/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_20-callback_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-e5469eb [2021-01-21 16:55:53,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-21 16:55:53,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-21 16:55:53,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-21 16:55:53,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-21 16:55:53,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-21 16:55:53,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-21 16:55:53,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-21 16:55:53,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-21 16:55:53,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-21 16:55:53,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-21 16:55:53,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-21 16:55:53,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-21 16:55:53,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-21 16:55:53,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-21 16:55:53,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-21 16:55:53,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-21 16:55:53,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-21 16:55:53,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-21 16:55:53,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-21 16:55:53,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-21 16:55:53,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-21 16:55:53,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-21 16:55:53,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-21 16:55:53,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-21 16:55:53,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-21 16:55:53,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-21 16:55:53,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-21 16:55:53,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-21 16:55:53,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-21 16:55:53,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-21 16:55:53,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-21 16:55:53,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-21 16:55:53,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-21 16:55:53,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-21 16:55:53,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-21 16:55:53,597 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 [2021-01-21 16:55:53,662 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-21 16:55:53,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-21 16:55:53,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-21 16:55:53,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-21 16:55:53,672 INFO L138 SettingsManager]: * Use SBE=true [2021-01-21 16:55:53,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-21 16:55:53,673 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-21 16:55:53,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-21 16:55:53,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-21 16:55:53,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-21 16:55:53,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-21 16:55:53,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-21 16:55:53,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-21 16:55:53,676 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-21 16:55:53,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-21 16:55:53,677 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-21 16:55:53,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-21 16:55:53,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-21 16:55:53,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-21 16:55:53,678 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-21 16:55:53,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-21 16:55:53,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-21 16:55:53,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-21 16:55:53,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-21 16:55:53,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-21 16:55:53,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-21 16:55:53,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-21 16:55:53,680 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-21 16:55:53,680 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-21 16:55:53,680 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-21 16:55:53,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-21 16:55:53,681 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-21 16:55:53,681 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-21 16:55:53,681 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-21 16:55:54,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-21 16:55:54,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-21 16:55:54,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-21 16:55:54,252 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-21 16:55:54,256 INFO L275 PluginConnector]: CDTParser initialized [2021-01-21 16:55:54,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i [2021-01-21 16:55:54,354 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35bc372f6/4c842a28cf34409890885ac533fb3fcb/FLAG8140c61e1 [2021-01-21 16:55:55,264 INFO L306 CDTParser]: Found 1 translation units. [2021-01-21 16:55:55,266 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i [2021-01-21 16:55:55,297 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35bc372f6/4c842a28cf34409890885ac533fb3fcb/FLAG8140c61e1 [2021-01-21 16:55:55,500 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35bc372f6/4c842a28cf34409890885ac533fb3fcb [2021-01-21 16:55:55,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-21 16:55:55,513 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-21 16:55:55,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-21 16:55:55,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-21 16:55:55,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-21 16:55:55,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 04:55:55" (1/1) ... [2021-01-21 16:55:55,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a954ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:55, skipping insertion in model container [2021-01-21 16:55:55,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 04:55:55" (1/1) ... [2021-01-21 16:55:55,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-21 16:55:55,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-21 16:55:56,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-21 16:55:56,113 INFO L203 MainTranslator]: Completed pre-run [2021-01-21 16:55:56,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-21 16:55:56,356 INFO L208 MainTranslator]: Completed translation [2021-01-21 16:55:56,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:56 WrapperNode [2021-01-21 16:55:56,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-21 16:55:56,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-21 16:55:56,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-21 16:55:56,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-21 16:55:56,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:56" (1/1) ... [2021-01-21 16:55:56,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:56" (1/1) ... [2021-01-21 16:55:56,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-21 16:55:56,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-21 16:55:56,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-21 16:55:56,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-21 16:55:56,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:56" (1/1) ... [2021-01-21 16:55:56,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:56" (1/1) ... [2021-01-21 16:55:56,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:56" (1/1) ... [2021-01-21 16:55:56,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:56" (1/1) ... [2021-01-21 16:55:56,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:56" (1/1) ... [2021-01-21 16:55:56,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:56" (1/1) ... [2021-01-21 16:55:56,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:56" (1/1) ... [2021-01-21 16:55:56,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-21 16:55:56,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-21 16:55:56,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-21 16:55:56,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-21 16:55:56,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:56" (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 [2021-01-21 16:55:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-21 16:55:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-21 16:55:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-21 16:55:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-21 16:55:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-01-21 16:55:56,626 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-01-21 16:55:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-21 16:55:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-21 16:55:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-21 16:55:56,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-21 16:55:56,631 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-21 16:55:57,591 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-21 16:55:57,592 INFO L298 CfgBuilder]: Removed 25 assume(true) statements. [2021-01-21 16:55:57,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 04:55:57 BoogieIcfgContainer [2021-01-21 16:55:57,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-21 16:55:57,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-21 16:55:57,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-21 16:55:57,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-21 16:55:57,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 04:55:55" (1/3) ... [2021-01-21 16:55:57,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73124852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 04:55:57, skipping insertion in model container [2021-01-21 16:55:57,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:56" (2/3) ... [2021-01-21 16:55:57,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73124852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 04:55:57, skipping insertion in model container [2021-01-21 16:55:57,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 04:55:57" (3/3) ... [2021-01-21 16:55:57,611 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_20-callback_racefree.i [2021-01-21 16:55:57,635 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-21 16:55:57,636 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-21 16:55:57,643 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-21 16:55:57,645 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-21 16:55:57,728 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,729 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,729 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,729 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,730 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,730 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,730 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,730 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,733 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,733 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,733 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,733 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,734 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,734 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,734 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,734 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,735 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,735 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,735 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,736 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,738 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,738 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,739 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,739 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,739 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,740 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,740 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,740 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,741 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,748 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,749 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,749 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,750 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,750 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,750 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,750 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,750 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,751 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,751 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:57,773 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-01-21 16:55:57,792 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-21 16:55:57,842 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-21 16:55:57,842 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-21 16:55:57,842 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-21 16:55:57,843 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-21 16:55:57,843 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-21 16:55:57,843 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-21 16:55:57,843 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-21 16:55:57,844 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-21 16:55:57,948 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 19ms [2021-01-21 16:55:57,955 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:57,980 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 17ms [2021-01-21 16:55:57,996 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 12ms [2021-01-21 16:55:58,016 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 12ms [2021-01-21 16:55:58,031 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 8ms [2021-01-21 16:55:58,039 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:58,048 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:58,064 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 13ms [2021-01-21 16:55:58,069 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:55:58,130 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 8ms [2021-01-21 16:55:58,140 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:58,152 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:55:58,158 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:55:58,182 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 9ms [2021-01-21 16:55:58,192 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:58,203 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:58,212 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:58,225 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 8ms [2021-01-21 16:55:58,236 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:58,245 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:58,252 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:58,260 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:58,268 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:55:58,287 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 11ms [2021-01-21 16:55:58,304 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 14ms [2021-01-21 16:55:58,315 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:58,320 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:55:58,348 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:55:58,356 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:58,366 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:58,374 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:58,383 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:58,389 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:58,401 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 8ms [2021-01-21 16:55:58,409 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:58,416 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:58,421 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:55:58,429 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:58,434 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:55:58,443 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:55:58,448 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:55:58,455 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:58,462 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:55:58,475 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:55:58,479 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:55:58,489 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:58,498 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:58,513 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 8ms [2021-01-21 16:55:58,525 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 9ms [2021-01-21 16:55:58,539 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:58,546 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:55:58,554 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:58,562 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:58,577 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 9ms [2021-01-21 16:55:58,588 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:58,604 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:58,608 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:55:58,618 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:58,628 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:58,641 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 8ms [2021-01-21 16:55:58,652 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:58,663 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:58,674 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:58,685 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:58,695 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:58,704 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:58,711 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:58,731 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 847ms [2021-01-21 16:55:58,732 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 1396 states, but on-demand construction may add more states [2021-01-21 16:55:58,744 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 1396 states, 1320 states have (on average 1.6037878787878788) internal successors, (2117), 1395 states have internal predecessors, (2117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-21 16:55:58,763 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:55:58,767 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:55:58,774 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:55:58,783 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:58,790 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:55:58,795 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:55:58,800 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:55:58,804 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:55:58,810 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:55:58,815 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms Size of Word is: 53 and size of Sequence is : 54[2021-01-21 16:55:58,823 INFO L131 SleepSetCegar]: Size of mCounterexample is: 54 [2021-01-21 16:55:58,824 INFO L132 SleepSetCegar]: [127#[ULTIMATE.startENTRY]don't care, 129#[L-1]don't care, 131#[L-1-1]don't care, 133#[L-1-2]don't care, 135#[L684]don't care, 137#[L684-1]don't care, 139#[L684-2]don't care, 141#[L684-3]don't care, 143#[L684-4]don't care, 145#[L690]don't care, 147#[L690-1]don't care, 149#[L690-2]don't care, 151#[L690-3]don't care, 153#[L690-4]don't care, 155#[L690-5]don't care, 157#[L698]don't care, 159#[L698-1]don't care, 161#[L698-2]don't care, 163#[L698-3]don't care, 165#[L698-4]don't care, 167#[L698-5]don't care, 169#[L698-6]don't care, 171#[L699]don't care, 173#[L699-1]don't care, 175#[L699-2]don't care, 177#[L699-3]don't care, 179#[L699-4]don't care, 181#[L699-5]don't care, 183#[L699-6]don't care, 185#[L-1-3]don't care, 187#[L-1-4]don't care, 189#[L713]don't care, 191#[L713-1]don't care, 193#[L713-10]don't care, 197#[L713-4]don't care, 305#[L713-5]don't care, 307#[t_funENTRY, L713-6]don't care, 311#[t_funENTRY, L713-7]don't care, 315#[t_funENTRY, L713-8]don't care, 319#[t_funENTRY, L713-9]don't care, 323#[t_funENTRY, L713-10]don't care, 325#[t_funENTRY, L713-11]don't care, 333#[L713-11, L707]don't care, 337#[L713-11, L707-1]don't care, 341#[L713-11, L708-5]don't care, 345#[L708-1, L713-11]don't care, 351#[L708-2, L713-11]don't care, 355#[L713-11, L708-3]don't care, 359#[L713-11, L685]don't care, 363#[L713-11, L685-1]don't care, 367#[L713-11, L685-2]don't care, 373#[L684, L713-11]don't care, 379#[L684-2, L713-11]don't care, 595#[t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, L713-11]don't care] [2021-01-21 16:55:58,825 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-21 16:55:58,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-21 16:55:58,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1539648581, now seen corresponding path program 1 times [2021-01-21 16:55:58,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-21 16:55:58,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287097542] [2021-01-21 16:55:58,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-21 16:55:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-21 16:55:59,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-21 16:55:59,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287097542] [2021-01-21 16:55:59,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42879461] [2021-01-21 16:55:59,334 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 [2021-01-21 16:55:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-21 16:55:59,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-21 16:55:59,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-21 16:55:59,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-21 16:55:59,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-21 16:55:59,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-21 16:55:59,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964693291] [2021-01-21 16:55:59,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-21 16:55:59,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-21 16:55:59,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-21 16:55:59,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-21 16:55:59,573 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-21 16:55:59,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-21 16:55:59,606 WARN L141 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-21 16:55:59,607 WARN L144 IndependenceRelation]: Script Release Time: 1ms [2021-01-21 16:55:59,611 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:55:59,614 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:55:59,620 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:55:59,625 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:55:59,631 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:55:59,635 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:55:59,639 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:55:59,641 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:55:59,675 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:55:59,680 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms Size of Word is: 43 and size of Sequence is : 44[2021-01-21 16:55:59,690 INFO L131 SleepSetCegar]: Size of mCounterexample is: 44 [2021-01-21 16:55:59,691 INFO L132 SleepSetCegar]: [3081#[ULTIMATE.startENTRY]true, 3082#[L-1]true, 3083#[L-1-1]true, 3084#[L-1-2]true, 3085#[L684]true, 3086#[L684-1]true, 3087#[L684-2]true, 3088#[L684-3]true, 3089#[L684-4]true, 3090#[L690]true, 3091#[L690-1]true, 3092#[L690-2]true, 3093#[L690-3]true, 3094#[L690-4]true, 3095#[L690-5]true, 3096#[L698]true, 3097#[L698-1]true, 3098#[L698-2]true, 3099#[L698-3]true, 3100#[L698-4]true, 3101#[L698-5]true, 3102#[L698-6]true, 3103#[L699]true, 3104#[L699-1]true, 3105#[L699-2]true, 3106#[L699-3]true, 3107#[L699-4]true, 3108#[L699-5]true, 3109#[L699-6]true, 3110#[L-1-3]true, 3111#[L-1-4]true, 3112#[L713]true, 3113#[L713-1]true, 3114#[L713-10](= ULTIMATE.start_main_~i~1 0), 3116#[L713-4](= ULTIMATE.start_main_~i~1 0), 3170#[L713-5](= ULTIMATE.start_main_~i~1 0), 3171#[t_funENTRY, L713-6](= ULTIMATE.start_main_~i~1 0), 3172#[t_funENTRY, L713-7](= ULTIMATE.start_main_~i~1 0), 3177#[t_funENTRY, L713-8](and (= |ULTIMATE.start_main_#t~post15| 0) (= ULTIMATE.start_main_~i~1 0)), 3181#[t_funENTRY, L713-9](and (= |ULTIMATE.start_main_#t~post15| 0) (<= ULTIMATE.start_main_~i~1 1)), 3183#[t_funENTRY, L713-10](<= ULTIMATE.start_main_~i~1 1), 3185#[t_funENTRY, L713-4](<= ULTIMATE.start_main_~i~1 1), 3188#[t_funENTRY, L713-5](<= ULTIMATE.start_main_~i~1 1), 3190#[t_funENTRY, ULTIMATE.startErr0INUSE_VIOLATION](<= ULTIMATE.start_main_~i~1 1)] [2021-01-21 16:55:59,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-01-21 16:55:59,893 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-21 16:55:59,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-21 16:55:59,895 INFO L82 PathProgramCache]: Analyzing trace with hash 769717920, now seen corresponding path program 1 times [2021-01-21 16:55:59,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-21 16:55:59,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804932385] [2021-01-21 16:55:59,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-21 16:55:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-21 16:55:59,938 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-21 16:56:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-21 16:56:00,001 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-21 16:56:00,043 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-21 16:56:00,044 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-21 16:56:00,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-21 16:56:00,048 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-21 16:56:00,048 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-21 16:56:00,062 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@3865ae44 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) [2021-01-21 16:56:00,072 INFO L168 Benchmark]: Toolchain (without parser) took 4554.13 ms. Allocated memory is still 302.0 MB. Free memory was 276.3 MB in the beginning and 277.1 MB in the end (delta: -764.0 kB). Peak memory consumption was 173.4 MB. Max. memory is 16.0 GB. [2021-01-21 16:56:00,073 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 302.0 MB. Free memory is still 273.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-21 16:56:00,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 842.25 ms. Allocated memory is still 302.0 MB. Free memory was 276.1 MB in the beginning and 277.3 MB in the end (delta: -1.2 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.0 GB. [2021-01-21 16:56:00,078 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.15 ms. Allocated memory is still 302.0 MB. Free memory was 277.3 MB in the beginning and 274.4 MB in the end (delta: 2.9 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-21 16:56:00,079 INFO L168 Benchmark]: Boogie Preprocessor took 77.18 ms. Allocated memory is still 302.0 MB. Free memory was 274.4 MB in the beginning and 273.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-21 16:56:00,081 INFO L168 Benchmark]: RCFGBuilder took 1084.05 ms. Allocated memory is still 302.0 MB. Free memory was 273.3 MB in the beginning and 241.9 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-01-21 16:56:00,083 INFO L168 Benchmark]: TraceAbstraction took 2464.79 ms. Allocated memory is still 302.0 MB. Free memory was 240.8 MB in the beginning and 277.1 MB in the end (delta: -36.3 MB). Peak memory consumption was 138.8 MB. Max. memory is 16.0 GB. [2021-01-21 16:56:00,095 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 302.0 MB. Free memory is still 273.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 842.25 ms. Allocated memory is still 302.0 MB. Free memory was 276.1 MB in the beginning and 277.3 MB in the end (delta: -1.2 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 75.15 ms. Allocated memory is still 302.0 MB. Free memory was 277.3 MB in the beginning and 274.4 MB in the end (delta: 2.9 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 77.18 ms. Allocated memory is still 302.0 MB. Free memory was 274.4 MB in the beginning and 273.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1084.05 ms. Allocated memory is still 302.0 MB. Free memory was 273.3 MB in the beginning and 241.9 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2464.79 ms. Allocated memory is still 302.0 MB. Free memory was 240.8 MB in the beginning and 277.1 MB in the end (delta: -36.3 MB). Peak memory consumption was 138.8 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@3865ae44 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@3865ae44: 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...