/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_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-11 21:13:49,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 21:13:49,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 21:13:49,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 21:13:49,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 21:13:49,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 21:13:49,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 21:13:49,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 21:13:49,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 21:13:49,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 21:13:49,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 21:13:49,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 21:13:49,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 21:13:49,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 21:13:49,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 21:13:49,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 21:13:49,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 21:13:49,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 21:13:49,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 21:13:49,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 21:13:49,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 21:13:49,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 21:13:49,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 21:13:49,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 21:13:49,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-11 21:13:49,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-11 21:13:49,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-11 21:13:49,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-11 21:13:49,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-11 21:13:49,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-11 21:13:49,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 21:13:49,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 21:13:49,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 21:13:49,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 21:13:49,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 21:13:49,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 21:13:49,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 21:13:49,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 21:13:49,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 21:13:49,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 21:13:49,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 21:13:49,832 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 21:13:49,857 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 21:13:49,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 21:13:49,859 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 21:13:49,859 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 21:13:49,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 21:13:49,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 21:13:49,860 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 21:13:49,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 21:13:49,860 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 21:13:49,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 21:13:49,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 21:13:49,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 21:13:49,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 21:13:49,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 21:13:49,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 21:13:49,861 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 21:13:49,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 21:13:49,862 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 21:13:49,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 21:13:49,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 21:13:49,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 21:13:49,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 21:13:49,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 21:13:49,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 21:13:49,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 21:13:49,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 21:13:49,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 21:13:49,863 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 21:13:49,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 21:13:49,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 21:13:49,863 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 21:13:49,863 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-11 21:13:50,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 21:13:50,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 21:13:50,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 21:13:50,184 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 21:13:50,185 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 21:13:50,186 INFO L432 ainManager$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_neg.i [2022-12-11 21:13:51,184 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 21:13:51,469 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 21:13:51,470 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-12-11 21:13:51,486 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a923e7b6/a7be236898c34b469e758efece67f5f8/FLAG08d8cae9a [2022-12-11 21:13:51,498 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a923e7b6/a7be236898c34b469e758efece67f5f8 [2022-12-11 21:13:51,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 21:13:51,500 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 21:13:51,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 21:13:51,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 21:13:51,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 21:13:51,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 09:13:51" (1/1) ... [2022-12-11 21:13:51,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da0fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:51, skipping insertion in model container [2022-12-11 21:13:51,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 09:13:51" (1/1) ... [2022-12-11 21:13:51,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 21:13:51,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 21:13:51,685 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_neg.i[1103,1116] [2022-12-11 21:13:51,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 21:13:51,825 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 21:13:51,836 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_neg.i[1103,1116] [2022-12-11 21:13:51,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 21:13:51,893 INFO L208 MainTranslator]: Completed translation [2022-12-11 21:13:51,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:51 WrapperNode [2022-12-11 21:13:51,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 21:13:51,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 21:13:51,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 21:13:51,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 21:13:51,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:51" (1/1) ... [2022-12-11 21:13:51,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:51" (1/1) ... [2022-12-11 21:13:51,941 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-12-11 21:13:51,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 21:13:51,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 21:13:51,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 21:13:51,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 21:13:51,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:51" (1/1) ... [2022-12-11 21:13:51,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:51" (1/1) ... [2022-12-11 21:13:51,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:51" (1/1) ... [2022-12-11 21:13:51,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:51" (1/1) ... [2022-12-11 21:13:51,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:51" (1/1) ... [2022-12-11 21:13:51,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:51" (1/1) ... [2022-12-11 21:13:51,971 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:51" (1/1) ... [2022-12-11 21:13:51,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:51" (1/1) ... [2022-12-11 21:13:51,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 21:13:51,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 21:13:51,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 21:13:51,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 21:13:51,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:51" (1/1) ... [2022-12-11 21:13:51,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 21:13:51,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 21:13:52,017 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 21:13:52,036 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 21:13:52,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-11 21:13:52,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 21:13:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-11 21:13:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 21:13:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 21:13:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-11 21:13:52,048 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-11 21:13:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 21:13:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 21:13:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 21:13:52,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 21:13:52,050 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 21:13:52,187 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 21:13:52,189 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 21:13:52,297 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 21:13:52,305 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 21:13:52,305 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-11 21:13:52,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 09:13:52 BoogieIcfgContainer [2022-12-11 21:13:52,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 21:13:52,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 21:13:52,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 21:13:52,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 21:13:52,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 09:13:51" (1/3) ... [2022-12-11 21:13:52,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0252c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 09:13:52, skipping insertion in model container [2022-12-11 21:13:52,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:51" (2/3) ... [2022-12-11 21:13:52,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0252c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 09:13:52, skipping insertion in model container [2022-12-11 21:13:52,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 09:13:52" (3/3) ... [2022-12-11 21:13:52,315 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2022-12-11 21:13:52,327 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 21:13:52,327 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-11 21:13:52,327 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 21:13:52,395 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-11 21:13:52,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 65 transitions, 138 flow [2022-12-11 21:13:52,447 INFO L130 PetriNetUnfolder]: 1/64 cut-off events. [2022-12-11 21:13:52,448 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-11 21:13:52,450 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 21:13:52,451 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 65 transitions, 138 flow [2022-12-11 21:13:52,453 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 52 transitions, 107 flow [2022-12-11 21:13:52,460 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 21:13:52,465 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;@3442cdf0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 21:13:52,465 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-11 21:13:52,476 INFO L130 PetriNetUnfolder]: 0/45 cut-off events. [2022-12-11 21:13:52,476 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 21:13:52,476 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:13:52,477 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 21:13:52,477 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 21:13:52,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:13:52,483 INFO L85 PathProgramCache]: Analyzing trace with hash 105341448, now seen corresponding path program 1 times [2022-12-11 21:13:52,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:13:52,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966307552] [2022-12-11 21:13:52,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:13:52,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:13:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-11 21:13:52,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-11 21:13:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-11 21:13:52,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-11 21:13:52,642 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-11 21:13:52,643 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-11 21:13:52,645 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-11 21:13:52,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-11 21:13:52,646 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-11 21:13:52,653 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-11 21:13:52,653 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-11 21:13:52,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.12 09:13:52 BasicIcfg [2022-12-11 21:13:52,672 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-11 21:13:52,673 INFO L158 Benchmark]: Toolchain (without parser) took 1172.70ms. Allocated memory is still 219.2MB. Free memory was 193.0MB in the beginning and 129.3MB in the end (delta: 63.6MB). Peak memory consumption was 64.0MB. Max. memory is 8.0GB. [2022-12-11 21:13:52,674 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 219.2MB. Free memory is still 195.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 21:13:52,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.81ms. Allocated memory is still 219.2MB. Free memory was 193.0MB in the beginning and 173.9MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-11 21:13:52,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.81ms. Allocated memory is still 219.2MB. Free memory was 173.9MB in the beginning and 171.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 21:13:52,675 INFO L158 Benchmark]: Boogie Preprocessor took 31.79ms. Allocated memory is still 219.2MB. Free memory was 171.8MB in the beginning and 170.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 21:13:52,675 INFO L158 Benchmark]: RCFGBuilder took 332.46ms. Allocated memory is still 219.2MB. Free memory was 170.2MB in the beginning and 157.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-11 21:13:52,675 INFO L158 Benchmark]: TraceAbstraction took 364.07ms. Allocated memory is still 219.2MB. Free memory was 156.1MB in the beginning and 129.3MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-12-11 21:13:52,677 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 219.2MB. Free memory is still 195.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 391.81ms. Allocated memory is still 219.2MB. Free memory was 193.0MB in the beginning and 173.9MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.81ms. Allocated memory is still 219.2MB. Free memory was 173.9MB in the beginning and 171.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.79ms. Allocated memory is still 219.2MB. Free memory was 171.8MB in the beginning and 170.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 332.46ms. Allocated memory is still 219.2MB. Free memory was 170.2MB in the beginning and 157.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 364.07ms. Allocated memory is still 219.2MB. Free memory was 156.1MB in the beginning and 129.3MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. 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] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, 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: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred 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, 38 NumberOfCodeBlocks, 38 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! [2022-12-11 21:13:52,693 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...