./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/popl20-prod-cons.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-prod-cons.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/popl20-prod-cons.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-24 01:08:18,419 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-24 01:08:18,512 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-24 01:08:18,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-24 01:08:18,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-24 01:08:18,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-24 01:08:18,544 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-24 01:08:18,545 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-24 01:08:18,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-24 01:08:18,547 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-24 01:08:18,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-24 01:08:18,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-24 01:08:18,548 INFO L153 SettingsManager]: * Use SBE=true [2024-09-24 01:08:18,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-24 01:08:18,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-24 01:08:18,549 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-24 01:08:18,549 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-24 01:08:18,550 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-24 01:08:18,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-24 01:08:18,550 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-24 01:08:18,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-24 01:08:18,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-24 01:08:18,551 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-24 01:08:18,552 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-24 01:08:18,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-24 01:08:18,552 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-24 01:08:18,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-24 01:08:18,553 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-24 01:08:18,553 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-24 01:08:18,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-24 01:08:18,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-24 01:08:18,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-24 01:08:18,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-24 01:08:18,555 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-24 01:08:18,555 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-24 01:08:18,555 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-24 01:08:18,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-24 01:08:18,556 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-24 01:08:18,556 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-24 01:08:18,556 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-24 01:08:18,557 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-24 01:08:18,557 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-24 01:08:18,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-24 01:08:18,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-24 01:08:18,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-24 01:08:18,811 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-24 01:08:18,812 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-24 01:08:18,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-local/popl20-prod-cons.wvr.yml/witness.yml [2024-09-24 01:08:18,978 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-24 01:08:18,979 INFO L274 PluginConnector]: CDTParser initialized [2024-09-24 01:08:18,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c [2024-09-24 01:08:20,310 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-24 01:08:20,487 INFO L384 CDTParser]: Found 1 translation units. [2024-09-24 01:08:20,488 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c [2024-09-24 01:08:20,497 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/da60fb837/d7077ef439f44cc9a192fec929fd1bff/FLAG906a3ab7f [2024-09-24 01:08:20,880 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/da60fb837/d7077ef439f44cc9a192fec929fd1bff [2024-09-24 01:08:20,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-24 01:08:20,882 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-24 01:08:20,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-24 01:08:20,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-24 01:08:20,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-24 01:08:20,889 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 01:08:18" (1/2) ... [2024-09-24 01:08:20,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53531deb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 01:08:20, skipping insertion in model container [2024-09-24 01:08:20,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 01:08:18" (1/2) ... [2024-09-24 01:08:20,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b42525e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 01:08:20, skipping insertion in model container [2024-09-24 01:08:20,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 01:08:20" (2/2) ... [2024-09-24 01:08:20,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53531deb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 01:08:20, skipping insertion in model container [2024-09-24 01:08:20,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 01:08:20" (2/2) ... [2024-09-24 01:08:20,939 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-24 01:08:20,939 INFO L1541 ArrayList]: Location invariant before [L72-L72] (((((((((((((((((((((0 <= W) && ((2147483648LL + (long long )front) + (long long )n >= 0LL)) && ((2147483648LL + (long long )back) + (long long )n >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back >= 0LL)) && ((2147483647LL - (long long )front) + (long long )n >= 0LL)) && ((2147483647LL - (long long )back) + (long long )n >= 0LL)) && ((2147483647LL - (long long )W) + (long long )n >= 0LL)) && ((4294967295LL - (long long )back) + (long long )front >= 0LL)) && ((long long )W + (long long )n >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back >= 0LL)) && ((3221225471LL + (long long )front) - (long long )n >= 0LL)) && ((3221225471LL + (long long )back) - (long long )n >= 0LL)) && ((4294967295LL + (long long )back) - (long long )front >= 0LL)) && ((3221225470LL - (long long )front) - (long long )n >= 0LL)) && ((3221225470LL - (long long )back) - (long long )n >= 0LL)) && ((3221225470LL - (long long )W) - (long long )n >= 0LL)) && ((4294967294LL - (long long )back) - (long long )front >= 0LL)) && ((4294967294LL - (long long )W) - (long long )front >= 0LL)) && ((4294967294LL - (long long )W) - (long long )back >= 0LL) [2024-09-24 01:08:20,940 INFO L1541 ArrayList]: Location invariant before [L68-L68] (((((((((((((((((((((0 <= W) && ((2147483648LL + (long long )front) + (long long )n >= 0LL)) && ((2147483648LL + (long long )back) + (long long )n >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back >= 0LL)) && ((2147483647LL - (long long )front) + (long long )n >= 0LL)) && ((2147483647LL - (long long )back) + (long long )n >= 0LL)) && ((2147483647LL - (long long )W) + (long long )n >= 0LL)) && ((4294967295LL - (long long )back) + (long long )front >= 0LL)) && ((long long )W + (long long )n >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back >= 0LL)) && ((3221225471LL + (long long )front) - (long long )n >= 0LL)) && ((3221225471LL + (long long )back) - (long long )n >= 0LL)) && ((4294967295LL + (long long )back) - (long long )front >= 0LL)) && ((3221225470LL - (long long )front) - (long long )n >= 0LL)) && ((3221225470LL - (long long )back) - (long long )n >= 0LL)) && ((3221225470LL - (long long )W) - (long long )n >= 0LL)) && ((4294967294LL - (long long )back) - (long long )front >= 0LL)) && ((4294967294LL - (long long )W) - (long long )front >= 0LL)) && ((4294967294LL - (long long )W) - (long long )back >= 0LL) [2024-09-24 01:08:20,940 INFO L1541 ArrayList]: Location invariant before [L80-L80] (((((((((((((((((((((0 <= W) && ((2147483648LL + (long long )front) + (long long )n >= 0LL)) && ((2147483648LL + (long long )back) + (long long )n >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back >= 0LL)) && ((2147483647LL - (long long )front) + (long long )n >= 0LL)) && ((2147483647LL - (long long )back) + (long long )n >= 0LL)) && ((2147483647LL - (long long )W) + (long long )n >= 0LL)) && ((4294967295LL - (long long )back) + (long long )front >= 0LL)) && ((long long )W + (long long )n >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back >= 0LL)) && ((3221225471LL + (long long )front) - (long long )n >= 0LL)) && ((3221225471LL + (long long )back) - (long long )n >= 0LL)) && ((4294967295LL + (long long )back) - (long long )front >= 0LL)) && ((3221225470LL - (long long )front) - (long long )n >= 0LL)) && ((3221225470LL - (long long )back) - (long long )n >= 0LL)) && ((3221225470LL - (long long )W) - (long long )n >= 0LL)) && ((4294967294LL - (long long )back) - (long long )front >= 0LL)) && ((4294967294LL - (long long )W) - (long long )front >= 0LL)) && ((4294967294LL - (long long )W) - (long long )back >= 0LL) [2024-09-24 01:08:20,940 INFO L1541 ArrayList]: Location invariant before [L50-L50] (((((((((((((((((((((0 <= W) && ((2147483648LL + (long long )front) + (long long )n >= 0LL)) && ((2147483648LL + (long long )back) + (long long )n >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back >= 0LL)) && ((2147483647LL - (long long )front) + (long long )n >= 0LL)) && ((2147483647LL - (long long )back) + (long long )n >= 0LL)) && ((2147483647LL - (long long )W) + (long long )n >= 0LL)) && ((4294967295LL - (long long )back) + (long long )front >= 0LL)) && ((long long )W + (long long )n >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back >= 0LL)) && ((3221225471LL + (long long )front) - (long long )n >= 0LL)) && ((3221225471LL + (long long )back) - (long long )n >= 0LL)) && ((4294967295LL + (long long )back) - (long long )front >= 0LL)) && ((3221225470LL - (long long )front) - (long long )n >= 0LL)) && ((3221225470LL - (long long )back) - (long long )n >= 0LL)) && ((3221225470LL - (long long )W) - (long long )n >= 0LL)) && ((4294967294LL - (long long )back) - (long long )front >= 0LL)) && ((4294967294LL - (long long )W) - (long long )front >= 0LL)) && ((4294967294LL - (long long )W) - (long long )back >= 0LL) [2024-09-24 01:08:20,944 INFO L1541 ArrayList]: Location invariant before [L77-L77] (((((((((((((((((((((0 <= W) && ((2147483648LL + (long long )front) + (long long )n >= 0LL)) && ((2147483648LL + (long long )back) + (long long )n >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back >= 0LL)) && ((2147483647LL - (long long )front) + (long long )n >= 0LL)) && ((2147483647LL - (long long )back) + (long long )n >= 0LL)) && ((2147483647LL - (long long )W) + (long long )n >= 0LL)) && ((4294967295LL - (long long )back) + (long long )front >= 0LL)) && ((long long )W + (long long )n >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back >= 0LL)) && ((3221225471LL + (long long )front) - (long long )n >= 0LL)) && ((3221225471LL + (long long )back) - (long long )n >= 0LL)) && ((4294967295LL + (long long )back) - (long long )front >= 0LL)) && ((3221225470LL - (long long )front) - (long long )n >= 0LL)) && ((3221225470LL - (long long )back) - (long long )n >= 0LL)) && ((3221225470LL - (long long )W) - (long long )n >= 0LL)) && ((4294967294LL - (long long )back) - (long long )front >= 0LL)) && ((4294967294LL - (long long )W) - (long long )front >= 0LL)) && ((4294967294LL - (long long )W) - (long long )back >= 0LL) [2024-09-24 01:08:20,944 INFO L1541 ArrayList]: Location invariant before [L56-L56] (((((((((((((((((((((0 <= W) && ((2147483648LL + (long long )front) + (long long )n >= 0LL)) && ((2147483648LL + (long long )back) + (long long )n >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back >= 0LL)) && ((2147483647LL - (long long )front) + (long long )n >= 0LL)) && ((2147483647LL - (long long )back) + (long long )n >= 0LL)) && ((2147483647LL - (long long )W) + (long long )n >= 0LL)) && ((4294967295LL - (long long )back) + (long long )front >= 0LL)) && ((long long )W + (long long )n >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back >= 0LL)) && ((3221225471LL + (long long )front) - (long long )n >= 0LL)) && ((3221225471LL + (long long )back) - (long long )n >= 0LL)) && ((4294967295LL + (long long )back) - (long long )front >= 0LL)) && ((3221225470LL - (long long )front) - (long long )n >= 0LL)) && ((3221225470LL - (long long )back) - (long long )n >= 0LL)) && ((3221225470LL - (long long )W) - (long long )n >= 0LL)) && ((4294967294LL - (long long )back) - (long long )front >= 0LL)) && ((4294967294LL - (long long )W) - (long long )front >= 0LL)) && ((4294967294LL - (long long )W) - (long long )back >= 0LL) [2024-09-24 01:08:20,944 INFO L1541 ArrayList]: Location invariant before [L89-L89] (((((((((((((((((((((0 <= W) && ((2147483648LL + (long long )front) + (long long )n >= 0LL)) && ((2147483648LL + (long long )back) + (long long )n >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back >= 0LL)) && ((2147483647LL - (long long )front) + (long long )n >= 0LL)) && ((2147483647LL - (long long )back) + (long long )n >= 0LL)) && ((2147483647LL - (long long )W) + (long long )n >= 0LL)) && ((4294967295LL - (long long )back) + (long long )front >= 0LL)) && ((long long )W + (long long )n >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back >= 0LL)) && ((3221225471LL + (long long )front) - (long long )n >= 0LL)) && ((3221225471LL + (long long )back) - (long long )n >= 0LL)) && ((4294967295LL + (long long )back) - (long long )front >= 0LL)) && ((3221225470LL - (long long )front) - (long long )n >= 0LL)) && ((3221225470LL - (long long )back) - (long long )n >= 0LL)) && ((3221225470LL - (long long )W) - (long long )n >= 0LL)) && ((4294967294LL - (long long )back) - (long long )front >= 0LL)) && ((4294967294LL - (long long )W) - (long long )front >= 0LL)) && ((4294967294LL - (long long )W) - (long long )back >= 0LL) [2024-09-24 01:08:20,969 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-24 01:08:21,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-24 01:08:21,178 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 [2024-09-24 01:08:21,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-24 01:08:21,309 INFO L204 MainTranslator]: Completed translation [2024-09-24 01:08:21,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 01:08:21 WrapperNode [2024-09-24 01:08:21,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-24 01:08:21,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-24 01:08:21,311 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-24 01:08:21,311 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-24 01:08:21,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 01:08:21" (1/1) ... [2024-09-24 01:08:21,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 01:08:21" (1/1) ... [2024-09-24 01:08:21,376 INFO L138 Inliner]: procedures = 24, calls = 36, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 170 [2024-09-24 01:08:21,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-24 01:08:21,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-24 01:08:21,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-24 01:08:21,381 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-24 01:08:21,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 01:08:21" (1/1) ... [2024-09-24 01:08:21,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 01:08:21" (1/1) ... [2024-09-24 01:08:21,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 01:08:21" (1/1) ... [2024-09-24 01:08:21,403 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 01:08:21" (1/1) ... [2024-09-24 01:08:21,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 01:08:21" (1/1) ... [2024-09-24 01:08:21,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 01:08:21" (1/1) ... [2024-09-24 01:08:21,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 01:08:21" (1/1) ... [2024-09-24 01:08:21,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 01:08:21" (1/1) ... [2024-09-24 01:08:21,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-24 01:08:21,427 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-24 01:08:21,427 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-24 01:08:21,428 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-24 01:08:21,428 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 01:08:21" (1/1) ... [2024-09-24 01:08:21,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-24 01:08:21,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:08:21,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-24 01:08:21,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-24 01:08:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-24 01:08:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-24 01:08:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-24 01:08:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-24 01:08:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-24 01:08:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-24 01:08:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-24 01:08:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-24 01:08:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-24 01:08:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-24 01:08:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-24 01:08:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-24 01:08:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-24 01:08:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-24 01:08:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-24 01:08:21,529 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-24 01:08:21,659 INFO L242 CfgBuilder]: Building ICFG [2024-09-24 01:08:21,662 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-24 01:08:22,118 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-24 01:08:22,138 INFO L291 CfgBuilder]: Performing block encoding [2024-09-24 01:08:22,414 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-24 01:08:22,415 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-24 01:08:22,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 01:08:22 BoogieIcfgContainer [2024-09-24 01:08:22,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-24 01:08:22,418 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-24 01:08:22,419 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-24 01:08:22,422 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-24 01:08:22,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 01:08:18" (1/4) ... [2024-09-24 01:08:22,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d66853 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 24.09 01:08:22, skipping insertion in model container [2024-09-24 01:08:22,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 01:08:20" (2/4) ... [2024-09-24 01:08:22,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d66853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 01:08:22, skipping insertion in model container [2024-09-24 01:08:22,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 01:08:21" (3/4) ... [2024-09-24 01:08:22,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d66853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 01:08:22, skipping insertion in model container [2024-09-24 01:08:22,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 01:08:22" (4/4) ... [2024-09-24 01:08:22,426 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons.wvr.c [2024-09-24 01:08:22,445 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-24 01:08:22,445 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-09-24 01:08:22,445 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-24 01:08:22,516 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-09-24 01:08:22,558 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 01:08:22,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 01:08:22,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:08:22,560 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-24 01:08:22,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-24 01:08:22,597 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 01:08:22,646 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork2 ======== [2024-09-24 01:08:22,653 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;@4015be0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 01:08:22,654 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-24 01:08:22,792 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 01:08:22,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:08:22,798 INFO L85 PathProgramCache]: Analyzing trace with hash 175863538, now seen corresponding path program 1 times [2024-09-24 01:08:22,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:08:22,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166786876] [2024-09-24 01:08:22,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:08:22,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:08:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:08:23,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:23,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:08:23,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166786876] [2024-09-24 01:08:23,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166786876] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 01:08:23,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 01:08:23,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-24 01:08:23,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806209106] [2024-09-24 01:08:23,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 01:08:23,662 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 01:08:23,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:08:23,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 01:08:23,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-24 01:08:23,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:23,688 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:08:23,688 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 01:08:23,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:23,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:23,739 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-24 01:08:23,740 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 01:08:23,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:08:23,740 INFO L85 PathProgramCache]: Analyzing trace with hash -403263183, now seen corresponding path program 1 times [2024-09-24 01:08:23,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:08:23,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235501026] [2024-09-24 01:08:23,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:08:23,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:08:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:08:24,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:24,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:08:24,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235501026] [2024-09-24 01:08:24,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235501026] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:08:24,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155655888] [2024-09-24 01:08:24,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:08:24,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:08:24,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:08:24,267 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:08:24,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-24 01:08:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:08:24,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-09-24 01:08:24,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:08:24,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:24,588 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-24 01:08:25,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:25,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155655888] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-24 01:08:25,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-24 01:08:25,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 8 [2024-09-24 01:08:25,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556544666] [2024-09-24 01:08:25,479 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-24 01:08:25,480 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-24 01:08:25,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:08:25,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-24 01:08:25,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-09-24 01:08:25,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:25,483 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:08:25,483 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 01:08:25,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:25,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:25,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:25,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:08:25,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-24 01:08:25,998 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-09-24 01:08:25,999 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 01:08:25,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:08:26,000 INFO L85 PathProgramCache]: Analyzing trace with hash 748129970, now seen corresponding path program 2 times [2024-09-24 01:08:26,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:08:26,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400220412] [2024-09-24 01:08:26,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:08:26,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:08:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:08:26,644 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:26,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:08:26,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400220412] [2024-09-24 01:08:26,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400220412] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:08:26,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199175814] [2024-09-24 01:08:26,646 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-24 01:08:26,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:08:26,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:08:26,648 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:08:26,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-24 01:08:26,719 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-24 01:08:26,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-24 01:08:26,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-24 01:08:26,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:08:26,895 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-24 01:08:26,896 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-24 01:08:26,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199175814] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 01:08:26,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-24 01:08:26,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 8 [2024-09-24 01:08:26,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489454484] [2024-09-24 01:08:26,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 01:08:26,897 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 01:08:26,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:08:26,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 01:08:26,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-09-24 01:08:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:26,898 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:08:26,899 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 01:08:26,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:26,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:08:26,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:27,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:27,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:08:27,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:27,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-09-24 01:08:27,403 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:08:27,403 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 01:08:27,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:08:27,404 INFO L85 PathProgramCache]: Analyzing trace with hash -610762445, now seen corresponding path program 1 times [2024-09-24 01:08:27,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:08:27,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894155533] [2024-09-24 01:08:27,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:08:27,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:08:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:08:28,294 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:28,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:08:28,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894155533] [2024-09-24 01:08:28,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894155533] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:08:28,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949074958] [2024-09-24 01:08:28,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:08:28,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:08:28,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:08:28,298 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:08:28,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-24 01:08:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:08:28,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-09-24 01:08:28,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:08:29,007 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:29,007 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-24 01:08:30,459 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:30,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949074958] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-24 01:08:30,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-24 01:08:30,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 29 [2024-09-24 01:08:30,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20828424] [2024-09-24 01:08:30,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-24 01:08:30,461 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-09-24 01:08:30,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:08:30,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-09-24 01:08:30,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=706, Unknown=0, NotChecked=0, Total=930 [2024-09-24 01:08:30,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:30,464 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:08:30,464 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 2.5) internal successors, (75), 30 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 01:08:30,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:30,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:08:30,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:30,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:31,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:31,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:08:31,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:31,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-24 01:08:31,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-24 01:08:31,593 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:08:31,594 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 01:08:31,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:08:31,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1130048633, now seen corresponding path program 1 times [2024-09-24 01:08:31,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:08:31,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493488335] [2024-09-24 01:08:31,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:08:31,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:08:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:08:32,705 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:32,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:08:32,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493488335] [2024-09-24 01:08:32,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493488335] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:08:32,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941747229] [2024-09-24 01:08:32,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:08:32,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:08:32,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:08:32,709 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:08:32,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-24 01:08:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:08:32,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-09-24 01:08:32,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:08:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:33,515 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-24 01:08:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:35,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941747229] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-24 01:08:35,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-24 01:08:35,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 15] total 41 [2024-09-24 01:08:35,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803874976] [2024-09-24 01:08:35,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-24 01:08:35,377 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-09-24 01:08:35,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:08:35,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-09-24 01:08:35,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=398, Invalid=1408, Unknown=0, NotChecked=0, Total=1806 [2024-09-24 01:08:35,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:35,380 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:08:35,380 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 2.261904761904762) internal successors, (95), 42 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 01:08:35,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:35,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:08:35,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:35,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-24 01:08:35,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:37,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:37,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:08:37,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:37,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-24 01:08:37,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-24 01:08:37,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-24 01:08:37,416 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:08:37,417 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 01:08:37,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:08:37,417 INFO L85 PathProgramCache]: Analyzing trace with hash 104283443, now seen corresponding path program 2 times [2024-09-24 01:08:37,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:08:37,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159128488] [2024-09-24 01:08:37,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:08:37,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:08:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:08:38,941 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:38,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:08:38,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159128488] [2024-09-24 01:08:38,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159128488] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:08:38,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066270327] [2024-09-24 01:08:38,942 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-24 01:08:38,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:08:38,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:08:38,944 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:08:38,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-24 01:08:39,054 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-24 01:08:39,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-24 01:08:39,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-09-24 01:08:39,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:08:39,492 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-09-24 01:08:39,493 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-24 01:08:39,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066270327] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 01:08:39,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-24 01:08:39,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [18] total 22 [2024-09-24 01:08:39,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238912299] [2024-09-24 01:08:39,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 01:08:39,493 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-24 01:08:39,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:08:39,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-24 01:08:39,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2024-09-24 01:08:39,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:39,495 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:08:39,495 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 01:08:39,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:39,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:08:39,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:39,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-24 01:08:39,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-24 01:08:39,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:08:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-24 01:08:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-24 01:08:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 01:08:42,917 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-09-24 01:08:42,917 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-09-24 01:08:42,918 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 4 remaining) [2024-09-24 01:08:42,918 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 4 remaining) [2024-09-24 01:08:42,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-24 01:08:43,118 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:08:43,126 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1] [2024-09-24 01:08:43,128 INFO L312 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork2 was SAFE,SAFE,SAFE,SAFE (1/4) [2024-09-24 01:08:43,131 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 01:08:43,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 01:08:43,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:08:43,132 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-24 01:08:43,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2024-09-24 01:08:43,136 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 01:08:43,136 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork1 ======== [2024-09-24 01:08:43,137 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;@4015be0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 01:08:43,137 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-24 01:08:43,200 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:08:43,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:08:43,201 INFO L85 PathProgramCache]: Analyzing trace with hash 744225097, now seen corresponding path program 1 times [2024-09-24 01:08:43,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:08:43,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221961687] [2024-09-24 01:08:43,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:08:43,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:08:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:08:43,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:43,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:08:43,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221961687] [2024-09-24 01:08:43,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221961687] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 01:08:43,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 01:08:43,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-24 01:08:43,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364193162] [2024-09-24 01:08:43,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 01:08:43,518 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-24 01:08:43,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:08:43,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-24 01:08:43,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-24 01:08:43,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:43,520 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:08:43,520 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 01:08:43,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:43,590 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-24 01:08:43,590 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:08:43,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:08:43,591 INFO L85 PathProgramCache]: Analyzing trace with hash -753563094, now seen corresponding path program 1 times [2024-09-24 01:08:43,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:08:43,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844690931] [2024-09-24 01:08:43,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:08:43,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:08:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:08:43,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:43,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:08:43,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844690931] [2024-09-24 01:08:43,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844690931] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:08:43,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569038639] [2024-09-24 01:08:43,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:08:43,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:08:43,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:08:43,956 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:08:43,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-24 01:08:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:08:44,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-09-24 01:08:44,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:08:44,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:44,193 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-24 01:08:44,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:44,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569038639] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-24 01:08:44,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-24 01:08:44,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 14 [2024-09-24 01:08:44,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708838431] [2024-09-24 01:08:44,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-24 01:08:44,998 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-09-24 01:08:44,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:08:44,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-09-24 01:08:44,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-09-24 01:08:44,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:44,999 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:08:44,999 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 01:08:45,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:45,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:45,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:45,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:08:45,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-09-24 01:08:45,690 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:08:45,691 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:08:45,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:08:45,691 INFO L85 PathProgramCache]: Analyzing trace with hash 43355583, now seen corresponding path program 1 times [2024-09-24 01:08:45,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:08:45,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688171777] [2024-09-24 01:08:45,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:08:45,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:08:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:08:45,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-24 01:08:45,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:08:45,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688171777] [2024-09-24 01:08:45,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688171777] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 01:08:45,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 01:08:45,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 01:08:45,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177791350] [2024-09-24 01:08:45,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 01:08:45,918 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 01:08:45,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:08:45,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 01:08:45,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-09-24 01:08:45,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:45,921 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:08:45,921 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 01:08:45,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:45,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:08:45,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:46,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:46,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:08:46,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:08:46,092 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-24 01:08:46,092 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:08:46,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:08:46,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1230517867, now seen corresponding path program 1 times [2024-09-24 01:08:46,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:08:46,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372183286] [2024-09-24 01:08:46,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:08:46,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:08:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:08:46,737 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:46,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:08:46,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372183286] [2024-09-24 01:08:46,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372183286] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:08:46,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354384937] [2024-09-24 01:08:46,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:08:46,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:08:46,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:08:46,739 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:08:46,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-24 01:08:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:08:46,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-09-24 01:08:46,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:08:47,201 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:47,201 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-24 01:08:48,298 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:48,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354384937] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-24 01:08:48,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-24 01:08:48,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 10] total 26 [2024-09-24 01:08:48,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043009177] [2024-09-24 01:08:48,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-24 01:08:48,299 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-09-24 01:08:48,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:08:48,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-09-24 01:08:48,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=535, Unknown=0, NotChecked=0, Total=702 [2024-09-24 01:08:48,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:48,300 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:08:48,300 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.740740740740741) internal successors, (74), 26 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 01:08:48,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:48,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:08:48,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:08:48,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:49,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:49,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:08:49,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:08:49,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-24 01:08:49,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-09-24 01:08:49,219 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-09-24 01:08:49,220 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:08:49,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:08:49,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1509738169, now seen corresponding path program 1 times [2024-09-24 01:08:49,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:08:49,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600561896] [2024-09-24 01:08:49,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:08:49,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:08:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:08:49,584 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-24 01:08:49,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:08:49,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600561896] [2024-09-24 01:08:49,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600561896] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 01:08:49,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 01:08:49,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-24 01:08:49,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801259509] [2024-09-24 01:08:49,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 01:08:49,589 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-24 01:08:49,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:08:49,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-24 01:08:49,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-09-24 01:08:49,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:49,590 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:08:49,590 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 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 01:08:49,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:49,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:08:49,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:08:49,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-24 01:08:49,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:49,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:49,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:08:49,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:08:49,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-24 01:08:49,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:08:49,704 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-24 01:08:49,704 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:08:49,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:08:49,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1092051803, now seen corresponding path program 1 times [2024-09-24 01:08:49,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:08:49,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490272763] [2024-09-24 01:08:49,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:08:49,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:08:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:08:50,638 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:50,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:08:50,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490272763] [2024-09-24 01:08:50,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490272763] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:08:50,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554284722] [2024-09-24 01:08:50,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:08:50,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:08:50,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:08:50,640 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:08:50,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-24 01:08:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:08:50,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-09-24 01:08:50,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:08:51,223 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:51,223 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-24 01:08:52,857 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:52,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554284722] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-24 01:08:52,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-24 01:08:52,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 15] total 36 [2024-09-24 01:08:52,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553182742] [2024-09-24 01:08:52,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-24 01:08:52,858 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-09-24 01:08:52,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:08:52,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-09-24 01:08:52,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=314, Invalid=1018, Unknown=0, NotChecked=0, Total=1332 [2024-09-24 01:08:52,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:52,860 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:08:52,860 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.3783783783783785) internal successors, (88), 36 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 01:08:52,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:52,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:08:52,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:08:52,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-24 01:08:52,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:08:52,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:54,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:54,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:08:54,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:08:54,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-24 01:08:54,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:08:54,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-24 01:08:54,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-09-24 01:08:54,229 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-09-24 01:08:54,229 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:08:54,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:08:54,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1901406827, now seen corresponding path program 2 times [2024-09-24 01:08:54,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:08:54,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214453170] [2024-09-24 01:08:54,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:08:54,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:08:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:08:55,370 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:55,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:08:55,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214453170] [2024-09-24 01:08:55,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214453170] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:08:55,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059762559] [2024-09-24 01:08:55,371 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-24 01:08:55,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:08:55,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:08:55,372 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:08:55,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-09-24 01:08:55,485 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-24 01:08:55,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-24 01:08:55,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-09-24 01:08:55,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:08:56,229 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 20 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:56,229 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-24 01:08:58,376 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:08:58,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059762559] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-24 01:08:58,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-24 01:08:58,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 19] total 51 [2024-09-24 01:08:58,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414077942] [2024-09-24 01:08:58,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-24 01:08:58,377 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-09-24 01:08:58,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:08:58,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-09-24 01:08:58,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=578, Invalid=2074, Unknown=0, NotChecked=0, Total=2652 [2024-09-24 01:08:58,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:08:58,379 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:08:58,379 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 2.5576923076923075) internal successors, (133), 51 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 01:08:58,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:08:58,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:08:58,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:08:58,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-24 01:08:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:08:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-24 01:08:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:09:00,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:00,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:09:00,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:09:00,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-24 01:09:00,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:09:00,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-24 01:09:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-24 01:09:00,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-09-24 01:09:00,239 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:09:00,239 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:09:00,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:09:00,240 INFO L85 PathProgramCache]: Analyzing trace with hash 524100059, now seen corresponding path program 3 times [2024-09-24 01:09:00,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:09:00,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178330519] [2024-09-24 01:09:00,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:09:00,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:09:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:09:01,942 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 27 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:09:01,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:09:01,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178330519] [2024-09-24 01:09:01,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178330519] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:09:01,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592031008] [2024-09-24 01:09:01,943 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-24 01:09:01,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:09:01,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:09:01,944 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:09:01,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-09-24 01:09:02,030 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-09-24 01:09:02,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-24 01:09:02,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-09-24 01:09:02,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:09:02,580 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-09-24 01:09:02,581 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-24 01:09:04,844 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-09-24 01:09:04,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [592031008] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-24 01:09:04,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-24 01:09:04,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 7, 7] total 35 [2024-09-24 01:09:04,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062614315] [2024-09-24 01:09:04,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-24 01:09:04,845 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-24 01:09:04,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:09:04,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-24 01:09:04,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=1051, Unknown=0, NotChecked=0, Total=1260 [2024-09-24 01:09:04,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:09:04,847 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:09:04,847 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.25) internal successors, (117), 35 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 01:09:04,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:04,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:09:04,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:09:04,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-24 01:09:04,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:09:04,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-24 01:09:04,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-24 01:09:04,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:09:08,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:08,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:09:08,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:09:08,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-24 01:09:08,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:09:08,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-24 01:09:08,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-24 01:09:08,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-24 01:09:08,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-09-24 01:09:08,270 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-09-24 01:09:08,270 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:09:08,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:09:08,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1601779056, now seen corresponding path program 1 times [2024-09-24 01:09:08,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:09:08,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773107123] [2024-09-24 01:09:08,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:09:08,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:09:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:09:08,894 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:09:08,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:09:08,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773107123] [2024-09-24 01:09:08,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773107123] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:09:08,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913712457] [2024-09-24 01:09:08,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:09:08,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:09:08,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:09:08,895 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:09:08,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-09-24 01:09:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:09:08,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-09-24 01:09:08,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:09:09,299 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:09:09,299 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-24 01:09:10,896 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:09:10,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913712457] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-24 01:09:10,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-24 01:09:10,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 29 [2024-09-24 01:09:10,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763489466] [2024-09-24 01:09:10,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-24 01:09:10,897 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-09-24 01:09:10,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:09:10,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-09-24 01:09:10,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=711, Unknown=0, NotChecked=0, Total=930 [2024-09-24 01:09:10,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:09:10,898 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:09:10,898 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 1.8666666666666667) internal successors, (56), 30 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 01:09:10,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:10,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:09:10,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:09:10,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-24 01:09:10,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:09:10,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-24 01:09:10,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-24 01:09:10,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-24 01:09:10,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:09:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:09:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-24 01:09:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:09:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-24 01:09:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:09:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-24 01:09:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-09-24 01:09:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-24 01:09:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-24 01:09:18,466 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-24 01:09:18,466 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 2 remaining) [2024-09-24 01:09:18,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-09-24 01:09:18,666 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-09-24 01:09:18,668 INFO L408 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2024-09-24 01:09:18,668 INFO L312 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork1 was SAFE,SAFE (2/4) [2024-09-24 01:09:18,670 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 01:09:18,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 01:09:18,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:09:18,671 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-24 01:09:18,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (15)] Waiting until timeout for monitored process [2024-09-24 01:09:18,673 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 01:09:18,673 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-24 01:09:18,674 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;@4015be0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 01:09:18,674 INFO L337 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-09-24 01:09:18,740 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2024-09-24 01:09:18,740 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-09-24 01:09:18,740 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-09-24 01:09:18,741 INFO L408 BasicCegarLoop]: Path program histogram: [] [2024-09-24 01:09:18,741 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (3/4) [2024-09-24 01:09:18,743 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 01:09:18,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 01:09:18,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:09:18,745 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-24 01:09:18,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (16)] Waiting until timeout for monitored process [2024-09-24 01:09:18,750 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 01:09:18,751 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Thread1of1ForFork0 ======== [2024-09-24 01:09:18,752 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;@4015be0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 01:09:18,752 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-24 01:09:18,797 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:09:18,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:09:18,798 INFO L85 PathProgramCache]: Analyzing trace with hash -503128197, now seen corresponding path program 1 times [2024-09-24 01:09:18,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:09:18,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138929650] [2024-09-24 01:09:18,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:09:18,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:09:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:09:18,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:09:18,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:09:18,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138929650] [2024-09-24 01:09:18,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138929650] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 01:09:18,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 01:09:18,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 01:09:18,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616873760] [2024-09-24 01:09:18,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 01:09:18,973 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 01:09:18,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:09:18,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 01:09:18,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-24 01:09:18,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:09:18,974 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:09:18,974 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 01:09:18,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:09:19,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:19,011 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-09-24 01:09:19,011 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:09:19,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:09:19,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1094131142, now seen corresponding path program 1 times [2024-09-24 01:09:19,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:09:19,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111977564] [2024-09-24 01:09:19,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:09:19,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:09:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:09:19,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:09:19,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:09:19,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111977564] [2024-09-24 01:09:19,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111977564] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:09:19,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693681588] [2024-09-24 01:09:19,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:09:19,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:09:19,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:09:19,254 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:09:19,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-09-24 01:09:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:09:19,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-09-24 01:09:19,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:09:19,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:09:19,516 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-24 01:09:20,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:09:20,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693681588] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-24 01:09:20,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-24 01:09:20,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-09-24 01:09:20,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581027501] [2024-09-24 01:09:20,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-24 01:09:20,040 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-24 01:09:20,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:09:20,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-24 01:09:20,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-09-24 01:09:20,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:09:20,041 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:09:20,041 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 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 01:09:20,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:20,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:09:20,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:20,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:09:20,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-09-24 01:09:20,410 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-09-24 01:09:20,410 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:09:20,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:09:20,410 INFO L85 PathProgramCache]: Analyzing trace with hash -456321221, now seen corresponding path program 2 times [2024-09-24 01:09:20,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:09:20,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943041375] [2024-09-24 01:09:20,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:09:20,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:09:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:09:20,820 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:09:20,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:09:20,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943041375] [2024-09-24 01:09:20,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943041375] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:09:20,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206964498] [2024-09-24 01:09:20,821 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-24 01:09:20,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:09:20,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:09:20,823 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:09:20,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-09-24 01:09:20,902 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-24 01:09:20,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-24 01:09:20,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-24 01:09:20,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:09:21,084 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-24 01:09:21,084 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-24 01:09:21,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206964498] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 01:09:21,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-24 01:09:21,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-09-24 01:09:21,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907121863] [2024-09-24 01:09:21,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 01:09:21,085 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 01:09:21,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:09:21,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 01:09:21,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-09-24 01:09:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:09:21,086 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:09:21,086 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 01:09:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:09:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:09:21,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:21,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:09:21,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:21,327 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-09-24 01:09:21,511 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-09-24 01:09:21,511 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:09:21,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:09:21,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1277879369, now seen corresponding path program 1 times [2024-09-24 01:09:21,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:09:21,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119237024] [2024-09-24 01:09:21,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:09:21,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:09:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:09:21,758 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-24 01:09:21,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:09:21,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119237024] [2024-09-24 01:09:21,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119237024] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:09:21,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217208933] [2024-09-24 01:09:21,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:09:21,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:09:21,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:09:21,759 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:09:21,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-09-24 01:09:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:09:21,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-09-24 01:09:21,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:09:22,231 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-24 01:09:22,231 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-24 01:09:22,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217208933] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 01:09:22,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-24 01:09:22,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-09-24 01:09:22,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346744174] [2024-09-24 01:09:22,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 01:09:22,232 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 01:09:22,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:09:22,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 01:09:22,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-09-24 01:09:22,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:09:22,233 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:09:22,233 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 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 01:09:22,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:22,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:09:22,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:22,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:09:22,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:22,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:09:22,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:22,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:09:22,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-09-24 01:09:22,552 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:09:22,552 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:09:22,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:09:22,552 INFO L85 PathProgramCache]: Analyzing trace with hash 700440422, now seen corresponding path program 1 times [2024-09-24 01:09:22,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:09:22,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557537810] [2024-09-24 01:09:22,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:09:22,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:09:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:09:23,457 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:09:23,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:09:23,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557537810] [2024-09-24 01:09:23,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557537810] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:09:23,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696759475] [2024-09-24 01:09:23,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:09:23,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:09:23,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:09:23,459 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:09:23,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-09-24 01:09:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:09:23,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-09-24 01:09:23,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:09:23,968 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:09:23,969 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-24 01:09:25,545 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:09:25,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696759475] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-24 01:09:25,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-24 01:09:25,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 14] total 36 [2024-09-24 01:09:25,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53788919] [2024-09-24 01:09:25,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-24 01:09:25,546 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-09-24 01:09:25,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:09:25,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-09-24 01:09:25,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=1081, Unknown=0, NotChecked=0, Total=1406 [2024-09-24 01:09:25,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:09:25,547 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:09:25,547 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 2.054054054054054) internal successors, (76), 37 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 01:09:25,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:25,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:09:25,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:25,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:09:25,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:09:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:09:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:09:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-24 01:09:27,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-09-24 01:09:27,413 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:09:27,413 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 01:09:27,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 01:09:27,413 INFO L85 PathProgramCache]: Analyzing trace with hash 171908158, now seen corresponding path program 2 times [2024-09-24 01:09:27,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 01:09:27,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782291501] [2024-09-24 01:09:27,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 01:09:27,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 01:09:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 01:09:28,481 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 01:09:28,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 01:09:28,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782291501] [2024-09-24 01:09:28,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782291501] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-24 01:09:28,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670286211] [2024-09-24 01:09:28,482 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-24 01:09:28,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-24 01:09:28,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 01:09:28,483 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-24 01:09:28,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-09-24 01:09:28,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-24 01:09:28,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-24 01:09:28,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-09-24 01:09:28,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-24 01:09:28,842 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-09-24 01:09:28,843 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-24 01:09:28,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670286211] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 01:09:28,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-24 01:09:28,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 20 [2024-09-24 01:09:28,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985530729] [2024-09-24 01:09:28,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 01:09:28,843 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 01:09:28,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 01:09:28,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 01:09:28,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2024-09-24 01:09:28,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:09:28,844 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 01:09:28,844 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 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 01:09:28,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:28,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:09:28,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:28,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:09:28,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-24 01:09:28,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 01:09:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-24 01:09:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 01:09:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:09:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-24 01:09:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 01:09:30,130 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 1 remaining) [2024-09-24 01:09:30,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-09-24 01:09:30,331 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-09-24 01:09:30,332 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1] [2024-09-24 01:09:30,332 INFO L312 ceAbstractionStarter]: Result for error location thread3Thread1of1ForFork0 was SAFE (4/4) [2024-09-24 01:09:30,333 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-24 01:09:30,333 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-24 01:09:30,336 INFO L469 ceAbstractionStarter]: Automizer considered 7 witness invariants [2024-09-24 01:09:30,336 INFO L470 ceAbstractionStarter]: WitnessConsidered=7 [2024-09-24 01:09:30,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 01:09:30 BasicIcfg [2024-09-24 01:09:30,337 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-24 01:09:30,338 INFO L158 Benchmark]: Toolchain (without parser) took 69455.91ms. Allocated memory was 153.1MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 96.8MB in the beginning and 542.3MB in the end (delta: -445.5MB). Peak memory consumption was 835.5MB. Max. memory is 16.1GB. [2024-09-24 01:09:30,338 INFO L158 Benchmark]: Witness Parser took 0.46ms. Allocated memory is still 153.1MB. Free memory is still 117.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-24 01:09:30,338 INFO L158 Benchmark]: CDTParser took 1.03ms. Allocated memory is still 153.1MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-24 01:09:30,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.30ms. Allocated memory is still 153.1MB. Free memory was 96.7MB in the beginning and 76.6MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-24 01:09:30,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.86ms. Allocated memory is still 153.1MB. Free memory was 76.6MB in the beginning and 74.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-24 01:09:30,339 INFO L158 Benchmark]: Boogie Preprocessor took 49.47ms. Allocated memory is still 153.1MB. Free memory was 74.4MB in the beginning and 72.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-24 01:09:30,339 INFO L158 Benchmark]: RCFGBuilder took 989.01ms. Allocated memory is still 153.1MB. Free memory was 72.4MB in the beginning and 72.1MB in the end (delta: 361.3kB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-24 01:09:30,339 INFO L158 Benchmark]: TraceAbstraction took 67919.41ms. Allocated memory was 153.1MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 70.8MB in the beginning and 542.3MB in the end (delta: -471.5MB). Peak memory consumption was 809.6MB. Max. memory is 16.1GB. [2024-09-24 01:09:30,341 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.46ms. Allocated memory is still 153.1MB. Free memory is still 117.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.03ms. Allocated memory is still 153.1MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.30ms. Allocated memory is still 153.1MB. Free memory was 96.7MB in the beginning and 76.6MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.86ms. Allocated memory is still 153.1MB. Free memory was 76.6MB in the beginning and 74.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.47ms. Allocated memory is still 153.1MB. Free memory was 74.4MB in the beginning and 72.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 989.01ms. Allocated memory is still 153.1MB. Free memory was 72.4MB in the beginning and 72.1MB in the end (delta: 361.3kB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 67919.41ms. Allocated memory was 153.1MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 70.8MB in the beginning and 542.3MB in the end (delta: -471.5MB). Peak memory consumption was 809.6MB. 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: 34567, independent: 29082, independent conditional: 27960, independent unconditional: 1122, dependent: 5485, dependent conditional: 5463, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29492, independent: 29082, independent conditional: 27960, independent unconditional: 1122, dependent: 410, dependent conditional: 388, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29492, independent: 29082, independent conditional: 27960, independent unconditional: 1122, dependent: 410, dependent conditional: 388, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31710, independent: 29082, independent conditional: 27960, independent unconditional: 1122, dependent: 2628, dependent conditional: 2606, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31710, independent: 29082, independent conditional: 708, independent unconditional: 28374, dependent: 2628, dependent conditional: 1510, dependent unconditional: 1118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31710, independent: 29082, independent conditional: 708, independent unconditional: 28374, dependent: 2628, dependent conditional: 1510, dependent unconditional: 1118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1082, independent: 943, independent conditional: 14, independent unconditional: 929, dependent: 139, dependent conditional: 116, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1082, independent: 908, independent conditional: 0, independent unconditional: 908, dependent: 174, dependent conditional: 0, dependent unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 174, independent: 35, independent conditional: 14, independent unconditional: 21, dependent: 139, dependent conditional: 116, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 174, independent: 35, independent conditional: 14, independent unconditional: 21, dependent: 139, dependent conditional: 116, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1029, independent: 227, independent conditional: 93, independent unconditional: 134, dependent: 802, dependent conditional: 671, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 31710, independent: 28139, independent conditional: 694, independent unconditional: 27445, dependent: 2489, dependent conditional: 1394, dependent unconditional: 1095, unknown: 1082, unknown conditional: 130, unknown unconditional: 952] , Statistics on independence cache: Total cache size (in pairs): 1082, Positive cache size: 943, Positive conditional cache size: 14, Positive unconditional cache size: 929, Negative cache size: 139, Negative conditional cache size: 116, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 28348, Maximal queried relation: 6, Independence queries for same thread: 5075, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 580, Number of trivial persistent sets: 523, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1144, independent: 1122, independent conditional: 0, independent unconditional: 1122, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34567, independent: 29082, independent conditional: 27960, independent unconditional: 1122, dependent: 5485, dependent conditional: 5463, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29492, independent: 29082, independent conditional: 27960, independent unconditional: 1122, dependent: 410, dependent conditional: 388, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29492, independent: 29082, independent conditional: 27960, independent unconditional: 1122, dependent: 410, dependent conditional: 388, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31710, independent: 29082, independent conditional: 27960, independent unconditional: 1122, dependent: 2628, dependent conditional: 2606, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31710, independent: 29082, independent conditional: 708, independent unconditional: 28374, dependent: 2628, dependent conditional: 1510, dependent unconditional: 1118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31710, independent: 29082, independent conditional: 708, independent unconditional: 28374, dependent: 2628, dependent conditional: 1510, dependent unconditional: 1118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1082, independent: 943, independent conditional: 14, independent unconditional: 929, dependent: 139, dependent conditional: 116, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1082, independent: 908, independent conditional: 0, independent unconditional: 908, dependent: 174, dependent conditional: 0, dependent unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 174, independent: 35, independent conditional: 14, independent unconditional: 21, dependent: 139, dependent conditional: 116, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 174, independent: 35, independent conditional: 14, independent unconditional: 21, dependent: 139, dependent conditional: 116, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1029, independent: 227, independent conditional: 93, independent unconditional: 134, dependent: 802, dependent conditional: 671, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 31710, independent: 28139, independent conditional: 694, independent unconditional: 27445, dependent: 2489, dependent conditional: 1394, dependent unconditional: 1095, unknown: 1082, unknown conditional: 130, unknown unconditional: 952] , Statistics on independence cache: Total cache size (in pairs): 1082, Positive cache size: 943, Positive conditional cache size: 14, Positive unconditional cache size: 929, Negative cache size: 139, Negative conditional cache size: 116, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 28348, Maximal queried relation: 6, Independence queries for same thread: 5075 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 75607, independent: 60339, independent conditional: 59226, independent unconditional: 1113, dependent: 15268, dependent conditional: 15246, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 61637, independent: 60339, independent conditional: 59226, independent unconditional: 1113, dependent: 1298, dependent conditional: 1276, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 61637, independent: 60339, independent conditional: 59226, independent unconditional: 1113, dependent: 1298, dependent conditional: 1276, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 73762, independent: 60339, independent conditional: 59226, independent unconditional: 1113, dependent: 13423, dependent conditional: 13401, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 73762, independent: 60339, independent conditional: 2296, independent unconditional: 58043, dependent: 13423, dependent conditional: 9829, dependent unconditional: 3594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 73762, independent: 60339, independent conditional: 2296, independent unconditional: 58043, dependent: 13423, dependent conditional: 9829, dependent unconditional: 3594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1243, independent: 964, independent conditional: 62, independent unconditional: 902, dependent: 279, dependent conditional: 256, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1243, independent: 881, independent conditional: 0, independent unconditional: 881, dependent: 362, dependent conditional: 0, dependent unconditional: 362, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 362, independent: 83, independent conditional: 62, independent unconditional: 21, dependent: 279, dependent conditional: 256, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 362, independent: 83, independent conditional: 62, independent unconditional: 21, dependent: 279, dependent conditional: 256, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1760, independent: 444, independent conditional: 342, independent unconditional: 102, dependent: 1316, dependent conditional: 1216, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 73762, independent: 59375, independent conditional: 2234, independent unconditional: 57141, dependent: 13144, dependent conditional: 9573, dependent unconditional: 3571, unknown: 1243, unknown conditional: 318, unknown unconditional: 925] , Statistics on independence cache: Total cache size (in pairs): 1243, Positive cache size: 964, Positive conditional cache size: 62, Positive unconditional cache size: 902, Negative cache size: 279, Negative conditional cache size: 256, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 60502, Maximal queried relation: 9, Independence queries for same thread: 13970, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 525, Number of trivial persistent sets: 474, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1135, independent: 1113, independent conditional: 0, independent unconditional: 1113, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 75607, independent: 60339, independent conditional: 59226, independent unconditional: 1113, dependent: 15268, dependent conditional: 15246, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 61637, independent: 60339, independent conditional: 59226, independent unconditional: 1113, dependent: 1298, dependent conditional: 1276, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 61637, independent: 60339, independent conditional: 59226, independent unconditional: 1113, dependent: 1298, dependent conditional: 1276, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 73762, independent: 60339, independent conditional: 59226, independent unconditional: 1113, dependent: 13423, dependent conditional: 13401, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 73762, independent: 60339, independent conditional: 2296, independent unconditional: 58043, dependent: 13423, dependent conditional: 9829, dependent unconditional: 3594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 73762, independent: 60339, independent conditional: 2296, independent unconditional: 58043, dependent: 13423, dependent conditional: 9829, dependent unconditional: 3594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1243, independent: 964, independent conditional: 62, independent unconditional: 902, dependent: 279, dependent conditional: 256, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1243, independent: 881, independent conditional: 0, independent unconditional: 881, dependent: 362, dependent conditional: 0, dependent unconditional: 362, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 362, independent: 83, independent conditional: 62, independent unconditional: 21, dependent: 279, dependent conditional: 256, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 362, independent: 83, independent conditional: 62, independent unconditional: 21, dependent: 279, dependent conditional: 256, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1760, independent: 444, independent conditional: 342, independent unconditional: 102, dependent: 1316, dependent conditional: 1216, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 73762, independent: 59375, independent conditional: 2234, independent unconditional: 57141, dependent: 13144, dependent conditional: 9573, dependent unconditional: 3571, unknown: 1243, unknown conditional: 318, unknown unconditional: 925] , Statistics on independence cache: Total cache size (in pairs): 1243, Positive cache size: 964, Positive conditional cache size: 62, Positive unconditional cache size: 902, Negative cache size: 279, Negative conditional cache size: 256, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 60502, Maximal queried relation: 9, Independence queries for same thread: 13970 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 758, independent: 720, independent conditional: 127, independent unconditional: 593, dependent: 38, dependent conditional: 29, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 731, independent: 720, independent conditional: 127, independent unconditional: 593, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 731, independent: 720, independent conditional: 127, independent unconditional: 593, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 731, independent: 720, independent conditional: 127, independent unconditional: 593, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 731, independent: 720, independent conditional: 0, independent unconditional: 720, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 731, independent: 720, independent conditional: 0, independent unconditional: 720, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 568, independent: 559, independent conditional: 0, independent unconditional: 559, 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: 568, independent: 552, independent conditional: 0, independent unconditional: 552, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 7, independent conditional: 0, independent unconditional: 7, 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: 16, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 731, independent: 161, independent conditional: 0, independent unconditional: 161, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 568, unknown conditional: 0, unknown unconditional: 568] , Statistics on independence cache: Total cache size (in pairs): 568, Positive cache size: 559, Positive conditional cache size: 0, Positive unconditional cache size: 559, 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: 129, Maximal queried relation: 0, Independence queries for same thread: 27, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 39, Number of trivial persistent sets: 25, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 602, independent: 593, independent conditional: 0, independent unconditional: 593, 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: 758, independent: 720, independent conditional: 127, independent unconditional: 593, dependent: 38, dependent conditional: 29, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 731, independent: 720, independent conditional: 127, independent unconditional: 593, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 731, independent: 720, independent conditional: 127, independent unconditional: 593, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 731, independent: 720, independent conditional: 127, independent unconditional: 593, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 731, independent: 720, independent conditional: 0, independent unconditional: 720, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 731, independent: 720, independent conditional: 0, independent unconditional: 720, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 568, independent: 559, independent conditional: 0, independent unconditional: 559, 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: 568, independent: 552, independent conditional: 0, independent unconditional: 552, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 7, independent conditional: 0, independent unconditional: 7, 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: 16, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 731, independent: 161, independent conditional: 0, independent unconditional: 161, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 568, unknown conditional: 0, unknown unconditional: 568] , Statistics on independence cache: Total cache size (in pairs): 568, Positive cache size: 559, Positive conditional cache size: 0, Positive unconditional cache size: 559, 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: 129, Maximal queried relation: 0, Independence queries for same thread: 27 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11706, independent: 10012, independent conditional: 9008, independent unconditional: 1004, dependent: 1694, dependent conditional: 1672, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10309, independent: 10012, independent conditional: 9008, independent unconditional: 1004, dependent: 297, dependent conditional: 275, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10309, independent: 10012, independent conditional: 9008, independent unconditional: 1004, dependent: 297, dependent conditional: 275, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11514, independent: 10012, independent conditional: 9008, independent unconditional: 1004, dependent: 1502, dependent conditional: 1480, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11514, independent: 10012, independent conditional: 210, independent unconditional: 9802, dependent: 1502, dependent conditional: 994, dependent unconditional: 508, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11514, independent: 10012, independent conditional: 210, independent unconditional: 9802, dependent: 1502, dependent conditional: 994, dependent unconditional: 508, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 942, independent: 867, independent conditional: 14, independent unconditional: 853, dependent: 75, dependent conditional: 52, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 942, independent: 832, independent conditional: 0, independent unconditional: 832, dependent: 110, dependent conditional: 0, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 110, independent: 35, independent conditional: 14, independent unconditional: 21, dependent: 75, dependent conditional: 52, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, independent: 35, independent conditional: 14, independent unconditional: 21, dependent: 75, dependent conditional: 52, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 494, independent: 172, independent conditional: 82, independent unconditional: 90, dependent: 322, dependent conditional: 241, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11514, independent: 9145, independent conditional: 196, independent unconditional: 8949, dependent: 1427, dependent conditional: 942, dependent unconditional: 485, unknown: 942, unknown conditional: 66, unknown unconditional: 876] , Statistics on independence cache: Total cache size (in pairs): 942, Positive cache size: 867, Positive conditional cache size: 14, Positive unconditional cache size: 853, Negative cache size: 75, Negative conditional cache size: 52, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9284, Maximal queried relation: 6, Independence queries for same thread: 1397, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 224, Number of trivial persistent sets: 182, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1026, independent: 1004, independent conditional: 0, independent unconditional: 1004, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11706, independent: 10012, independent conditional: 9008, independent unconditional: 1004, dependent: 1694, dependent conditional: 1672, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10309, independent: 10012, independent conditional: 9008, independent unconditional: 1004, dependent: 297, dependent conditional: 275, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10309, independent: 10012, independent conditional: 9008, independent unconditional: 1004, dependent: 297, dependent conditional: 275, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11514, independent: 10012, independent conditional: 9008, independent unconditional: 1004, dependent: 1502, dependent conditional: 1480, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11514, independent: 10012, independent conditional: 210, independent unconditional: 9802, dependent: 1502, dependent conditional: 994, dependent unconditional: 508, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11514, independent: 10012, independent conditional: 210, independent unconditional: 9802, dependent: 1502, dependent conditional: 994, dependent unconditional: 508, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 942, independent: 867, independent conditional: 14, independent unconditional: 853, dependent: 75, dependent conditional: 52, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 942, independent: 832, independent conditional: 0, independent unconditional: 832, dependent: 110, dependent conditional: 0, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 110, independent: 35, independent conditional: 14, independent unconditional: 21, dependent: 75, dependent conditional: 52, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, independent: 35, independent conditional: 14, independent unconditional: 21, dependent: 75, dependent conditional: 52, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 494, independent: 172, independent conditional: 82, independent unconditional: 90, dependent: 322, dependent conditional: 241, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11514, independent: 9145, independent conditional: 196, independent unconditional: 8949, dependent: 1427, dependent conditional: 942, dependent unconditional: 485, unknown: 942, unknown conditional: 66, unknown unconditional: 876] , Statistics on independence cache: Total cache size (in pairs): 942, Positive cache size: 867, Positive conditional cache size: 14, Positive unconditional cache size: 853, Negative cache size: 75, Negative conditional cache size: 52, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9284, Maximal queried relation: 6, Independence queries for same thread: 1397 - 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: 77]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 80]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 50]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 56]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 89]: 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: thread2Thread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 68 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 20.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 7.0s, 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: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 11.6s InterpolantComputationTime, 260 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 315 ConstructedInterpolants, 0 QuantifiedInterpolants, 11055 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1130 ConjunctsInSsa, 140 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 55/207 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 7 procedures, 68 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 35.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 15.2s, 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: 165, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 18.4s InterpolantComputationTime, 451 NumberOfCodeBlocks, 421 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 625 ConstructedInterpolants, 0 QuantifiedInterpolants, 25369 SizeOfPredicates, 31 NumberOfNonLiveVariables, 1754 ConjunctsInSsa, 204 ConjunctsInUnsatCore, 21 InterpolantComputations, 3 PerfectInterpolantSequences, 214/473 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 7 procedures, 68 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 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 7 procedures, 68 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 11.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 3.5s, 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: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 266 NumberOfCodeBlocks, 239 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 9260 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1130 ConjunctsInSsa, 122 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 69/157 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 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-24 01:09:30,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (16)] Forceful destruction successful, exit code 0 [2024-09-24 01:09:30,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (15)] Forceful destruction successful, exit code 0 [2024-09-24 01:09:30,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Forceful destruction successful, exit code 0 [2024-09-24 01:09:30,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-24 01:09:31,188 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