/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-lit/qw2004-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 23:11:29,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 23:11:29,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 23:11:29,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 23:11:29,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-14 23:11:29,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-14 23:11:29,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-14 23:11:29,348 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-06-14 23:11:29,372 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 23:11:29,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 23:11:29,372 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 23:11:29,373 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 23:11:29,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 23:11:29,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 23:11:29,375 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 23:11:29,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 23:11:29,375 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 23:11:29,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 23:11:29,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 23:11:29,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 23:11:29,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 23:11:29,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 23:11:29,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 23:11:29,376 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 23:11:29,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 23:11:29,376 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 23:11:29,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 23:11:29,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 23:11:29,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 23:11:29,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 23:11:29,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 23:11:29,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 23:11:29,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 23:11:29,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 23:11:29,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 23:11:29,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 23:11:29,377 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-14 23:11:29,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 23:11:29,378 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 23:11:29,378 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 23:11:29,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 23:11:29,378 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-14 23:11:29,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-14 23:11:29,378 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 23:11:29,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 23:11:29,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 23:11:29,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 23:11:29,638 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-14 23:11:29,639 INFO L275 PluginConnector]: CDTParser initialized [2021-06-14 23:11:29,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/qw2004-2.i [2021-06-14 23:11:29,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/419bcb1f7/49ed42ad3e794b4eb7f8a519edbe0bc3/FLAG8e5a50601 [2021-06-14 23:11:30,040 INFO L306 CDTParser]: Found 1 translation units. [2021-06-14 23:11:30,040 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2.i [2021-06-14 23:11:30,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/419bcb1f7/49ed42ad3e794b4eb7f8a519edbe0bc3/FLAG8e5a50601 [2021-06-14 23:11:30,064 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/419bcb1f7/49ed42ad3e794b4eb7f8a519edbe0bc3 [2021-06-14 23:11:30,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 23:11:30,067 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-14 23:11:30,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-14 23:11:30,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-14 23:11:30,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-14 23:11:30,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 11:11:30" (1/1) ... [2021-06-14 23:11:30,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e2b239e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:11:30, skipping insertion in model container [2021-06-14 23:11:30,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 11:11:30" (1/1) ... [2021-06-14 23:11:30,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-14 23:11:30,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-14 23:11:30,368 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2.i[30003,30016] [2021-06-14 23:11:30,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 23:11:30,388 INFO L203 MainTranslator]: Completed pre-run [2021-06-14 23:11:30,421 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2.i[30003,30016] [2021-06-14 23:11:30,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 23:11:30,475 INFO L208 MainTranslator]: Completed translation [2021-06-14 23:11:30,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:11:30 WrapperNode [2021-06-14 23:11:30,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-14 23:11:30,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 23:11:30,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 23:11:30,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 23:11:30,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:11:30" (1/1) ... [2021-06-14 23:11:30,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:11:30" (1/1) ... [2021-06-14 23:11:30,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 23:11:30,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 23:11:30,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 23:11:30,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 23:11:30,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:11:30" (1/1) ... [2021-06-14 23:11:30,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:11:30" (1/1) ... [2021-06-14 23:11:30,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:11:30" (1/1) ... [2021-06-14 23:11:30,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:11:30" (1/1) ... [2021-06-14 23:11:30,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:11:30" (1/1) ... [2021-06-14 23:11:30,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:11:30" (1/1) ... [2021-06-14 23:11:30,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:11:30" (1/1) ... [2021-06-14 23:11:30,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 23:11:30,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 23:11:30,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 23:11:30,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 23:11:30,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:11:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 23:11:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2021-06-14 23:11:30,595 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2021-06-14 23:11:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-14 23:11:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-14 23:11:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-14 23:11:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-14 23:11:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-14 23:11:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-14 23:11:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 23:11:30,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 23:11:30,597 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 23:11:30,973 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 23:11:30,973 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2021-06-14 23:11:30,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 11:11:30 BoogieIcfgContainer [2021-06-14 23:11:30,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 23:11:30,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 23:11:30,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 23:11:30,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 23:11:30,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 11:11:30" (1/3) ... [2021-06-14 23:11:30,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403569f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 11:11:30, skipping insertion in model container [2021-06-14 23:11:30,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:11:30" (2/3) ... [2021-06-14 23:11:30,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403569f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 11:11:30, skipping insertion in model container [2021-06-14 23:11:30,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 11:11:30" (3/3) ... [2021-06-14 23:11:30,980 INFO L111 eAbstractionObserver]: Analyzing ICFG qw2004-2.i [2021-06-14 23:11:30,984 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 23:11:30,985 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 23:11:30,985 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 23:11:30,986 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 23:11:31,011 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,011 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,011 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,011 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,011 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,011 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,011 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,012 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,012 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,012 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,012 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,012 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,012 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,012 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,012 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,012 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,013 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,013 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,013 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,013 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,013 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,013 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,014 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,014 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,014 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,014 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,014 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,014 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,014 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,015 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,016 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,016 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,016 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,016 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,017 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,017 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,017 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,017 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,017 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,017 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,017 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,017 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,017 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,017 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,017 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~lse~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,018 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~lse~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,018 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~lse~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,018 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,018 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~lse~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,018 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,018 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,018 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,018 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,019 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,019 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,019 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,019 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,019 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,019 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,020 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,020 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,020 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,020 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,020 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,021 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,021 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,022 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,022 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~lse~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,022 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,022 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,022 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,022 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,023 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,023 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,023 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,023 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:11:31,025 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-14 23:11:31,038 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 23:11:31,070 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 23:11:31,070 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 23:11:31,070 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 23:11:31,070 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 23:11:31,070 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 23:11:31,070 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 23:11:31,071 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 23:11:31,071 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 23:11:31,096 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Guarantee of compatibility failed at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction$CompliantDfsOrder.lambda$0(PersistentSetReduction.java:142) at java.base/java.util.TimSort.countRunAndMakeAscending(TimSort.java:355) at java.base/java.util.TimSort.sort(TimSort.java:220) at java.base/java.util.Arrays.sort(Arrays.java:1515) at java.base/java.util.ArrayList.sort(ArrayList.java:1750) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:147) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:422) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:364) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-06-14 23:11:31,100 INFO L168 Benchmark]: Toolchain (without parser) took 1032.44 ms. Allocated memory is still 176.2 MB. Free memory was 138.0 MB in the beginning and 91.2 MB in the end (delta: 46.8 MB). Peak memory consumption was 47.0 MB. Max. memory is 8.0 GB. [2021-06-14 23:11:31,100 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 176.2 MB. Free memory is still 156.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 23:11:31,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.00 ms. Allocated memory is still 176.2 MB. Free memory was 137.8 MB in the beginning and 137.3 MB in the end (delta: 552.8 kB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-14 23:11:31,101 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.36 ms. Allocated memory is still 176.2 MB. Free memory was 137.3 MB in the beginning and 135.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-14 23:11:31,101 INFO L168 Benchmark]: Boogie Preprocessor took 28.31 ms. Allocated memory is still 176.2 MB. Free memory was 135.2 MB in the beginning and 133.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 23:11:31,101 INFO L168 Benchmark]: RCFGBuilder took 433.55 ms. Allocated memory is still 176.2 MB. Free memory was 133.7 MB in the beginning and 106.9 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2021-06-14 23:11:31,102 INFO L168 Benchmark]: TraceAbstraction took 122.57 ms. Allocated memory is still 176.2 MB. Free memory was 106.4 MB in the beginning and 91.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-06-14 23:11:31,104 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 176.2 MB. Free memory is still 156.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 408.00 ms. Allocated memory is still 176.2 MB. Free memory was 137.8 MB in the beginning and 137.3 MB in the end (delta: 552.8 kB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.36 ms. Allocated memory is still 176.2 MB. Free memory was 137.3 MB in the beginning and 135.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 28.31 ms. Allocated memory is still 176.2 MB. Free memory was 135.2 MB in the beginning and 133.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 433.55 ms. Allocated memory is still 176.2 MB. Free memory was 133.7 MB in the beginning and 106.9 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 122.57 ms. Allocated memory is still 176.2 MB. Free memory was 106.4 MB in the beginning and 91.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Guarantee of compatibility failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Guarantee of compatibility failed: de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction$CompliantDfsOrder.lambda$0(PersistentSetReduction.java:142) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...