./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/protection-ghost/13-privatized_19-publish-precision_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i ./goblint.2024-09-02_08-21-23.files/protection-ghost/13-privatized_19-publish-precision_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-23 06:40:28,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 06:40:28,721 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 06:40:28,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 06:40:28,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 06:40:28,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 06:40:28,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 06:40:28,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 06:40:28,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 06:40:28,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 06:40:28,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 06:40:28,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 06:40:28,757 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 06:40:28,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 06:40:28,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 06:40:28,759 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 06:40:28,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 06:40:28,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 06:40:28,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 06:40:28,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 06:40:28,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 06:40:28,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 06:40:28,765 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 06:40:28,765 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 06:40:28,765 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 06:40:28,765 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 06:40:28,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 06:40:28,766 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 06:40:28,766 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 06:40:28,766 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 06:40:28,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 06:40:28,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 06:40:28,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 06:40:28,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 06:40:28,768 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 06:40:28,768 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 06:40:28,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 06:40:28,770 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 06:40:28,770 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 06:40:28,770 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 06:40:28,770 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 06:40:28,771 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-23 06:40:29,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 06:40:29,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 06:40:29,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 06:40:29,106 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 06:40:29,106 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 06:40:29,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/13-privatized_19-publish-precision_true.yml/witness.yml [2024-09-23 06:40:29,180 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 06:40:29,181 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 06:40:29,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i [2024-09-23 06:40:30,652 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 06:40:30,901 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 06:40:30,902 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i [2024-09-23 06:40:30,916 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/159749569/fa7e41ce1e54453bba32b4217e847330/FLAG63f4af6cc [2024-09-23 06:40:30,931 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/159749569/fa7e41ce1e54453bba32b4217e847330 [2024-09-23 06:40:30,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 06:40:30,933 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 06:40:30,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 06:40:30,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 06:40:30,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 06:40:30,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 06:40:29" (1/2) ... [2024-09-23 06:40:30,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7386f79c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:40:30, skipping insertion in model container [2024-09-23 06:40:30,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 06:40:29" (1/2) ... [2024-09-23 06:40:30,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@778914af and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:40:30, skipping insertion in model container [2024-09-23 06:40:30,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 06:40:30" (2/2) ... [2024-09-23 06:40:30,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7386f79c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:30, skipping insertion in model container [2024-09-23 06:40:30,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 06:40:30" (2/2) ... [2024-09-23 06:40:30,974 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 06:40:30,975 INFO L1541 ArrayList]: Location invariant before [L700-L700] ! multithreaded || (glob1 == 0 || glob1 == 5) [2024-09-23 06:40:30,975 INFO L1541 ArrayList]: ghost_variable mutex1_locked = 0 [2024-09-23 06:40:30,975 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 06:40:30,976 INFO L1541 ArrayList]: ghost_variable mutex2_locked = 0 [2024-09-23 06:40:30,976 INFO L1541 ArrayList]: ghost_update [L701-L701] mutex2_locked = 0; [2024-09-23 06:40:30,976 INFO L1541 ArrayList]: ghost_update [L693-L693] mutex1_locked = 0; [2024-09-23 06:40:30,977 INFO L1541 ArrayList]: ghost_update [L685-L685] mutex1_locked = 1; [2024-09-23 06:40:30,977 INFO L1541 ArrayList]: ghost_update [L692-L692] mutex2_locked = 0; [2024-09-23 06:40:30,978 INFO L1541 ArrayList]: ghost_update [L689-L689] mutex2_locked = 1; [2024-09-23 06:40:30,978 INFO L1541 ArrayList]: ghost_update [L688-L688] mutex2_locked = 0; [2024-09-23 06:40:30,978 INFO L1541 ArrayList]: ghost_update [L686-L686] mutex2_locked = 1; [2024-09-23 06:40:30,978 INFO L1541 ArrayList]: ghost_update [L700-L700] mutex2_locked = 1; [2024-09-23 06:40:30,978 INFO L1541 ArrayList]: ghost_update [L699-L699] multithreaded = 1; [2024-09-23 06:40:31,021 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 06:40:31,200 WARN L248 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_true.i[1094,1107] [2024-09-23 06:40:31,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 06:40:31,388 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-23 06:40:31,433 WARN L248 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_true.i[1094,1107] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-23 06:40:31,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 06:40:31,524 INFO L204 MainTranslator]: Completed translation [2024-09-23 06:40:31,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:31 WrapperNode [2024-09-23 06:40:31,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 06:40:31,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 06:40:31,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 06:40:31,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 06:40:31,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:31" (1/1) ... [2024-09-23 06:40:31,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:31" (1/1) ... [2024-09-23 06:40:31,567 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2024-09-23 06:40:31,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 06:40:31,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 06:40:31,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 06:40:31,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 06:40:31,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:31" (1/1) ... [2024-09-23 06:40:31,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:31" (1/1) ... [2024-09-23 06:40:31,580 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:31" (1/1) ... [2024-09-23 06:40:31,580 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:31" (1/1) ... [2024-09-23 06:40:31,602 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:31" (1/1) ... [2024-09-23 06:40:31,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:31" (1/1) ... [2024-09-23 06:40:31,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:31" (1/1) ... [2024-09-23 06:40:31,612 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:31" (1/1) ... [2024-09-23 06:40:31,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 06:40:31,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 06:40:31,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 06:40:31,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 06:40:31,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:31" (1/1) ... [2024-09-23 06:40:31,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 06:40:31,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:40:31,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-23 06:40:31,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-23 06:40:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-23 06:40:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 06:40:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-09-23 06:40:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-09-23 06:40:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 06:40:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-23 06:40:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 06:40:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 06:40:31,720 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-23 06:40:31,856 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 06:40:31,857 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 06:40:32,000 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 06:40:32,001 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 06:40:32,139 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 06:40:32,140 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-23 06:40:32,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 06:40:32 BoogieIcfgContainer [2024-09-23 06:40:32,140 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 06:40:32,143 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 06:40:32,143 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 06:40:32,146 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 06:40:32,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 06:40:29" (1/4) ... [2024-09-23 06:40:32,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fc9524 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 06:40:32, skipping insertion in model container [2024-09-23 06:40:32,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 06:40:30" (2/4) ... [2024-09-23 06:40:32,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fc9524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 06:40:32, skipping insertion in model container [2024-09-23 06:40:32,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:31" (3/4) ... [2024-09-23 06:40:32,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fc9524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 06:40:32, skipping insertion in model container [2024-09-23 06:40:32,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 06:40:32" (4/4) ... [2024-09-23 06:40:32,149 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_true.i [2024-09-23 06:40:32,164 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 06:40:32,164 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-09-23 06:40:32,164 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 06:40:32,203 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-09-23 06:40:32,255 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 06:40:32,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 06:40:32,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:40:32,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-23 06:40:32,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-23 06:40:32,296 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 06:40:32,307 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-09-23 06:40:32,313 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@147ce6ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 06:40:32,313 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-23 06:40:32,417 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-23 06:40:32,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:40:32,423 INFO L85 PathProgramCache]: Analyzing trace with hash -91300028, now seen corresponding path program 1 times [2024-09-23 06:40:32,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:40:32,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888708768] [2024-09-23 06:40:32,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:40:32,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:40:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:40:32,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:40:32,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:40:32,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888708768] [2024-09-23 06:40:32,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888708768] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:40:32,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 06:40:32,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-23 06:40:32,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141978202] [2024-09-23 06:40:32,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:40:32,849 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 06:40:32,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:40:32,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 06:40:32,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 06:40:32,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:32,874 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:40:32,875 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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) [2024-09-23 06:40:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:32,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 06:40:32,918 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 06:40:32,919 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-23 06:40:32,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:40:32,921 INFO L85 PathProgramCache]: Analyzing trace with hash 321000764, now seen corresponding path program 1 times [2024-09-23 06:40:32,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:40:32,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680258933] [2024-09-23 06:40:32,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:40:32,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:40:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:40:33,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:40:33,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:40:33,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680258933] [2024-09-23 06:40:33,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680258933] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:40:33,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 06:40:33,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-23 06:40:33,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244214342] [2024-09-23 06:40:33,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:40:33,105 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-23 06:40:33,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:40:33,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-23 06:40:33,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-23 06:40:33,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:33,107 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:40:33,108 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-09-23 06:40:33,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 06:40:33,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:33,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 06:40:33,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:40:33,295 INFO L785 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-09-23 06:40:33,296 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-23 06:40:33,307 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-23 06:40:33,312 INFO L312 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE (1/2) [2024-09-23 06:40:33,315 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 06:40:33,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 06:40:33,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:40:33,341 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-23 06:40:33,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-09-23 06:40:33,346 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 06:40:33,348 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 06:40:33,350 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@147ce6ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 06:40:33,350 INFO L337 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-09-23 06:40:33,353 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-23 06:40:33,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:40:33,354 INFO L85 PathProgramCache]: Analyzing trace with hash 234908, now seen corresponding path program 1 times [2024-09-23 06:40:33,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:40:33,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063148293] [2024-09-23 06:40:33,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:40:33,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:40:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:40:33,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:40:33,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:40:33,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063148293] [2024-09-23 06:40:33,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063148293] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:40:33,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 06:40:33,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-23 06:40:33,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086805473] [2024-09-23 06:40:33,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:40:33,408 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 06:40:33,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:40:33,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 06:40:33,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 06:40:33,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:33,409 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:40:33,410 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2024-09-23 06:40:33,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:33,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 06:40:33,506 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-23 06:40:33,506 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-23 06:40:33,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:40:33,507 INFO L85 PathProgramCache]: Analyzing trace with hash -755904459, now seen corresponding path program 1 times [2024-09-23 06:40:33,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:40:33,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117133861] [2024-09-23 06:40:33,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:40:33,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:40:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:40:33,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:40:33,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:40:33,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117133861] [2024-09-23 06:40:33,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117133861] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:40:33,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 06:40:33,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-23 06:40:33,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457044476] [2024-09-23 06:40:33,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:40:33,625 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-23 06:40:33,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:40:33,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-23 06:40:33,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-23 06:40:33,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:33,627 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:40:33,628 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-09-23 06:40:33,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 06:40:33,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:33,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 06:40:33,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:40:33,705 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-23 06:40:33,705 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-23 06:40:33,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:40:33,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1492099416, now seen corresponding path program 1 times [2024-09-23 06:40:33,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:40:33,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753663852] [2024-09-23 06:40:33,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:40:33,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:40:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:40:33,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:40:33,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:40:33,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753663852] [2024-09-23 06:40:33,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753663852] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:40:33,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 06:40:33,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-23 06:40:33,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598104715] [2024-09-23 06:40:33,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:40:33,753 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 06:40:33,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:40:33,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 06:40:33,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 06:40:33,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:33,754 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:40:33,754 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-09-23 06:40:33,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 06:40:33,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:40:33,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:33,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 06:40:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:40:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 06:40:33,818 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-09-23 06:40:33,819 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 3 remaining) [2024-09-23 06:40:33,819 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-09-23 06:40:33,819 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-23 06:40:33,821 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-09-23 06:40:33,822 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/2) [2024-09-23 06:40:33,822 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 06:40:33,823 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 06:40:33,825 INFO L469 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-09-23 06:40:33,827 INFO L470 ceAbstractionStarter]: WitnessConsidered=1 [2024-09-23 06:40:33,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 06:40:33 BasicIcfg [2024-09-23 06:40:33,829 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 06:40:33,830 INFO L158 Benchmark]: Toolchain (without parser) took 2897.71ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 100.7MB in the beginning and 72.5MB in the end (delta: 28.1MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2024-09-23 06:40:33,831 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 06:40:33,831 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 109.1MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 06:40:33,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.05ms. Allocated memory is still 148.9MB. Free memory was 100.7MB in the beginning and 75.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-23 06:40:33,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.54ms. Allocated memory is still 148.9MB. Free memory was 75.4MB in the beginning and 73.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 06:40:33,832 INFO L158 Benchmark]: Boogie Preprocessor took 51.21ms. Allocated memory is still 148.9MB. Free memory was 73.4MB in the beginning and 118.6MB in the end (delta: -45.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-09-23 06:40:33,832 INFO L158 Benchmark]: RCFGBuilder took 520.59ms. Allocated memory is still 148.9MB. Free memory was 118.6MB in the beginning and 95.2MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-23 06:40:33,832 INFO L158 Benchmark]: TraceAbstraction took 1687.02ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 94.6MB in the beginning and 72.5MB in the end (delta: 22.1MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2024-09-23 06:40:33,834 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 109.1MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 591.05ms. Allocated memory is still 148.9MB. Free memory was 100.7MB in the beginning and 75.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.54ms. Allocated memory is still 148.9MB. Free memory was 75.4MB in the beginning and 73.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.21ms. Allocated memory is still 148.9MB. Free memory was 73.4MB in the beginning and 118.6MB in the end (delta: -45.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * RCFGBuilder took 520.59ms. Allocated memory is still 148.9MB. Free memory was 118.6MB in the beginning and 95.2MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1687.02ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 94.6MB in the beginning and 72.5MB in the end (delta: 22.1MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 270, independent: 245, independent conditional: 63, independent unconditional: 182, dependent: 25, dependent conditional: 13, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 262, independent: 245, independent conditional: 63, independent unconditional: 182, dependent: 17, dependent conditional: 5, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 262, independent: 245, independent conditional: 63, independent unconditional: 182, dependent: 17, dependent conditional: 5, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 267, independent: 245, independent conditional: 63, independent unconditional: 182, dependent: 22, dependent conditional: 10, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 267, independent: 245, independent conditional: 0, independent unconditional: 245, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 267, independent: 245, independent conditional: 0, independent unconditional: 245, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 195, independent: 183, independent conditional: 0, independent unconditional: 183, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 195, independent: 173, independent conditional: 0, independent unconditional: 173, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 22, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 267, independent: 62, independent conditional: 0, independent unconditional: 62, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 195, unknown conditional: 0, unknown unconditional: 195] , Statistics on independence cache: Total cache size (in pairs): 195, Positive cache size: 183, Positive conditional cache size: 0, Positive unconditional cache size: 183, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 73, Maximal queried relation: 1, Independence queries for same thread: 8, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 54, Number of trivial persistent sets: 34, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 194, independent: 182, independent conditional: 0, independent unconditional: 182, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 270, independent: 245, independent conditional: 63, independent unconditional: 182, dependent: 25, dependent conditional: 13, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 262, independent: 245, independent conditional: 63, independent unconditional: 182, dependent: 17, dependent conditional: 5, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 262, independent: 245, independent conditional: 63, independent unconditional: 182, dependent: 17, dependent conditional: 5, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 267, independent: 245, independent conditional: 63, independent unconditional: 182, dependent: 22, dependent conditional: 10, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 267, independent: 245, independent conditional: 0, independent unconditional: 245, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 267, independent: 245, independent conditional: 0, independent unconditional: 245, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 195, independent: 183, independent conditional: 0, independent unconditional: 183, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 195, independent: 173, independent conditional: 0, independent unconditional: 173, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 22, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 267, independent: 62, independent conditional: 0, independent unconditional: 62, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 195, unknown conditional: 0, unknown unconditional: 195] , Statistics on independence cache: Total cache size (in pairs): 195, Positive cache size: 183, Positive conditional cache size: 0, Positive unconditional cache size: 183, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 73, Maximal queried relation: 1, Independence queries for same thread: 8 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 220, independent: 202, independent conditional: 45, independent unconditional: 157, dependent: 18, dependent conditional: 8, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 212, independent: 202, independent conditional: 45, independent unconditional: 157, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 212, independent: 202, independent conditional: 45, independent unconditional: 157, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 212, independent: 202, independent conditional: 45, independent unconditional: 157, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 212, independent: 202, independent conditional: 0, independent unconditional: 202, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 212, independent: 202, independent conditional: 0, independent unconditional: 202, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 167, independent: 157, independent conditional: 0, independent unconditional: 157, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 167, independent: 152, independent conditional: 0, independent unconditional: 152, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 212, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 167, unknown conditional: 0, unknown unconditional: 167] , Statistics on independence cache: Total cache size (in pairs): 167, Positive cache size: 157, Positive conditional cache size: 0, Positive unconditional cache size: 157, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 45, Maximal queried relation: 0, Independence queries for same thread: 8, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 41, Number of trivial persistent sets: 41, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 167, independent: 157, independent conditional: 0, independent unconditional: 157, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 220, independent: 202, independent conditional: 45, independent unconditional: 157, dependent: 18, dependent conditional: 8, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 212, independent: 202, independent conditional: 45, independent unconditional: 157, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 212, independent: 202, independent conditional: 45, independent unconditional: 157, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 212, independent: 202, independent conditional: 45, independent unconditional: 157, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 212, independent: 202, independent conditional: 0, independent unconditional: 202, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 212, independent: 202, independent conditional: 0, independent unconditional: 202, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 167, independent: 157, independent conditional: 0, independent unconditional: 157, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 167, independent: 152, independent conditional: 0, independent unconditional: 152, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 212, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 167, unknown conditional: 0, unknown unconditional: 167] , Statistics on independence cache: Total cache size (in pairs): 167, Positive cache size: 157, Positive conditional cache size: 0, Positive unconditional cache size: 157, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 45, Maximal queried relation: 0, Independence queries for same thread: 8 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 700]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 54 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 54 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 69 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-23 06:40:33,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2024-09-23 06:40:34,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-09-23 06:40:34,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE