/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-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 20:45:55,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 20:45:55,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 20:45:55,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 20:45:55,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 20:45:55,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 20:45:55,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 20:45:55,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 20:45:55,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 20:45:55,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 20:45:55,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 20:45:55,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 20:45:55,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 20:45:55,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 20:45:55,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 20:45:55,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 20:45:55,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 20:45:55,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 20:45:55,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 20:45:55,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 20:45:55,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 20:45:55,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 20:45:55,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 20:45:55,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 20:45:55,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 20:45:55,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 20:45:55,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 20:45:55,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 20:45:55,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 20:45:55,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 20:45:55,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 20:45:55,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 20:45:55,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 20:45:55,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 20:45:55,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 20:45:55,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 20:45:55,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 20:45:55,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 20:45:55,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 20:45:55,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 20:45:55,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 20:45:55,621 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-PN-SemanticLbe.epf [2022-12-05 20:45:55,645 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 20:45:55,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 20:45:55,646 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 20:45:55,646 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 20:45:55,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 20:45:55,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 20:45:55,647 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 20:45:55,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 20:45:55,648 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 20:45:55,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 20:45:55,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 20:45:55,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 20:45:55,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 20:45:55,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 20:45:55,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 20:45:55,649 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 20:45:55,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 20:45:55,649 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 20:45:55,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 20:45:55,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 20:45:55,649 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 20:45:55,649 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 20:45:55,649 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 20:45:55,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:45:55,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 20:45:55,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 20:45:55,650 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 20:45:55,650 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 20:45:55,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 20:45:55,650 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 20:45:55,650 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 20:45:55,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 20:45:55,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 20:45:55,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 20:45:55,936 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 20:45:55,937 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 20:45:55,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2022-12-05 20:45:56,864 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 20:45:57,046 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 20:45:57,046 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2022-12-05 20:45:57,055 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3c08db6/a2c72261520f4126986132864acffdca/FLAG23907706f [2022-12-05 20:45:57,064 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3c08db6/a2c72261520f4126986132864acffdca [2022-12-05 20:45:57,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 20:45:57,067 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 20:45:57,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 20:45:57,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 20:45:57,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 20:45:57,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:45:57" (1/1) ... [2022-12-05 20:45:57,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca053ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:57, skipping insertion in model container [2022-12-05 20:45:57,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:45:57" (1/1) ... [2022-12-05 20:45:57,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 20:45:57,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 20:45:57,217 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[1103,1116] [2022-12-05 20:45:57,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:45:57,345 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 20:45:57,354 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[1103,1116] [2022-12-05 20:45:57,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:45:57,408 INFO L208 MainTranslator]: Completed translation [2022-12-05 20:45:57,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:57 WrapperNode [2022-12-05 20:45:57,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 20:45:57,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 20:45:57,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 20:45:57,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 20:45:57,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:57" (1/1) ... [2022-12-05 20:45:57,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:57" (1/1) ... [2022-12-05 20:45:57,444 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-12-05 20:45:57,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 20:45:57,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 20:45:57,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 20:45:57,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 20:45:57,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:57" (1/1) ... [2022-12-05 20:45:57,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:57" (1/1) ... [2022-12-05 20:45:57,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:57" (1/1) ... [2022-12-05 20:45:57,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:57" (1/1) ... [2022-12-05 20:45:57,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:57" (1/1) ... [2022-12-05 20:45:57,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:57" (1/1) ... [2022-12-05 20:45:57,457 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:57" (1/1) ... [2022-12-05 20:45:57,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:57" (1/1) ... [2022-12-05 20:45:57,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 20:45:57,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 20:45:57,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 20:45:57,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 20:45:57,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:57" (1/1) ... [2022-12-05 20:45:57,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:45:57,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:45:57,487 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) [2022-12-05 20:45:57,490 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 [2022-12-05 20:45:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 20:45:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 20:45:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-05 20:45:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 20:45:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 20:45:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-05 20:45:57,510 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-05 20:45:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 20:45:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 20:45:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 20:45:57,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 20:45:57,511 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 20:45:57,593 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 20:45:57,595 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 20:45:57,759 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 20:45:57,764 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 20:45:57,764 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-05 20:45:57,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:45:57 BoogieIcfgContainer [2022-12-05 20:45:57,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 20:45:57,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 20:45:57,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 20:45:57,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 20:45:57,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:45:57" (1/3) ... [2022-12-05 20:45:57,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2777b892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:45:57, skipping insertion in model container [2022-12-05 20:45:57,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:45:57" (2/3) ... [2022-12-05 20:45:57,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2777b892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:45:57, skipping insertion in model container [2022-12-05 20:45:57,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:45:57" (3/3) ... [2022-12-05 20:45:57,771 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_pos.i [2022-12-05 20:45:57,783 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 20:45:57,783 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-05 20:45:57,783 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 20:45:57,829 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-05 20:45:57,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 65 transitions, 138 flow [2022-12-05 20:45:57,881 INFO L130 PetriNetUnfolder]: 1/64 cut-off events. [2022-12-05 20:45:57,881 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 20:45:57,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 64 events. 1/64 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2022-12-05 20:45:57,884 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 65 transitions, 138 flow [2022-12-05 20:45:57,887 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 52 transitions, 107 flow [2022-12-05 20:45:57,888 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 20:45:57,904 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 52 transitions, 107 flow [2022-12-05 20:45:57,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 52 transitions, 107 flow [2022-12-05 20:45:57,917 INFO L130 PetriNetUnfolder]: 0/52 cut-off events. [2022-12-05 20:45:57,918 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:45:57,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 52 events. 0/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 17 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-05 20:45:57,919 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 52 transitions, 107 flow [2022-12-05 20:45:57,919 INFO L188 LiptonReduction]: Number of co-enabled transitions 252 [2022-12-05 20:46:00,281 INFO L203 LiptonReduction]: Total number of compositions: 45 [2022-12-05 20:46:00,291 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 20:46:00,294 INFO L357 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=false, mAutomataTypeConcurrency=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@23b691c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 20:46:00,294 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-05 20:46:00,296 INFO L130 PetriNetUnfolder]: 0/7 cut-off events. [2022-12-05 20:46:00,296 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:46:00,296 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:46:00,297 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-05 20:46:00,297 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-05 20:46:00,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:46:00,300 INFO L85 PathProgramCache]: Analyzing trace with hash 6882470, now seen corresponding path program 1 times [2022-12-05 20:46:00,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:46:00,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258942375] [2022-12-05 20:46:00,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:46:00,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:46:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:46:00,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:46:00,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:46:00,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258942375] [2022-12-05 20:46:00,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258942375] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:46:00,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:46:00,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-05 20:46:00,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95630938] [2022-12-05 20:46:00,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:46:00,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:46:00,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:46:00,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:46:00,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 20:46:00,528 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 10 [2022-12-05 20:46:00,529 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 14 places, 10 transitions, 23 flow. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-12-05 20:46:00,529 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:46:00,529 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 10 [2022-12-05 20:46:00,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:46:00,563 INFO L130 PetriNetUnfolder]: 4/21 cut-off events. [2022-12-05 20:46:00,563 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:46:00,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 21 events. 4/21 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 38 event pairs, 3 based on Foata normal form. 4/23 useless extension candidates. Maximal degree in co-relation 35. Up to 14 conditions per place. [2022-12-05 20:46:00,564 INFO L137 encePairwiseOnDemand]: 6/10 looper letters, 5 selfloop transitions, 3 changer transitions 2/11 dead transitions. [2022-12-05 20:46:00,564 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 16 places, 11 transitions, 43 flow [2022-12-05 20:46:00,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:46:00,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:46:00,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2022-12-05 20:46:00,573 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2022-12-05 20:46:00,574 INFO L175 Difference]: Start difference. First operand has 14 places, 10 transitions, 23 flow. Second operand 3 states and 16 transitions. [2022-12-05 20:46:00,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 16 places, 11 transitions, 43 flow [2022-12-05 20:46:00,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 11 transitions, 42 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 20:46:00,578 INFO L231 Difference]: Finished difference. Result has 16 places, 8 transitions, 29 flow [2022-12-05 20:46:00,579 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=10, PETRI_DIFFERENCE_MINUEND_FLOW=22, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=29, PETRI_PLACES=16, PETRI_TRANSITIONS=8} [2022-12-05 20:46:00,582 INFO L294 CegarLoopForPetriNet]: 14 programPoint places, 2 predicate places. [2022-12-05 20:46:00,582 INFO L495 AbstractCegarLoop]: Abstraction has has 16 places, 8 transitions, 29 flow [2022-12-05 20:46:00,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-12-05 20:46:00,583 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:46:00,583 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-05 20:46:00,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 20:46:00,583 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-05 20:46:00,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:46:00,585 INFO L85 PathProgramCache]: Analyzing trace with hash 213356265, now seen corresponding path program 1 times [2022-12-05 20:46:00,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:46:00,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318672391] [2022-12-05 20:46:00,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:46:00,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:46:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:46:00,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:46:00,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:46:00,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318672391] [2022-12-05 20:46:00,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318672391] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:46:00,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:46:00,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 20:46:00,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296349171] [2022-12-05 20:46:00,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:46:00,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 20:46:00,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:46:00,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 20:46:00,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-05 20:46:00,779 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 10 [2022-12-05 20:46:00,780 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 8 transitions, 29 flow. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-12-05 20:46:00,780 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:46:00,780 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 10 [2022-12-05 20:46:00,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:46:00,803 INFO L130 PetriNetUnfolder]: 1/12 cut-off events. [2022-12-05 20:46:00,803 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 20:46:00,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 12 events. 1/12 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 12 event pairs, 0 based on Foata normal form. 2/14 useless extension candidates. Maximal degree in co-relation 24. Up to 7 conditions per place. [2022-12-05 20:46:00,806 INFO L137 encePairwiseOnDemand]: 5/10 looper letters, 2 selfloop transitions, 4 changer transitions 3/9 dead transitions. [2022-12-05 20:46:00,810 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 9 transitions, 49 flow [2022-12-05 20:46:00,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-05 20:46:00,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-05 20:46:00,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2022-12-05 20:46:00,811 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.375 [2022-12-05 20:46:00,811 INFO L175 Difference]: Start difference. First operand has 16 places, 8 transitions, 29 flow. Second operand 4 states and 15 transitions. [2022-12-05 20:46:00,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 9 transitions, 49 flow [2022-12-05 20:46:00,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 9 transitions, 43 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-05 20:46:00,812 INFO L231 Difference]: Finished difference. Result has 15 places, 6 transitions, 26 flow [2022-12-05 20:46:00,812 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=10, PETRI_DIFFERENCE_MINUEND_FLOW=23, PETRI_DIFFERENCE_MINUEND_PLACES=12, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=8, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=4, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=26, PETRI_PLACES=15, PETRI_TRANSITIONS=6} [2022-12-05 20:46:00,813 INFO L294 CegarLoopForPetriNet]: 14 programPoint places, 1 predicate places. [2022-12-05 20:46:00,813 INFO L495 AbstractCegarLoop]: Abstraction has has 15 places, 6 transitions, 26 flow [2022-12-05 20:46:00,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-12-05 20:46:00,813 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:46:00,813 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-05 20:46:00,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 20:46:00,813 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-05 20:46:00,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:46:00,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1975863836, now seen corresponding path program 1 times [2022-12-05 20:46:00,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:46:00,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757734267] [2022-12-05 20:46:00,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:46:00,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:46:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-05 20:46:00,839 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-05 20:46:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-05 20:46:00,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-05 20:46:00,855 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-05 20:46:00,856 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-05 20:46:00,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-05 20:46:00,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 20:46:00,857 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-05 20:46:00,860 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 20:46:00,861 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 20:46:00,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 08:46:00 BasicIcfg [2022-12-05 20:46:00,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 20:46:00,874 INFO L158 Benchmark]: Toolchain (without parser) took 3806.71ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 172.3MB in the beginning and 132.7MB in the end (delta: 39.6MB). Peak memory consumption was 81.0MB. Max. memory is 8.0GB. [2022-12-05 20:46:00,874 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 197.1MB. Free memory was 173.2MB in the beginning and 173.1MB in the end (delta: 80.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 20:46:00,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.37ms. Allocated memory is still 197.1MB. Free memory was 171.7MB in the beginning and 153.4MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-12-05 20:46:00,874 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.55ms. Allocated memory is still 197.1MB. Free memory was 152.8MB in the beginning and 151.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-05 20:46:00,875 INFO L158 Benchmark]: Boogie Preprocessor took 14.40ms. Allocated memory is still 197.1MB. Free memory was 151.3MB in the beginning and 149.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 20:46:00,875 INFO L158 Benchmark]: RCFGBuilder took 306.02ms. Allocated memory is still 197.1MB. Free memory was 149.7MB in the beginning and 136.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-05 20:46:00,875 INFO L158 Benchmark]: TraceAbstraction took 3106.47ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 136.1MB in the beginning and 132.7MB in the end (delta: 3.4MB). Peak memory consumption was 44.3MB. Max. memory is 8.0GB. [2022-12-05 20:46:00,876 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 197.1MB. Free memory was 173.2MB in the beginning and 173.1MB in the end (delta: 80.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 342.37ms. Allocated memory is still 197.1MB. Free memory was 171.7MB in the beginning and 153.4MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.55ms. Allocated memory is still 197.1MB. Free memory was 152.8MB in the beginning and 151.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.40ms. Allocated memory is still 197.1MB. Free memory was 151.3MB in the beginning and 149.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 306.02ms. Allocated memory is still 197.1MB. Free memory was 149.7MB in the beginning and 136.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3106.47ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 136.1MB in the beginning and 132.7MB in the end (delta: 3.4MB). Peak memory consumption was 44.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.4s, 56 PlacesBefore, 14 PlacesAfterwards, 52 TransitionsBefore, 10 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 27 TrivialYvCompositions, 18 ConcurrentYvCompositions, 0 ChoiceCompositions, 45 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 213, independent: 182, independent conditional: 182, independent unconditional: 0, dependent: 31, dependent conditional: 31, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 213, independent: 182, independent conditional: 0, independent unconditional: 182, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 213, independent: 182, independent conditional: 0, independent unconditional: 182, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 213, independent: 182, independent conditional: 0, independent unconditional: 182, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 178, independent: 157, independent conditional: 0, independent unconditional: 157, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 178, independent: 148, independent conditional: 0, independent unconditional: 148, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 213, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 178, unknown conditional: 0, unknown unconditional: 178] , Statistics on independence cache: Total cache size (in pairs): 275, Positive cache size: 254, Positive conditional cache size: 0, Positive unconditional cache size: 254, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 glob1 = 5 VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(glob1 == 0) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 81 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 0 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=1, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-05 20:46:00,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...