./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-simple-queue.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/popl20-simple-queue.wvr.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/weaver/popl20-simple-queue.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/popl20-simple-queue.wvr.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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-24 01:11:22,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-24 01:11:22,820 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-24 01:11:22,825 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-24 01:11:22,825 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-24 01:11:22,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-24 01:11:22,856 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-24 01:11:22,856 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-24 01:11:22,857 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-24 01:11:22,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-24 01:11:22,858 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-24 01:11:22,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-24 01:11:22,859 INFO L153 SettingsManager]: * Use SBE=true [2024-09-24 01:11:22,860 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-24 01:11:22,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-24 01:11:22,860 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-24 01:11:22,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-24 01:11:22,861 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-24 01:11:22,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-24 01:11:22,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-24 01:11:22,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-24 01:11:22,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-24 01:11:22,866 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-24 01:11:22,866 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-24 01:11:22,866 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-24 01:11:22,866 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-24 01:11:22,867 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-24 01:11:22,867 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-24 01:11:22,867 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-24 01:11:22,867 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-24 01:11:22,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-24 01:11:22,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-24 01:11:22,868 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-24 01:11:22,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-24 01:11:22,868 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-24 01:11:22,868 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-24 01:11:22,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-24 01:11:22,869 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-24 01:11:22,870 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-24 01:11:22,870 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-24 01:11:22,870 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-24 01:11:22,871 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-24 01:11:23,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-24 01:11:23,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-24 01:11:23,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-24 01:11:23,140 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-24 01:11:23,140 INFO L274 PluginConnector]: CDTParser initialized [2024-09-24 01:11:23,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-simple-queue.wvr.c [2024-09-24 01:11:24,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-24 01:11:24,646 INFO L384 CDTParser]: Found 1 translation units. [2024-09-24 01:11:24,646 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-queue.wvr.c [2024-09-24 01:11:24,654 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2bcbd478d/db20ad7a4c464a22a28cdd8e0bc7022e/FLAG3b65f360a [2024-09-24 01:11:24,670 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2bcbd478d/db20ad7a4c464a22a28cdd8e0bc7022e [2024-09-24 01:11:24,673 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-24 01:11:24,674 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-24 01:11:24,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-local/popl20-simple-queue.wvr.yml/witness.yml [2024-09-24 01:11:24,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-24 01:11:24,756 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-24 01:11:24,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-24 01:11:24,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-24 01:11:24,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-24 01:11:24,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 01:11:24" (1/2) ... [2024-09-24 01:11:24,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@691e9821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 01:11:24, skipping insertion in model container [2024-09-24 01:11:24,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 01:11:24" (1/2) ... [2024-09-24 01:11:24,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60aa5121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 01:11:24, skipping insertion in model container [2024-09-24 01:11:24,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 01:11:24" (2/2) ... [2024-09-24 01:11:24,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@691e9821 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 01:11:24, skipping insertion in model container [2024-09-24 01:11:24,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 01:11:24" (2/2) ... [2024-09-24 01:11:24,786 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-24 01:11:24,786 INFO L1541 ArrayList]: Location invariant before [L49-L49] (((((((((((2147483648LL + (long long )front) + (long long )n >= 0LL) && ((2147483648LL + (long long )back) + (long long )n >= 0LL)) && ((2147483647LL - (long long )front) + (long long )n >= 0LL)) && ((2147483647LL - (long long )back) + (long long )n >= 0LL)) && ((4294967295LL - (long long )back) + (long long )front >= 0LL)) && ((3221225471LL + (long long )front) - (long long )n >= 0LL)) && ((3221225471LL + (long long )back) - (long long )n >= 0LL)) && ((4294967295LL + (long long )back) - (long long )front >= 0LL)) && ((3221225470LL - (long long )front) - (long long )n >= 0LL)) && ((3221225470LL - (long long )back) - (long long )n >= 0LL)) && ((4294967294LL - (long long )back) - (long long )front >= 0LL) [2024-09-24 01:11:24,786 INFO L1541 ArrayList]: Location invariant before [L61-L61] (((((((((((2147483648LL + (long long )front) + (long long )n >= 0LL) && ((2147483648LL + (long long )back) + (long long )n >= 0LL)) && ((2147483647LL - (long long )front) + (long long )n >= 0LL)) && ((2147483647LL - (long long )back) + (long long )n >= 0LL)) && ((4294967295LL - (long long )back) + (long long )front >= 0LL)) && ((3221225471LL + (long long )front) - (long long )n >= 0LL)) && ((3221225471LL + (long long )back) - (long long )n >= 0LL)) && ((4294967295LL + (long long )back) - (long long )front >= 0LL)) && ((3221225470LL - (long long )front) - (long long )n >= 0LL)) && ((3221225470LL - (long long )back) - (long long )n >= 0LL)) && ((4294967294LL - (long long )back) - (long long )front >= 0LL) [2024-09-24 01:11:24,808 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-24 01:11:25,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-24 01:11:25,015 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local [2024-09-24 01:11:25,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-24 01:11:25,103 INFO L204 MainTranslator]: Completed translation [2024-09-24 01:11:25,103 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 01:11:25 WrapperNode [2024-09-24 01:11:25,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-24 01:11:25,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-24 01:11:25,105 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-24 01:11:25,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-24 01:11:25,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 01:11:25" (1/1) ... [2024-09-24 01:11:25,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 01:11:25" (1/1) ... [2024-09-24 01:11:25,149 INFO L138 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 131 [2024-09-24 01:11:25,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-24 01:11:25,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-24 01:11:25,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-24 01:11:25,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-24 01:11:25,164 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 01:11:25" (1/1) ... [2024-09-24 01:11:25,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 01:11:25" (1/1) ... [2024-09-24 01:11:25,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 01:11:25" (1/1) ... [2024-09-24 01:11:25,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 01:11:25" (1/1) ... [2024-09-24 01:11:25,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 01:11:25" (1/1) ... [2024-09-24 01:11:25,184 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 01:11:25" (1/1) ... [2024-09-24 01:11:25,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 01:11:25" (1/1) ... [2024-09-24 01:11:25,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 01:11:25" (1/1) ... [2024-09-24 01:11:25,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-24 01:11:25,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-24 01:11:25,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-24 01:11:25,193 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-24 01:11:25,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 01:11:25" (1/1) ... [2024-09-24 01:11:25,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-24 01:11:25,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:11:25,228 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) [2024-09-24 01:11:25,230 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 [2024-09-24 01:11:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-24 01:11:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-24 01:11:25,266 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-24 01:11:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-24 01:11:25,266 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-24 01:11:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-24 01:11:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-24 01:11:25,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-24 01:11:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-24 01:11:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-24 01:11:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-24 01:11:25,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-24 01:11:25,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-24 01:11:25,269 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-24 01:11:25,375 INFO L242 CfgBuilder]: Building ICFG [2024-09-24 01:11:25,377 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-24 01:11:25,632 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-24 01:11:25,632 INFO L291 CfgBuilder]: Performing block encoding [2024-09-24 01:11:25,850 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-24 01:11:25,851 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-24 01:11:25,851 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 01:11:25 BoogieIcfgContainer [2024-09-24 01:11:25,851 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-24 01:11:25,853 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-24 01:11:25,854 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-24 01:11:25,857 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-24 01:11:25,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 01:11:24" (1/4) ... [2024-09-24 01:11:25,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b622d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 01:11:25, skipping insertion in model container [2024-09-24 01:11:25,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 01:11:24" (2/4) ... [2024-09-24 01:11:25,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b622d1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 24.09 01:11:25, skipping insertion in model container [2024-09-24 01:11:25,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 01:11:25" (3/4) ... [2024-09-24 01:11:25,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b622d1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 24.09 01:11:25, skipping insertion in model container [2024-09-24 01:11:25,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 01:11:25" (4/4) ... [2024-09-24 01:11:25,862 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-simple-queue.wvr.c [2024-09-24 01:11:25,878 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-24 01:11:25,879 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-09-24 01:11:25,879 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-24 01:11:25,931 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-09-24 01:11:26,007 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 01:11:26,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 01:11:26,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:11:26,018 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) [2024-09-24 01:11:26,019 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 [2024-09-24 01:11:26,075 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 01:11:26,086 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork1 ======== [2024-09-24 01:11:26,092 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;@3b984b8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 01:11:26,092 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-24 01:11:26,182 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:11:26,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:11:26,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1370913582, now seen corresponding path program 1 times [2024-09-24 01:11:26,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:11:26,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277947220] [2024-09-24 01:11:26,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:11:26,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:11:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:11:26,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:26,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:11:26,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277947220] [2024-09-24 01:11:26,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277947220] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 01:11:26,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 01:11:26,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-24 01:11:26,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353851491] [2024-09-24 01:11:26,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 01:11:26,401 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-09-24 01:11:26,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:11:26,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-09-24 01:11:26,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-09-24 01:11:26,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:26,434 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:11:26,435 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2024-09-24 01:11:26,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:26,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:26,481 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-24 01:11:26,482 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:11:26,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:11:26,482 INFO L85 PathProgramCache]: Analyzing trace with hash 449376442, now seen corresponding path program 1 times [2024-09-24 01:11:26,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:11:26,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103011034] [2024-09-24 01:11:26,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:11:26,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:11:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:11:26,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:26,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:11:26,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103011034] [2024-09-24 01:11:26,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103011034] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 01:11:26,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 01:11:26,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-24 01:11:26,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455590303] [2024-09-24 01:11:26,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 01:11:26,962 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 01:11:26,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:11:26,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 01:11:26,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-24 01:11:26,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:26,965 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:11:26,965 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-09-24 01:11:26,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:26,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:27,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:27,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:11:27,032 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-24 01:11:27,032 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:11:27,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:11:27,033 INFO L85 PathProgramCache]: Analyzing trace with hash 455258501, now seen corresponding path program 1 times [2024-09-24 01:11:27,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:11:27,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950194798] [2024-09-24 01:11:27,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:11:27,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:11:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:11:27,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:27,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:11:27,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950194798] [2024-09-24 01:11:27,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950194798] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:11:27,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873062072] [2024-09-24 01:11:27,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:11:27,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:11:27,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:11:27,395 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:11:27,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-24 01:11:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:11:27,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-09-24 01:11:27,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:11:27,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:27,766 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-24 01:11:28,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:28,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873062072] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-24 01:11:28,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-24 01:11:28,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 9 [2024-09-24 01:11:28,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741292955] [2024-09-24 01:11:28,371 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-24 01:11:28,372 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-24 01:11:28,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:11:28,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-24 01:11:28,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-09-24 01:11:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:28,373 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:11:28,374 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 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) [2024-09-24 01:11:28,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:28,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:11:28,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:28,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:28,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:11:28,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 01:11:28,672 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-24 01:11:28,859 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-09-24 01:11:28,860 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:11:28,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:11:28,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1640967012, now seen corresponding path program 1 times [2024-09-24 01:11:28,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:11:28,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717408942] [2024-09-24 01:11:28,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:11:28,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:11:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:11:29,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:29,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:11:29,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717408942] [2024-09-24 01:11:29,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717408942] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:11:29,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802468732] [2024-09-24 01:11:29,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:11:29,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:11:29,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:11:29,114 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:11:29,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-24 01:11:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:11:29,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-09-24 01:11:29,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:11:29,398 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:29,399 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-24 01:11:29,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:29,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802468732] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-24 01:11:29,769 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-24 01:11:29,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 14 [2024-09-24 01:11:29,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065773319] [2024-09-24 01:11:29,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-24 01:11:29,770 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-09-24 01:11:29,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:11:29,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-09-24 01:11:29,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-09-24 01:11:29,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:29,772 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:11:29,772 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 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) [2024-09-24 01:11:29,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:29,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:11:29,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 01:11:29,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:30,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:30,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:11:30,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 01:11:30,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:11:30,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-24 01:11:30,363 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:11:30,363 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:11:30,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:11:30,364 INFO L85 PathProgramCache]: Analyzing trace with hash -937271079, now seen corresponding path program 1 times [2024-09-24 01:11:30,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:11:30,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681923257] [2024-09-24 01:11:30,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:11:30,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:11:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:11:30,788 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:30,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:11:30,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681923257] [2024-09-24 01:11:30,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681923257] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:11:30,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064139448] [2024-09-24 01:11:30,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:11:30,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:11:30,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:11:30,791 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:11:30,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-24 01:11:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:11:30,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-09-24 01:11:30,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:11:31,170 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:31,171 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-24 01:11:31,795 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:31,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064139448] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-24 01:11:31,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-24 01:11:31,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 23 [2024-09-24 01:11:31,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348644617] [2024-09-24 01:11:31,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-24 01:11:31,796 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-09-24 01:11:31,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:11:31,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-09-24 01:11:31,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2024-09-24 01:11:31,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:31,798 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:11:31,798 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 24 states have internal predecessors, (61), 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) [2024-09-24 01:11:31,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:31,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:11:31,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 01:11:31,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:11:31,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:11:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 01:11:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:11:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-24 01:11:32,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-24 01:11:32,661 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:11:32,662 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:11:32,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:11:32,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1663121420, now seen corresponding path program 2 times [2024-09-24 01:11:32,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:11:32,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646176172] [2024-09-24 01:11:32,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:11:32,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:11:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:11:33,221 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:33,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:11:33,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646176172] [2024-09-24 01:11:33,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646176172] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:11:33,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960971618] [2024-09-24 01:11:33,222 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-24 01:11:33,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:11:33,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:11:33,224 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:11:33,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-24 01:11:33,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-24 01:11:33,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-24 01:11:33,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-09-24 01:11:33,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:11:33,490 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-09-24 01:11:33,490 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-24 01:11:33,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960971618] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 01:11:33,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-24 01:11:33,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 13 [2024-09-24 01:11:33,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640830145] [2024-09-24 01:11:33,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 01:11:33,491 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 01:11:33,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:11:33,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 01:11:33,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-09-24 01:11:33,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:33,492 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:11:33,492 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-09-24 01:11:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:11:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 01:11:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:11:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-24 01:11:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:34,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:34,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:11:34,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 01:11:34,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 01:11:34,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-24 01:11:34,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:11:34,075 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 1 remaining) [2024-09-24 01:11:34,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-24 01:11:34,278 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-09-24 01:11:34,284 INFO L408 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2024-09-24 01:11:34,287 INFO L312 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork1 was SAFE (1/3) [2024-09-24 01:11:34,289 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 01:11:34,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 01:11:34,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:11:34,292 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-24 01:11:34,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2024-09-24 01:11:34,296 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 01:11:34,297 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ======== [2024-09-24 01:11:34,297 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;@3b984b8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 01:11:34,297 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-24 01:11:34,344 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:11:34,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:11:34,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1949513221, now seen corresponding path program 1 times [2024-09-24 01:11:34,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:11:34,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992872721] [2024-09-24 01:11:34,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:11:34,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:11:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:11:34,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:34,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:11:34,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992872721] [2024-09-24 01:11:34,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992872721] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 01:11:34,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 01:11:34,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-24 01:11:34,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830657990] [2024-09-24 01:11:34,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 01:11:34,485 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 01:11:34,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:11:34,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 01:11:34,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-24 01:11:34,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:34,486 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:11:34,486 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-09-24 01:11:34,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:34,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:11:34,511 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-24 01:11:34,511 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:11:34,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:11:34,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1148513200, now seen corresponding path program 1 times [2024-09-24 01:11:34,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:11:34,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082030911] [2024-09-24 01:11:34,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:11:34,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:11:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:11:34,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:34,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:11:34,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082030911] [2024-09-24 01:11:34,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082030911] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:11:34,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068616139] [2024-09-24 01:11:34,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:11:34,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:11:34,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:11:34,674 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:11:34,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-24 01:11:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:11:34,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-09-24 01:11:34,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:11:34,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:34,853 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-24 01:11:35,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:35,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068616139] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-24 01:11:35,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-24 01:11:35,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 9 [2024-09-24 01:11:35,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593079767] [2024-09-24 01:11:35,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-24 01:11:35,198 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-24 01:11:35,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:11:35,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-24 01:11:35,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-09-24 01:11:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:35,199 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:11:35,199 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 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) [2024-09-24 01:11:35,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:11:35,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:35,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:11:35,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 01:11:35,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-24 01:11:35,565 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-09-24 01:11:35,566 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:11:35,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:11:35,566 INFO L85 PathProgramCache]: Analyzing trace with hash -731129856, now seen corresponding path program 1 times [2024-09-24 01:11:35,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:11:35,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559076186] [2024-09-24 01:11:35,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:11:35,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:11:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:11:35,775 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:35,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:11:35,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559076186] [2024-09-24 01:11:35,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559076186] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:11:35,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157546730] [2024-09-24 01:11:35,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:11:35,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:11:35,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:11:35,778 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:11:35,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-24 01:11:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:11:35,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-09-24 01:11:35,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:11:35,993 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:35,993 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-24 01:11:36,313 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:36,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157546730] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-24 01:11:36,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-24 01:11:36,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-09-24 01:11:36,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546157236] [2024-09-24 01:11:36,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-24 01:11:36,314 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-09-24 01:11:36,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:11:36,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-09-24 01:11:36,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2024-09-24 01:11:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:36,315 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:11:36,315 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 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) [2024-09-24 01:11:36,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:11:36,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 01:11:36,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:36,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:11:36,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 01:11:36,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:11:36,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-24 01:11:36,754 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:11:36,755 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:11:36,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:11:36,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1935136786, now seen corresponding path program 2 times [2024-09-24 01:11:36,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:11:36,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160516327] [2024-09-24 01:11:36,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:11:36,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:11:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:11:37,087 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:37,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:11:37,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160516327] [2024-09-24 01:11:37,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160516327] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:11:37,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581173507] [2024-09-24 01:11:37,088 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-24 01:11:37,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:11:37,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:11:37,090 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:11:37,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-24 01:11:37,161 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-24 01:11:37,161 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-24 01:11:37,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-09-24 01:11:37,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:11:37,444 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:37,444 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-24 01:11:37,990 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:37,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581173507] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-24 01:11:37,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-24 01:11:37,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 21 [2024-09-24 01:11:37,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208059782] [2024-09-24 01:11:37,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-24 01:11:37,994 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-09-24 01:11:37,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:11:37,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-09-24 01:11:37,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2024-09-24 01:11:37,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:37,995 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:11:37,995 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 3.1363636363636362) internal successors, (69), 22 states have internal predecessors, (69), 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) [2024-09-24 01:11:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:11:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 01:11:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:11:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:38,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:11:38,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 01:11:38,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:11:38,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-24 01:11:38,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-09-24 01:11:38,700 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-09-24 01:11:38,701 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:11:38,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:11:38,701 INFO L85 PathProgramCache]: Analyzing trace with hash 946943680, now seen corresponding path program 3 times [2024-09-24 01:11:38,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:11:38,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476800253] [2024-09-24 01:11:38,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:11:38,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:11:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:11:39,121 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:11:39,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:11:39,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476800253] [2024-09-24 01:11:39,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476800253] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:11:39,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148514127] [2024-09-24 01:11:39,122 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-24 01:11:39,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:11:39,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:11:39,124 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:11:39,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-24 01:11:39,203 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-09-24 01:11:39,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-24 01:11:39,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-09-24 01:11:39,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:11:39,396 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-09-24 01:11:39,396 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-24 01:11:39,702 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-09-24 01:11:39,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148514127] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-24 01:11:39,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-24 01:11:39,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 3, 3] total 15 [2024-09-24 01:11:39,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30687445] [2024-09-24 01:11:39,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-24 01:11:39,703 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-24 01:11:39,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:11:39,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-24 01:11:39,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2024-09-24 01:11:39,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:39,704 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:11:39,704 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.1875) internal successors, (67), 16 states have internal predecessors, (67), 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) [2024-09-24 01:11:39,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:11:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 01:11:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:11:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-24 01:11:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:11:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:11:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 01:11:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 01:11:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-24 01:11:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-24 01:11:41,147 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 1 remaining) [2024-09-24 01:11:41,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-09-24 01:11:41,347 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-09-24 01:11:41,350 INFO L408 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2024-09-24 01:11:41,350 INFO L312 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE (2/3) [2024-09-24 01:11:41,352 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 01:11:41,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 01:11:41,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:11:41,355 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-24 01:11:41,358 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 01:11:41,359 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-24 01:11:41,359 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;@3b984b8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 01:11:41,359 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-24 01:11:41,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Waiting until timeout for monitored process [2024-09-24 01:11:41,392 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-09-24 01:11:41,392 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-09-24 01:11:41,393 INFO L408 BasicCegarLoop]: Path program histogram: [] [2024-09-24 01:11:41,395 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (3/3) [2024-09-24 01:11:41,395 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-24 01:11:41,395 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-24 01:11:41,398 INFO L469 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-09-24 01:11:41,399 INFO L470 ceAbstractionStarter]: WitnessConsidered=2 [2024-09-24 01:11:41,400 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 01:11:41 BasicIcfg [2024-09-24 01:11:41,400 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-24 01:11:41,401 INFO L158 Benchmark]: Toolchain (without parser) took 16646.63ms. Allocated memory was 167.8MB in the beginning and 373.3MB in the end (delta: 205.5MB). Free memory was 103.5MB in the beginning and 194.6MB in the end (delta: -91.1MB). Peak memory consumption was 114.4MB. Max. memory is 16.1GB. [2024-09-24 01:11:41,401 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-24 01:11:41,401 INFO L158 Benchmark]: Witness Parser took 1.43ms. Allocated memory is still 167.8MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-24 01:11:41,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.28ms. Allocated memory is still 167.8MB. Free memory was 103.5MB in the beginning and 133.1MB in the end (delta: -29.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-24 01:11:41,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.87ms. Allocated memory is still 167.8MB. Free memory was 133.1MB in the beginning and 131.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-24 01:11:41,402 INFO L158 Benchmark]: Boogie Preprocessor took 42.43ms. Allocated memory is still 167.8MB. Free memory was 131.0MB in the beginning and 129.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-24 01:11:41,403 INFO L158 Benchmark]: RCFGBuilder took 658.76ms. Allocated memory is still 167.8MB. Free memory was 128.9MB in the beginning and 84.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-24 01:11:41,406 INFO L158 Benchmark]: TraceAbstraction took 15547.08ms. Allocated memory was 167.8MB in the beginning and 373.3MB in the end (delta: 205.5MB). Free memory was 84.2MB in the beginning and 194.6MB in the end (delta: -110.4MB). Peak memory consumption was 97.2MB. Max. memory is 16.1GB. [2024-09-24 01:11:41,407 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.43ms. Allocated memory is still 167.8MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.28ms. Allocated memory is still 167.8MB. Free memory was 103.5MB in the beginning and 133.1MB in the end (delta: -29.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.87ms. Allocated memory is still 167.8MB. Free memory was 133.1MB in the beginning and 131.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.43ms. Allocated memory is still 167.8MB. Free memory was 131.0MB in the beginning and 129.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 658.76ms. Allocated memory is still 167.8MB. Free memory was 128.9MB in the beginning and 84.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 15547.08ms. Allocated memory was 167.8MB in the beginning and 373.3MB in the end (delta: 205.5MB). Free memory was 84.2MB in the beginning and 194.6MB in the end (delta: -110.4MB). Peak memory consumption was 97.2MB. 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: 2151, independent: 1580, independent conditional: 1253, independent unconditional: 327, dependent: 571, dependent conditional: 567, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1600, independent: 1580, independent conditional: 1253, independent unconditional: 327, dependent: 20, dependent conditional: 16, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1600, independent: 1580, independent conditional: 1253, independent unconditional: 327, dependent: 20, dependent conditional: 16, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1692, independent: 1580, independent conditional: 1253, independent unconditional: 327, dependent: 112, dependent conditional: 108, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1692, independent: 1580, independent conditional: 42, independent unconditional: 1538, dependent: 112, dependent conditional: 50, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1692, independent: 1580, independent conditional: 42, independent unconditional: 1538, dependent: 112, dependent conditional: 50, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 285, independent: 273, independent conditional: 6, independent unconditional: 267, dependent: 12, dependent conditional: 7, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 285, independent: 263, independent conditional: 0, independent unconditional: 263, 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: 6, independent unconditional: 4, dependent: 12, dependent conditional: 7, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, independent: 10, independent conditional: 6, independent unconditional: 4, dependent: 12, dependent conditional: 7, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 163, independent: 90, independent conditional: 34, independent unconditional: 55, dependent: 73, dependent conditional: 46, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1692, independent: 1307, independent conditional: 36, independent unconditional: 1271, dependent: 100, dependent conditional: 43, dependent unconditional: 57, unknown: 285, unknown conditional: 13, unknown unconditional: 272] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 273, Positive conditional cache size: 6, Positive unconditional cache size: 267, Negative cache size: 12, Negative conditional cache size: 7, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1269, Maximal queried relation: 4, Independence queries for same thread: 551, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 60, Number of trivial persistent sets: 50, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 331, independent: 327, independent conditional: 0, independent unconditional: 327, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2151, independent: 1580, independent conditional: 1253, independent unconditional: 327, dependent: 571, dependent conditional: 567, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1600, independent: 1580, independent conditional: 1253, independent unconditional: 327, dependent: 20, dependent conditional: 16, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1600, independent: 1580, independent conditional: 1253, independent unconditional: 327, dependent: 20, dependent conditional: 16, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1692, independent: 1580, independent conditional: 1253, independent unconditional: 327, dependent: 112, dependent conditional: 108, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1692, independent: 1580, independent conditional: 42, independent unconditional: 1538, dependent: 112, dependent conditional: 50, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1692, independent: 1580, independent conditional: 42, independent unconditional: 1538, dependent: 112, dependent conditional: 50, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 285, independent: 273, independent conditional: 6, independent unconditional: 267, dependent: 12, dependent conditional: 7, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 285, independent: 263, independent conditional: 0, independent unconditional: 263, 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: 6, independent unconditional: 4, dependent: 12, dependent conditional: 7, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, independent: 10, independent conditional: 6, independent unconditional: 4, dependent: 12, dependent conditional: 7, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 163, independent: 90, independent conditional: 34, independent unconditional: 55, dependent: 73, dependent conditional: 46, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1692, independent: 1307, independent conditional: 36, independent unconditional: 1271, dependent: 100, dependent conditional: 43, dependent unconditional: 57, unknown: 285, unknown conditional: 13, unknown unconditional: 272] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 273, Positive conditional cache size: 6, Positive unconditional cache size: 267, Negative cache size: 12, Negative conditional cache size: 7, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1269, Maximal queried relation: 4, Independence queries for same thread: 551 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3365, independent: 2405, independent conditional: 2050, independent unconditional: 355, dependent: 960, dependent conditional: 956, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2435, independent: 2405, independent conditional: 2050, independent unconditional: 355, dependent: 30, dependent conditional: 26, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2435, independent: 2405, independent conditional: 2050, independent unconditional: 355, dependent: 30, dependent conditional: 26, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2565, independent: 2405, independent conditional: 2050, independent unconditional: 355, dependent: 160, dependent conditional: 156, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2565, independent: 2405, independent conditional: 60, independent unconditional: 2345, dependent: 160, dependent conditional: 70, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2565, independent: 2405, independent conditional: 60, independent unconditional: 2345, dependent: 160, dependent conditional: 70, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 306, independent: 291, independent conditional: 12, independent unconditional: 279, dependent: 15, dependent conditional: 10, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 306, independent: 275, independent conditional: 0, independent unconditional: 275, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 16, independent conditional: 12, independent unconditional: 4, dependent: 15, dependent conditional: 10, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 16, independent conditional: 12, independent unconditional: 4, dependent: 15, dependent conditional: 10, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, independent: 92, independent conditional: 56, independent unconditional: 37, dependent: 67, dependent conditional: 51, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2565, independent: 2114, independent conditional: 48, independent unconditional: 2066, dependent: 145, dependent conditional: 60, dependent unconditional: 85, unknown: 306, unknown conditional: 22, unknown unconditional: 284] , Statistics on independence cache: Total cache size (in pairs): 306, Positive cache size: 291, Positive conditional cache size: 12, Positive unconditional cache size: 279, Negative cache size: 15, Negative conditional cache size: 10, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2076, Maximal queried relation: 4, Independence queries for same thread: 930, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 58, Number of trivial persistent sets: 51, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 359, independent: 355, independent conditional: 0, independent unconditional: 355, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3365, independent: 2405, independent conditional: 2050, independent unconditional: 355, dependent: 960, dependent conditional: 956, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2435, independent: 2405, independent conditional: 2050, independent unconditional: 355, dependent: 30, dependent conditional: 26, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2435, independent: 2405, independent conditional: 2050, independent unconditional: 355, dependent: 30, dependent conditional: 26, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2565, independent: 2405, independent conditional: 2050, independent unconditional: 355, dependent: 160, dependent conditional: 156, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2565, independent: 2405, independent conditional: 60, independent unconditional: 2345, dependent: 160, dependent conditional: 70, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2565, independent: 2405, independent conditional: 60, independent unconditional: 2345, dependent: 160, dependent conditional: 70, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 306, independent: 291, independent conditional: 12, independent unconditional: 279, dependent: 15, dependent conditional: 10, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 306, independent: 275, independent conditional: 0, independent unconditional: 275, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 16, independent conditional: 12, independent unconditional: 4, dependent: 15, dependent conditional: 10, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 16, independent conditional: 12, independent unconditional: 4, dependent: 15, dependent conditional: 10, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, independent: 92, independent conditional: 56, independent unconditional: 37, dependent: 67, dependent conditional: 51, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2565, independent: 2114, independent conditional: 48, independent unconditional: 2066, dependent: 145, dependent conditional: 60, dependent unconditional: 85, unknown: 306, unknown conditional: 22, unknown unconditional: 284] , Statistics on independence cache: Total cache size (in pairs): 306, Positive cache size: 291, Positive conditional cache size: 12, Positive unconditional cache size: 279, Negative cache size: 15, Negative conditional cache size: 10, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2076, Maximal queried relation: 4, Independence queries for same thread: 930 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 117, independent: 112, independent conditional: 5, independent unconditional: 107, dependent: 5, dependent conditional: 3, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 114, independent: 112, independent conditional: 5, independent unconditional: 107, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 114, independent: 112, independent conditional: 5, independent unconditional: 107, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 114, independent: 112, independent conditional: 5, independent unconditional: 107, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 114, independent: 112, independent conditional: 0, independent unconditional: 112, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 114, independent: 112, independent conditional: 0, independent unconditional: 112, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 109, independent: 107, independent conditional: 0, independent unconditional: 107, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 109, independent: 106, independent conditional: 0, independent unconditional: 106, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 114, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 109, unknown conditional: 0, unknown unconditional: 109] , Statistics on independence cache: Total cache size (in pairs): 109, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5, Maximal queried relation: 0, Independence queries for same thread: 3, Persistent sets #1 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 7, Number of trivial persistent sets: 5, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 109, independent: 107, independent conditional: 0, independent unconditional: 107, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 117, independent: 112, independent conditional: 5, independent unconditional: 107, dependent: 5, dependent conditional: 3, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 114, independent: 112, independent conditional: 5, independent unconditional: 107, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 114, independent: 112, independent conditional: 5, independent unconditional: 107, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 114, independent: 112, independent conditional: 5, independent unconditional: 107, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 114, independent: 112, independent conditional: 0, independent unconditional: 112, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 114, independent: 112, independent conditional: 0, independent unconditional: 112, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 109, independent: 107, independent conditional: 0, independent unconditional: 107, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 109, independent: 106, independent conditional: 0, independent unconditional: 106, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 114, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 109, unknown conditional: 0, unknown unconditional: 109] , Statistics on independence cache: Total cache size (in pairs): 109, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5, Maximal queried relation: 0, Independence queries for same thread: 3 - PositiveResult [Line: 61]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 49]: 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: thread2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 40 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 2.1s, 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: 39, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 199 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 241 ConstructedInterpolants, 0 QuantifiedInterpolants, 4987 SizeOfPredicates, 5 NumberOfNonLiveVariables, 551 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 40/104 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: thread1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 40 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 2.4s, 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: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 173 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 241 ConstructedInterpolants, 0 QuantifiedInterpolants, 5475 SizeOfPredicates, 6 NumberOfNonLiveVariables, 554 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 43/150 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 5 procedures, 40 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, 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=0occurred 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-24 01:11:41,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Ended with exit code 0 [2024-09-24 01:11:41,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Forceful destruction successful, exit code 0 [2024-09-24 01:11:41,843 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 [2024-09-24 01:11:42,044 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