/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-NewStatesSleepUncond-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_61-invariant_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 12:24:37,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 12:24:37,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 12:24:37,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-07 12:24:37,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-07 12:24:37,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-07 12:24:37,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-07 12:24:37,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-07 12:24:37,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-07 12:24:37,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-07 12:24:37,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-07 12:24:37,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-07 12:24:37,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-07 12:24:37,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-07 12:24:37,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-07 12:24:37,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-07 12:24:37,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-07 12:24:37,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-07 12:24:37,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-07 12:24:37,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-07 12:24:37,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-07 12:24:37,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-07 12:24:37,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-07 12:24:37,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-07 12:24:37,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-07 12:24:37,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-07 12:24:37,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-07 12:24:37,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-07 12:24:37,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-07 12:24:37,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-07 12:24:37,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-07 12:24:37,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-07 12:24:37,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-07 12:24:37,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-07 12:24:37,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-07 12:24:37,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-07 12:24:37,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-07 12:24:37,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-07 12:24:37,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-07 12:24:37,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-07 12:24:37,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-07 12:24:37,672 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-NewStatesSleepUncond-NoLbe.epf [2021-08-07 12:24:37,686 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 12:24:37,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 12:24:37,686 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 12:24:37,686 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 12:24:37,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 12:24:37,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 12:24:37,687 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 12:24:37,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 12:24:37,688 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 12:24:37,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 12:24:37,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 12:24:37,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 12:24:37,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 12:24:37,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 12:24:37,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 12:24:37,689 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 12:24:37,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 12:24:37,689 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 12:24:37,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 12:24:37,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 12:24:37,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 12:24:37,689 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 12:24:37,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 12:24:37,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 12:24:37,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 12:24:37,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 12:24:37,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 12:24:37,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 12:24:37,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 12:24:37,690 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 12:24:37,690 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 12:24:37,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 12:24:37,691 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-07 12:24:37,691 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-07 12:24:37,691 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 12:24:37,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 12:24:37,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 12:24:37,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 12:24:37,993 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 12:24:37,993 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 12:24:37,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_61-invariant_racing.i [2021-08-07 12:24:38,038 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3794e8ab8/47a4f512810e4d7491772040ccb701ed/FLAG9b0b3f695 [2021-08-07 12:24:38,464 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 12:24:38,464 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_61-invariant_racing.i [2021-08-07 12:24:38,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3794e8ab8/47a4f512810e4d7491772040ccb701ed/FLAG9b0b3f695 [2021-08-07 12:24:38,480 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3794e8ab8/47a4f512810e4d7491772040ccb701ed [2021-08-07 12:24:38,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 12:24:38,483 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 12:24:38,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 12:24:38,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 12:24:38,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 12:24:38,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 12:24:38" (1/1) ... [2021-08-07 12:24:38,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a53f194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:24:38, skipping insertion in model container [2021-08-07 12:24:38,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 12:24:38" (1/1) ... [2021-08-07 12:24:38,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 12:24:38,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 12:24:38,719 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_61-invariant_racing.i[29913,29926] [2021-08-07 12:24:38,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 12:24:38,737 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 12:24:38,774 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_61-invariant_racing.i[29913,29926] [2021-08-07 12:24:38,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 12:24:38,827 INFO L208 MainTranslator]: Completed translation [2021-08-07 12:24:38,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:24:38 WrapperNode [2021-08-07 12:24:38,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 12:24:38,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 12:24:38,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 12:24:38,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 12:24:38,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:24:38" (1/1) ... [2021-08-07 12:24:38,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:24:38" (1/1) ... [2021-08-07 12:24:38,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 12:24:38,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 12:24:38,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 12:24:38,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 12:24:38,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:24:38" (1/1) ... [2021-08-07 12:24:38,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:24:38" (1/1) ... [2021-08-07 12:24:38,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:24:38" (1/1) ... [2021-08-07 12:24:38,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:24:38" (1/1) ... [2021-08-07 12:24:38,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:24:38" (1/1) ... [2021-08-07 12:24:38,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:24:38" (1/1) ... [2021-08-07 12:24:38,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:24:38" (1/1) ... [2021-08-07 12:24:38,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 12:24:38,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 12:24:38,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 12:24:38,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 12:24:38,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:24:38" (1/1) ... [2021-08-07 12:24:38,900 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 12:24:38,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 12:24:38,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 12:24:38,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 12:24:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-07 12:24:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 12:24:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-07 12:24:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 12:24:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-08-07 12:24:38,971 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-08-07 12:24:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 12:24:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 12:24:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 12:24:38,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 12:24:38,974 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 12:24:39,326 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 12:24:39,326 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-08-07 12:24:39,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 12:24:39 BoogieIcfgContainer [2021-08-07 12:24:39,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 12:24:39,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 12:24:39,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 12:24:39,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 12:24:39,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 12:24:38" (1/3) ... [2021-08-07 12:24:39,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3af479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 12:24:39, skipping insertion in model container [2021-08-07 12:24:39,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:24:38" (2/3) ... [2021-08-07 12:24:39,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3af479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 12:24:39, skipping insertion in model container [2021-08-07 12:24:39,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 12:24:39" (3/3) ... [2021-08-07 12:24:39,333 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_61-invariant_racing.i [2021-08-07 12:24:39,337 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 12:24:39,337 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 12:24:39,337 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 12:24:39,337 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 12:24:39,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,357 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,357 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,358 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,358 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,365 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,368 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,368 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:24:39,377 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-08-07 12:24:39,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 12:24:39,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 12:24:39,417 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 12:24:39,444 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 12:24:39,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 12:24:39,450 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 12:24:39,451 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-07 12:24:39,491 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-08-07 12:24:39,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:24:39,496 INFO L82 PathProgramCache]: Analyzing trace with hash 836696866, now seen corresponding path program 1 times [2021-08-07 12:24:39,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:24:39,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629770017] [2021-08-07 12:24:39,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:24:39,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:24:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:24:39,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:24:39,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:24:39,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629770017] [2021-08-07 12:24:39,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629770017] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:24:39,664 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:24:39,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 12:24:39,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184717882] [2021-08-07 12:24:39,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 12:24:39,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:24:39,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 12:24:39,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 12:24:39,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:24:39,679 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:24:39,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 12:24:39,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:24:39,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:24:39,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 12:24:39,686 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-08-07 12:24:39,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:24:39,686 INFO L82 PathProgramCache]: Analyzing trace with hash 867716673, now seen corresponding path program 1 times [2021-08-07 12:24:39,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:24:39,686 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214870193] [2021-08-07 12:24:39,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:24:39,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:24:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:24:39,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:24:39,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:24:39,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214870193] [2021-08-07 12:24:39,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214870193] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:24:39,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:24:39,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 12:24:39,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135546912] [2021-08-07 12:24:39,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 12:24:39,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:24:39,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 12:24:39,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 12:24:39,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:24:39,742 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:24:39,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 12:24:39,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:24:39,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:24:39,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 12:24:39,752 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.MLPredicateWithConjuncts.getFormula(MLPredicateWithConjuncts.java:117) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.SmtFreePredicateFactory.isDontCare(SmtFreePredicateFactory.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.lambda$6(PartialOrderCegarLoop.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.IndependenceBuilder.lambda$0(IndependenceBuilder.java:255) at de.uni_freiburg.informatik.ultimate.automata.partialorder.ConditionTransformingIndependenceRelation.contains(ConditionTransformingIndependenceRelation.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.ThreadSeparatingIndependenceRelation.contains(ThreadSeparatingIndependenceRelation.java:72) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.ThreadSeparatingIndependenceRelation.contains(ThreadSeparatingIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.lambda$0(SleepSetNewStateReduction.java:167) 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.Streams$ConcatSpliterator.forEachRemaining(Streams.java:735) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ReduceOps$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:168) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:440) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:385) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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) [2021-08-07 12:24:39,754 INFO L168 Benchmark]: Toolchain (without parser) took 1270.65 ms. Allocated memory is still 200.3 MB. Free memory was 163.7 MB in the beginning and 105.5 MB in the end (delta: 58.2 MB). Peak memory consumption was 58.0 MB. Max. memory is 8.0 GB. [2021-08-07 12:24:39,754 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 200.3 MB. Free memory is still 182.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 12:24:39,755 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.77 ms. Allocated memory is still 200.3 MB. Free memory was 163.5 MB in the beginning and 173.3 MB in the end (delta: -9.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 8.0 GB. [2021-08-07 12:24:39,755 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.54 ms. Allocated memory is still 200.3 MB. Free memory was 173.3 MB in the beginning and 171.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 12:24:39,755 INFO L168 Benchmark]: Boogie Preprocessor took 17.45 ms. Allocated memory is still 200.3 MB. Free memory was 171.2 MB in the beginning and 169.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 12:24:39,756 INFO L168 Benchmark]: RCFGBuilder took 438.99 ms. Allocated memory is still 200.3 MB. Free memory was 169.5 MB in the beginning and 140.5 MB in the end (delta: 29.0 MB). Peak memory consumption was 28.3 MB. Max. memory is 8.0 GB. [2021-08-07 12:24:39,756 INFO L168 Benchmark]: TraceAbstraction took 424.13 ms. Allocated memory is still 200.3 MB. Free memory was 139.8 MB in the beginning and 105.5 MB in the end (delta: 34.3 MB). Peak memory consumption was 34.6 MB. Max. memory is 8.0 GB. [2021-08-07 12:24:39,758 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 200.3 MB. Free memory is still 182.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 342.77 ms. Allocated memory is still 200.3 MB. Free memory was 163.5 MB in the beginning and 173.3 MB in the end (delta: -9.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 42.54 ms. Allocated memory is still 200.3 MB. Free memory was 173.3 MB in the beginning and 171.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.45 ms. Allocated memory is still 200.3 MB. Free memory was 171.2 MB in the beginning and 169.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 438.99 ms. Allocated memory is still 200.3 MB. Free memory was 169.5 MB in the beginning and 140.5 MB in the end (delta: 29.0 MB). Peak memory consumption was 28.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 424.13 ms. Allocated memory is still 200.3 MB. Free memory was 139.8 MB in the beginning and 105.5 MB in the end (delta: 34.3 MB). Peak memory consumption was 34.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.MLPredicateWithConjuncts.getFormula(MLPredicateWithConjuncts.java:117) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-07 12:24:39,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-07 12:24:39,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...