/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-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true --traceabstraction.size.reduction.to.apply.after.petri.net.difference REMOVE_DEAD -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 06:50:26,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 06:50:26,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 06:50:26,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 06:50:26,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 06:50:26,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 06:50:26,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 06:50:26,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 06:50:26,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 06:50:26,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 06:50:26,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 06:50:26,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 06:50:26,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 06:50:26,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 06:50:26,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 06:50:26,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 06:50:26,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 06:50:26,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 06:50:26,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 06:50:26,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 06:50:26,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 06:50:26,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 06:50:26,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 06:50:26,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 06:50:26,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 06:50:26,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 06:50:26,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 06:50:26,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 06:50:26,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 06:50:26,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 06:50:26,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 06:50:26,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 06:50:26,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 06:50:26,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 06:50:26,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 06:50:26,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 06:50:26,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 06:50:26,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 06:50:26,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 06:50:26,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 06:50:26,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 06:50:26,507 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-RepeatedSemanticLbe.epf [2022-12-13 06:50:26,541 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 06:50:26,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 06:50:26,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 06:50:26,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 06:50:26,543 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 06:50:26,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 06:50:26,544 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 06:50:26,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 06:50:26,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 06:50:26,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 06:50:26,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 06:50:26,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 06:50:26,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 06:50:26,545 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 06:50:26,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 06:50:26,545 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 06:50:26,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 06:50:26,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 06:50:26,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 06:50:26,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 06:50:26,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 06:50:26,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 06:50:26,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 06:50:26,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 06:50:26,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 06:50:26,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 06:50:26,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 06:50:26,546 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 06:50:26,546 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_DEAD [2022-12-13 06:50:26,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 06:50:26,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 06:50:26,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 06:50:26,847 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 06:50:26,848 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 06:50:26,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-12-13 06:50:27,886 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 06:50:28,166 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 06:50:28,166 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-12-13 06:50:28,193 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a04c32433/562d08b48670482eba656099c11fe660/FLAG505d2873a [2022-12-13 06:50:28,205 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a04c32433/562d08b48670482eba656099c11fe660 [2022-12-13 06:50:28,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 06:50:28,208 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 06:50:28,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 06:50:28,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 06:50:28,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 06:50:28,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:50:28" (1/1) ... [2022-12-13 06:50:28,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb0e4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:28, skipping insertion in model container [2022-12-13 06:50:28,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:50:28" (1/1) ... [2022-12-13 06:50:28,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 06:50:28,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 06:50:28,374 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_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-12-13 06:50:28,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 06:50:28,508 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 06:50:28,520 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_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-12-13 06:50:28,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 06:50:28,591 INFO L208 MainTranslator]: Completed translation [2022-12-13 06:50:28,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:28 WrapperNode [2022-12-13 06:50:28,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 06:50:28,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 06:50:28,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 06:50:28,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 06:50:28,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:28" (1/1) ... [2022-12-13 06:50:28,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:28" (1/1) ... [2022-12-13 06:50:28,632 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-12-13 06:50:28,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 06:50:28,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 06:50:28,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 06:50:28,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 06:50:28,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:28" (1/1) ... [2022-12-13 06:50:28,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:28" (1/1) ... [2022-12-13 06:50:28,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:28" (1/1) ... [2022-12-13 06:50:28,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:28" (1/1) ... [2022-12-13 06:50:28,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:28" (1/1) ... [2022-12-13 06:50:28,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:28" (1/1) ... [2022-12-13 06:50:28,645 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:28" (1/1) ... [2022-12-13 06:50:28,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:28" (1/1) ... [2022-12-13 06:50:28,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 06:50:28,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 06:50:28,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 06:50:28,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 06:50:28,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:28" (1/1) ... [2022-12-13 06:50:28,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 06:50:28,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 06:50:28,671 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) [2022-12-13 06:50:28,677 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 [2022-12-13 06:50:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 06:50:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 06:50:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 06:50:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 06:50:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 06:50:28,720 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 06:50:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 06:50:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 06:50:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 06:50:28,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 06:50:28,721 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 06:50:28,867 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 06:50:28,869 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 06:50:29,106 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 06:50:29,111 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 06:50:29,111 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 06:50:29,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:50:29 BoogieIcfgContainer [2022-12-13 06:50:29,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 06:50:29,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 06:50:29,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 06:50:29,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 06:50:29,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:50:28" (1/3) ... [2022-12-13 06:50:29,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac31331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:50:29, skipping insertion in model container [2022-12-13 06:50:29,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:28" (2/3) ... [2022-12-13 06:50:29,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac31331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:50:29, skipping insertion in model container [2022-12-13 06:50:29,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:50:29" (3/3) ... [2022-12-13 06:50:29,118 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-12-13 06:50:29,137 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 06:50:29,138 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 06:50:29,138 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 06:50:29,198 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 06:50:29,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 60 transitions, 125 flow [2022-12-13 06:50:29,273 INFO L130 PetriNetUnfolder]: 1/59 cut-off events. [2022-12-13 06:50:29,274 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 06:50:29,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 59 events. 1/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-12-13 06:50:29,278 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 60 transitions, 125 flow [2022-12-13 06:50:29,281 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 55 places, 51 transitions, 105 flow [2022-12-13 06:50:29,283 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:50:29,299 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 51 transitions, 105 flow [2022-12-13 06:50:29,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 51 transitions, 105 flow [2022-12-13 06:50:29,385 INFO L130 PetriNetUnfolder]: 0/51 cut-off events. [2022-12-13 06:50:29,386 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 06:50:29,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 51 events. 0/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 19 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-13 06:50:29,387 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 51 transitions, 105 flow [2022-12-13 06:50:29,388 INFO L226 LiptonReduction]: Number of co-enabled transitions 240 [2022-12-13 06:50:31,422 INFO L241 LiptonReduction]: Total number of compositions: 44 [2022-12-13 06:50:31,432 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 06:50:31,436 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=REPEATED_LIPTON_PN, 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;@2ff25539, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 06:50:31,437 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 06:50:31,439 INFO L130 PetriNetUnfolder]: 0/11 cut-off events. [2022-12-13 06:50:31,439 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 06:50:31,439 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:50:31,440 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 06:50:31,440 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 06:50:31,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:50:31,443 INFO L85 PathProgramCache]: Analyzing trace with hash 198142974, now seen corresponding path program 1 times [2022-12-13 06:50:31,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:50:31,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653985290] [2022-12-13 06:50:31,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:50:31,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:50:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 06:50:31,528 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 06:50:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 06:50:31,554 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 06:50:31,556 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 06:50:31,556 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-13 06:50:31,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-13 06:50:31,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 06:50:31,558 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 06:50:31,562 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 06:50:31,562 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 06:50:31,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:50:31 BasicIcfg [2022-12-13 06:50:31,574 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 06:50:31,575 INFO L158 Benchmark]: Toolchain (without parser) took 3367.68ms. Allocated memory was 211.8MB in the beginning and 254.8MB in the end (delta: 43.0MB). Free memory was 186.0MB in the beginning and 98.6MB in the end (delta: 87.4MB). Peak memory consumption was 131.7MB. Max. memory is 8.0GB. [2022-12-13 06:50:31,576 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 211.8MB. Free memory was 189.2MB in the beginning and 189.1MB in the end (delta: 94.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 06:50:31,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.56ms. Allocated memory is still 211.8MB. Free memory was 186.0MB in the beginning and 167.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-13 06:50:31,576 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.06ms. Allocated memory is still 211.8MB. Free memory was 167.1MB in the beginning and 165.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-13 06:50:31,577 INFO L158 Benchmark]: Boogie Preprocessor took 14.18ms. Allocated memory is still 211.8MB. Free memory was 165.0MB in the beginning and 163.7MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-13 06:50:31,577 INFO L158 Benchmark]: RCFGBuilder took 464.86ms. Allocated memory is still 211.8MB. Free memory was 163.7MB in the beginning and 151.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-13 06:50:31,577 INFO L158 Benchmark]: TraceAbstraction took 2460.37ms. Allocated memory was 211.8MB in the beginning and 254.8MB in the end (delta: 43.0MB). Free memory was 150.1MB in the beginning and 99.2MB in the end (delta: 50.9MB). Peak memory consumption was 94.9MB. Max. memory is 8.0GB. [2022-12-13 06:50:31,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 211.8MB. Free memory was 189.2MB in the beginning and 189.1MB in the end (delta: 94.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 382.56ms. Allocated memory is still 211.8MB. Free memory was 186.0MB in the beginning and 167.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.06ms. Allocated memory is still 211.8MB. Free memory was 167.1MB in the beginning and 165.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.18ms. Allocated memory is still 211.8MB. Free memory was 165.0MB in the beginning and 163.7MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 464.86ms. Allocated memory is still 211.8MB. Free memory was 163.7MB in the beginning and 151.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2460.37ms. Allocated memory was 211.8MB in the beginning and 254.8MB in the end (delta: 43.0MB). Free memory was 150.1MB in the beginning and 99.2MB in the end (delta: 50.9MB). Peak memory consumption was 94.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.0s, 55 PlacesBefore, 19 PlacesAfterwards, 51 TransitionsBefore, 15 TransitionsAfterwards, 240 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 27 TrivialYvCompositions, 15 ConcurrentYvCompositions, 0 ChoiceCompositions, 44 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 292, independent: 233, independent conditional: 233, independent unconditional: 0, dependent: 59, dependent conditional: 59, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 292, independent: 233, independent conditional: 0, independent unconditional: 233, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 292, independent: 233, independent conditional: 0, independent unconditional: 233, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 292, independent: 233, independent conditional: 0, independent unconditional: 233, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 206, independent: 174, independent conditional: 0, independent unconditional: 174, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 206, independent: 155, independent conditional: 0, independent unconditional: 155, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 51, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 292, independent: 59, independent conditional: 0, independent unconditional: 59, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 206, unknown conditional: 0, unknown unconditional: 206] , Statistics on independence cache: Total cache size (in pairs): 309, Positive cache size: 277, Positive conditional cache size: 0, Positive unconditional cache size: 277, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, 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 g = 0; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L693] 0 pthread_t id; [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, D={4:0}, g=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L698] CALL 0 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, cond=0, D={4:0}, g=0] - UnprovableResult [Line: 694]: 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, 72 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: 2.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2022-12-13 06:50:31,598 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...