./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.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/protection-local/popl20-more-buffer-mult2.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-more-buffer-mult2.wvr.c ./goblint.2024-09-02_08-21-23.files/protection-local/popl20-more-buffer-mult2.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 12:52:18,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-24 12:52:18,401 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-24 12:52:18,406 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-24 12:52:18,407 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-24 12:52:18,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-24 12:52:18,430 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-24 12:52:18,430 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-24 12:52:18,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-24 12:52:18,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-24 12:52:18,432 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-24 12:52:18,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-24 12:52:18,432 INFO L153 SettingsManager]: * Use SBE=true [2024-09-24 12:52:18,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-24 12:52:18,433 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-24 12:52:18,433 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-24 12:52:18,433 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-24 12:52:18,433 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-24 12:52:18,434 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-24 12:52:18,434 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-24 12:52:18,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-24 12:52:18,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-24 12:52:18,437 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-24 12:52:18,437 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-24 12:52:18,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-24 12:52:18,438 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-24 12:52:18,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-24 12:52:18,438 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-24 12:52:18,438 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-24 12:52:18,438 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-24 12:52:18,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-24 12:52:18,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-24 12:52:18,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-24 12:52:18,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-24 12:52:18,439 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-24 12:52:18,439 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-24 12:52:18,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-24 12:52:18,440 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-24 12:52:18,440 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-24 12:52:18,440 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-24 12:52:18,440 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-24 12:52:18,442 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-24 12:52:18,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-24 12:52:18,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-24 12:52:18,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-24 12:52:18,648 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-24 12:52:18,649 INFO L274 PluginConnector]: CDTParser initialized [2024-09-24 12:52:18,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2024-09-24 12:52:19,828 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-24 12:52:19,961 INFO L384 CDTParser]: Found 1 translation units. [2024-09-24 12:52:19,961 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2024-09-24 12:52:19,967 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/579d6044f/216c6b557ad84afdaff27ad0fcbf7431/FLAG5a3b5b650 [2024-09-24 12:52:20,383 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/579d6044f/216c6b557ad84afdaff27ad0fcbf7431 [2024-09-24 12:52:20,385 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-24 12:52:20,386 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-24 12:52:20,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-local/popl20-more-buffer-mult2.wvr.yml/witness.yml [2024-09-24 12:52:20,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-24 12:52:20,445 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-24 12:52:20,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-24 12:52:20,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-24 12:52:20,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-24 12:52:20,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 12:52:20" (1/2) ... [2024-09-24 12:52:20,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4876216f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:52:20, skipping insertion in model container [2024-09-24 12:52:20,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 12:52:20" (1/2) ... [2024-09-24 12:52:20,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57167607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:52:20, skipping insertion in model container [2024-09-24 12:52:20,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 12:52:20" (2/2) ... [2024-09-24 12:52:20,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4876216f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 12:52:20, skipping insertion in model container [2024-09-24 12:52:20,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 12:52:20" (2/2) ... [2024-09-24 12:52:20,479 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-24 12:52:20,479 INFO L1541 ArrayList]: Location invariant before [L91-L91] (0 <= i) && (0 <= j) [2024-09-24 12:52:20,479 INFO L1541 ArrayList]: Location invariant before [L59-L59] (0 <= i) && (0 <= j) [2024-09-24 12:52:20,479 INFO L1541 ArrayList]: Location invariant before [L49-L49] (0 <= i) && (0 <= j) [2024-09-24 12:52:20,479 INFO L1541 ArrayList]: Location invariant before [L53-L53] (0 <= i) && (0 <= j) [2024-09-24 12:52:20,480 INFO L1541 ArrayList]: Location invariant before [L68-L68] (0 <= i) && (0 <= j) [2024-09-24 12:52:20,480 INFO L1541 ArrayList]: Location invariant before [L87-L87] (0 <= i) && (0 <= j) [2024-09-24 12:52:20,480 INFO L1541 ArrayList]: Location invariant before [L109-L109] (0 <= i) && (0 <= j) [2024-09-24 12:52:20,480 INFO L1541 ArrayList]: Location invariant before [L96-L96] (0 <= i) && (0 <= j) [2024-09-24 12:52:20,481 INFO L1541 ArrayList]: Location invariant before [L78-L78] (0 <= i) && (0 <= j) [2024-09-24 12:52:20,481 INFO L1541 ArrayList]: Location invariant before [L114-L114] (0 <= i) && (0 <= j) [2024-09-24 12:52:20,481 INFO L1541 ArrayList]: Location invariant before [L105-L105] (0 <= i) && (0 <= j) [2024-09-24 12:52:20,481 INFO L1541 ArrayList]: Location invariant before [L72-L72] (0 <= i) && (0 <= j) [2024-09-24 12:52:20,499 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-24 12:52:20,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-24 12:52:20,700 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-24 12:52:20,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-24 12:52:20,762 INFO L204 MainTranslator]: Completed translation [2024-09-24 12:52:20,763 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 12:52:20 WrapperNode [2024-09-24 12:52:20,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-24 12:52:20,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-24 12:52:20,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-24 12:52:20,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-24 12:52:20,768 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 12:52:20" (1/1) ... [2024-09-24 12:52:20,778 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 12:52:20" (1/1) ... [2024-09-24 12:52:20,800 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 19, calls inlined = 23, statements flattened = 318 [2024-09-24 12:52:20,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-24 12:52:20,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-24 12:52:20,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-24 12:52:20,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-24 12:52:20,808 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 12:52:20" (1/1) ... [2024-09-24 12:52:20,808 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 12:52:20" (1/1) ... [2024-09-24 12:52:20,812 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 12:52:20" (1/1) ... [2024-09-24 12:52:20,812 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 12:52:20" (1/1) ... [2024-09-24 12:52:20,822 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 12:52:20" (1/1) ... [2024-09-24 12:52:20,825 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 12:52:20" (1/1) ... [2024-09-24 12:52:20,827 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 12:52:20" (1/1) ... [2024-09-24 12:52:20,828 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 12:52:20" (1/1) ... [2024-09-24 12:52:20,831 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-24 12:52:20,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-24 12:52:20,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-24 12:52:20,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-24 12:52:20,832 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 12:52:20" (1/1) ... [2024-09-24 12:52:20,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-24 12:52:20,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 12:52:20,852 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 12:52:20,854 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 12:52:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-24 12:52:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-24 12:52:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-24 12:52:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-24 12:52:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-24 12:52:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-24 12:52:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-24 12:52:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-24 12:52:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-24 12:52:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-09-24 12:52:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-09-24 12:52:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-24 12:52:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-24 12:52:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-24 12:52:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-24 12:52:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-24 12:52:20,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-24 12:52:20,890 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 12:52:20,984 INFO L242 CfgBuilder]: Building ICFG [2024-09-24 12:52:20,985 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-24 12:52:21,310 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-24 12:52:21,311 INFO L291 CfgBuilder]: Performing block encoding [2024-09-24 12:52:21,605 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-24 12:52:21,605 INFO L318 CfgBuilder]: Removed 6 assume(true) statements. [2024-09-24 12:52:21,606 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 12:52:21 BoogieIcfgContainer [2024-09-24 12:52:21,606 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-24 12:52:21,608 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-24 12:52:21,608 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-24 12:52:21,611 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-24 12:52:21,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 12:52:20" (1/4) ... [2024-09-24 12:52:21,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d81eb9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 12:52:21, skipping insertion in model container [2024-09-24 12:52:21,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 12:52:20" (2/4) ... [2024-09-24 12:52:21,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d81eb9d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 24.09 12:52:21, skipping insertion in model container [2024-09-24 12:52:21,612 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 12:52:20" (3/4) ... [2024-09-24 12:52:21,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d81eb9d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 24.09 12:52:21, skipping insertion in model container [2024-09-24 12:52:21,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 12:52:21" (4/4) ... [2024-09-24 12:52:21,614 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult2.wvr.c [2024-09-24 12:52:21,626 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-24 12:52:21,627 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-09-24 12:52:21,627 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-24 12:52:21,664 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-09-24 12:52:21,695 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 12:52:21,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 12:52:21,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 12:52:21,697 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 12:52:21,698 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 12:52:21,724 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 12:52:21,736 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork3 ======== [2024-09-24 12:52:21,742 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;@4c24dc93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 12:52:21,742 INFO L337 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-09-24 12:52:21,843 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 12:52:21,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 12:52:21,847 INFO L85 PathProgramCache]: Analyzing trace with hash 2086613701, now seen corresponding path program 1 times [2024-09-24 12:52:21,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 12:52:21,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093573108] [2024-09-24 12:52:21,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 12:52:21,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 12:52:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 12:52:22,142 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 12:52:22,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 12:52:22,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093573108] [2024-09-24 12:52:22,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093573108] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 12:52:22,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 12:52:22,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-24 12:52:22,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651005636] [2024-09-24 12:52:22,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 12:52:22,149 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 12:52:22,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 12:52:22,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 12:52:22,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 12:52:22,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:22,168 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 12:52:22,169 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 12:52:22,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:22,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:52:22,363 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-24 12:52:22,363 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 12:52:22,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 12:52:22,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1407725050, now seen corresponding path program 1 times [2024-09-24 12:52:22,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 12:52:22,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665442146] [2024-09-24 12:52:22,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 12:52:22,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 12:52:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 12:52:22,504 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 12:52:22,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 12:52:22,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665442146] [2024-09-24 12:52:22,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665442146] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 12:52:22,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 12:52:22,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 12:52:22,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562344231] [2024-09-24 12:52:22,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 12:52:22,506 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 12:52:22,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 12:52:22,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 12:52:22,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-24 12:52:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:22,508 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 12:52:22,509 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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 12:52:22,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:52:22,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:22,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:52:22,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 12:52:22,600 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-24 12:52:22,600 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 12:52:22,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 12:52:22,600 INFO L85 PathProgramCache]: Analyzing trace with hash -689772825, now seen corresponding path program 1 times [2024-09-24 12:52:22,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 12:52:22,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450334331] [2024-09-24 12:52:22,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 12:52:22,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 12:52:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 12:52:22,686 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 12:52:22,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 12:52:22,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450334331] [2024-09-24 12:52:22,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450334331] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 12:52:22,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 12:52:22,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 12:52:22,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544248069] [2024-09-24 12:52:22,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 12:52:22,687 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 12:52:22,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 12:52:22,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 12:52:22,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-24 12:52:22,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:22,688 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 12:52:22,688 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 12:52:22,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:52:22,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 12:52:22,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:23,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:52:23,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 12:52:23,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 12:52:23,889 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 3 remaining) [2024-09-24 12:52:23,890 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 3 remaining) [2024-09-24 12:52:23,890 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 3 remaining) [2024-09-24 12:52:23,891 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-24 12:52:23,898 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-09-24 12:52:23,900 INFO L312 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork3 was SAFE,SAFE,SAFE (1/5) [2024-09-24 12:52:23,903 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 12:52:23,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 12:52:23,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 12:52:23,906 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-24 12:52:23,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-09-24 12:52:23,910 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 12:52:23,910 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork2 ======== [2024-09-24 12:52:23,911 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;@4c24dc93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 12:52:23,911 INFO L337 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-09-24 12:52:23,952 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 12:52:23,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 12:52:23,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1530399853, now seen corresponding path program 1 times [2024-09-24 12:52:23,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 12:52:23,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455329132] [2024-09-24 12:52:23,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 12:52:23,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 12:52:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 12:52:24,012 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 12:52:24,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 12:52:24,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455329132] [2024-09-24 12:52:24,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455329132] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 12:52:24,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 12:52:24,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-24 12:52:24,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475076684] [2024-09-24 12:52:24,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 12:52:24,013 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 12:52:24,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 12:52:24,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 12:52:24,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 12:52:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:24,013 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 12:52:24,014 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 12:52:24,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:24,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:52:24,126 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-24 12:52:24,126 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 12:52:24,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 12:52:24,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1508947114, now seen corresponding path program 1 times [2024-09-24 12:52:24,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 12:52:24,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015803567] [2024-09-24 12:52:24,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 12:52:24,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 12:52:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 12:52:24,210 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 12:52:24,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 12:52:24,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015803567] [2024-09-24 12:52:24,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015803567] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 12:52:24,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 12:52:24,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 12:52:24,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933900724] [2024-09-24 12:52:24,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 12:52:24,211 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 12:52:24,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 12:52:24,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 12:52:24,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-24 12:52:24,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:24,212 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 12:52:24,212 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 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 12:52:24,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:52:24,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:24,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:52:24,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 12:52:24,291 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-24 12:52:24,291 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 12:52:24,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 12:52:24,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1299476747, now seen corresponding path program 1 times [2024-09-24 12:52:24,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 12:52:24,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345518101] [2024-09-24 12:52:24,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 12:52:24,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 12:52:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 12:52:24,402 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 12:52:24,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 12:52:24,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345518101] [2024-09-24 12:52:24,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345518101] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 12:52:24,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 12:52:24,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-24 12:52:24,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788454872] [2024-09-24 12:52:24,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 12:52:24,403 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 12:52:24,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 12:52:24,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 12:52:24,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-24 12:52:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:24,404 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 12:52:24,404 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 12:52:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:52:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 12:52:24,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:25,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:52:25,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 12:52:25,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 12:52:25,498 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 3 remaining) [2024-09-24 12:52:25,498 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 3 remaining) [2024-09-24 12:52:25,498 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 3 remaining) [2024-09-24 12:52:25,498 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-24 12:52:25,501 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-09-24 12:52:25,501 INFO L312 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork2 was SAFE,SAFE,SAFE (2/5) [2024-09-24 12:52:25,503 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 12:52:25,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 12:52:25,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 12:52:25,508 INFO L229 MonitoredProcess]: Starting monitored process 4 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 12:52:25,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-09-24 12:52:25,511 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 12:52:25,511 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork1 ======== [2024-09-24 12:52:25,511 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;@4c24dc93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 12:52:25,511 INFO L337 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-09-24 12:52:25,551 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 12:52:25,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 12:52:25,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1877053260, now seen corresponding path program 1 times [2024-09-24 12:52:25,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 12:52:25,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984623602] [2024-09-24 12:52:25,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 12:52:25,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 12:52:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 12:52:25,578 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 12:52:25,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 12:52:25,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984623602] [2024-09-24 12:52:25,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984623602] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 12:52:25,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 12:52:25,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-24 12:52:25,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912465192] [2024-09-24 12:52:25,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 12:52:25,579 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 12:52:25,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 12:52:25,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 12:52:25,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 12:52:25,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:25,579 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 12:52:25,580 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 12:52:25,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:25,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:52:25,662 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-24 12:52:25,662 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 12:52:25,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 12:52:25,663 INFO L85 PathProgramCache]: Analyzing trace with hash 651048356, now seen corresponding path program 1 times [2024-09-24 12:52:25,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 12:52:25,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184388260] [2024-09-24 12:52:25,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 12:52:25,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 12:52:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 12:52:25,727 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 12:52:25,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 12:52:25,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184388260] [2024-09-24 12:52:25,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184388260] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 12:52:25,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 12:52:25,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-24 12:52:25,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484407536] [2024-09-24 12:52:25,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 12:52:25,729 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 12:52:25,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 12:52:25,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 12:52:25,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-24 12:52:25,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:25,730 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 12:52:25,730 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 12:52:25,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:52:25,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:52:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 12:52:25,827 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-24 12:52:25,827 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 12:52:25,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 12:52:25,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1038299507, now seen corresponding path program 1 times [2024-09-24 12:52:25,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 12:52:25,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287409398] [2024-09-24 12:52:25,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 12:52:25,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 12:52:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 12:52:25,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 12:52:25,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 12:52:25,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287409398] [2024-09-24 12:52:25,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287409398] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 12:52:25,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 12:52:25,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-24 12:52:25,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227775758] [2024-09-24 12:52:25,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 12:52:25,949 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 12:52:25,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 12:52:25,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 12:52:25,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-24 12:52:25,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:25,950 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 12:52:25,950 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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 12:52:25,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:52:25,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 12:52:25,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:26,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:52:26,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 12:52:26,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 12:52:26,758 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 3 remaining) [2024-09-24 12:52:26,759 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 3 remaining) [2024-09-24 12:52:26,759 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 3 remaining) [2024-09-24 12:52:26,759 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-24 12:52:26,760 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-09-24 12:52:26,760 INFO L312 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork1 was SAFE,SAFE,SAFE (3/5) [2024-09-24 12:52:26,761 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 12:52:26,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 12:52:26,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 12:52:26,766 INFO L229 MonitoredProcess]: Starting monitored process 5 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 12:52:26,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2024-09-24 12:52:26,770 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 12:52:26,773 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-24 12:52:26,773 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;@4c24dc93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 12:52:26,773 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-24 12:52:26,934 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2024-09-24 12:52:26,935 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-09-24 12:52:26,935 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-09-24 12:52:26,935 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-09-24 12:52:26,936 INFO L408 BasicCegarLoop]: Path program histogram: [] [2024-09-24 12:52:26,937 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE (4/5) [2024-09-24 12:52:26,938 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 12:52:26,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 12:52:26,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 12:52:26,941 INFO L229 MonitoredProcess]: Starting monitored process 6 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 12:52:26,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2024-09-24 12:52:26,944 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 12:52:26,944 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Thread1of1ForFork0 ======== [2024-09-24 12:52:26,945 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;@4c24dc93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 12:52:26,945 INFO L337 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-09-24 12:52:26,984 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 12:52:26,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 12:52:26,984 INFO L85 PathProgramCache]: Analyzing trace with hash 32869063, now seen corresponding path program 1 times [2024-09-24 12:52:26,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 12:52:26,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78615012] [2024-09-24 12:52:26,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 12:52:26,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 12:52:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 12:52:27,024 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 12:52:27,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 12:52:27,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78615012] [2024-09-24 12:52:27,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78615012] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 12:52:27,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 12:52:27,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-24 12:52:27,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514560577] [2024-09-24 12:52:27,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 12:52:27,025 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 12:52:27,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 12:52:27,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 12:52:27,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 12:52:27,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:27,026 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 12:52:27,026 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) 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 12:52:27,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:27,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:52:27,123 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-24 12:52:27,123 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 12:52:27,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 12:52:27,123 INFO L85 PathProgramCache]: Analyzing trace with hash 90955528, now seen corresponding path program 1 times [2024-09-24 12:52:27,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 12:52:27,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25398278] [2024-09-24 12:52:27,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 12:52:27,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 12:52:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 12:52:27,187 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 12:52:27,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 12:52:27,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25398278] [2024-09-24 12:52:27,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25398278] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 12:52:27,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 12:52:27,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 12:52:27,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619007320] [2024-09-24 12:52:27,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 12:52:27,188 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 12:52:27,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 12:52:27,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 12:52:27,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-24 12:52:27,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:27,188 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 12:52:27,188 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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 12:52:27,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:52:27,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:27,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:52:27,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 12:52:27,251 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-24 12:52:27,251 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 12:52:27,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 12:52:27,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1446690903, now seen corresponding path program 1 times [2024-09-24 12:52:27,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 12:52:27,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920296355] [2024-09-24 12:52:27,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 12:52:27,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 12:52:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 12:52:27,308 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 12:52:27,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 12:52:27,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920296355] [2024-09-24 12:52:27,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920296355] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 12:52:27,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 12:52:27,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-24 12:52:27,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525494939] [2024-09-24 12:52:27,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 12:52:27,310 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 12:52:27,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 12:52:27,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 12:52:27,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-24 12:52:27,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:27,311 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 12:52:27,311 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 12:52:27,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:52:27,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 12:52:27,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 12:52:28,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 12:52:28,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 12:52:28,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 12:52:28,451 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 3 remaining) [2024-09-24 12:52:28,451 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 3 remaining) [2024-09-24 12:52:28,451 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 3 remaining) [2024-09-24 12:52:28,451 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-09-24 12:52:28,452 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-09-24 12:52:28,452 INFO L312 ceAbstractionStarter]: Result for error location thread3Thread1of1ForFork0 was SAFE,SAFE,SAFE (5/5) [2024-09-24 12:52:28,452 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-24 12:52:28,452 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-24 12:52:28,455 INFO L469 ceAbstractionStarter]: Automizer considered 12 witness invariants [2024-09-24 12:52:28,455 INFO L470 ceAbstractionStarter]: WitnessConsidered=12 [2024-09-24 12:52:28,456 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 12:52:28 BasicIcfg [2024-09-24 12:52:28,456 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-24 12:52:28,456 INFO L158 Benchmark]: Toolchain (without parser) took 8010.96ms. Allocated memory was 184.5MB in the beginning and 641.7MB in the end (delta: 457.2MB). Free memory was 118.6MB in the beginning and 305.8MB in the end (delta: -187.3MB). Peak memory consumption was 270.3MB. Max. memory is 16.1GB. [2024-09-24 12:52:28,456 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-24 12:52:28,456 INFO L158 Benchmark]: Witness Parser took 0.07ms. Allocated memory is still 184.5MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-24 12:52:28,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.97ms. Allocated memory is still 184.5MB. Free memory was 118.6MB in the beginning and 146.3MB in the end (delta: -27.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-24 12:52:28,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.98ms. Allocated memory is still 184.5MB. Free memory was 146.3MB in the beginning and 143.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-24 12:52:28,457 INFO L158 Benchmark]: Boogie Preprocessor took 30.12ms. Allocated memory is still 184.5MB. Free memory was 143.1MB in the beginning and 141.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-24 12:52:28,457 INFO L158 Benchmark]: RCFGBuilder took 774.97ms. Allocated memory is still 184.5MB. Free memory was 141.0MB in the beginning and 137.2MB in the end (delta: 3.8MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. [2024-09-24 12:52:28,457 INFO L158 Benchmark]: TraceAbstraction took 6847.37ms. Allocated memory was 184.5MB in the beginning and 641.7MB in the end (delta: 457.2MB). Free memory was 137.2MB in the beginning and 305.8MB in the end (delta: -168.6MB). Peak memory consumption was 290.7MB. Max. memory is 16.1GB. [2024-09-24 12:52:28,458 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.07ms. Allocated memory is still 184.5MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.97ms. Allocated memory is still 184.5MB. Free memory was 118.6MB in the beginning and 146.3MB in the end (delta: -27.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.98ms. Allocated memory is still 184.5MB. Free memory was 146.3MB in the beginning and 143.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.12ms. Allocated memory is still 184.5MB. Free memory was 143.1MB in the beginning and 141.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 774.97ms. Allocated memory is still 184.5MB. Free memory was 141.0MB in the beginning and 137.2MB in the end (delta: 3.8MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6847.37ms. Allocated memory was 184.5MB in the beginning and 641.7MB in the end (delta: 457.2MB). Free memory was 137.2MB in the beginning and 305.8MB in the end (delta: -168.6MB). Peak memory consumption was 290.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 82543, independent: 71673, independent conditional: 69260, independent unconditional: 2413, dependent: 10870, dependent conditional: 10852, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72850, independent: 71673, independent conditional: 69260, independent unconditional: 2413, dependent: 1177, dependent conditional: 1159, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 72850, independent: 71673, independent conditional: 69260, independent unconditional: 2413, dependent: 1177, dependent conditional: 1159, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 74628, independent: 71673, independent conditional: 69260, independent unconditional: 2413, dependent: 2955, dependent conditional: 2937, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 74628, independent: 71673, independent conditional: 0, independent unconditional: 71673, dependent: 2955, dependent conditional: 1778, dependent unconditional: 1177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 74628, independent: 71673, independent conditional: 0, independent unconditional: 71673, dependent: 2955, dependent conditional: 1778, dependent unconditional: 1177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1993, independent: 1937, independent conditional: 0, independent unconditional: 1937, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1993, independent: 1876, independent conditional: 0, independent unconditional: 1876, dependent: 117, dependent conditional: 0, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 117, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 390, independent: 200, independent conditional: 0, independent unconditional: 200, dependent: 190, dependent conditional: 139, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 74628, independent: 69736, independent conditional: 0, independent unconditional: 69736, dependent: 2899, dependent conditional: 1740, dependent unconditional: 1159, unknown: 1993, unknown conditional: 38, unknown unconditional: 1955] , Statistics on independence cache: Total cache size (in pairs): 1993, Positive cache size: 1937, Positive conditional cache size: 0, Positive unconditional cache size: 1937, Negative cache size: 56, Negative conditional cache size: 38, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 70419, Maximal queried relation: 3, Independence queries for same thread: 9693, Persistent sets #1 benchmarks: Persistent set computation time: 0.5s, Number of persistent set computation: 3056, Number of trivial persistent sets: 2354, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2431, independent: 2413, independent conditional: 0, independent unconditional: 2413, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 82543, independent: 71673, independent conditional: 69260, independent unconditional: 2413, dependent: 10870, dependent conditional: 10852, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72850, independent: 71673, independent conditional: 69260, independent unconditional: 2413, dependent: 1177, dependent conditional: 1159, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 72850, independent: 71673, independent conditional: 69260, independent unconditional: 2413, dependent: 1177, dependent conditional: 1159, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 74628, independent: 71673, independent conditional: 69260, independent unconditional: 2413, dependent: 2955, dependent conditional: 2937, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 74628, independent: 71673, independent conditional: 0, independent unconditional: 71673, dependent: 2955, dependent conditional: 1778, dependent unconditional: 1177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 74628, independent: 71673, independent conditional: 0, independent unconditional: 71673, dependent: 2955, dependent conditional: 1778, dependent unconditional: 1177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1993, independent: 1937, independent conditional: 0, independent unconditional: 1937, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1993, independent: 1876, independent conditional: 0, independent unconditional: 1876, dependent: 117, dependent conditional: 0, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 117, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 390, independent: 200, independent conditional: 0, independent unconditional: 200, dependent: 190, dependent conditional: 139, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 74628, independent: 69736, independent conditional: 0, independent unconditional: 69736, dependent: 2899, dependent conditional: 1740, dependent unconditional: 1159, unknown: 1993, unknown conditional: 38, unknown unconditional: 1955] , Statistics on independence cache: Total cache size (in pairs): 1993, Positive cache size: 1937, Positive conditional cache size: 0, Positive unconditional cache size: 1937, Negative cache size: 56, Negative conditional cache size: 38, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 70419, Maximal queried relation: 3, Independence queries for same thread: 9693 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 116833, independent: 101237, independent conditional: 98753, independent unconditional: 2484, dependent: 15596, dependent conditional: 15578, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 102917, independent: 101237, independent conditional: 98753, independent unconditional: 2484, dependent: 1680, dependent conditional: 1662, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 102917, independent: 101237, independent conditional: 98753, independent unconditional: 2484, dependent: 1680, dependent conditional: 1662, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 105694, independent: 101237, independent conditional: 98753, independent unconditional: 2484, dependent: 4457, dependent conditional: 4439, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 105694, independent: 101237, independent conditional: 0, independent unconditional: 101237, dependent: 4457, dependent conditional: 2777, dependent unconditional: 1680, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 105694, independent: 101237, independent conditional: 0, independent unconditional: 101237, dependent: 4457, dependent conditional: 2777, dependent unconditional: 1680, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2072, independent: 2016, independent conditional: 0, independent unconditional: 2016, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2072, independent: 1953, independent conditional: 0, independent unconditional: 1953, dependent: 119, dependent conditional: 0, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 119, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 119, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 274, independent: 129, independent conditional: 0, independent unconditional: 129, dependent: 145, dependent conditional: 109, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 105694, independent: 99221, independent conditional: 0, independent unconditional: 99221, dependent: 4401, dependent conditional: 2739, dependent unconditional: 1662, unknown: 2072, unknown conditional: 38, unknown unconditional: 2034] , Statistics on independence cache: Total cache size (in pairs): 2072, Positive cache size: 2016, Positive conditional cache size: 0, Positive unconditional cache size: 2016, Negative cache size: 56, Negative conditional cache size: 38, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 100415, Maximal queried relation: 3, Independence queries for same thread: 13916, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 4106, Number of trivial persistent sets: 3164, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2502, independent: 2484, independent conditional: 0, independent unconditional: 2484, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 116833, independent: 101237, independent conditional: 98753, independent unconditional: 2484, dependent: 15596, dependent conditional: 15578, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 102917, independent: 101237, independent conditional: 98753, independent unconditional: 2484, dependent: 1680, dependent conditional: 1662, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 102917, independent: 101237, independent conditional: 98753, independent unconditional: 2484, dependent: 1680, dependent conditional: 1662, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 105694, independent: 101237, independent conditional: 98753, independent unconditional: 2484, dependent: 4457, dependent conditional: 4439, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 105694, independent: 101237, independent conditional: 0, independent unconditional: 101237, dependent: 4457, dependent conditional: 2777, dependent unconditional: 1680, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 105694, independent: 101237, independent conditional: 0, independent unconditional: 101237, dependent: 4457, dependent conditional: 2777, dependent unconditional: 1680, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2072, independent: 2016, independent conditional: 0, independent unconditional: 2016, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2072, independent: 1953, independent conditional: 0, independent unconditional: 1953, dependent: 119, dependent conditional: 0, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 119, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 119, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 274, independent: 129, independent conditional: 0, independent unconditional: 129, dependent: 145, dependent conditional: 109, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 105694, independent: 99221, independent conditional: 0, independent unconditional: 99221, dependent: 4401, dependent conditional: 2739, dependent unconditional: 1662, unknown: 2072, unknown conditional: 38, unknown unconditional: 2034] , Statistics on independence cache: Total cache size (in pairs): 2072, Positive cache size: 2016, Positive conditional cache size: 0, Positive unconditional cache size: 2016, Negative cache size: 56, Negative conditional cache size: 38, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 100415, Maximal queried relation: 3, Independence queries for same thread: 13916 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 87178, independent: 75449, independent conditional: 73080, independent unconditional: 2369, dependent: 11729, dependent conditional: 11711, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 76756, independent: 75449, independent conditional: 73080, independent unconditional: 2369, dependent: 1307, dependent conditional: 1289, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 76756, independent: 75449, independent conditional: 73080, independent unconditional: 2369, dependent: 1307, dependent conditional: 1289, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 78857, independent: 75449, independent conditional: 73080, independent unconditional: 2369, dependent: 3408, dependent conditional: 3390, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 78857, independent: 75449, independent conditional: 0, independent unconditional: 75449, dependent: 3408, dependent conditional: 2101, dependent unconditional: 1307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 78857, independent: 75449, independent conditional: 0, independent unconditional: 75449, dependent: 3408, dependent conditional: 2101, dependent unconditional: 1307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1945, independent: 1889, independent conditional: 0, independent unconditional: 1889, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1945, independent: 1828, independent conditional: 0, independent unconditional: 1828, dependent: 117, dependent conditional: 0, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 117, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 267, independent: 122, independent conditional: 0, independent unconditional: 122, dependent: 144, dependent conditional: 109, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 78857, independent: 73560, independent conditional: 0, independent unconditional: 73560, dependent: 3352, dependent conditional: 2063, dependent unconditional: 1289, unknown: 1945, unknown conditional: 38, unknown unconditional: 1907] , Statistics on independence cache: Total cache size (in pairs): 1945, Positive cache size: 1889, Positive conditional cache size: 0, Positive unconditional cache size: 1889, Negative cache size: 56, Negative conditional cache size: 38, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 74369, Maximal queried relation: 3, Independence queries for same thread: 10422, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 3034, Number of trivial persistent sets: 2468, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2387, independent: 2369, independent conditional: 0, independent unconditional: 2369, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 87178, independent: 75449, independent conditional: 73080, independent unconditional: 2369, dependent: 11729, dependent conditional: 11711, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 76756, independent: 75449, independent conditional: 73080, independent unconditional: 2369, dependent: 1307, dependent conditional: 1289, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 76756, independent: 75449, independent conditional: 73080, independent unconditional: 2369, dependent: 1307, dependent conditional: 1289, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 78857, independent: 75449, independent conditional: 73080, independent unconditional: 2369, dependent: 3408, dependent conditional: 3390, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 78857, independent: 75449, independent conditional: 0, independent unconditional: 75449, dependent: 3408, dependent conditional: 2101, dependent unconditional: 1307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 78857, independent: 75449, independent conditional: 0, independent unconditional: 75449, dependent: 3408, dependent conditional: 2101, dependent unconditional: 1307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1945, independent: 1889, independent conditional: 0, independent unconditional: 1889, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1945, independent: 1828, independent conditional: 0, independent unconditional: 1828, dependent: 117, dependent conditional: 0, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 117, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 267, independent: 122, independent conditional: 0, independent unconditional: 122, dependent: 144, dependent conditional: 109, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 78857, independent: 73560, independent conditional: 0, independent unconditional: 73560, dependent: 3352, dependent conditional: 2063, dependent unconditional: 1289, unknown: 1945, unknown conditional: 38, unknown unconditional: 1907] , Statistics on independence cache: Total cache size (in pairs): 1945, Positive cache size: 1889, Positive conditional cache size: 0, Positive unconditional cache size: 1889, Negative cache size: 56, Negative conditional cache size: 38, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 74369, Maximal queried relation: 3, Independence queries for same thread: 10422 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3653, independent: 3341, independent conditional: 1849, independent unconditional: 1492, dependent: 312, dependent conditional: 303, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3370, independent: 3341, independent conditional: 1849, independent unconditional: 1492, dependent: 29, dependent conditional: 20, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3370, independent: 3341, independent conditional: 1849, independent unconditional: 1492, dependent: 29, dependent conditional: 20, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3370, independent: 3341, independent conditional: 1849, independent unconditional: 1492, dependent: 29, dependent conditional: 20, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3370, independent: 3341, independent conditional: 0, independent unconditional: 3341, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3370, independent: 3341, independent conditional: 0, independent unconditional: 3341, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1373, independent: 1364, independent conditional: 0, independent unconditional: 1364, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1373, independent: 1324, independent conditional: 0, independent unconditional: 1324, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3370, independent: 1977, independent conditional: 0, independent unconditional: 1977, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 1373, unknown conditional: 0, unknown unconditional: 1373] , Statistics on independence cache: Total cache size (in pairs): 1373, Positive cache size: 1364, Positive conditional cache size: 0, Positive unconditional cache size: 1364, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1869, Maximal queried relation: 0, Independence queries for same thread: 283, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 302, Number of trivial persistent sets: 190, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1501, independent: 1492, independent conditional: 0, independent unconditional: 1492, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3653, independent: 3341, independent conditional: 1849, independent unconditional: 1492, dependent: 312, dependent conditional: 303, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3370, independent: 3341, independent conditional: 1849, independent unconditional: 1492, dependent: 29, dependent conditional: 20, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3370, independent: 3341, independent conditional: 1849, independent unconditional: 1492, dependent: 29, dependent conditional: 20, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3370, independent: 3341, independent conditional: 1849, independent unconditional: 1492, dependent: 29, dependent conditional: 20, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3370, independent: 3341, independent conditional: 0, independent unconditional: 3341, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3370, independent: 3341, independent conditional: 0, independent unconditional: 3341, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1373, independent: 1364, independent conditional: 0, independent unconditional: 1364, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1373, independent: 1324, independent conditional: 0, independent unconditional: 1324, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3370, independent: 1977, independent conditional: 0, independent unconditional: 1977, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 1373, unknown conditional: 0, unknown unconditional: 1373] , Statistics on independence cache: Total cache size (in pairs): 1373, Positive cache size: 1364, Positive conditional cache size: 0, Positive unconditional cache size: 1364, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1869, Maximal queried relation: 0, Independence queries for same thread: 283 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 120217, independent: 104081, independent conditional: 101589, independent unconditional: 2492, dependent: 16136, dependent conditional: 16118, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 105778, independent: 104081, independent conditional: 101589, independent unconditional: 2492, dependent: 1697, dependent conditional: 1679, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 105778, independent: 104081, independent conditional: 101589, independent unconditional: 2492, dependent: 1697, dependent conditional: 1679, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 108676, independent: 104081, independent conditional: 101589, independent unconditional: 2492, dependent: 4595, dependent conditional: 4577, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 108676, independent: 104081, independent conditional: 0, independent unconditional: 104081, dependent: 4595, dependent conditional: 2898, dependent unconditional: 1697, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 108676, independent: 104081, independent conditional: 0, independent unconditional: 104081, dependent: 4595, dependent conditional: 2898, dependent unconditional: 1697, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2072, independent: 2016, independent conditional: 0, independent unconditional: 2016, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2072, independent: 1953, independent conditional: 0, independent unconditional: 1953, dependent: 119, dependent conditional: 0, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 119, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 119, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 234, independent: 111, independent conditional: 0, independent unconditional: 111, dependent: 123, dependent conditional: 91, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 108676, independent: 102065, independent conditional: 0, independent unconditional: 102065, dependent: 4539, dependent conditional: 2860, dependent unconditional: 1679, unknown: 2072, unknown conditional: 38, unknown unconditional: 2034] , Statistics on independence cache: Total cache size (in pairs): 2072, Positive cache size: 2016, Positive conditional cache size: 0, Positive unconditional cache size: 2016, Negative cache size: 56, Negative conditional cache size: 38, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 103268, Maximal queried relation: 3, Independence queries for same thread: 14439, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 4168, Number of trivial persistent sets: 3294, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2510, independent: 2492, independent conditional: 0, independent unconditional: 2492, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 120217, independent: 104081, independent conditional: 101589, independent unconditional: 2492, dependent: 16136, dependent conditional: 16118, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 105778, independent: 104081, independent conditional: 101589, independent unconditional: 2492, dependent: 1697, dependent conditional: 1679, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 105778, independent: 104081, independent conditional: 101589, independent unconditional: 2492, dependent: 1697, dependent conditional: 1679, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 108676, independent: 104081, independent conditional: 101589, independent unconditional: 2492, dependent: 4595, dependent conditional: 4577, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 108676, independent: 104081, independent conditional: 0, independent unconditional: 104081, dependent: 4595, dependent conditional: 2898, dependent unconditional: 1697, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 108676, independent: 104081, independent conditional: 0, independent unconditional: 104081, dependent: 4595, dependent conditional: 2898, dependent unconditional: 1697, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2072, independent: 2016, independent conditional: 0, independent unconditional: 2016, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2072, independent: 1953, independent conditional: 0, independent unconditional: 1953, dependent: 119, dependent conditional: 0, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 119, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 119, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 56, dependent conditional: 38, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 234, independent: 111, independent conditional: 0, independent unconditional: 111, dependent: 123, dependent conditional: 91, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 108676, independent: 102065, independent conditional: 0, independent unconditional: 102065, dependent: 4539, dependent conditional: 2860, dependent unconditional: 1679, unknown: 2072, unknown conditional: 38, unknown unconditional: 2034] , Statistics on independence cache: Total cache size (in pairs): 2072, Positive cache size: 2016, Positive conditional cache size: 0, Positive unconditional cache size: 2016, Negative cache size: 56, Negative conditional cache size: 38, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 103268, Maximal queried relation: 3, Independence queries for same thread: 14439 - PositiveResult [Line: 68]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 72]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 78]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 105]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 109]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 114]: 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 - PositiveResult [Line: 53]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 59]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 87]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 91]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 96]: 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: thread2Thread1of1ForFork3 with 1 thread instances CFG has 9 procedures, 93 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.6s, 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: 11, 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, 0.4s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread4Thread1of1ForFork2 with 1 thread instances CFG has 9 procedures, 93 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork1 with 1 thread instances CFG has 9 procedures, 93 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.0s, 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: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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 9 procedures, 93 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread3Thread1of1ForFork0 with 1 thread instances CFG has 9 procedures, 93 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 280 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-24 12:52:28,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Ended with exit code 0 [2024-09-24 12:52:28,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2024-09-24 12:52:28,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2024-09-24 12:52:29,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2024-09-24 12:52:29,292 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 12:52:29,491 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