./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/parallel-bluetooth.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-24 00:37:04,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-24 00:37:04,817 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-24 00:37:04,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-24 00:37:04,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-24 00:37:04,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-24 00:37:04,864 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-24 00:37:04,864 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-24 00:37:04,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-24 00:37:04,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-24 00:37:04,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-24 00:37:04,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-24 00:37:04,868 INFO L153 SettingsManager]: * Use SBE=true [2024-09-24 00:37:04,869 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-24 00:37:04,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-24 00:37:04,873 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-24 00:37:04,873 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-24 00:37:04,873 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-24 00:37:04,873 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-24 00:37:04,874 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-24 00:37:04,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-24 00:37:04,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-24 00:37:04,874 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-24 00:37:04,875 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-24 00:37:04,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-24 00:37:04,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-24 00:37:04,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-24 00:37:04,876 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-24 00:37:04,876 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-24 00:37:04,876 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-24 00:37:04,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-24 00:37:04,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-24 00:37:04,877 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-24 00:37:04,877 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-24 00:37:04,877 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-24 00:37:04,877 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-24 00:37:04,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-24 00:37:04,878 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-24 00:37:04,878 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-24 00:37:04,880 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-24 00:37:04,881 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-24 00:37:04,881 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-24 00:37:05,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-24 00:37:05,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-24 00:37:05,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-24 00:37:05,166 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-24 00:37:05,166 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-24 00:37:05,168 INFO L431 ainManager$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 [2024-09-24 00:37:05,361 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-24 00:37:05,362 INFO L274 PluginConnector]: CDTParser initialized [2024-09-24 00:37:05,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2024-09-24 00:37:06,840 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-24 00:37:07,042 INFO L384 CDTParser]: Found 1 translation units. [2024-09-24 00:37:07,043 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2024-09-24 00:37:07,051 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9747dc7fb/3073cc9b4a5a4c6199833126ab46d98a/FLAG07d357036 [2024-09-24 00:37:07,067 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9747dc7fb/3073cc9b4a5a4c6199833126ab46d98a [2024-09-24 00:37:07,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-24 00:37:07,069 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-24 00:37:07,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-24 00:37:07,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-24 00:37:07,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-24 00:37:07,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 12:37:05" (1/2) ... [2024-09-24 00:37:07,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb4eafc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 12:37:07, skipping insertion in model container [2024-09-24 00:37:07,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 12:37:05" (1/2) ... [2024-09-24 00:37:07,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@53397d05 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 12:37:07, skipping insertion in model container [2024-09-24 00:37:07,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 12:37:07" (2/2) ... [2024-09-24 00:37:07,081 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb4eafc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:37:07, skipping insertion in model container [2024-09-24 00:37:07,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 12:37:07" (2/2) ... [2024-09-24 00:37:07,130 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-24 00:37:07,131 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) [2024-09-24 00:37:07,131 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) [2024-09-24 00:37:07,131 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) [2024-09-24 00:37:07,132 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) [2024-09-24 00:37:07,132 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) [2024-09-24 00:37:07,132 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) [2024-09-24 00:37:07,132 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) [2024-09-24 00:37:07,132 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) [2024-09-24 00:37:07,133 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) [2024-09-24 00:37:07,133 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) [2024-09-24 00:37:07,133 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) [2024-09-24 00:37:07,156 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-24 00:37:07,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-24 00:37:07,381 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 [2024-09-24 00:37:07,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-24 00:37:07,594 INFO L204 MainTranslator]: Completed translation [2024-09-24 00:37:07,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:37:07 WrapperNode [2024-09-24 00:37:07,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-24 00:37:07,597 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-24 00:37:07,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-24 00:37:07,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-24 00:37:07,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:37:07" (1/1) ... [2024-09-24 00:37:07,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:37:07" (1/1) ... [2024-09-24 00:37:07,685 INFO L138 Inliner]: procedures = 20, calls = 39, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 133 [2024-09-24 00:37:07,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-24 00:37:07,689 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-24 00:37:07,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-24 00:37:07,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-24 00:37:07,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:37:07" (1/1) ... [2024-09-24 00:37:07,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:37:07" (1/1) ... [2024-09-24 00:37:07,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:37:07" (1/1) ... [2024-09-24 00:37:07,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:37:07" (1/1) ... [2024-09-24 00:37:07,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:37:07" (1/1) ... [2024-09-24 00:37:07,733 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:37:07" (1/1) ... [2024-09-24 00:37:07,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:37:07" (1/1) ... [2024-09-24 00:37:07,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:37:07" (1/1) ... [2024-09-24 00:37:07,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-24 00:37:07,758 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-24 00:37:07,758 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-24 00:37:07,758 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-24 00:37:07,759 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:37:07" (1/1) ... [2024-09-24 00:37:07,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-24 00:37:07,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 00:37:07,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-24 00:37:07,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-24 00:37:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-24 00:37:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-24 00:37:07,852 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-24 00:37:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-24 00:37:07,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-24 00:37:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-24 00:37:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-24 00:37:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-24 00:37:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-24 00:37:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-24 00:37:07,856 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-24 00:37:07,950 INFO L242 CfgBuilder]: Building ICFG [2024-09-24 00:37:07,952 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-24 00:37:08,507 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-24 00:37:08,507 INFO L291 CfgBuilder]: Performing block encoding [2024-09-24 00:37:08,832 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-24 00:37:08,834 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-24 00:37:08,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 12:37:08 BoogieIcfgContainer [2024-09-24 00:37:08,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-24 00:37:08,836 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-24 00:37:08,836 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-24 00:37:08,843 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-24 00:37:08,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 12:37:05" (1/4) ... [2024-09-24 00:37:08,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3acf3e02 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 24.09 12:37:08, skipping insertion in model container [2024-09-24 00:37:08,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 12:37:07" (2/4) ... [2024-09-24 00:37:08,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3acf3e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 12:37:08, skipping insertion in model container [2024-09-24 00:37:08,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:37:07" (3/4) ... [2024-09-24 00:37:08,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3acf3e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 12:37:08, skipping insertion in model container [2024-09-24 00:37:08,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 12:37:08" (4/4) ... [2024-09-24 00:37:08,848 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2024-09-24 00:37:08,866 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-24 00:37:08,867 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-09-24 00:37:08,867 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-24 00:37:08,982 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-09-24 00:37:09,037 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 00:37:09,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 00:37:09,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 00:37:09,040 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-24 00:37:09,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-24 00:37:09,083 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 00:37:09,098 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork0 ======== [2024-09-24 00:37:09,107 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;@2a36c833, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 00:37:09,108 INFO L337 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-09-24 00:37:09,241 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-24 00:37:09,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:37:09,248 INFO L85 PathProgramCache]: Analyzing trace with hash 838635194, now seen corresponding path program 1 times [2024-09-24 00:37:09,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:37:09,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398695596] [2024-09-24 00:37:09,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:37:09,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:37:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:37:09,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:37:09,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:37:09,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398695596] [2024-09-24 00:37:09,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398695596] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:37:09,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:37:09,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-24 00:37:09,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476741279] [2024-09-24 00:37:09,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:37:10,003 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 00:37:10,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:37:10,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 00:37:10,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 00:37:10,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:37:10,032 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:37:10,033 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) [2024-09-24 00:37:10,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:37:10,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:37:10,260 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-24 00:37:10,261 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-24 00:37:10,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:37:10,261 INFO L85 PathProgramCache]: Analyzing trace with hash -2120192569, now seen corresponding path program 1 times [2024-09-24 00:37:10,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:37:10,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266400829] [2024-09-24 00:37:10,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:37:10,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:37:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:37:10,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:37:10,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:37:10,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266400829] [2024-09-24 00:37:10,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266400829] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:37:10,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:37:10,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-24 00:37:10,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752342763] [2024-09-24 00:37:10,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:37:10,753 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-24 00:37:10,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:37:10,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-24 00:37:10,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-09-24 00:37:10,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:37:10,755 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:37:10,756 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) [2024-09-24 00:37:10,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:37:10,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:37:10,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:37:10,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:37:10,983 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-24 00:37:10,983 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-24 00:37:10,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:37:10,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1572630440, now seen corresponding path program 1 times [2024-09-24 00:37:10,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:37:10,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931659793] [2024-09-24 00:37:10,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:37:10,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:37:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:37:11,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:37:11,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:37:11,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931659793] [2024-09-24 00:37:11,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931659793] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:37:11,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:37:11,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-24 00:37:11,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129201623] [2024-09-24 00:37:11,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:37:11,350 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-24 00:37:11,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:37:11,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-24 00:37:11,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-09-24 00:37:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:37:11,354 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:37:11,354 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) [2024-09-24 00:37:11,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:37:11,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:37:11,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:37:12,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:37:12,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:37:12,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:37:12,050 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 7 remaining) [2024-09-24 00:37:12,051 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 7 remaining) [2024-09-24 00:37:12,051 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 7 remaining) [2024-09-24 00:37:12,052 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 7 remaining) [2024-09-24 00:37:12,052 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 7 remaining) [2024-09-24 00:37:12,052 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 7 remaining) [2024-09-24 00:37:12,052 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 7 remaining) [2024-09-24 00:37:12,053 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-24 00:37:12,059 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-09-24 00:37:12,062 INFO L312 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/3) [2024-09-24 00:37:12,067 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 00:37:12,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 00:37:12,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 00:37:12,089 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-24 00:37:12,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-09-24 00:37:12,094 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 00:37:12,095 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork1 ======== [2024-09-24 00:37:12,096 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;@2a36c833, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 00:37:12,096 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-24 00:37:12,148 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 00:37:12,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:37:12,148 INFO L85 PathProgramCache]: Analyzing trace with hash 14478348, now seen corresponding path program 1 times [2024-09-24 00:37:12,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:37:12,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925764485] [2024-09-24 00:37:12,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:37:12,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:37:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:37:12,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:37:12,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:37:12,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925764485] [2024-09-24 00:37:12,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925764485] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:37:12,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:37:12,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-24 00:37:12,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778430646] [2024-09-24 00:37:12,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:37:12,295 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 00:37:12,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:37:12,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 00:37:12,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 00:37:12,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:37:12,296 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:37:12,297 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) [2024-09-24 00:37:12,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:37:12,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:37:12,531 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-24 00:37:12,531 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-24 00:37:12,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:37:12,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1564456670, now seen corresponding path program 1 times [2024-09-24 00:37:12,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:37:12,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491463165] [2024-09-24 00:37:12,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:37:12,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:37:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:37:12,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:37:12,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:37:12,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491463165] [2024-09-24 00:37:12,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491463165] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:37:12,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:37:12,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-24 00:37:12,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817193967] [2024-09-24 00:37:12,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:37:12,810 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-24 00:37:12,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:37:12,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-24 00:37:12,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-09-24 00:37:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:37:12,811 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:37:12,812 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) [2024-09-24 00:37:12,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:37:12,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:37:13,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:37:13,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:37:13,252 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-09-24 00:37:13,252 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-09-24 00:37:13,252 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 4 remaining) [2024-09-24 00:37:13,252 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 4 remaining) [2024-09-24 00:37:13,252 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-24 00:37:13,254 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-24 00:37:13,254 INFO L312 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork1 was SAFE,SAFE,SAFE,SAFE (2/3) [2024-09-24 00:37:13,256 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 00:37:13,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 00:37:13,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 00:37:13,258 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-24 00:37:13,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-09-24 00:37:13,262 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 00:37:13,262 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-24 00:37:13,263 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;@2a36c833, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 00:37:13,263 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-24 00:37:13,443 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-09-24 00:37:13,443 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-09-24 00:37:13,446 INFO L408 BasicCegarLoop]: Path program histogram: [] [2024-09-24 00:37:13,446 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (3/3) [2024-09-24 00:37:13,447 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-24 00:37:13,447 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-24 00:37:13,451 INFO L469 ceAbstractionStarter]: Automizer considered 11 witness invariants [2024-09-24 00:37:13,452 INFO L470 ceAbstractionStarter]: WitnessConsidered=11 [2024-09-24 00:37:13,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 12:37:13 BasicIcfg [2024-09-24 00:37:13,453 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-24 00:37:13,453 INFO L158 Benchmark]: Toolchain (without parser) took 6384.83ms. Allocated memory was 167.8MB in the beginning and 304.1MB in the end (delta: 136.3MB). Free memory was 103.4MB in the beginning and 257.8MB in the end (delta: -154.5MB). Peak memory consumption was 116.5MB. Max. memory is 16.1GB. [2024-09-24 00:37:13,454 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 48.9MB in the beginning and 48.8MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-24 00:37:13,454 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 96.5MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-24 00:37:13,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.48ms. Allocated memory is still 167.8MB. Free memory was 102.9MB in the beginning and 129.2MB in the end (delta: -26.4MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-09-24 00:37:13,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.33ms. Allocated memory is still 167.8MB. Free memory was 129.2MB in the beginning and 125.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-24 00:37:13,454 INFO L158 Benchmark]: Boogie Preprocessor took 67.55ms. Allocated memory is still 167.8MB. Free memory was 125.0MB in the beginning and 122.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-24 00:37:13,455 INFO L158 Benchmark]: RCFGBuilder took 1076.57ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 84.7MB in the end (delta: 38.3MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2024-09-24 00:37:13,455 INFO L158 Benchmark]: TraceAbstraction took 4616.71ms. Allocated memory was 167.8MB in the beginning and 304.1MB in the end (delta: 136.3MB). Free memory was 84.4MB in the beginning and 257.8MB in the end (delta: -173.4MB). Peak memory consumption was 100.2MB. Max. memory is 16.1GB. [2024-09-24 00:37:13,458 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 0.22ms. Allocated memory is still 96.5MB. Free memory was 48.9MB in the beginning and 48.8MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 96.5MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 525.48ms. Allocated memory is still 167.8MB. Free memory was 102.9MB in the beginning and 129.2MB in the end (delta: -26.4MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.33ms. Allocated memory is still 167.8MB. Free memory was 129.2MB in the beginning and 125.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.55ms. Allocated memory is still 167.8MB. Free memory was 125.0MB in the beginning and 122.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1076.57ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 84.7MB in the end (delta: 38.3MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4616.71ms. Allocated memory was 167.8MB in the beginning and 304.1MB in the end (delta: 136.3MB). Free memory was 84.4MB in the beginning and 257.8MB in the end (delta: -173.4MB). Peak memory consumption was 100.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 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: 738, independent: 586, independent conditional: 7, independent unconditional: 579, dependent: 153, dependent conditional: 66, dependent unconditional: 87, 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: 738, independent: 586, independent conditional: 7, independent unconditional: 579, dependent: 153, dependent conditional: 66, dependent unconditional: 87, 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: 980, independent: 902, independent conditional: 287, 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: 926, independent: 902, independent conditional: 287, 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: 926, independent: 902, independent conditional: 287, 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: 936, independent: 902, independent conditional: 287, 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: 936, independent: 902, independent conditional: 0, independent unconditional: 902, 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: 936, independent: 902, independent conditional: 0, independent unconditional: 902, 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: 527, independent: 397, independent conditional: 0, independent unconditional: 397, dependent: 130, dependent conditional: 45, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 936, independent: 287, independent conditional: 0, independent unconditional: 287, 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: 298, Maximal queried relation: 2, Independence queries for same thread: 54, Persistent sets #1 benchmarks: Persistent set computation time: 0.5s, Number of persistent set computation: 46, Number of trivial persistent sets: 8, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 630, independent: 615, independent conditional: 0, independent unconditional: 615, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 980, independent: 902, independent conditional: 287, 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: 926, independent: 902, independent conditional: 287, 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: 926, independent: 902, independent conditional: 287, 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: 936, independent: 902, independent conditional: 287, 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: 936, independent: 902, independent conditional: 0, independent unconditional: 902, 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: 936, independent: 902, independent conditional: 0, independent unconditional: 902, 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: 527, independent: 397, independent conditional: 0, independent unconditional: 397, dependent: 130, dependent conditional: 45, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 936, independent: 287, independent conditional: 0, independent unconditional: 287, 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: 298, Maximal queried relation: 2, Independence queries for same thread: 54 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 329, independent: 319, independent conditional: 12, independent unconditional: 307, dependent: 10, dependent conditional: 5, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 324, independent: 319, independent conditional: 12, independent unconditional: 307, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 324, independent: 319, independent conditional: 12, independent unconditional: 307, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 324, independent: 319, independent conditional: 12, independent unconditional: 307, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 324, independent: 319, independent conditional: 0, independent unconditional: 319, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 324, independent: 319, independent conditional: 0, independent unconditional: 319, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 312, independent: 307, independent conditional: 0, independent unconditional: 307, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 312, independent: 281, independent conditional: 0, independent unconditional: 281, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, independent: 149, independent conditional: 0, independent unconditional: 149, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 324, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 312, unknown conditional: 0, unknown unconditional: 312] , Statistics on independence cache: Total cache size (in pairs): 312, Positive cache size: 307, Positive conditional cache size: 0, Positive unconditional cache size: 307, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12, Maximal queried relation: 0, Independence queries for same thread: 5, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 26, Number of trivial persistent sets: 26, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 312, independent: 307, independent conditional: 0, independent unconditional: 307, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 329, independent: 319, independent conditional: 12, independent unconditional: 307, dependent: 10, dependent conditional: 5, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 324, independent: 319, independent conditional: 12, independent unconditional: 307, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 324, independent: 319, independent conditional: 12, independent unconditional: 307, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 324, independent: 319, independent conditional: 12, independent unconditional: 307, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 324, independent: 319, independent conditional: 0, independent unconditional: 319, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 324, independent: 319, independent conditional: 0, independent unconditional: 319, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 312, independent: 307, independent conditional: 0, independent unconditional: 307, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 312, independent: 281, independent conditional: 0, independent unconditional: 281, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, independent: 149, independent conditional: 0, independent unconditional: 149, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 324, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 312, unknown conditional: 0, unknown unconditional: 312] , Statistics on independence cache: Total cache size (in pairs): 312, Positive cache size: 307, Positive conditional cache size: 0, Positive unconditional cache size: 307, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12, Maximal queried relation: 0, Independence queries for same thread: 5 - PositiveResult [Line: 64]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 67]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 70]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 73]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 77]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 81]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 84]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 43]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 48]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 51]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 55]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread2Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 71 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s 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, 71 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 408 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 71 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-24 00:37:13,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2024-09-24 00:37:13,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2024-09-24 00:37:13,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-24 00:37:14,107 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