/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/pthread-ext/31_simple_loop5_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 06:11:22,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 06:11:22,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 06:11:22,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 06:11:22,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 06:11:22,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 06:11:22,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 06:11:22,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 06:11:22,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 06:11:22,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 06:11:22,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 06:11:22,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 06:11:22,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 06:11:22,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 06:11:22,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 06:11:22,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 06:11:22,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 06:11:22,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 06:11:22,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 06:11:22,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 06:11:22,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 06:11:22,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 06:11:22,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 06:11:22,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 06:11:22,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-18 06:11:22,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-18 06:11:22,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-18 06:11:22,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-18 06:11:22,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-18 06:11:22,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-18 06:11:22,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 06:11:22,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 06:11:22,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 06:11:22,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 06:11:22,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 06:11:22,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 06:11:22,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 06:11:22,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 06:11:22,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 06:11:22,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 06:11:22,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 06:11:22,797 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 [2020-12-18 06:11:22,855 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 06:11:22,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 06:11:22,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 06:11:22,859 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 06:11:22,860 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 06:11:22,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 06:11:22,860 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 06:11:22,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 06:11:22,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 06:11:22,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 06:11:22,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 06:11:22,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 06:11:22,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 06:11:22,863 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 06:11:22,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 06:11:22,863 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 06:11:22,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 06:11:22,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 06:11:22,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 06:11:22,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 06:11:22,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 06:11:22,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 06:11:22,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 06:11:22,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 06:11:22,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 06:11:22,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 06:11:22,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 06:11:22,866 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 06:11:22,866 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2020-12-18 06:11:22,866 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2020-12-18 06:11:22,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 06:11:22,866 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 06:11:22,867 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-18 06:11:22,867 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 06:11:23,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 06:11:23,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 06:11:23,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 06:11:23,350 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 06:11:23,351 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 06:11:23,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i [2020-12-18 06:11:23,434 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4047cd809/49606e3e10114f37ad3bac7edb2444cc/FLAGbbce326e8 [2020-12-18 06:11:24,108 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 06:11:24,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i [2020-12-18 06:11:24,133 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4047cd809/49606e3e10114f37ad3bac7edb2444cc/FLAGbbce326e8 [2020-12-18 06:11:24,398 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4047cd809/49606e3e10114f37ad3bac7edb2444cc [2020-12-18 06:11:24,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 06:11:24,407 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 06:11:24,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 06:11:24,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 06:11:24,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 06:11:24,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:11:24" (1/1) ... [2020-12-18 06:11:24,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@138aa68f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:11:24, skipping insertion in model container [2020-12-18 06:11:24,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:11:24" (1/1) ... [2020-12-18 06:11:24,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 06:11:24,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 06:11:24,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 06:11:24,956 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 06:11:25,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 06:11:25,133 INFO L208 MainTranslator]: Completed translation [2020-12-18 06:11:25,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:11:25 WrapperNode [2020-12-18 06:11:25,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 06:11:25,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 06:11:25,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 06:11:25,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 06:11:25,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:11:25" (1/1) ... [2020-12-18 06:11:25,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:11:25" (1/1) ... [2020-12-18 06:11:25,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 06:11:25,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 06:11:25,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 06:11:25,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 06:11:25,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:11:25" (1/1) ... [2020-12-18 06:11:25,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:11:25" (1/1) ... [2020-12-18 06:11:25,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:11:25" (1/1) ... [2020-12-18 06:11:25,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:11:25" (1/1) ... [2020-12-18 06:11:25,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:11:25" (1/1) ... [2020-12-18 06:11:25,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:11:25" (1/1) ... [2020-12-18 06:11:25,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:11:25" (1/1) ... [2020-12-18 06:11:25,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 06:11:25,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 06:11:25,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 06:11:25,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 06:11:25,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:11:25" (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 [2020-12-18 06:11:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-12-18 06:11:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-12-18 06:11:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-18 06:11:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-18 06:11:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 06:11:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 06:11:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 06:11:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 06:11:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 06:11:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 06:11:25,349 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-18 06:11:26,082 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 06:11:26,082 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-18 06:11:26,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:11:26 BoogieIcfgContainer [2020-12-18 06:11:26,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 06:11:26,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 06:11:26,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 06:11:26,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 06:11:26,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 06:11:24" (1/3) ... [2020-12-18 06:11:26,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576d8aa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:11:26, skipping insertion in model container [2020-12-18 06:11:26,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:11:25" (2/3) ... [2020-12-18 06:11:26,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576d8aa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:11:26, skipping insertion in model container [2020-12-18 06:11:26,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:11:26" (3/3) ... [2020-12-18 06:11:26,096 INFO L111 eAbstractionObserver]: Analyzing ICFG 31_simple_loop5_vs.i [2020-12-18 06:11:26,118 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 06:11:26,119 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 06:11:26,123 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-18 06:11:26,124 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 06:11:26,164 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,164 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,165 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,165 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,165 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,165 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,165 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,165 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,167 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,167 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,167 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,167 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,168 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,168 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,168 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,168 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,169 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,169 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,170 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,170 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,171 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,171 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,171 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,173 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,173 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,173 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,174 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,174 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,174 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,174 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,174 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,175 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,176 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,176 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,176 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,177 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,178 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,178 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,179 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,179 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,179 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,180 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,180 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,181 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,181 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,184 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,184 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,185 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,185 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,185 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,185 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:11:26,198 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-18 06:11:26,212 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-18 06:11:26,239 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 06:11:26,239 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 06:11:26,239 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 06:11:26,240 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 06:11:26,240 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 06:11:26,240 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 06:11:26,240 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 06:11:26,240 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 06:11:26,581 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 323ms [2020-12-18 06:11:26,582 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 1067 states, but on-demand construction may add more states [2020-12-18 06:11:26,589 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 913 states, 829 states have (on average 1.7249698431845597) internal successors, (1430), 912 states have internal predecessors, (1430), 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: 29 and size of Sequence is : 30[2020-12-18 06:11:26,602 INFO L131 SleepSetCegar]: Size of mCounterexample is: 30 [2020-12-18 06:11:26,602 INFO L132 SleepSetCegar]: [63#[ULTIMATE.startENTRY]don't care, 66#[L-1]don't care, 69#[L-1-1]don't care, 72#[L16]don't care, 75#[L16-1]don't care, 78#[L16-2]don't care, 81#[L16-3]don't care, 84#[L16-4]don't care, 87#[L689]don't care, 90#[L690]don't care, 93#[L691]don't care, 96#[L692]don't care, 99#[L-1-2]don't care, 102#[L-1-3]don't care, 105#[L726]don't care, 108#[L726-1]don't care, 111#[L727]don't care, 114#[L727-1, thr1ENTRY]don't care, 117#[L727-1, L721]don't care, 123#[L717-2, L727-1]don't care, 133#[L727-1, thr1FINAL]don't care, 139#[L727-1, thr1EXIT]don't care, 145#[L728-2, thr1EXIT]don't care, 150#[thr1EXIT, L730]don't care, 171#[thr1EXIT, L730-1]don't care, 174#[thr2ENTRY, thr1EXIT, L730-2]don't care, 179#[L728-2, thr2ENTRY, thr1EXIT]don't care, 187#[thr2ENTRY, thr1EXIT, L730]don't care, 193#[thr2ENTRY, thr1EXIT, L730-1]don't care, 199#[thr2ENTRY, ULTIMATE.startErr1INUSE_VIOLATION, thr1EXIT]don't care] [2020-12-18 06:11:26,603 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-18 06:11:26,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 06:11:26,610 INFO L82 PathProgramCache]: Analyzing trace with hash -598129936, now seen corresponding path program 1 times [2020-12-18 06:11:26,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 06:11:26,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478986674] [2020-12-18 06:11:26,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 06:11:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 06:11:26,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-18 06:11:26,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478986674] [2020-12-18 06:11:26,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 06:11:26,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-18 06:11:26,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95585974] [2020-12-18 06:11:26,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-18 06:11:26,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 06:11:26,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-18 06:11:26,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-18 06:11:26,849 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 06:11:26,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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: 24 and size of Sequence is : 25[2020-12-18 06:11:27,602 INFO L131 SleepSetCegar]: Size of mCounterexample is: 25 [2020-12-18 06:11:27,603 INFO L132 SleepSetCegar]: [5514#[ULTIMATE.startENTRY]true, 5516#[L-1]true, 5518#[L-1-1]true, 5520#[L16]true, 5522#[L16-1]true, 5524#[L16-2]true, 5526#[L16-3]true, 5528#[L16-4]true, 5530#[L689]true, 5532#[L690]true, 5534#[L691]true, 5536#[L692]true, 5538#[L-1-2]true, 5540#[L-1-3]true, 5542#[L726]true, 5544#[L726-1]true, 5546#[L727]true, 5548#[L727-1, thr1ENTRY]true, 5551#[L727-1, L721]true, 5556#[L719, L727-1]true, 6285#[L727-1, L719-1]true, 6290#[L720, L727-1]true, 6294#[L16, L727-1]true, 6299#[L16-2, L727-1]true, 8992#[L727-1, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]true] [2020-12-18 06:11:27,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 06:11:27,604 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-18 06:11:27,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 06:11:27,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1849963992, now seen corresponding path program 1 times [2020-12-18 06:11:27,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 06:11:27,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569467645] [2020-12-18 06:11:27,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 06:11:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 06:11:27,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 06:11:27,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569467645] [2020-12-18 06:11:27,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 06:11:27,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-18 06:11:27,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459534608] [2020-12-18 06:11:27,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-18 06:11:27,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 06:11:27,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-18 06:11:27,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-18 06:11:27,759 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 06:11:27,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2020-12-18 06:11:27,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-18 06:11:27,866 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@7f1d93a1 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1201) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.lambda$2(UnionIndependenceRelation.java:62) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.contains(UnionIndependenceRelation.java:62) at de.uni_freiburg.informatik.ultimate.automata.partialorder.CachedIndependenceRelation.contains(CachedIndependenceRelation.java:96) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.lambda$0(SleepSetNewStateReduction.java:129) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:176) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:130) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.SleepSetCegar.isAbstractionEmpty(SleepSetCegar.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:378) 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) [2020-12-18 06:11:27,876 INFO L168 Benchmark]: Toolchain (without parser) took 3465.78 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 276.4 MB in the beginning and 297.1 MB in the end (delta: -20.8 MB). Peak memory consumption was 41.3 MB. Max. memory is 16.0 GB. [2020-12-18 06:11:27,877 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 06:11:27,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.42 ms. Allocated memory is still 302.0 MB. Free memory was 276.2 MB in the beginning and 247.3 MB in the end (delta: 29.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2020-12-18 06:11:27,879 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.12 ms. Allocated memory is still 302.0 MB. Free memory was 247.3 MB in the beginning and 245.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 06:11:27,881 INFO L168 Benchmark]: Boogie Preprocessor took 32.75 ms. Allocated memory is still 302.0 MB. Free memory was 245.4 MB in the beginning and 244.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 06:11:27,883 INFO L168 Benchmark]: RCFGBuilder took 865.08 ms. Allocated memory is still 302.0 MB. Free memory was 243.8 MB in the beginning and 253.2 MB in the end (delta: -9.3 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.0 GB. [2020-12-18 06:11:27,884 INFO L168 Benchmark]: TraceAbstraction took 1784.59 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 252.1 MB in the beginning and 297.1 MB in the end (delta: -45.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.0 GB. [2020-12-18 06:11:27,895 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 is still 271.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 724.42 ms. Allocated memory is still 302.0 MB. Free memory was 276.2 MB in the beginning and 247.3 MB in the end (delta: 29.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 50.12 ms. Allocated memory is still 302.0 MB. Free memory was 247.3 MB in the beginning and 245.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 32.75 ms. Allocated memory is still 302.0 MB. Free memory was 245.4 MB in the beginning and 244.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 865.08 ms. Allocated memory is still 302.0 MB. Free memory was 243.8 MB in the beginning and 253.2 MB in the end (delta: -9.3 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1784.59 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 252.1 MB in the beginning and 297.1 MB in the end (delta: -45.0 MB). Peak memory consumption was 17.9 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@7f1d93a1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@7f1d93a1: 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...