706-1]don't care, 259#[L706-2]don't care, 262#[L706-3]don't care, 265#[L684]don't care, 268#[L684-1]don't care, 273#[L684-2]don't care, 277#[L683-5]don't care, 282#[L683-7]don't care, 341#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2021-01-27 03:13:00,527 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:13:00,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:13:00,534 INFO L82 PathProgramCache]: Analyzing trace with hash 195613365, now seen corresponding path program 1 times [2021-01-27 03:13:00,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:13:00,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407452961] [2021-01-27 03:13:00,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:13:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:13:00,783 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-27 03:13:00,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407452961] [2021-01-27 03:13:00,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 03:13:00,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-27 03:13:00,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3962709] [2021-01-27 03:13:00,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-27 03:13:00,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 03:13:00,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-27 03:13:00,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-27 03:13:00,841 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 03:13:00,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 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: 52 and size of Sequence is : 53[2021-01-27 03:13:00,872 INFO L164 SleepSetCegar]: Size of mCounterexample is: 53 [2021-01-27 03:13:00,876 INFO L165 SleepSetCegar]: [347#[ULTIMATE.startENTRY]true, 349#[L-1]true, 351#[L-1-1]true, 353#[L683]true, 355#[L683-1]true, 357#[L683-2]true, 359#[L683-3]true, 361#[L683-4]true, 363#[L689]true, 365#[L689-1]true, 367#[L689-2]true, 369#[L689-3]true, 371#[L689-4]true, 373#[L689-5]true, 375#[L691]true, 377#[L691-1]true, 379#[L691-2]true, 381#[L691-3]true, 383#[L691-4]true, 385#[L691-5]true, 387#[L691-6]true, 389#[L-1-2]true, 391#[L703]true, 393#[L703-1]true, 395#[L703-10]true, 399#[L704-16]true, 404#[L704-6]true, 407#[L704]true, 411#[L704-1]true, 413#[L704-2]true, 415#[L704-3]true, 417#[L704-4]true, 419#[L704-5]true, 421#[L704-14]true, 425#[L704-8]true, 429#[L704-9]true, 431#[L704-10]true, 433#[L704-11]true, 435#[L704-12]true, 437#[L704-13]true, 439#[L704-15]true, 442#[L704-17]true, 445#[L705]true, 447#[L706-5]true, 449#[L706-1]true, 453#[L706-2]true, 455#[L706-3]true, 457#[L684]true, 459#[L684-1]true, 462#[L684-2]true, 465#[L683-5]true, 468#[L683-7]true, 471#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-27 03:13:00,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-27 03:13:00,878 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:13:00,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:13:00,881 INFO L82 PathProgramCache]: Analyzing trace with hash -164187505, now seen corresponding path program 1 times [2021-01-27 03:13:00,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:13:00,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899121377] [2021-01-27 03:13:00,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:13:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:13:01,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 03:13:01,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899121377] [2021-01-27 03:13:01,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 03:13:01,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-27 03:13:01,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557027497] [2021-01-27 03:13:01,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-27 03:13:01,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 03:13:01,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-27 03:13:01,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-27 03:13:01,010 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 03:13:01,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-27 03:13:01,039 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 66 and size of Sequence is : 67[2021-01-27 03:13:01,080 INFO L164 SleepSetCegar]: Size of mCounterexample is: 67 [2021-01-27 03:13:01,081 INFO L165 SleepSetCegar]: [478#[ULTIMATE.startENTRY]true, 481#[L-1]true, 484#[L-1-1]true, 487#[L683]true, 490#[L683-1]true, 493#[L683-2]true, 496#[L683-3]true, 499#[L683-4]true, 502#[L689]true, 505#[L689-1]true, 508#[L689-2]true, 511#[L689-3]true, 514#[L689-4]true, 517#[L689-5]true, 520#[L691]true, 523#[L691-1]true, 526#[L691-2]true, 529#[L691-3]true, 532#[L691-4]true, 535#[L691-5]true, 538#[L691-6]true, 541#[L-1-2]true, 544#[L703]true, 547#[L703-1]true, 550#[L703-10](= ULTIMATE.start_main_~i~0 0), 553#[L703-4](= ULTIMATE.start_main_~i~0 0), 565#[L703-5](= ULTIMATE.start_main_~i~0 0), 571#[t_funENTRY, L703-6](= ULTIMATE.start_main_~i~0 0), 582#[L693, L703-6](= ULTIMATE.start_main_~i~0 0), 594#[L703-6, L693-1](= ULTIMATE.start_main_~i~0 0), 604#[L694, L703-6](= ULTIMATE.start_main_~i~0 0), 619#[L695, L703-6](= ULTIMATE.start_main_~i~0 0), 636#[L698-18, L703-6](= ULTIMATE.start_main_~i~0 0), 648#[t_funFINAL, L703-6](= ULTIMATE.start_main_~i~0 0), 660#[L703-6, t_funEXIT](= ULTIMATE.start_main_~i~0 0), 667#[t_funEXIT, L703-7](= ULTIMATE.start_main_~i~0 0), 673#[t_funEXIT, L703-8](= ULTIMATE.start_main_~i~0 0), 679#[L703-9, t_funEXIT]true, 685#[L703-10, t_funEXIT]true, 699#[L704-16, t_funEXIT]true, 711#[L704-6, t_funEXIT]true, 721#[L704, t_funEXIT]true, 730#[L704-1, t_funEXIT]true, 736#[L704-2, t_funEXIT]true, 742#[L704-3, t_funEXIT]true, 748#[L704-4, t_funEXIT]true, 754#[L704-5, t_funEXIT]true, 759#[L704-14, t_funEXIT]true, 771#[L704-8, t_funEXIT]true, 780#[t_funEXIT, L704-9]true, 786#[L704-10, t_funEXIT]true, 792#[L704-11, t_funEXIT]true, 798#[L704-12, t_funEXIT]true, 804#[L704-13, t_funEXIT]true, 808#[L704-15, t_funEXIT]true, 813#[L704-17, t_funEXIT]true, 820#[L705, t_funEXIT]true, 826#[L706-5, t_funEXIT]true, 835#[L706-1, t_funEXIT]true, 844#[L706-2, t_funEXIT]true, 850#[L706-3, t_funEXIT]true, 856#[L684, t_funEXIT]true, 862#[L684-1, t_funEXIT]true, 873#[L684-2, t_funEXIT]true, 880#[L683-5, t_funEXIT]true, 891#[t_funEXIT, L683-7]true, 901#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funEXIT]true] [2021-01-27 03:13:01,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-27 03:13:01,082 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:13:01,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:13:01,083 INFO L82 PathProgramCache]: Analyzing trace with hash 643258469, now seen corresponding path program 1 times [2021-01-27 03:13:01,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:13:01,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595047627] [2021-01-27 03:13:01,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:13:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:13:01,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 03:13:01,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595047627] [2021-01-27 03:13:01,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619046309] [2021-01-27 03:13:01,226 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 [2021-01-27 03:13:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:13:01,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-27 03:13:01,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-27 03:13:01,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 03:13:01,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-27 03:13:01,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-27 03:13:01,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118591961] [2021-01-27 03:13:01,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-27 03:13:01,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 03:13:01,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-27 03:13:01,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-27 03:13:01,429 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 03:13:01,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 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: 41 and size of Sequence is : 42[2021-01-27 03:13:01,497 INFO L164 SleepSetCegar]: Size of mCounterexample is: 42 [2021-01-27 03:13:01,498 INFO L165 SleepSetCegar]: [1108#[ULTIMATE.startENTRY]true, 1111#[L-1]true, 1114#[L-1-1]true, 1117#[L683]true, 1120#[L683-1]true, 1123#[L683-2]true, 1126#[L683-3]true, 1129#[L683-4]true, 1132#[L689]true, 1135#[L689-1]true, 1138#[L689-2]true, 1141#[L689-3]true, 1144#[L689-4]true, 1147#[L689-5]true, 1150#[L691]true, 1153#[L691-1]true, 1156#[L691-2]true, 1159#[L691-3]true, 1162#[L691-4]true, 1165#[L691-5]true, 1168#[L691-6]true, 1171#[L-1-2]true, 1174#[L703]true, 1177#[L703-1]true, 1180#[L703-10](= ULTIMATE.start_main_~i~0 0), 1183#[L703-4](= ULTIMATE.start_main_~i~0 0), 1192#[L703-5](= ULTIMATE.start_main_~i~0 0), 1195#[t_funENTRY, L703-6](= ULTIMATE.start_main_~i~0 0), 1200#[L693, L703-6](= ULTIMATE.start_main_~i~0 0), 1206#[L703-6, L693-1](= ULTIMATE.start_main_~i~0 0), 1210#[L694, L703-6](= ULTIMATE.start_main_~i~0 0), 1216#[L695, L703-6](= ULTIMATE.start_main_~i~0 0), 1227#[L698-18, L703-6](= ULTIMATE.start_main_~i~0 0), 1233#[t_funFINAL, L703-6](= ULTIMATE.start_main_~i~0 0), 1239#[L703-6, t_funEXIT](= ULTIMATE.start_main_~i~0 0), 1243#[t_funEXIT, L703-7](= ULTIMATE.start_main_~i~0 0), 1248#[t_funEXIT, L703-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1253#[L703-9, t_funEXIT](and (<= ULTIMATE.start_main_~i~0 1) (= |ULTIMATE.start_main_#t~post10| 0)), 1256#[L703-10, t_funEXIT](<= ULTIMATE.start_main_~i~0 1), 1259#[L703-4, t_funEXIT](<= ULTIMATE.start_main_~i~0 1), 1271#[L703-5, t_funEXIT](<= ULTIMATE.start_main_~i~0 1), 1279#[ULTIMATE.startErr0INUSE_VIOLATION, t_funEXIT](<= ULTIMATE.start_main_~i~0 1)] [2021-01-27 03:13:01,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-27 03:13:01,700 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:13:01,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:13:01,701 INFO L82 PathProgramCache]: Analyzing trace with hash -381410536, now seen corresponding path program 1 times [2021-01-27 03:13:01,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:13:01,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372586189] [2021-01-27 03:13:01,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:13:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-27 03:13:01,738 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-27 03:13:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-27 03:13:01,763 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-27 03:13:01,794 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-27 03:13:01,794 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-27 03:13:01,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-27 03:13:01,795 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-27 03:13:01,795 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-27 03:13:01,802 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@5d93c644 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) [2021-01-27 03:13:01,806 INFO L168 Benchmark]: Toolchain (without parser) took 3200.78 ms. Allocated memory is still 302.0 MB. Free memory was 276.1 MB in the beginning and 149.5 MB in the end (delta: 126.6 MB). Peak memory consumption was 126.5 MB. Max. memory is 16.0 GB. [2021-01-27 03:13:01,808 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory was 272.9 MB in the beginning and 272.8 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 03:13:01,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.24 ms. Allocated memory is still 302.0 MB. Free memory was 275.0 MB in the beginning and 277.2 MB in the end (delta: -2.2 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.0 GB. [2021-01-27 03:13:01,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.06 ms. Allocated memory is still 302.0 MB. Free memory was 277.2 MB in the beginning and 274.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-27 03:13:01,810 INFO L168 Benchmark]: Boogie Preprocessor took 66.41 ms. Allocated memory is still 302.0 MB. Free memory was 274.3 MB in the beginning and 273.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-27 03:13:01,811 INFO L168 Benchmark]: RCFGBuilder took 814.76 ms. Allocated memory is still 302.0 MB. Free memory was 273.2 MB in the beginning and 244.9 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-01-27 03:13:01,812 INFO L168 Benchmark]: TraceAbstraction took 1473.13 ms. Allocated memory is still 302.0 MB. Free memory was 243.9 MB in the beginning and 149.5 MB in the end (delta: 94.4 MB). Peak memory consumption was 94.4 MB. Max. memory is 16.0 GB. [2021-01-27 03:13:01,817 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory was 272.9 MB in the beginning and 272.8 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 727.24 ms. Allocated memory is still 302.0 MB. Free memory was 275.0 MB in the beginning and 277.2 MB in the end (delta: -2.2 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 97.06 ms. Allocated memory is still 302.0 MB. Free memory was 277.2 MB in the beginning and 274.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 66.41 ms. Allocated memory is still 302.0 MB. Free memory was 274.3 MB in the beginning and 273.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 814.76 ms. Allocated memory is still 302.0 MB. Free memory was 273.2 MB in the beginning and 244.9 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1473.13 ms. Allocated memory is still 302.0 MB. Free memory was 243.9 MB in the beginning and 149.5 MB in the end (delta: 94.4 MB). Peak memory consumption was 94.4 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@5d93c644 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@5d93c644: 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...