./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 --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/parallel-bluetooth.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 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.2024-09-02_08-21-23.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.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 14:57:38,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 14:57:38,590 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 14:57:38,597 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 14:57:38,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 14:57:38,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 14:57:38,619 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 14:57:38,619 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 14:57:38,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 14:57:38,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 14:57:38,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 14:57:38,621 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 14:57:38,622 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 14:57:38,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 14:57:38,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 14:57:38,623 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 14:57:38,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 14:57:38,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 14:57:38,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 14:57:38,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 14:57:38,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 14:57:38,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 14:57:38,628 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 14:57:38,628 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 14:57:38,628 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 14:57:38,629 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 14:57:38,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 14:57:38,629 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 14:57:38,629 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 14:57:38,629 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 14:57:38,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 14:57:38,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 14:57:38,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 14:57:38,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 14:57:38,631 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 14:57:38,631 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 14:57:38,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 14:57:38,633 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 14:57:38,633 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 14:57:38,633 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 14:57:38,633 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 14:57:38,634 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 14:57:38,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 14:57:38,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 14:57:38,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 14:57:38,882 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 14:57:38,882 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 14:57:38,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-local/parallel-bluetooth.wvr.yml/witness.yml [2024-09-08 14:57:39,035 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 14:57:39,036 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 14:57:39,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2024-09-08 14:57:40,520 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 14:57:40,709 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 14:57:40,710 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2024-09-08 14:57:40,715 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b5ea088f3/61628b712b814b949ebfd49be5a3ba99/FLAGa05ff547f [2024-09-08 14:57:40,732 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b5ea088f3/61628b712b814b949ebfd49be5a3ba99 [2024-09-08 14:57:40,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 14:57:40,736 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 14:57:40,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 14:57:40,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 14:57:40,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 14:57:40,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:57:39" (1/2) ... [2024-09-08 14:57:40,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48501e88 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:57:40, skipping insertion in model container [2024-09-08 14:57:40,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:57:39" (1/2) ... [2024-09-08 14:57:40,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ab9197a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:57:40, skipping insertion in model container [2024-09-08 14:57:40,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:57:40" (2/2) ... [2024-09-08 14:57:40,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48501e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:40, skipping insertion in model container [2024-09-08 14:57:40,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:57:40" (2/2) ... [2024-09-08 14:57:40,778 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 14:57:40,779 INFO L1541 ArrayList]: 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) [2024-09-08 14:57:40,779 INFO L1541 ArrayList]: 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) [2024-09-08 14:57:40,779 INFO L1541 ArrayList]: 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) [2024-09-08 14:57:40,779 INFO L1541 ArrayList]: 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) [2024-09-08 14:57:40,779 INFO L1541 ArrayList]: 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) [2024-09-08 14:57:40,779 INFO L1541 ArrayList]: 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) [2024-09-08 14:57:40,779 INFO L1541 ArrayList]: 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) [2024-09-08 14:57:40,780 INFO L1541 ArrayList]: 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) [2024-09-08 14:57:40,780 INFO L1541 ArrayList]: 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) [2024-09-08 14:57:40,780 INFO L1541 ArrayList]: 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) [2024-09-08 14:57:40,780 INFO L1541 ArrayList]: 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) [2024-09-08 14:57:40,800 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 14:57:40,987 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c[3160,3173] [2024-09-08 14:57:40,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 14:57:41,009 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 14:57:41,133 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c[3160,3173] [2024-09-08 14:57:41,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 14:57:41,152 INFO L204 MainTranslator]: Completed translation [2024-09-08 14:57:41,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41 WrapperNode [2024-09-08 14:57:41,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 14:57:41,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 14:57:41,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 14:57:41,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 14:57:41,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2024-09-08 14:57:41,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2024-09-08 14:57:41,230 INFO L138 Inliner]: procedures = 20, calls = 38, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 131 [2024-09-08 14:57:41,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 14:57:41,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 14:57:41,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 14:57:41,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 14:57:41,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2024-09-08 14:57:41,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2024-09-08 14:57:41,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2024-09-08 14:57:41,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2024-09-08 14:57:41,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2024-09-08 14:57:41,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2024-09-08 14:57:41,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2024-09-08 14:57:41,276 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2024-09-08 14:57:41,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 14:57:41,284 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 14:57:41,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 14:57:41,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 14:57:41,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2024-09-08 14:57:41,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 14:57:41,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:57:41,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-08 14:57:41,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-08 14:57:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 14:57:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 14:57:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 14:57:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 14:57:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 14:57:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 14:57:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 14:57:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 14:57:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 14:57:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 14:57:41,364 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 14:57:41,434 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 14:57:41,435 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 14:57:41,989 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 14:57:41,989 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 14:57:42,268 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 14:57:42,269 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-08 14:57:42,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:57:42 BoogieIcfgContainer [2024-09-08 14:57:42,270 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 14:57:42,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 14:57:42,273 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 14:57:42,277 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 14:57:42,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:57:39" (1/4) ... [2024-09-08 14:57:42,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179ea00 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 02:57:42, skipping insertion in model container [2024-09-08 14:57:42,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 02:57:40" (2/4) ... [2024-09-08 14:57:42,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179ea00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:57:42, skipping insertion in model container [2024-09-08 14:57:42,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (3/4) ... [2024-09-08 14:57:42,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179ea00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:57:42, skipping insertion in model container [2024-09-08 14:57:42,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:57:42" (4/4) ... [2024-09-08 14:57:42,281 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2024-09-08 14:57:42,300 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 14:57:42,301 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-09-08 14:57:42,301 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 14:57:42,381 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-09-08 14:57:42,424 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:57:42,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 14:57:42,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:57:42,427 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 14:57:42,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-08 14:57:42,463 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 14:57:42,476 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork0 ======== [2024-09-08 14:57:42,482 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@40d29649, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:57:42,482 INFO L337 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-09-08 14:57:42,601 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:57:42,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:57:42,606 INFO L85 PathProgramCache]: Analyzing trace with hash 423990140, now seen corresponding path program 1 times [2024-09-08 14:57:42,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:57:42,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964967305] [2024-09-08 14:57:42,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:57:42,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:57:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:57:43,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:57:43,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:57:43,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964967305] [2024-09-08 14:57:43,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964967305] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:57:43,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:57:43,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 14:57:43,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300076795] [2024-09-08 14:57:43,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:57:43,273 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 14:57:43,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:57:43,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 14:57:43,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 14:57:43,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:57:43,300 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:57:43,301 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) 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) [2024-09-08 14:57:43,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:57:43,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:57:43,515 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 14:57:43,515 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:57:43,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:57:43,516 INFO L85 PathProgramCache]: Analyzing trace with hash 111491268, now seen corresponding path program 1 times [2024-09-08 14:57:43,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:57:43,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405702477] [2024-09-08 14:57:43,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:57:43,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:57:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:57:43,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:57:43,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:57:43,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405702477] [2024-09-08 14:57:43,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405702477] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:57:43,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:57:43,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 14:57:43,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221577187] [2024-09-08 14:57:43,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:57:43,969 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 14:57:43,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:57:43,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 14:57:43,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-09-08 14:57:43,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:57:43,972 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:57:43,972 INFO L475 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) [2024-09-08 14:57:43,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:57:43,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:57:44,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:57:44,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:57:44,182 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 14:57:44,183 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 14:57:44,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:57:44,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1959455514, now seen corresponding path program 1 times [2024-09-08 14:57:44,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:57:44,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001038810] [2024-09-08 14:57:44,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:57:44,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:57:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:57:44,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:57:44,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:57:44,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001038810] [2024-09-08 14:57:44,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001038810] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:57:44,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:57:44,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 14:57:44,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204601777] [2024-09-08 14:57:44,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:57:44,548 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 14:57:44,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:57:44,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 14:57:44,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-09-08 14:57:44,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:57:44,552 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:57:44,553 INFO L475 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) [2024-09-08 14:57:44,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:57:44,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:57:44,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:57:45,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:57:45,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:57:45,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:57:45,196 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 7 remaining) [2024-09-08 14:57:45,196 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 7 remaining) [2024-09-08 14:57:45,196 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 7 remaining) [2024-09-08 14:57:45,197 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 7 remaining) [2024-09-08 14:57:45,197 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 7 remaining) [2024-09-08 14:57:45,197 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 7 remaining) [2024-09-08 14:57:45,197 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 7 remaining) [2024-09-08 14:57:45,197 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-08 14:57:45,207 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-09-08 14:57:45,208 INFO L312 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/3) [2024-09-08 14:57:45,217 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:57:45,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 14:57:45,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:57:45,238 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 14:57:45,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-09-08 14:57:45,244 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 14:57:45,244 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork1 ======== [2024-09-08 14:57:45,245 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@40d29649, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:57:45,245 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-08 14:57:45,295 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-08 14:57:45,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:57:45,297 INFO L85 PathProgramCache]: Analyzing trace with hash 14324428, now seen corresponding path program 1 times [2024-09-08 14:57:45,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:57:45,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035906625] [2024-09-08 14:57:45,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:57:45,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:57:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:57:45,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:57:45,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:57:45,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035906625] [2024-09-08 14:57:45,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035906625] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:57:45,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:57:45,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-08 14:57:45,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454710545] [2024-09-08 14:57:45,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:57:45,449 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 14:57:45,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:57:45,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 14:57:45,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 14:57:45,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:57:45,450 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:57:45,450 INFO L475 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) [2024-09-08 14:57:45,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:57:45,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:57:45,653 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-08 14:57:45,653 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-08 14:57:45,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:57:45,654 INFO L85 PathProgramCache]: Analyzing trace with hash 310579419, now seen corresponding path program 1 times [2024-09-08 14:57:45,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:57:45,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431619315] [2024-09-08 14:57:45,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:57:45,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:57:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:57:45,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:57:45,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:57:45,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431619315] [2024-09-08 14:57:45,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431619315] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:57:45,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:57:45,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 14:57:45,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448616671] [2024-09-08 14:57:45,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:57:45,920 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 14:57:45,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:57:45,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 14:57:45,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-09-08 14:57:45,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:57:45,922 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:57:45,922 INFO L475 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) [2024-09-08 14:57:45,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:57:45,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:57:46,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:57:46,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:57:46,297 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-09-08 14:57:46,297 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-09-08 14:57:46,297 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 4 remaining) [2024-09-08 14:57:46,298 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 4 remaining) [2024-09-08 14:57:46,298 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-08 14:57:46,299 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-08 14:57:46,299 INFO L312 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork1 was SAFE,SAFE,SAFE,SAFE (2/3) [2024-09-08 14:57:46,301 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:57:46,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 14:57:46,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:57:46,303 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 14:57:46,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-09-08 14:57:46,306 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 14:57:46,307 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 14:57:46,307 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@40d29649, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:57:46,307 INFO L337 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-09-08 14:57:46,475 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 14:57:46,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:57:46,476 INFO L85 PathProgramCache]: Analyzing trace with hash -371356915, now seen corresponding path program 1 times [2024-09-08 14:57:46,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:57:46,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102574747] [2024-09-08 14:57:46,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:57:46,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:57:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:57:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:57:46,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:57:46,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102574747] [2024-09-08 14:57:46,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102574747] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:57:46,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:57:46,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 14:57:46,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325077186] [2024-09-08 14:57:46,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:57:46,789 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 14:57:46,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:57:46,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 14:57:46,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-08 14:57:46,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:57:46,791 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:57:46,791 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 14:57:46,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:57:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:57:47,288 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-08 14:57:47,288 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 14:57:47,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:57:47,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1155634453, now seen corresponding path program 2 times [2024-09-08 14:57:47,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:57:47,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473893748] [2024-09-08 14:57:47,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:57:47,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:57:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:57:47,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:57:47,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:57:47,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473893748] [2024-09-08 14:57:47,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473893748] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:57:47,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:57:47,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 14:57:47,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499821294] [2024-09-08 14:57:47,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:57:47,601 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 14:57:47,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:57:47,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 14:57:47,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-08 14:57:47,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:57:47,603 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:57:47,603 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 14:57:47,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:57:47,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:57:47,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:57:47,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:57:47,840 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-09-08 14:57:47,840 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-09-08 14:57:47,841 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-09-08 14:57:47,841 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-08 14:57:47,842 INFO L408 BasicCegarLoop]: Path program histogram: [2] [2024-09-08 14:57:47,843 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (3/3) [2024-09-08 14:57:47,843 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 14:57:47,843 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 14:57:47,846 INFO L469 ceAbstractionStarter]: Automizer considered 11 witness invariants [2024-09-08 14:57:47,846 INFO L470 ceAbstractionStarter]: WitnessConsidered=11 [2024-09-08 14:57:47,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 02:57:47 BasicIcfg [2024-09-08 14:57:47,847 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 14:57:47,848 INFO L158 Benchmark]: Toolchain (without parser) took 7112.40ms. Allocated memory was 155.2MB in the beginning and 325.1MB in the end (delta: 169.9MB). Free memory was 95.9MB in the beginning and 174.5MB in the end (delta: -78.6MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. [2024-09-08 14:57:47,848 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 14:57:47,848 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 155.2MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 14:57:47,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.27ms. Allocated memory is still 155.2MB. Free memory was 95.5MB in the beginning and 74.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-08 14:57:47,849 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.25ms. Allocated memory is still 155.2MB. Free memory was 74.6MB in the beginning and 70.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-08 14:57:47,849 INFO L158 Benchmark]: Boogie Preprocessor took 51.80ms. Allocated memory is still 155.2MB. Free memory was 70.4MB in the beginning and 68.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 14:57:47,849 INFO L158 Benchmark]: RCFGBuilder took 985.76ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 68.2MB in the beginning and 162.3MB in the end (delta: -94.0MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-09-08 14:57:47,849 INFO L158 Benchmark]: TraceAbstraction took 5574.26ms. Allocated memory was 211.8MB in the beginning and 325.1MB in the end (delta: 113.2MB). Free memory was 162.3MB in the beginning and 174.5MB in the end (delta: -12.3MB). Peak memory consumption was 99.9MB. Max. memory is 16.1GB. [2024-09-08 14:57:47,851 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 0.19ms. Allocated memory is still 155.2MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.79ms. Allocated memory is still 155.2MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.27ms. Allocated memory is still 155.2MB. Free memory was 95.5MB in the beginning and 74.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.25ms. Allocated memory is still 155.2MB. Free memory was 74.6MB in the beginning and 70.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.80ms. Allocated memory is still 155.2MB. Free memory was 70.4MB in the beginning and 68.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 985.76ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 68.2MB in the beginning and 162.3MB in the end (delta: -94.0MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5574.26ms. Allocated memory was 211.8MB in the beginning and 325.1MB in the end (delta: 113.2MB). Free memory was 162.3MB in the beginning and 174.5MB in the end (delta: -12.3MB). Peak memory consumption was 99.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1539, independent: 1375, independent conditional: 693, 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: 1395, independent: 1375, independent conditional: 693, 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: 1395, independent: 1375, independent conditional: 693, 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: 1407, independent: 1375, independent conditional: 693, independent unconditional: 682, dependent: 32, dependent conditional: 17, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1407, independent: 1375, independent conditional: 1, independent unconditional: 1374, 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: 1407, independent: 1375, independent conditional: 1, independent unconditional: 1374, 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: 666, independent: 532, independent conditional: 8, independent unconditional: 524, dependent: 134, dependent conditional: 59, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1407, independent: 692, independent conditional: 0, independent unconditional: 692, 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: 698, Maximal queried relation: 3, Independence queries for same thread: 144, Persistent sets #1 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: 1539, independent: 1375, independent conditional: 693, 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: 1395, independent: 1375, independent conditional: 693, 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: 1395, independent: 1375, independent conditional: 693, 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: 1407, independent: 1375, independent conditional: 693, independent unconditional: 682, dependent: 32, dependent conditional: 17, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1407, independent: 1375, independent conditional: 1, independent unconditional: 1374, 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: 1407, independent: 1375, independent conditional: 1, independent unconditional: 1374, 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: 666, independent: 532, independent conditional: 8, independent unconditional: 524, dependent: 134, dependent conditional: 59, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1407, independent: 692, independent conditional: 0, independent unconditional: 692, 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: 698, Maximal queried relation: 3, Independence queries for same thread: 144 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 972, independent: 894, independent conditional: 279, 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: 918, independent: 894, independent conditional: 279, 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: 918, independent: 894, independent conditional: 279, 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: 928, independent: 894, independent conditional: 279, independent unconditional: 615, dependent: 34, dependent conditional: 19, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 928, independent: 894, independent conditional: 0, independent unconditional: 894, 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: 928, independent: 894, independent conditional: 0, independent unconditional: 894, 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: 435, independent: 340, independent conditional: 0, independent unconditional: 340, dependent: 95, dependent conditional: 38, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 928, independent: 279, independent conditional: 0, independent unconditional: 279, 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: 290, Maximal queried relation: 2, Independence queries for same thread: 54, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, 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: 972, independent: 894, independent conditional: 279, 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: 918, independent: 894, independent conditional: 279, 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: 918, independent: 894, independent conditional: 279, 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: 928, independent: 894, independent conditional: 279, independent unconditional: 615, dependent: 34, dependent conditional: 19, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 928, independent: 894, independent conditional: 0, independent unconditional: 894, 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: 928, independent: 894, independent conditional: 0, independent unconditional: 894, 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: 435, independent: 340, independent conditional: 0, independent unconditional: 340, dependent: 95, dependent conditional: 38, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 928, independent: 279, independent conditional: 0, independent unconditional: 279, 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: 290, Maximal queried relation: 2, Independence queries for same thread: 54 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2130, independent: 1811, independent conditional: 1144, independent unconditional: 667, dependent: 319, dependent conditional: 304, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1840, independent: 1811, independent conditional: 1144, independent unconditional: 667, dependent: 29, dependent conditional: 14, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1840, independent: 1811, independent conditional: 1144, independent unconditional: 667, dependent: 29, dependent conditional: 14, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1863, independent: 1811, independent conditional: 1144, independent unconditional: 667, dependent: 52, dependent conditional: 37, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1863, independent: 1811, independent conditional: 2, independent unconditional: 1809, dependent: 52, dependent conditional: 21, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1863, independent: 1811, independent conditional: 2, independent unconditional: 1809, dependent: 52, dependent conditional: 21, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 697, independent: 669, independent conditional: 2, independent unconditional: 667, dependent: 28, dependent conditional: 13, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 697, independent: 584, independent conditional: 0, independent unconditional: 584, dependent: 113, dependent conditional: 0, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 113, independent: 85, independent conditional: 2, independent unconditional: 83, dependent: 28, dependent conditional: 13, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 113, independent: 85, independent conditional: 2, independent unconditional: 83, dependent: 28, dependent conditional: 13, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 535, independent: 404, independent conditional: 10, independent unconditional: 395, dependent: 131, dependent conditional: 62, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1863, independent: 1142, independent conditional: 0, independent unconditional: 1142, dependent: 24, dependent conditional: 8, dependent unconditional: 16, unknown: 697, unknown conditional: 15, unknown unconditional: 682] , Statistics on independence cache: Total cache size (in pairs): 697, Positive cache size: 669, Positive conditional cache size: 2, Positive unconditional cache size: 667, Negative cache size: 28, Negative conditional cache size: 13, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1158, Maximal queried relation: 2, Independence queries for same thread: 290, Persistent sets #1 benchmarks: Persistent set computation time: 0.5s, Number of persistent set computation: 223, Number of trivial persistent sets: 116, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 682, independent: 667, independent conditional: 0, independent unconditional: 667, 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: 2130, independent: 1811, independent conditional: 1144, independent unconditional: 667, dependent: 319, dependent conditional: 304, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1840, independent: 1811, independent conditional: 1144, independent unconditional: 667, dependent: 29, dependent conditional: 14, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1840, independent: 1811, independent conditional: 1144, independent unconditional: 667, dependent: 29, dependent conditional: 14, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1863, independent: 1811, independent conditional: 1144, independent unconditional: 667, dependent: 52, dependent conditional: 37, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1863, independent: 1811, independent conditional: 2, independent unconditional: 1809, dependent: 52, dependent conditional: 21, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1863, independent: 1811, independent conditional: 2, independent unconditional: 1809, dependent: 52, dependent conditional: 21, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 697, independent: 669, independent conditional: 2, independent unconditional: 667, dependent: 28, dependent conditional: 13, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 697, independent: 584, independent conditional: 0, independent unconditional: 584, dependent: 113, dependent conditional: 0, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 113, independent: 85, independent conditional: 2, independent unconditional: 83, dependent: 28, dependent conditional: 13, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 113, independent: 85, independent conditional: 2, independent unconditional: 83, dependent: 28, dependent conditional: 13, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 535, independent: 404, independent conditional: 10, independent unconditional: 395, dependent: 131, dependent conditional: 62, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1863, independent: 1142, independent conditional: 0, independent unconditional: 1142, dependent: 24, dependent conditional: 8, dependent unconditional: 16, unknown: 697, unknown conditional: 15, unknown unconditional: 682] , Statistics on independence cache: Total cache size (in pairs): 697, Positive cache size: 669, Positive conditional cache size: 2, Positive unconditional cache size: 667, Negative cache size: 28, Negative conditional cache size: 13, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1158, Maximal queried relation: 2, Independence queries for same thread: 290 - 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 - PositiveResult [Line: 115]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread2Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 73 locations, 25 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, 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, 651 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 73 locations, 25 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 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, 73 locations, 25 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 435 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 - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-08 14:57:47,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2024-09-08 14:57:48,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2024-09-08 14:57:48,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-08 14:57:48,486 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