/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_36-indirect_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 09:37:06,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 09:37:06,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 09:37:06,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 09:37:06,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 09:37:06,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 09:37:06,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 09:37:06,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 09:37:06,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 09:37:06,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 09:37:06,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 09:37:06,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 09:37:06,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 09:37:06,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 09:37:06,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 09:37:06,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 09:37:06,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 09:37:06,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 09:37:06,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 09:37:06,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 09:37:06,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 09:37:06,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 09:37:06,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 09:37:06,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 09:37:06,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-18 09:37:06,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 09:37:06,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 09:37:06,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 09:37:06,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 09:37:06,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 09:37:06,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 09:37:06,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 09:37:06,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 09:37:06,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 09:37:06,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 09:37:06,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 09:37:06,548 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 09:37:06,604 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 09:37:06,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 09:37:06,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 09:37:06,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 09:37:06,610 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 09:37:06,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 09:37:06,611 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 09:37:06,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 09:37:06,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 09:37:06,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 09:37:06,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 09:37:06,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 09:37:06,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 09:37:06,613 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 09:37:06,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 09:37:06,613 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 09:37:06,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 09:37:06,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 09:37:06,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 09:37:06,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 09:37:06,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 09:37:06,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 09:37:06,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 09:37:06,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 09:37:06,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 09:37:06,618 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 09:37:06,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 09:37:06,618 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 09:37:06,618 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2020-12-18 09:37:06,619 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2020-12-18 09:37:06,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 09:37:06,619 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 09:37:06,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-18 09:37:06,620 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 09:37:07,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 09:37:07,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 09:37:07,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 09:37:07,098 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 09:37:07,099 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 09:37:07,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_36-indirect_racefree.i [2020-12-18 09:37:07,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a173f6c5e/3ed171d3673e45888174d2eb79b09e58/FLAG3606aa10a [2020-12-18 09:37:07,980 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 09:37:07,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_36-indirect_racefree.i [2020-12-18 09:37:07,999 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a173f6c5e/3ed171d3673e45888174d2eb79b09e58/FLAG3606aa10a [2020-12-18 09:37:08,278 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a173f6c5e/3ed171d3673e45888174d2eb79b09e58 [2020-12-18 09:37:08,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 09:37:08,284 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 09:37:08,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 09:37:08,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 09:37:08,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 09:37:08,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:37:08" (1/1) ... [2020-12-18 09:37:08,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9feda10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:37:08, skipping insertion in model container [2020-12-18 09:37:08,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:37:08" (1/1) ... [2020-12-18 09:37:08,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 09:37:08,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 09:37:08,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 09:37:08,810 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 09:37:08,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 09:37:08,954 INFO L208 MainTranslator]: Completed translation [2020-12-18 09:37:08,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:37:08 WrapperNode [2020-12-18 09:37:08,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 09:37:08,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 09:37:08,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 09:37:08,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 09:37:08,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:37:08" (1/1) ... [2020-12-18 09:37:08,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:37:08" (1/1) ... [2020-12-18 09:37:09,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 09:37:09,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 09:37:09,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 09:37:09,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 09:37:09,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:37:08" (1/1) ... [2020-12-18 09:37:09,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:37:08" (1/1) ... [2020-12-18 09:37:09,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:37:08" (1/1) ... [2020-12-18 09:37:09,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:37:08" (1/1) ... [2020-12-18 09:37:09,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:37:08" (1/1) ... [2020-12-18 09:37:09,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:37:08" (1/1) ... [2020-12-18 09:37:09,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:37:08" (1/1) ... [2020-12-18 09:37:09,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 09:37:09,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 09:37:09,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 09:37:09,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 09:37:09,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:37:08" (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 09:37:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-18 09:37:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 09:37:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-12-18 09:37:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 09:37:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-12-18 09:37:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-12-18 09:37:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 09:37:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 09:37:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 09:37:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 09:37:09,194 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 09:37:09,782 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 09:37:09,783 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-12-18 09:37:09,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:37:09 BoogieIcfgContainer [2020-12-18 09:37:09,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 09:37:09,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 09:37:09,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 09:37:09,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 09:37:09,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:37:08" (1/3) ... [2020-12-18 09:37:09,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4deb42e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:37:09, skipping insertion in model container [2020-12-18 09:37:09,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:37:08" (2/3) ... [2020-12-18 09:37:09,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4deb42e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:37:09, skipping insertion in model container [2020-12-18 09:37:09,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:37:09" (3/3) ... [2020-12-18 09:37:09,794 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_36-indirect_racefree.i [2020-12-18 09:37:09,811 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 09:37:09,812 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 09:37:09,816 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-18 09:37:09,818 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 09:37:09,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,880 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,880 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,903 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,904 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:37:09,919 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-12-18 09:37:09,935 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-18 09:37:09,976 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 09:37:09,977 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 09:37:09,977 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 09:37:09,977 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 09:37:09,978 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 09:37:09,978 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 09:37:09,978 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 09:37:09,978 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 09:37:14,027 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 4016ms [2020-12-18 09:37:14,027 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 1064 states, but on-demand construction may add more states [2020-12-18 09:37:14,034 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 1064 states, 977 states have (on average 1.451381780962129) internal successors, (1418), 1063 states have internal predecessors, (1418), 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: 55 and size of Sequence is : 56[2020-12-18 09:37:14,047 INFO L131 SleepSetCegar]: Size of mCounterexample is: 56 [2020-12-18 09:37:14,048 INFO L132 SleepSetCegar]: [104#[ULTIMATE.startENTRY]don't care, 107#[L-1]don't care, 110#[L-1-1]don't care, 113#[L683]don't care, 116#[L683-1]don't care, 119#[L683-2]don't care, 122#[L683-3]don't care, 125#[L683-4]don't care, 128#[L689]don't care, 131#[L689-1]don't care, 134#[L689-2]don't care, 137#[L689-3]don't care, 140#[L689-4]don't care, 143#[L689-5]don't care, 146#[L690]don't care, 149#[L690-1]don't care, 152#[L692]don't care, 155#[L693]don't care, 158#[L693-1]don't care, 161#[L693-2]don't care, 164#[L693-3]don't care, 167#[L693-4]don't care, 170#[L693-5]don't care, 173#[L693-6]don't care, 176#[L-1-2]don't care, 179#[L701]don't care, 182#[L701-1]don't care, 185#[L702]don't care, 188#[L702-1]don't care, 191#[L702-10]don't care, 194#[L702-11]don't care, 201#[L703]don't care, 204#[L704-7]don't care, 207#[L704-1]don't care, 213#[L704-2]don't care, 216#[L704-3]don't care, 219#[L704-4]don't care, 222#[L684]don't care, 225#[L684-1]don't care, 230#[L684-2]don't care, 234#[L683-5]don't care, 239#[L683-9]don't care, 228#[L684-4]don't care, 244#[L704-5]don't care, 247#[L704-6]don't care, 204#[L704-7]don't care, 207#[L704-1]don't care, 213#[L704-2]don't care, 216#[L704-3]don't care, 219#[L704-4]don't care, 222#[L684]don't care, 225#[L684-1]don't care, 230#[L684-2]don't care, 234#[L683-5]don't care, 237#[L683-7]don't care, 303#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2020-12-18 09:37:14,048 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 09:37:14,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 09:37:14,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1752442283, now seen corresponding path program 1 times [2020-12-18 09:37:14,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 09:37:14,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018727109] [2020-12-18 09:37:14,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 09:37:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 09:37:14,362 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-18 09:37:14,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018727109] [2020-12-18 09:37:14,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 09:37:14,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-18 09:37:14,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262802418] [2020-12-18 09:37:14,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-18 09:37:14,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 09:37:14,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-18 09:37:14,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-18 09:37:14,394 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 09:37:14,394 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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: 42 and size of Sequence is : 43[2020-12-18 09:37:14,476 INFO L131 SleepSetCegar]: Size of mCounterexample is: 43 [2020-12-18 09:37:14,477 INFO L132 SleepSetCegar]: [115143#[ULTIMATE.startENTRY]true, 115145#[L-1]true, 115147#[L-1-1]true, 115149#[L683]true, 115151#[L683-1]true, 115153#[L683-2]true, 115155#[L683-3]true, 115157#[L683-4]true, 115159#[L689]true, 115161#[L689-1]true, 115163#[L689-2]true, 115165#[L689-3]true, 115167#[L689-4]true, 115169#[L689-5]true, 115171#[L690]true, 115173#[L690-1]true, 115175#[L692]true, 115177#[L693]true, 115179#[L693-1]true, 115181#[L693-2]true, 115183#[L693-3]true, 115185#[L693-4]true, 115187#[L693-5]true, 115189#[L693-6]true, 115191#[L-1-2]true, 115193#[L701]true, 115195#[L701-1]true, 115197#[L702]true, 115199#[L702-1]true, 115201#[L702-10]true, 115204#[L702-11]true, 115447#[L703]true, 115449#[L704-7]true, 115451#[L704-1]true, 115454#[L704-2]true, 115456#[L704-3]true, 115458#[L704-4]true, 115460#[L684]true, 115462#[L684-1]true, 115464#[L684-2]true, 115468#[L683-5]true, 115470#[L683-7]true, 115611#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2020-12-18 09:37:14,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 09:37:14,477 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 09:37:14,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 09:37:14,478 INFO L82 PathProgramCache]: Analyzing trace with hash 411086746, now seen corresponding path program 1 times [2020-12-18 09:37:14,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 09:37:14,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583815284] [2020-12-18 09:37:14,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 09:37:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 09:37:14,604 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 09:37:14,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583815284] [2020-12-18 09:37:14,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 09:37:14,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-18 09:37:14,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898790638] [2020-12-18 09:37:14,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-18 09:37:14,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 09:37:14,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-18 09:37:14,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-18 09:37:14,610 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 09:37:14,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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 09:37:14,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-18 09:37:14,648 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@7cdd6342 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 09:37:14,657 INFO L168 Benchmark]: Toolchain (without parser) took 6371.44 ms. Allocated memory was 302.0 MB in the beginning and 696.3 MB in the end (delta: 394.3 MB). Free memory was 277.1 MB in the beginning and 496.0 MB in the end (delta: -218.9 MB). Peak memory consumption was 177.1 MB. Max. memory is 16.0 GB. [2020-12-18 09:37:14,660 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 09:37:14,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.21 ms. Allocated memory is still 302.0 MB. Free memory was 276.9 MB in the beginning and 246.4 MB in the end (delta: 30.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2020-12-18 09:37:14,663 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.77 ms. Allocated memory is still 302.0 MB. Free memory was 246.4 MB in the beginning and 244.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 09:37:14,665 INFO L168 Benchmark]: Boogie Preprocessor took 59.86 ms. Allocated memory is still 302.0 MB. Free memory was 244.5 MB in the beginning and 284.9 MB in the end (delta: -40.4 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. [2020-12-18 09:37:14,667 INFO L168 Benchmark]: RCFGBuilder took 709.38 ms. Allocated memory is still 302.0 MB. Free memory was 284.9 MB in the beginning and 258.6 MB in the end (delta: 26.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2020-12-18 09:37:14,669 INFO L168 Benchmark]: TraceAbstraction took 4866.68 ms. Allocated memory was 302.0 MB in the beginning and 696.3 MB in the end (delta: 394.3 MB). Free memory was 257.5 MB in the beginning and 496.0 MB in the end (delta: -238.5 MB). Peak memory consumption was 157.9 MB. Max. memory is 16.0 GB. [2020-12-18 09:37:14,680 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 is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 669.21 ms. Allocated memory is still 302.0 MB. Free memory was 276.9 MB in the beginning and 246.4 MB in the end (delta: 30.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 54.77 ms. Allocated memory is still 302.0 MB. Free memory was 246.4 MB in the beginning and 244.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 59.86 ms. Allocated memory is still 302.0 MB. Free memory was 244.5 MB in the beginning and 284.9 MB in the end (delta: -40.4 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. * RCFGBuilder took 709.38 ms. Allocated memory is still 302.0 MB. Free memory was 284.9 MB in the beginning and 258.6 MB in the end (delta: 26.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4866.68 ms. Allocated memory was 302.0 MB in the beginning and 696.3 MB in the end (delta: 394.3 MB). Free memory was 257.5 MB in the beginning and 496.0 MB in the end (delta: -238.5 MB). Peak memory consumption was 157.9 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@7cdd6342 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@7cdd6342: 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...