/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-NoLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-11 21:13:53,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 21:13:53,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 21:13:53,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 21:13:53,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 21:13:53,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 21:13:53,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 21:13:53,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 21:13:53,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 21:13:53,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 21:13:53,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 21:13:53,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 21:13:53,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 21:13:53,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 21:13:53,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 21:13:53,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 21:13:53,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 21:13:53,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 21:13:53,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 21:13:53,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 21:13:53,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 21:13:53,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 21:13:53,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 21:13:53,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 21:13:53,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-11 21:13:53,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-11 21:13:53,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-11 21:13:53,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-11 21:13:53,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-11 21:13:53,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-11 21:13:53,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 21:13:53,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 21:13:53,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 21:13:53,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 21:13:53,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 21:13:53,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 21:13:53,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 21:13:53,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 21:13:53,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 21:13:53,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 21:13:53,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 21:13:53,118 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-NoLbe.epf [2022-12-11 21:13:53,149 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 21:13:53,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 21:13:53,150 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 21:13:53,150 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 21:13:53,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 21:13:53,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 21:13:53,152 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 21:13:53,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 21:13:53,152 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 21:13:53,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 21:13:53,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 21:13:53,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 21:13:53,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 21:13:53,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 21:13:53,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 21:13:53,154 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 21:13:53,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 21:13:53,154 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 21:13:53,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 21:13:53,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 21:13:53,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 21:13:53,155 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 21:13:53,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 21:13:53,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 21:13:53,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 21:13:53,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 21:13:53,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 21:13:53,155 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 21:13:53,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 21:13:53,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 21:13:53,156 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 21:13:53,156 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-11 21:13:53,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 21:13:53,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 21:13:53,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 21:13:53,490 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 21:13:53,491 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 21:13:53,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2022-12-11 21:13:54,728 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 21:13:54,988 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 21:13:54,988 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2022-12-11 21:13:55,006 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cb0577f9/550bd307d71f46d2b8b6728ce77e0e3d/FLAGeeee2aa8e [2022-12-11 21:13:55,018 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cb0577f9/550bd307d71f46d2b8b6728ce77e0e3d [2022-12-11 21:13:55,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 21:13:55,021 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 21:13:55,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 21:13:55,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 21:13:55,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 21:13:55,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 09:13:55" (1/1) ... [2022-12-11 21:13:55,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@638ab9a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:55, skipping insertion in model container [2022-12-11 21:13:55,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 09:13:55" (1/1) ... [2022-12-11 21:13:55,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 21:13:55,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 21:13:55,190 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_2_neg.i[1103,1116] [2022-12-11 21:13:55,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 21:13:55,343 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 21:13:55,355 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_2_neg.i[1103,1116] [2022-12-11 21:13:55,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 21:13:55,434 INFO L208 MainTranslator]: Completed translation [2022-12-11 21:13:55,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:55 WrapperNode [2022-12-11 21:13:55,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 21:13:55,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 21:13:55,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 21:13:55,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 21:13:55,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:55" (1/1) ... [2022-12-11 21:13:55,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:55" (1/1) ... [2022-12-11 21:13:55,500 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-12-11 21:13:55,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 21:13:55,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 21:13:55,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 21:13:55,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 21:13:55,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:55" (1/1) ... [2022-12-11 21:13:55,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:55" (1/1) ... [2022-12-11 21:13:55,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:55" (1/1) ... [2022-12-11 21:13:55,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:55" (1/1) ... [2022-12-11 21:13:55,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:55" (1/1) ... [2022-12-11 21:13:55,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:55" (1/1) ... [2022-12-11 21:13:55,534 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:55" (1/1) ... [2022-12-11 21:13:55,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:55" (1/1) ... [2022-12-11 21:13:55,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 21:13:55,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 21:13:55,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 21:13:55,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 21:13:55,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:55" (1/1) ... [2022-12-11 21:13:55,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 21:13:55,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 21:13:55,575 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) [2022-12-11 21:13:55,591 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 [2022-12-11 21:13:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-11 21:13:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 21:13:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-11 21:13:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 21:13:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 21:13:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-11 21:13:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-11 21:13:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 21:13:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 21:13:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 21:13:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 21:13:55,623 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-11 21:13:55,761 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 21:13:55,767 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 21:13:55,927 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 21:13:55,933 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 21:13:55,933 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-11 21:13:55,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 09:13:55 BoogieIcfgContainer [2022-12-11 21:13:55,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 21:13:55,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 21:13:55,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 21:13:55,940 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 21:13:55,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 09:13:55" (1/3) ... [2022-12-11 21:13:55,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b01dba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 09:13:55, skipping insertion in model container [2022-12-11 21:13:55,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:55" (2/3) ... [2022-12-11 21:13:55,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b01dba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 09:13:55, skipping insertion in model container [2022-12-11 21:13:55,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 09:13:55" (3/3) ... [2022-12-11 21:13:55,943 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2022-12-11 21:13:55,957 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 21:13:55,957 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-11 21:13:55,957 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 21:13:55,996 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-11 21:13:56,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 65 transitions, 138 flow [2022-12-11 21:13:56,065 INFO L130 PetriNetUnfolder]: 1/64 cut-off events. [2022-12-11 21:13:56,065 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-11 21:13:56,069 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. [2022-12-11 21:13:56,069 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 65 transitions, 138 flow [2022-12-11 21:13:56,072 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 52 transitions, 107 flow [2022-12-11 21:13:56,087 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 21:13:56,095 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;@69bc8d22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 21:13:56,096 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-11 21:13:56,125 INFO L130 PetriNetUnfolder]: 0/45 cut-off events. [2022-12-11 21:13:56,125 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 21:13:56,125 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:13:56,126 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 21:13:56,126 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 21:13:56,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:13:56,132 INFO L85 PathProgramCache]: Analyzing trace with hash 105341448, now seen corresponding path program 1 times [2022-12-11 21:13:56,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:13:56,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369045634] [2022-12-11 21:13:56,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:13:56,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:13:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:13:56,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:13:56,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:13:56,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369045634] [2022-12-11 21:13:56,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369045634] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:13:56,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:13:56,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-11 21:13:56,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465912409] [2022-12-11 21:13:56,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:13:56,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-11 21:13:56,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:13:56,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-11 21:13:56,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-11 21:13:56,735 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 65 [2022-12-11 21:13:56,740 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 52 transitions, 107 flow. Second operand has 5 states, 5 states have (on average 54.2) internal successors, (271), 5 states have internal predecessors, (271), 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) [2022-12-11 21:13:56,740 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:13:56,740 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 65 [2022-12-11 21:13:56,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:13:56,839 INFO L130 PetriNetUnfolder]: 8/95 cut-off events. [2022-12-11 21:13:56,839 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-11 21:13:56,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 95 events. 8/95 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 214 event pairs, 0 based on Foata normal form. 3/98 useless extension candidates. Maximal degree in co-relation 93. Up to 10 conditions per place. [2022-12-11 21:13:56,842 INFO L137 encePairwiseOnDemand]: 59/65 looper letters, 8 selfloop transitions, 3 changer transitions 9/64 dead transitions. [2022-12-11 21:13:56,842 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 64 transitions, 171 flow [2022-12-11 21:13:56,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-11 21:13:56,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-11 21:13:56,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 393 transitions. [2022-12-11 21:13:56,860 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8637362637362638 [2022-12-11 21:13:56,866 INFO L295 CegarLoopForPetriNet]: 56 programPoint places, 6 predicate places. [2022-12-11 21:13:56,866 INFO L82 GeneralOperation]: Start removeDead. Operand has 62 places, 64 transitions, 171 flow [2022-12-11 21:13:56,868 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 55 transitions, 135 flow [2022-12-11 21:13:56,869 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 55 transitions, 135 flow [2022-12-11 21:13:56,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.2) internal successors, (271), 5 states have internal predecessors, (271), 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) [2022-12-11 21:13:56,869 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:13:56,869 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 21:13:56,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-11 21:13:56,870 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 21:13:56,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:13:56,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1870291707, now seen corresponding path program 1 times [2022-12-11 21:13:56,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:13:56,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350364909] [2022-12-11 21:13:56,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:13:56,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:13:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:13:57,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:13:57,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:13:57,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350364909] [2022-12-11 21:13:57,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350364909] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:13:57,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:13:57,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-11 21:13:57,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919186238] [2022-12-11 21:13:57,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:13:57,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-11 21:13:57,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:13:57,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-11 21:13:57,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-11 21:13:57,038 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 65 [2022-12-11 21:13:57,039 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 55 transitions, 135 flow. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2022-12-11 21:13:57,040 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:13:57,040 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 65 [2022-12-11 21:13:57,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:13:57,104 INFO L130 PetriNetUnfolder]: 1/64 cut-off events. [2022-12-11 21:13:57,104 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-11 21:13:57,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 64 events. 1/64 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 56 event pairs, 0 based on Foata normal form. 4/68 useless extension candidates. Maximal degree in co-relation 54. Up to 13 conditions per place. [2022-12-11 21:13:57,108 INFO L137 encePairwiseOnDemand]: 59/65 looper letters, 8 selfloop transitions, 3 changer transitions 9/54 dead transitions. [2022-12-11 21:13:57,108 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 54 transitions, 159 flow [2022-12-11 21:13:57,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-11 21:13:57,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-11 21:13:57,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 160 transitions. [2022-12-11 21:13:57,110 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8205128205128205 [2022-12-11 21:13:57,110 INFO L295 CegarLoopForPetriNet]: 56 programPoint places, 4 predicate places. [2022-12-11 21:13:57,111 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 54 transitions, 159 flow [2022-12-11 21:13:57,112 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 53 places, 45 transitions, 129 flow [2022-12-11 21:13:57,113 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 45 transitions, 129 flow [2022-12-11 21:13:57,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2022-12-11 21:13:57,116 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:13:57,118 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 21:13:57,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-11 21:13:57,118 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 21:13:57,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:13:57,119 INFO L85 PathProgramCache]: Analyzing trace with hash 579730692, now seen corresponding path program 1 times [2022-12-11 21:13:57,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:13:57,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218798940] [2022-12-11 21:13:57,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:13:57,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:13:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-11 21:13:57,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-11 21:13:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-11 21:13:57,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-11 21:13:57,185 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-11 21:13:57,186 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-11 21:13:57,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-11 21:13:57,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-11 21:13:57,192 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-11 21:13:57,198 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-11 21:13:57,198 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-11 21:13:57,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.12 09:13:57 BasicIcfg [2022-12-11 21:13:57,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-11 21:13:57,250 INFO L158 Benchmark]: Toolchain (without parser) took 2228.50ms. Allocated memory was 175.1MB in the beginning and 213.9MB in the end (delta: 38.8MB). Free memory was 150.8MB in the beginning and 130.3MB in the end (delta: 20.5MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. [2022-12-11 21:13:57,250 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 175.1MB. Free memory is still 151.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 21:13:57,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.90ms. Allocated memory is still 175.1MB. Free memory was 150.3MB in the beginning and 131.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-11 21:13:57,252 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.23ms. Allocated memory is still 175.1MB. Free memory was 131.4MB in the beginning and 129.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 21:13:57,254 INFO L158 Benchmark]: Boogie Preprocessor took 35.81ms. Allocated memory is still 175.1MB. Free memory was 129.9MB in the beginning and 128.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-11 21:13:57,254 INFO L158 Benchmark]: RCFGBuilder took 397.67ms. Allocated memory is still 175.1MB. Free memory was 128.3MB in the beginning and 115.7MB in the end (delta: 12.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-11 21:13:57,255 INFO L158 Benchmark]: TraceAbstraction took 1311.46ms. Allocated memory was 175.1MB in the beginning and 213.9MB in the end (delta: 38.8MB). Free memory was 114.1MB in the beginning and 130.3MB in the end (delta: -16.2MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-12-11 21:13:57,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 175.1MB. Free memory is still 151.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 413.90ms. Allocated memory is still 175.1MB. Free memory was 150.3MB in the beginning and 131.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.23ms. Allocated memory is still 175.1MB. Free memory was 131.4MB in the beginning and 129.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.81ms. Allocated memory is still 175.1MB. Free memory was 129.9MB in the beginning and 128.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 397.67ms. Allocated memory is still 175.1MB. Free memory was 128.3MB in the beginning and 115.7MB in the end (delta: 12.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1311.46ms. Allocated memory was 175.1MB in the beginning and 213.9MB in the end (delta: 38.8MB). Free memory was 114.1MB in the beginning and 130.3MB in the end (delta: -16.2MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}] [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 == 5)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] [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: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 21 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=1, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 66 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 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! [2022-12-11 21:13:57,274 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...