/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-lit/fkp2013-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 08:58:15,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 08:58:15,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 08:58:15,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 08:58:15,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 08:58:15,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 08:58:15,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 08:58:15,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 08:58:15,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 08:58:15,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 08:58:15,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 08:58:15,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 08:58:15,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 08:58:15,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 08:58:15,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 08:58:15,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 08:58:15,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 08:58:15,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 08:58:15,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 08:58:15,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 08:58:15,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 08:58:15,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 08:58:15,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 08:58:15,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 08:58:15,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-18 08:58:15,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 08:58:15,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 08:58:15,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 08:58:15,813 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 08:58:15,841 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 08:58:15,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 08:58:15,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 08:58:15,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 08:58:15,844 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 08:58:15,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 08:58:15,844 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 08:58:15,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 08:58:15,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 08:58:15,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 08:58:15,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 08:58:15,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 08:58:15,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 08:58:15,846 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 08:58:15,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 08:58:15,847 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 08:58:15,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 08:58:15,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 08:58:15,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 08:58:15,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 08:58:15,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 08:58:15,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 08:58:15,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 08:58:15,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 08:58:15,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 08:58:15,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 08:58:15,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 08:58:15,850 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 08:58:15,850 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2020-12-18 08:58:15,851 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2020-12-18 08:58:15,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 08:58:15,851 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 08:58:15,851 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-18 08:58:15,852 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 08:58:16,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 08:58:16,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 08:58:16,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 08:58:16,283 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 08:58:16,286 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 08:58:16,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/fkp2013-1.i [2020-12-18 08:58:16,370 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67375a801/4aa4b65b89d643bdb8bf328774a32804/FLAG97627c181 [2020-12-18 08:58:17,197 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 08:58:17,198 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/fkp2013-1.i [2020-12-18 08:58:17,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67375a801/4aa4b65b89d643bdb8bf328774a32804/FLAG97627c181 [2020-12-18 08:58:17,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67375a801/4aa4b65b89d643bdb8bf328774a32804 [2020-12-18 08:58:17,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 08:58:17,414 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 08:58:17,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 08:58:17,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 08:58:17,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 08:58:17,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 08:58:17" (1/1) ... [2020-12-18 08:58:17,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544ee70f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:58:17, skipping insertion in model container [2020-12-18 08:58:17,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 08:58:17" (1/1) ... [2020-12-18 08:58:17,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 08:58:17,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 08:58:17,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 08:58:17,816 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 08:58:17,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 08:58:18,022 INFO L208 MainTranslator]: Completed translation [2020-12-18 08:58:18,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:58:18 WrapperNode [2020-12-18 08:58:18,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 08:58:18,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 08:58:18,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 08:58:18,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 08:58:18,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:58:18" (1/1) ... [2020-12-18 08:58:18,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:58:18" (1/1) ... [2020-12-18 08:58:18,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 08:58:18,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 08:58:18,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 08:58:18,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 08:58:18,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:58:18" (1/1) ... [2020-12-18 08:58:18,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:58:18" (1/1) ... [2020-12-18 08:58:18,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:58:18" (1/1) ... [2020-12-18 08:58:18,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:58:18" (1/1) ... [2020-12-18 08:58:18,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:58:18" (1/1) ... [2020-12-18 08:58:18,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:58:18" (1/1) ... [2020-12-18 08:58:18,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:58:18" (1/1) ... [2020-12-18 08:58:18,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 08:58:18,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 08:58:18,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 08:58:18,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 08:58:18,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:58:18" (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 08:58:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-12-18 08:58:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-12-18 08:58:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-18 08:58:18,185 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-18 08:58:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 08:58:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 08:58:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 08:58:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 08:58:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 08:58:18,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 08:58:18,188 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 08:58:18,706 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 08:58:18,707 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-18 08:58:18,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 08:58:18 BoogieIcfgContainer [2020-12-18 08:58:18,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 08:58:18,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 08:58:18,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 08:58:18,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 08:58:18,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 08:58:17" (1/3) ... [2020-12-18 08:58:18,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f4aedc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 08:58:18, skipping insertion in model container [2020-12-18 08:58:18,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:58:18" (2/3) ... [2020-12-18 08:58:18,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f4aedc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 08:58:18, skipping insertion in model container [2020-12-18 08:58:18,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 08:58:18" (3/3) ... [2020-12-18 08:58:18,725 INFO L111 eAbstractionObserver]: Analyzing ICFG fkp2013-1.i [2020-12-18 08:58:18,743 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 08:58:18,744 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 08:58:18,748 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-18 08:58:18,749 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 08:58:18,793 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,793 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,793 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,794 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,794 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,794 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,795 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,795 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,795 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,795 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,796 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,796 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,796 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,796 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,797 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,797 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,797 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,798 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,802 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,803 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,804 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,804 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,804 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,804 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,805 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,805 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,805 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,806 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,806 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,808 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,809 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,809 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,809 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,810 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,810 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,811 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,811 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,811 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,813 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,813 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,824 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,824 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,825 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,825 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,825 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 08:58:18,829 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-18 08:58:18,844 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-18 08:58:18,886 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 08:58:18,886 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 08:58:18,887 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 08:58:18,887 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 08:58:18,887 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 08:58:18,887 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 08:58:18,887 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 08:58:18,888 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 08:58:19,210 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 292ms [2020-12-18 08:58:19,211 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 1769 states, but on-demand construction may add more states [2020-12-18 08:58:19,219 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 1769 states, 1557 states have (on average 1.1740526653821453) internal successors, (1828), 1768 states have internal predecessors, (1828), 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: 47 and size of Sequence is : 48[2020-12-18 08:58:19,254 INFO L131 SleepSetCegar]: Size of mCounterexample is: 48 [2020-12-18 08:58:19,254 INFO L132 SleepSetCegar]: [68#[ULTIMATE.startENTRY]don't care, 71#[L-1]don't care, 74#[L-1-1]don't care, 77#[L683]don't care, 80#[L683-1]don't care, 83#[L683-2]don't care, 86#[L683-3]don't care, 89#[L683-4]don't care, 92#[L-1-2]don't care, 95#[L-1-3]don't care, 98#[L-1-4]don't care, 101#[L708]don't care, 104#[L708-1]don't care, 107#[L709]don't care, 110#[L709-1]don't care, 113#[L709-2]don't care, 116#[L711]don't care, 119#[L712]don't care, 122#[L712-1]don't care, 125#[thr1ENTRY, L712-2]don't care, 128#[L713, thr1ENTRY]don't care, 134#[L713, L699]don't care, 142#[L713, L699-1]don't care, 146#[L713, L688]don't care, 152#[L689, L713]don't care, 160#[L713, L690]don't care, 167#[L683, L713]don't care, 177#[L713, L683-4]don't care, 158#[L713, L689-2]don't care, 188#[L713, thr1FINAL]don't care, 194#[L713, thr1EXIT]don't care, 198#[thr1EXIT, L713-6]don't care, 203#[L714, thr1EXIT]don't care, 236#[thr1EXIT, L714-1]don't care, 239#[L714-2, thr2ENTRY, thr1EXIT]don't care, 242#[L714-2, thr1EXIT, L703]don't care, 250#[L714-2, L704, thr1EXIT]don't care, 254#[L714-2, thr1EXIT, L705]don't care, 260#[L714-2, L706, thr1EXIT]don't care, 268#[L714-2, thr2FINAL, thr1EXIT]don't care, 272#[L714-2, thr1EXIT, thr2EXIT]don't care, 278#[thr1EXIT, L713-3, thr2EXIT]don't care, 281#[thr1EXIT, L713-4, thr2EXIT]don't care, 284#[L713-5, thr1EXIT, thr2EXIT]don't care, 287#[thr1EXIT, L713-6, thr2EXIT]don't care, 292#[L714, thr1EXIT, thr2EXIT]don't care, 317#[thr1EXIT, thr2EXIT, L714-1]don't care, 320#[thr1EXIT, thr2EXIT, ULTIMATE.startErr1INUSE_VIOLATION]don't care] [2020-12-18 08:58:19,255 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-18 08:58:19,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 08:58:19,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1784774109, now seen corresponding path program 1 times [2020-12-18 08:58:19,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 08:58:19,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556366500] [2020-12-18 08:58:19,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 08:58:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 08:58:19,505 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 08:58:19,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556366500] [2020-12-18 08:58:19,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 08:58:19,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-18 08:58:19,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689482661] [2020-12-18 08:58:19,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-18 08:58:19,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 08:58:19,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-18 08:58:19,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-18 08:58:19,540 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 08:58:19,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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: 28 and size of Sequence is : 29[2020-12-18 08:58:19,870 INFO L131 SleepSetCegar]: Size of mCounterexample is: 29 [2020-12-18 08:58:19,871 INFO L132 SleepSetCegar]: [6472#[ULTIMATE.startENTRY]true, 6474#[L-1]true, 6476#[L-1-1]true, 6478#[L683]true, 6480#[L683-1]true, 6482#[L683-2]true, 6484#[L683-3]true, 6486#[L683-4]true, 6488#[L-1-2]true, 6490#[L-1-3]true, 6492#[L-1-4]true, 6494#[L708]true, 6496#[L708-1]true, 6498#[L709]true, 6500#[L709-1]true, 6502#[L709-2]true, 6504#[L711]true, 6506#[L712]true, 6508#[L712-1]true, 6510#[thr1ENTRY, L712-2]true, 6512#[L713, thr1ENTRY]true, 6517#[L713, L699]true, 6520#[L713, L699-1]true, 6525#[L713, L688]true, 6529#[L689, L713]true, 6533#[L713, L690]true, 6539#[L683, L713]true, 6544#[L713, L683-2]true, 7151#[L713, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]true] [2020-12-18 08:58:19,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 08:58:19,871 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-18 08:58:19,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 08:58:19,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1172050682, now seen corresponding path program 1 times [2020-12-18 08:58:19,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 08:58:19,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647020139] [2020-12-18 08:58:19,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 08:58:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 08:58:20,062 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 08:58:20,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647020139] [2020-12-18 08:58:20,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 08:58:20,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-18 08:58:20,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381118256] [2020-12-18 08:58:20,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-18 08:58:20,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 08:58:20,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-18 08:58:20,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-18 08:58:20,069 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 08:58:20,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 08:58:20,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-18 08:58:20,139 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@2db61662 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 08:58:20,148 INFO L168 Benchmark]: Toolchain (without parser) took 2732.21 ms. Allocated memory is still 302.0 MB. Free memory was 276.3 MB in the beginning and 159.1 MB in the end (delta: 117.2 MB). Peak memory consumption was 118.2 MB. Max. memory is 16.0 GB. [2020-12-18 08:58:20,149 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 302.0 MB. Free memory was 272.8 MB in the beginning and 272.7 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 08:58:20,153 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.04 ms. Allocated memory is still 302.0 MB. Free memory was 276.1 MB in the beginning and 278.2 MB in the end (delta: -2.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.0 GB. [2020-12-18 08:58:20,154 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.65 ms. Allocated memory is still 302.0 MB. Free memory was 278.2 MB in the beginning and 276.5 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 08:58:20,154 INFO L168 Benchmark]: Boogie Preprocessor took 28.65 ms. Allocated memory is still 302.0 MB. Free memory was 276.5 MB in the beginning and 275.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 08:58:20,157 INFO L168 Benchmark]: RCFGBuilder took 608.31 ms. Allocated memory is still 302.0 MB. Free memory was 274.4 MB in the beginning and 254.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2020-12-18 08:58:20,157 INFO L168 Benchmark]: TraceAbstraction took 1429.49 ms. Allocated memory is still 302.0 MB. Free memory was 253.4 MB in the beginning and 159.1 MB in the end (delta: 94.4 MB). Peak memory consumption was 94.4 MB. Max. memory is 16.0 GB. [2020-12-18 08:58:20,168 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 302.0 MB. Free memory was 272.8 MB in the beginning and 272.7 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 608.04 ms. Allocated memory is still 302.0 MB. Free memory was 276.1 MB in the beginning and 278.2 MB in the end (delta: -2.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 47.65 ms. Allocated memory is still 302.0 MB. Free memory was 278.2 MB in the beginning and 276.5 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.65 ms. Allocated memory is still 302.0 MB. Free memory was 276.5 MB in the beginning and 275.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 608.31 ms. Allocated memory is still 302.0 MB. Free memory was 274.4 MB in the beginning and 254.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1429.49 ms. Allocated memory is still 302.0 MB. Free memory was 253.4 MB in the beginning and 159.1 MB in the end (delta: 94.4 MB). Peak memory consumption was 94.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@2db61662 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@2db61662: 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...