./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-local/parallel-bluetooth.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee 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/parallel-bluetooth.wvr.c ./goblint.2024-08-08_07-59-58.files/mutex-meet-local/parallel-bluetooth.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 02:33:53,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 02:33:54,065 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 02:33:54,070 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 02:33:54,073 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 02:33:54,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 02:33:54,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 02:33:54,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 02:33:54,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 02:33:54,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 02:33:54,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 02:33:54,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 02:33:54,109 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 02:33:54,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 02:33:54,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 02:33:54,111 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 02:33:54,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 02:33:54,111 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 02:33:54,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 02:33:54,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 02:33:54,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 02:33:54,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 02:33:54,114 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 02:33:54,114 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 02:33:54,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 02:33:54,115 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 02:33:54,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 02:33:54,115 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 02:33:54,115 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 02:33:54,116 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 02:33:54,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 02:33:54,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 02:33:54,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 02:33:54,117 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 02:33:54,117 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 02:33:54,119 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 02:33:54,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 02:33:54,119 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 02:33:54,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 02:33:54,119 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 02:33:54,120 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 02:33:54,120 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 02:33:54,120 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-14 02:33:54,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 02:33:54,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 02:33:54,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 02:33:54,409 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 02:33:54,410 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 02:33:54,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-local/parallel-bluetooth.wvr.yml/witness.yml [2024-08-14 02:33:54,691 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 02:33:54,691 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 02:33:54,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2024-08-14 02:33:56,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 02:33:56,282 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 02:33:56,283 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2024-08-14 02:33:56,289 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/223ff834e/fcde3fe4b92c449a8c28e1ca6e523470/FLAG29ec55ffc [2024-08-14 02:33:56,668 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/223ff834e/fcde3fe4b92c449a8c28e1ca6e523470 [2024-08-14 02:33:56,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 02:33:56,670 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 02:33:56,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 02:33:56,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 02:33:56,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 02:33:56,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 02:33:54" (1/2) ... [2024-08-14 02:33:56,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a5408 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 02:33:56, skipping insertion in model container [2024-08-14 02:33:56,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 02:33:54" (1/2) ... [2024-08-14 02:33:56,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@bea304b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 02:33:56, skipping insertion in model container [2024-08-14 02:33:56,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:33:56" (2/2) ... [2024-08-14 02:33:56,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a5408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:33:56, skipping insertion in model container [2024-08-14 02:33:56,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:33:56" (2/2) ... [2024-08-14 02:33:56,704 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-14 02:33:56,750 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 02:33:56,751 INFO L97 edCorrectnessWitness]: Location invariant before [L67-L67] (((((((((((((((((0LL - (long long )pos) + (long long )sFlag >= 0LL) && ((0LL - (long long )pos) + (long long )sEvent >= 0LL)) && ((0LL - (long long )pos) + (long long )stopped >= 0LL)) && ((0LL - (long long )pos) + (long long )v_assert >= 0LL)) && ((long long )pos + (long long )sFlag >= 0LL)) && ((long long )pos + (long long )sEvent >= 0LL)) && ((long long )pos + (long long )stopped >= 0LL)) && ((long long )pos + (long long )v_assert >= 0LL)) && ((1LL + (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL + (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL + (long long )pos) - (long long )stopped >= 0LL)) && ((1LL + (long long )pos) - (long long )v_assert >= 0LL)) && ((1LL - (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL - (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL - (long long )pos) - (long long )stopped >= 0LL)) && ((1LL - (long long )pos) - (long long )v_assert >= 0LL)) && (pos == 0) [2024-08-14 02:33:56,751 INFO L97 edCorrectnessWitness]: Location invariant before [L73-L73] (((((((((((((((((0LL - (long long )pos) + (long long )sFlag >= 0LL) && ((0LL - (long long )pos) + (long long )sEvent >= 0LL)) && ((0LL - (long long )pos) + (long long )stopped >= 0LL)) && ((0LL - (long long )pos) + (long long )v_assert >= 0LL)) && ((long long )pos + (long long )sFlag >= 0LL)) && ((long long )pos + (long long )sEvent >= 0LL)) && ((long long )pos + (long long )stopped >= 0LL)) && ((long long )pos + (long long )v_assert >= 0LL)) && ((1LL + (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL + (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL + (long long )pos) - (long long )stopped >= 0LL)) && ((1LL + (long long )pos) - (long long )v_assert >= 0LL)) && ((1LL - (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL - (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL - (long long )pos) - (long long )stopped >= 0LL)) && ((1LL - (long long )pos) - (long long )v_assert >= 0LL)) && (pos == 0) [2024-08-14 02:33:56,751 INFO L97 edCorrectnessWitness]: Location invariant before [L77-L77] (((((((((((((((((0LL - (long long )pos) + (long long )sFlag >= 0LL) && ((0LL - (long long )pos) + (long long )sEvent >= 0LL)) && ((0LL - (long long )pos) + (long long )stopped >= 0LL)) && ((0LL - (long long )pos) + (long long )v_assert >= 0LL)) && ((long long )pos + (long long )sFlag >= 0LL)) && ((long long )pos + (long long )sEvent >= 0LL)) && ((long long )pos + (long long )stopped >= 0LL)) && ((long long )pos + (long long )v_assert >= 0LL)) && ((1LL + (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL + (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL + (long long )pos) - (long long )stopped >= 0LL)) && ((1LL + (long long )pos) - (long long )v_assert >= 0LL)) && ((1LL - (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL - (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL - (long long )pos) - (long long )stopped >= 0LL)) && ((1LL - (long long )pos) - (long long )v_assert >= 0LL)) && (pos == 0) [2024-08-14 02:33:56,752 INFO L97 edCorrectnessWitness]: Location invariant before [L51-L51] (((((((((((((((((0LL - (long long )pos) + (long long )sFlag >= 0LL) && ((0LL - (long long )pos) + (long long )sEvent >= 0LL)) && ((0LL - (long long )pos) + (long long )stopped >= 0LL)) && ((0LL - (long long )pos) + (long long )v_assert >= 0LL)) && ((long long )pos + (long long )sFlag >= 0LL)) && ((long long )pos + (long long )sEvent >= 0LL)) && ((long long )pos + (long long )stopped >= 0LL)) && ((long long )pos + (long long )v_assert >= 0LL)) && ((1LL + (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL + (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL + (long long )pos) - (long long )stopped >= 0LL)) && ((1LL + (long long )pos) - (long long )v_assert >= 0LL)) && ((1LL - (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL - (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL - (long long )pos) - (long long )stopped >= 0LL)) && ((1LL - (long long )pos) - (long long )v_assert >= 0LL)) && (pos == 0) [2024-08-14 02:33:56,752 INFO L97 edCorrectnessWitness]: Location invariant before [L55-L55] (((((((((((((((((0LL - (long long )pos) + (long long )sFlag >= 0LL) && ((0LL - (long long )pos) + (long long )sEvent >= 0LL)) && ((0LL - (long long )pos) + (long long )stopped >= 0LL)) && ((0LL - (long long )pos) + (long long )v_assert >= 0LL)) && ((long long )pos + (long long )sFlag >= 0LL)) && ((long long )pos + (long long )sEvent >= 0LL)) && ((long long )pos + (long long )stopped >= 0LL)) && ((long long )pos + (long long )v_assert >= 0LL)) && ((1LL + (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL + (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL + (long long )pos) - (long long )stopped >= 0LL)) && ((1LL + (long long )pos) - (long long )v_assert >= 0LL)) && ((1LL - (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL - (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL - (long long )pos) - (long long )stopped >= 0LL)) && ((1LL - (long long )pos) - (long long )v_assert >= 0LL)) && (pos == 0) [2024-08-14 02:33:56,752 INFO L97 edCorrectnessWitness]: Location invariant before [L64-L64] (((((((((((((((((0LL - (long long )pos) + (long long )sFlag >= 0LL) && ((0LL - (long long )pos) + (long long )sEvent >= 0LL)) && ((0LL - (long long )pos) + (long long )stopped >= 0LL)) && ((0LL - (long long )pos) + (long long )v_assert >= 0LL)) && ((long long )pos + (long long )sFlag >= 0LL)) && ((long long )pos + (long long )sEvent >= 0LL)) && ((long long )pos + (long long )stopped >= 0LL)) && ((long long )pos + (long long )v_assert >= 0LL)) && ((1LL + (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL + (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL + (long long )pos) - (long long )stopped >= 0LL)) && ((1LL + (long long )pos) - (long long )v_assert >= 0LL)) && ((1LL - (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL - (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL - (long long )pos) - (long long )stopped >= 0LL)) && ((1LL - (long long )pos) - (long long )v_assert >= 0LL)) && (pos == 0) [2024-08-14 02:33:56,752 INFO L97 edCorrectnessWitness]: Location invariant before [L48-L48] (((((((((((((((((0LL - (long long )pos) + (long long )sFlag >= 0LL) && ((0LL - (long long )pos) + (long long )sEvent >= 0LL)) && ((0LL - (long long )pos) + (long long )stopped >= 0LL)) && ((0LL - (long long )pos) + (long long )v_assert >= 0LL)) && ((long long )pos + (long long )sFlag >= 0LL)) && ((long long )pos + (long long )sEvent >= 0LL)) && ((long long )pos + (long long )stopped >= 0LL)) && ((long long )pos + (long long )v_assert >= 0LL)) && ((1LL + (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL + (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL + (long long )pos) - (long long )stopped >= 0LL)) && ((1LL + (long long )pos) - (long long )v_assert >= 0LL)) && ((1LL - (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL - (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL - (long long )pos) - (long long )stopped >= 0LL)) && ((1LL - (long long )pos) - (long long )v_assert >= 0LL)) && (pos == 0) [2024-08-14 02:33:56,752 INFO L97 edCorrectnessWitness]: Location invariant before [L81-L81] (((((((((((((((((0LL - (long long )pos) + (long long )sFlag >= 0LL) && ((0LL - (long long )pos) + (long long )sEvent >= 0LL)) && ((0LL - (long long )pos) + (long long )stopped >= 0LL)) && ((0LL - (long long )pos) + (long long )v_assert >= 0LL)) && ((long long )pos + (long long )sFlag >= 0LL)) && ((long long )pos + (long long )sEvent >= 0LL)) && ((long long )pos + (long long )stopped >= 0LL)) && ((long long )pos + (long long )v_assert >= 0LL)) && ((1LL + (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL + (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL + (long long )pos) - (long long )stopped >= 0LL)) && ((1LL + (long long )pos) - (long long )v_assert >= 0LL)) && ((1LL - (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL - (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL - (long long )pos) - (long long )stopped >= 0LL)) && ((1LL - (long long )pos) - (long long )v_assert >= 0LL)) && (pos == 0) [2024-08-14 02:33:56,752 INFO L97 edCorrectnessWitness]: Location invariant before [L70-L70] (((((((((((((((((0LL - (long long )pos) + (long long )sFlag >= 0LL) && ((0LL - (long long )pos) + (long long )sEvent >= 0LL)) && ((0LL - (long long )pos) + (long long )stopped >= 0LL)) && ((0LL - (long long )pos) + (long long )v_assert >= 0LL)) && ((long long )pos + (long long )sFlag >= 0LL)) && ((long long )pos + (long long )sEvent >= 0LL)) && ((long long )pos + (long long )stopped >= 0LL)) && ((long long )pos + (long long )v_assert >= 0LL)) && ((1LL + (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL + (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL + (long long )pos) - (long long )stopped >= 0LL)) && ((1LL + (long long )pos) - (long long )v_assert >= 0LL)) && ((1LL - (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL - (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL - (long long )pos) - (long long )stopped >= 0LL)) && ((1LL - (long long )pos) - (long long )v_assert >= 0LL)) && (pos == 0) [2024-08-14 02:33:56,752 INFO L97 edCorrectnessWitness]: Location invariant before [L84-L84] (((((((((((((((((0LL - (long long )pos) + (long long )sFlag >= 0LL) && ((0LL - (long long )pos) + (long long )sEvent >= 0LL)) && ((0LL - (long long )pos) + (long long )stopped >= 0LL)) && ((0LL - (long long )pos) + (long long )v_assert >= 0LL)) && ((long long )pos + (long long )sFlag >= 0LL)) && ((long long )pos + (long long )sEvent >= 0LL)) && ((long long )pos + (long long )stopped >= 0LL)) && ((long long )pos + (long long )v_assert >= 0LL)) && ((1LL + (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL + (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL + (long long )pos) - (long long )stopped >= 0LL)) && ((1LL + (long long )pos) - (long long )v_assert >= 0LL)) && ((1LL - (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL - (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL - (long long )pos) - (long long )stopped >= 0LL)) && ((1LL - (long long )pos) - (long long )v_assert >= 0LL)) && (pos == 0) [2024-08-14 02:33:56,753 INFO L97 edCorrectnessWitness]: Location invariant before [L43-L43] (((((((((((((((((0LL - (long long )pos) + (long long )sFlag >= 0LL) && ((0LL - (long long )pos) + (long long )sEvent >= 0LL)) && ((0LL - (long long )pos) + (long long )stopped >= 0LL)) && ((0LL - (long long )pos) + (long long )v_assert >= 0LL)) && ((long long )pos + (long long )sFlag >= 0LL)) && ((long long )pos + (long long )sEvent >= 0LL)) && ((long long )pos + (long long )stopped >= 0LL)) && ((long long )pos + (long long )v_assert >= 0LL)) && ((1LL + (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL + (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL + (long long )pos) - (long long )stopped >= 0LL)) && ((1LL + (long long )pos) - (long long )v_assert >= 0LL)) && ((1LL - (long long )pos) - (long long )sFlag >= 0LL)) && ((1LL - (long long )pos) - (long long )sEvent >= 0LL)) && ((1LL - (long long )pos) - (long long )stopped >= 0LL)) && ((1LL - (long long )pos) - (long long )v_assert >= 0LL)) && (pos == 0) [2024-08-14 02:33:56,777 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 02:33:57,035 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 02:33:57,051 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-14 02:33:57,191 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 02:33:57,211 INFO L206 MainTranslator]: Completed translation [2024-08-14 02:33:57,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:33:57 WrapperNode [2024-08-14 02:33:57,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 02:33:57,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 02:33:57,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 02:33:57,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 02:33:57,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:33:57" (1/1) ... [2024-08-14 02:33:57,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:33:57" (1/1) ... [2024-08-14 02:33:57,300 INFO L138 Inliner]: procedures = 20, calls = 39, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 126 [2024-08-14 02:33:57,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 02:33:57,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 02:33:57,302 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 02:33:57,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 02:33:57,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:33:57" (1/1) ... [2024-08-14 02:33:57,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:33:57" (1/1) ... [2024-08-14 02:33:57,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:33:57" (1/1) ... [2024-08-14 02:33:57,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:33:57" (1/1) ... [2024-08-14 02:33:57,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:33:57" (1/1) ... [2024-08-14 02:33:57,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:33:57" (1/1) ... [2024-08-14 02:33:57,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:33:57" (1/1) ... [2024-08-14 02:33:57,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:33:57" (1/1) ... [2024-08-14 02:33:57,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 02:33:57,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 02:33:57,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 02:33:57,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 02:33:57,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:33:57" (1/1) ... [2024-08-14 02:33:57,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 02:33:57,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 02:33:57,399 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) [2024-08-14 02:33:57,402 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 [2024-08-14 02:33:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 02:33:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-14 02:33:57,438 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-14 02:33:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-14 02:33:57,438 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-14 02:33:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-14 02:33:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-14 02:33:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-14 02:33:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 02:33:57,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 02:33:57,441 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-14 02:33:57,546 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 02:33:57,549 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 02:33:58,032 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 02:33:58,032 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 02:33:58,328 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 02:33:58,328 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 02:33:58,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:33:58 BoogieIcfgContainer [2024-08-14 02:33:58,329 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-14 02:33:58,331 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 02:33:58,332 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 02:33:58,335 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 02:33:58,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 02:33:54" (1/4) ... [2024-08-14 02:33:58,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f8a14b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 02:33:58, skipping insertion in model container [2024-08-14 02:33:58,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:33:56" (2/4) ... [2024-08-14 02:33:58,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f8a14b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:33:58, skipping insertion in model container [2024-08-14 02:33:58,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:33:57" (3/4) ... [2024-08-14 02:33:58,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f8a14b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:33:58, skipping insertion in model container [2024-08-14 02:33:58,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:33:58" (4/4) ... [2024-08-14 02:33:58,339 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2024-08-14 02:33:58,360 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 02:33:58,361 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-08-14 02:33:58,361 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-14 02:33:58,430 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-14 02:33:58,478 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 02:33:58,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 02:33:58,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 02:33:58,481 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) [2024-08-14 02:33:58,483 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 [2024-08-14 02:33:58,516 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 02:33:58,529 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork1 ======== [2024-08-14 02:33:58,536 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@5258abb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 02:33:58,536 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-08-14 02:33:58,639 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-14 02:33:58,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 02:33:58,644 INFO L85 PathProgramCache]: Analyzing trace with hash 675427514, now seen corresponding path program 1 times [2024-08-14 02:33:58,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 02:33:58,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156342385] [2024-08-14 02:33:58,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 02:33:58,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 02:33:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 02:33:59,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 02:33:59,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 02:33:59,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156342385] [2024-08-14 02:33:59,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156342385] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 02:33:59,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 02:33:59,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-14 02:33:59,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023493323] [2024-08-14 02:33:59,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 02:33:59,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 02:33:59,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 02:33:59,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 02:33:59,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 02:33:59,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:33:59,356 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 02:33:59,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-08-14 02:33:59,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:33:59,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:33:59,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 02:33:59,585 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-14 02:33:59,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 02:33:59,586 INFO L85 PathProgramCache]: Analyzing trace with hash 569367285, now seen corresponding path program 1 times [2024-08-14 02:33:59,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 02:33:59,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078701492] [2024-08-14 02:33:59,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 02:33:59,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 02:33:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 02:33:59,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 02:33:59,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 02:33:59,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078701492] [2024-08-14 02:33:59,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078701492] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 02:33:59,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 02:33:59,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 02:33:59,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129048397] [2024-08-14 02:33:59,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 02:33:59,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 02:33:59,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 02:33:59,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 02:33:59,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-08-14 02:33:59,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:33:59,988 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 02:33:59,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2024-08-14 02:33:59,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:33:59,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:34:00,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:34:00,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 02:34:00,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-14 02:34:00,198 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-14 02:34:00,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 02:34:00,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1659449956, now seen corresponding path program 1 times [2024-08-14 02:34:00,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 02:34:00,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702123926] [2024-08-14 02:34:00,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 02:34:00,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 02:34:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 02:34:00,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 02:34:00,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 02:34:00,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702123926] [2024-08-14 02:34:00,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702123926] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 02:34:00,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 02:34:00,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 02:34:00,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613277186] [2024-08-14 02:34:00,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 02:34:00,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 02:34:00,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 02:34:00,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 02:34:00,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-08-14 02:34:00,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:34:00,498 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 02:34:00,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2024-08-14 02:34:00,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:34:00,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 02:34:00,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:34:01,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:34:01,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 02:34:01,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 02:34:01,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 7 remaining) [2024-08-14 02:34:01,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 7 remaining) [2024-08-14 02:34:01,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 7 remaining) [2024-08-14 02:34:01,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 7 remaining) [2024-08-14 02:34:01,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 7 remaining) [2024-08-14 02:34:01,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 7 remaining) [2024-08-14 02:34:01,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 7 remaining) [2024-08-14 02:34:01,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-14 02:34:01,218 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-08-14 02:34:01,221 INFO L308 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork1 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/3) [2024-08-14 02:34:01,227 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 02:34:01,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 02:34:01,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 02:34:01,245 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 02:34:01,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-08-14 02:34:01,251 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 02:34:01,251 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ======== [2024-08-14 02:34:01,252 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@5258abb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 02:34:01,252 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-14 02:34:01,305 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-14 02:34:01,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 02:34:01,305 INFO L85 PathProgramCache]: Analyzing trace with hash 13799178, now seen corresponding path program 1 times [2024-08-14 02:34:01,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 02:34:01,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859424277] [2024-08-14 02:34:01,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 02:34:01,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 02:34:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 02:34:01,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 02:34:01,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 02:34:01,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859424277] [2024-08-14 02:34:01,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859424277] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 02:34:01,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 02:34:01,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-14 02:34:01,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595107996] [2024-08-14 02:34:01,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 02:34:01,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 02:34:01,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 02:34:01,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 02:34:01,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 02:34:01,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:34:01,416 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 02:34:01,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2024-08-14 02:34:01,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:34:01,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:34:01,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-14 02:34:01,607 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-14 02:34:01,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 02:34:01,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1734054668, now seen corresponding path program 1 times [2024-08-14 02:34:01,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 02:34:01,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338912700] [2024-08-14 02:34:01,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 02:34:01,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 02:34:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 02:34:01,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 02:34:01,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 02:34:01,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338912700] [2024-08-14 02:34:01,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338912700] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 02:34:01,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 02:34:01,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 02:34:01,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877354139] [2024-08-14 02:34:01,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 02:34:01,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 02:34:01,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 02:34:01,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 02:34:01,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-08-14 02:34:01,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:34:01,877 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 02:34:01,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2024-08-14 02:34:01,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:34:01,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:34:02,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:34:02,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:34:02,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-08-14 02:34:02,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-08-14 02:34:02,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 4 remaining) [2024-08-14 02:34:02,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 4 remaining) [2024-08-14 02:34:02,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-14 02:34:02,292 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-08-14 02:34:02,295 INFO L308 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE (2/3) [2024-08-14 02:34:02,297 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 02:34:02,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 02:34:02,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 02:34:02,299 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 02:34:02,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-08-14 02:34:02,306 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 02:34:02,307 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-14 02:34:02,307 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@5258abb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 02:34:02,308 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 02:34:02,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-08-14 02:34:02,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-08-14 02:34:02,450 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 02:34:02,452 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (3/3) [2024-08-14 02:34:02,453 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-14 02:34:02,453 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 02:34:02,457 INFO L507 ceAbstractionStarter]: Automizer considered 11 witness invariants [2024-08-14 02:34:02,457 INFO L508 ceAbstractionStarter]: WitnessConsidered=11 [2024-08-14 02:34:02,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:34:02 BasicIcfg [2024-08-14 02:34:02,458 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 02:34:02,459 INFO L158 Benchmark]: Toolchain (without parser) took 5789.67ms. Allocated memory was 184.5MB in the beginning and 274.7MB in the end (delta: 90.2MB). Free memory was 98.7MB in the beginning and 160.6MB in the end (delta: -61.9MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2024-08-14 02:34:02,460 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 96.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 02:34:02,460 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 143.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 02:34:02,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.21ms. Allocated memory is still 184.5MB. Free memory was 152.3MB in the beginning and 140.0MB in the end (delta: 12.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-08-14 02:34:02,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.71ms. Allocated memory is still 184.5MB. Free memory was 140.0MB in the beginning and 135.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 02:34:02,461 INFO L158 Benchmark]: Boogie Preprocessor took 59.86ms. Allocated memory is still 184.5MB. Free memory was 135.8MB in the beginning and 133.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 02:34:02,461 INFO L158 Benchmark]: RCFGBuilder took 966.63ms. Allocated memory was 184.5MB in the beginning and 224.4MB in the end (delta: 39.8MB). Free memory was 133.7MB in the beginning and 148.6MB in the end (delta: -14.9MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2024-08-14 02:34:02,462 INFO L158 Benchmark]: TraceAbstraction took 4127.90ms. Allocated memory was 224.4MB in the beginning and 274.7MB in the end (delta: 50.3MB). Free memory was 147.5MB in the beginning and 160.6MB in the end (delta: -13.1MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2024-08-14 02:34:02,463 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 0.09ms. Allocated memory is still 96.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 143.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.21ms. Allocated memory is still 184.5MB. Free memory was 152.3MB in the beginning and 140.0MB in the end (delta: 12.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.71ms. Allocated memory is still 184.5MB. Free memory was 140.0MB in the beginning and 135.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.86ms. Allocated memory is still 184.5MB. Free memory was 135.8MB in the beginning and 133.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 966.63ms. Allocated memory was 184.5MB in the beginning and 224.4MB in the end (delta: 39.8MB). Free memory was 133.7MB in the beginning and 148.6MB in the end (delta: -14.9MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4127.90ms. Allocated memory was 224.4MB in the beginning and 274.7MB in the end (delta: 50.3MB). Free memory was 147.5MB in the beginning and 160.6MB in the end (delta: -13.1MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1538, independent: 1374, independent conditional: 692, independent unconditional: 682, dependent: 164, dependent conditional: 149, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1394, independent: 1374, independent conditional: 692, independent unconditional: 682, dependent: 20, dependent conditional: 5, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1394, independent: 1374, independent conditional: 692, independent unconditional: 682, dependent: 20, dependent conditional: 5, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1406, independent: 1374, independent conditional: 1, independent unconditional: 1373, dependent: 32, dependent conditional: 11, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1406, independent: 1374, independent conditional: 1, independent unconditional: 1373, dependent: 32, dependent conditional: 11, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1406, independent: 1374, independent conditional: 1, independent unconditional: 1373, dependent: 32, dependent conditional: 11, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 707, independent: 683, independent conditional: 1, independent unconditional: 682, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 707, independent: 592, independent conditional: 0, independent unconditional: 592, dependent: 115, dependent conditional: 0, dependent unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 115, independent: 91, independent conditional: 1, independent unconditional: 90, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 115, independent: 91, independent conditional: 1, independent unconditional: 90, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 730, independent: 585, independent conditional: 7, independent unconditional: 578, dependent: 145, dependent conditional: 66, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1406, independent: 691, independent conditional: 0, independent unconditional: 691, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 707, unknown conditional: 10, unknown unconditional: 697] , Statistics on independence cache: Total cache size (in pairs): 707, Positive cache size: 683, Positive conditional cache size: 1, Positive unconditional cache size: 682, Negative cache size: 24, Negative conditional cache size: 9, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 3, Independence queries for same thread: 144 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.7s, Number of persistent set computation: 94, Number of trivial persistent sets: 20, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 697, independent: 682, independent conditional: 0, independent unconditional: 682, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1538, independent: 1374, independent conditional: 692, independent unconditional: 682, dependent: 164, dependent conditional: 149, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1394, independent: 1374, independent conditional: 692, independent unconditional: 682, dependent: 20, dependent conditional: 5, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1394, independent: 1374, independent conditional: 692, independent unconditional: 682, dependent: 20, dependent conditional: 5, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1406, independent: 1374, independent conditional: 1, independent unconditional: 1373, dependent: 32, dependent conditional: 11, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1406, independent: 1374, independent conditional: 1, independent unconditional: 1373, dependent: 32, dependent conditional: 11, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1406, independent: 1374, independent conditional: 1, independent unconditional: 1373, dependent: 32, dependent conditional: 11, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 707, independent: 683, independent conditional: 1, independent unconditional: 682, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 707, independent: 592, independent conditional: 0, independent unconditional: 592, dependent: 115, dependent conditional: 0, dependent unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 115, independent: 91, independent conditional: 1, independent unconditional: 90, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 115, independent: 91, independent conditional: 1, independent unconditional: 90, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 730, independent: 585, independent conditional: 7, independent unconditional: 578, dependent: 145, dependent conditional: 66, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1406, independent: 691, independent conditional: 0, independent unconditional: 691, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 707, unknown conditional: 10, unknown unconditional: 697] , Statistics on independence cache: Total cache size (in pairs): 707, Positive cache size: 683, Positive conditional cache size: 1, Positive unconditional cache size: 682, Negative cache size: 24, Negative conditional cache size: 9, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 3, Independence queries for same thread: 144 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 970, independent: 892, independent conditional: 277, independent unconditional: 615, dependent: 78, dependent conditional: 63, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 916, independent: 892, independent conditional: 277, independent unconditional: 615, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 916, independent: 892, independent conditional: 277, independent unconditional: 615, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 926, independent: 892, independent conditional: 0, independent unconditional: 892, dependent: 34, dependent conditional: 10, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 926, independent: 892, independent conditional: 0, independent unconditional: 892, dependent: 34, dependent conditional: 8, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 926, independent: 892, independent conditional: 0, independent unconditional: 892, dependent: 34, dependent conditional: 8, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 637, independent: 615, independent conditional: 0, independent unconditional: 615, dependent: 22, dependent conditional: 7, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 637, independent: 532, independent conditional: 0, independent unconditional: 532, dependent: 105, dependent conditional: 0, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 105, independent: 83, independent conditional: 0, independent unconditional: 83, dependent: 22, dependent conditional: 7, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 105, independent: 83, independent conditional: 0, independent unconditional: 83, dependent: 22, dependent conditional: 7, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 480, independent: 383, independent conditional: 0, independent unconditional: 383, dependent: 97, dependent conditional: 41, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 926, independent: 277, independent conditional: 0, independent unconditional: 277, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 637, unknown conditional: 7, unknown unconditional: 630] , Statistics on independence cache: Total cache size (in pairs): 637, Positive cache size: 615, Positive conditional cache size: 0, Positive unconditional cache size: 615, Negative cache size: 22, Negative conditional cache size: 7, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 2, Independence queries for same thread: 54 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 46, Number of trivial persistent sets: 8, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 630, independent: 615, independent conditional: 0, independent unconditional: 615, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 970, independent: 892, independent conditional: 277, independent unconditional: 615, dependent: 78, dependent conditional: 63, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 916, independent: 892, independent conditional: 277, independent unconditional: 615, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 916, independent: 892, independent conditional: 277, independent unconditional: 615, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 926, independent: 892, independent conditional: 0, independent unconditional: 892, dependent: 34, dependent conditional: 10, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 926, independent: 892, independent conditional: 0, independent unconditional: 892, dependent: 34, dependent conditional: 8, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 926, independent: 892, independent conditional: 0, independent unconditional: 892, dependent: 34, dependent conditional: 8, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 637, independent: 615, independent conditional: 0, independent unconditional: 615, dependent: 22, dependent conditional: 7, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 637, independent: 532, independent conditional: 0, independent unconditional: 532, dependent: 105, dependent conditional: 0, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 105, independent: 83, independent conditional: 0, independent unconditional: 83, dependent: 22, dependent conditional: 7, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 105, independent: 83, independent conditional: 0, independent unconditional: 83, dependent: 22, dependent conditional: 7, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 480, independent: 383, independent conditional: 0, independent unconditional: 383, dependent: 97, dependent conditional: 41, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 926, independent: 277, independent conditional: 0, independent unconditional: 277, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 637, unknown conditional: 7, unknown unconditional: 630] , Statistics on independence cache: Total cache size (in pairs): 637, Positive cache size: 615, Positive conditional cache size: 0, Positive unconditional cache size: 615, Negative cache size: 22, Negative conditional cache size: 7, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 2, Independence queries for same thread: 54 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 329, independent: 319, independent conditional: 12, independent unconditional: 307, dependent: 10, dependent conditional: 5, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 324, independent: 319, independent conditional: 12, independent unconditional: 307, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 324, independent: 319, independent conditional: 12, independent unconditional: 307, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 324, independent: 319, independent conditional: 0, independent unconditional: 319, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 324, independent: 319, independent conditional: 0, independent unconditional: 319, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 324, independent: 319, independent conditional: 0, independent unconditional: 319, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 312, independent: 307, independent conditional: 0, independent unconditional: 307, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 312, independent: 281, independent conditional: 0, independent unconditional: 281, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 130, independent: 112, independent conditional: 0, independent unconditional: 112, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 324, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 312, unknown conditional: 0, unknown unconditional: 312] , Statistics on independence cache: Total cache size (in pairs): 312, Positive cache size: 307, Positive conditional cache size: 0, Positive unconditional cache size: 307, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 5 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 26, Number of trivial persistent sets: 26, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 312, independent: 307, independent conditional: 0, independent unconditional: 307, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 329, independent: 319, independent conditional: 12, independent unconditional: 307, dependent: 10, dependent conditional: 5, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 324, independent: 319, independent conditional: 12, independent unconditional: 307, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 324, independent: 319, independent conditional: 12, independent unconditional: 307, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 324, independent: 319, independent conditional: 0, independent unconditional: 319, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 324, independent: 319, independent conditional: 0, independent unconditional: 319, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 324, independent: 319, independent conditional: 0, independent unconditional: 319, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 312, independent: 307, independent conditional: 0, independent unconditional: 307, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 312, independent: 281, independent conditional: 0, independent unconditional: 281, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 130, independent: 112, independent conditional: 0, independent unconditional: 112, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 324, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 312, unknown conditional: 0, unknown unconditional: 312] , Statistics on independence cache: Total cache size (in pairs): 312, Positive cache size: 307, Positive conditional cache size: 0, Positive unconditional cache size: 307, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 5 - PositiveResult [Line: 64]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 67]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 70]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 73]: 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: 81]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 84]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 43]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 48]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 51]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 55]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 71 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.2s, 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: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 783 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 71 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, 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: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 408 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 71 locations, 24 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 - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-14 02:34:02,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2024-08-14 02:34:02,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2024-08-14 02:34:02,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-08-14 02:34:03,101 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