./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/popl20-queue-add-3.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/popl20-queue-add-3.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-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 02:54:03,866 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 02:54:03,940 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 02:54:03,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 02:54:03,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 02:54:03,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 02:54:03,970 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 02:54:03,971 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 02:54:03,972 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 02:54:03,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 02:54:03,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 02:54:03,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 02:54:03,976 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 02:54:03,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 02:54:03,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 02:54:03,977 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 02:54:03,977 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 02:54:03,978 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 02:54:03,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 02:54:03,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 02:54:03,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 02:54:03,980 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 02:54:03,981 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 02:54:03,981 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 02:54:03,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 02:54:03,981 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 02:54:03,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 02:54:03,982 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 02:54:03,982 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 02:54:03,983 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 02:54:03,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 02:54:03,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 02:54:03,983 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 02:54:03,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 02:54:03,984 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 02:54:03,984 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 02:54:03,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 02:54:03,985 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 02:54:03,985 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 02:54:03,985 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 02:54:03,985 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 02:54:03,986 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-08 02:54:04,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 02:54:04,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 02:54:04,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 02:54:04,274 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 02:54:04,274 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 02:54:04,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2024-09-08 02:54:05,726 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 02:54:05,917 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 02:54:05,918 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2024-09-08 02:54:05,926 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5a479825a/4f6882e151c64a399bbb1111f0f88721/FLAGe6f3da6b8 [2024-09-08 02:54:06,288 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5a479825a/4f6882e151c64a399bbb1111f0f88721 [2024-09-08 02:54:06,291 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 02:54:06,291 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 02:54:06,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-local/popl20-queue-add-3.wvr.yml/witness.yml [2024-09-08 02:54:06,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 02:54:06,498 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 02:54:06,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 02:54:06,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 02:54:06,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 02:54:06,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:54:06" (1/2) ... [2024-09-08 02:54:06,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9be806a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:54:06, skipping insertion in model container [2024-09-08 02:54:06,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:54:06" (1/2) ... [2024-09-08 02:54:06,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3f6c9822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:54:06, skipping insertion in model container [2024-09-08 02:54:06,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:54:06" (2/2) ... [2024-09-08 02:54:06,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9be806a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:54:06, skipping insertion in model container [2024-09-08 02:54:06,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:54:06" (2/2) ... [2024-09-08 02:54:06,574 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 02:54:06,577 INFO L1541 ArrayList]: Location invariant before [L55-L55] ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= N) && ((2147483648LL + (long long )n1) + (long long )q1_front >= 0LL)) && ((2147483648LL + (long long )n1) + (long long )q1_back >= 0LL)) && ((2147483648LL + (long long )n1) + (long long )q2_front >= 0LL)) && ((2147483648LL + (long long )n1) + (long long )q2_back >= 0LL)) && ((2147483648LL + (long long )n2) + (long long )q1_front >= 0LL)) && ((2147483648LL + (long long )n2) + (long long )q1_back >= 0LL)) && ((2147483648LL + (long long )n2) + (long long )q2_front >= 0LL)) && ((2147483648LL + (long long )n2) + (long long )q2_back >= 0LL)) && ((2147483648LL + (long long )N) + (long long )q1_front >= 0LL)) && ((2147483648LL + (long long )N) + (long long )q1_back >= 0LL)) && ((2147483648LL + (long long )N) + (long long )q2_front >= 0LL)) && ((2147483648LL + (long long )N) + (long long )q2_back >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )N) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )N) + (long long )n2 >= 0LL)) && ((3221225471LL - (long long )n1) + (long long )q1_front >= 0LL)) && ((3221225471LL - (long long )n1) + (long long )q1_back >= 0LL)) && ((3221225471LL - (long long )n1) + (long long )q2_front >= 0LL)) && ((3221225471LL - (long long )n1) + (long long )q2_back >= 0LL)) && ((3221225471LL - (long long )n2) + (long long )q1_front >= 0LL)) && ((3221225471LL - (long long )n2) + (long long )q1_back >= 0LL)) && ((3221225471LL - (long long )n2) + (long long )q2_front >= 0LL)) && ((3221225471LL - (long long )n2) + (long long )q2_back >= 0LL)) && ((4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL)) && ((4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL)) && ((4294967295LL - (long long )q1_back) + (long long )q1_front >= 0LL)) && ((4294967295LL - (long long )q1_back) + (long long )q2_front >= 0LL)) && ((4294967295LL - (long long )q1_back) + (long long )q2_back >= 0LL)) && ((4294967295LL - (long long )q2_back) + (long long )q2_front >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )N + (long long )n1 >= 0LL)) && ((long long )N + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )N) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )N) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )n1) - (long long )q1_front >= 0LL)) && ((2147483647LL + (long long )n1) - (long long )q1_back >= 0LL)) && ((2147483647LL + (long long )n1) - (long long )q2_front >= 0LL)) && ((2147483647LL + (long long )n1) - (long long )q2_back >= 0LL)) && ((2147483647LL + (long long )n2) - (long long )q1_front >= 0LL)) && ((2147483647LL + (long long )n2) - (long long )q1_back >= 0LL)) && ((2147483647LL + (long long )n2) - (long long )q2_front >= 0LL)) && ((2147483647LL + (long long )n2) - (long long )q2_back >= 0LL)) && ((2147483647LL + (long long )N) - (long long )q1_front >= 0LL)) && ((2147483647LL + (long long )N) - (long long )q1_back >= 0LL)) && ((2147483647LL + (long long )N) - (long long )q2_front >= 0LL)) && ((2147483647LL + (long long )N) - (long long )q2_back >= 0LL)) && ((4294967295LL + (long long )q1_front) - (long long )q2_front >= 0LL)) && ((4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL)) && ((4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL)) && ((4294967295LL + (long long )q1_back) - (long long )q2_front >= 0LL)) && ((4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL)) && ((4294967295LL + (long long )q2_back) - (long long )q2_front >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )n1) - (long long )q1_front >= 0LL)) && ((3221225470LL - (long long )n1) - (long long )q1_back >= 0LL)) && ((3221225470LL - (long long )n1) - (long long )q2_front >= 0LL)) && ((3221225470LL - (long long )n1) - (long long )q2_back >= 0LL)) && ((3221225470LL - (long long )n2) - (long long )q1_front >= 0LL)) && ((3221225470LL - (long long )n2) - (long long )q1_back >= 0LL)) && ((3221225470LL - (long long )n2) - (long long )q2_front >= 0LL)) && ((3221225470LL - (long long )n2) - (long long )q2_back >= 0LL)) && ((3221225470LL - (long long )N) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )N) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )q1_front) - (long long )q2_front >= 0LL)) && ((4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL)) && ((4294967294LL - (long long )q1_back) - (long long )q1_front >= 0LL)) && ((4294967294LL - (long long )q1_back) - (long long )q2_front >= 0LL)) && ((4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL)) && ((4294967294LL - (long long )q2_back) - (long long )q2_front >= 0LL)) && ((4294967294LL - (long long )N) - (long long )q1_front >= 0LL)) && ((4294967294LL - (long long )N) - (long long )q1_back >= 0LL)) && ((4294967294LL - (long long )N) - (long long )q2_front >= 0LL)) && ((4294967294LL - (long long )N) - (long long )q2_back >= 0LL) [2024-09-08 02:54:06,578 INFO L1541 ArrayList]: Location invariant before [L72-L72] ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= N) && ((2147483648LL + (long long )n1) + (long long )q1_front >= 0LL)) && ((2147483648LL + (long long )n1) + (long long )q1_back >= 0LL)) && ((2147483648LL + (long long )n1) + (long long )q2_front >= 0LL)) && ((2147483648LL + (long long )n1) + (long long )q2_back >= 0LL)) && ((2147483648LL + (long long )n2) + (long long )q1_front >= 0LL)) && ((2147483648LL + (long long )n2) + (long long )q1_back >= 0LL)) && ((2147483648LL + (long long )n2) + (long long )q2_front >= 0LL)) && ((2147483648LL + (long long )n2) + (long long )q2_back >= 0LL)) && ((2147483648LL + (long long )N) + (long long )q1_front >= 0LL)) && ((2147483648LL + (long long )N) + (long long )q1_back >= 0LL)) && ((2147483648LL + (long long )N) + (long long )q2_front >= 0LL)) && ((2147483648LL + (long long )N) + (long long )q2_back >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )N) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )N) + (long long )n2 >= 0LL)) && ((3221225471LL - (long long )n1) + (long long )q1_front >= 0LL)) && ((3221225471LL - (long long )n1) + (long long )q1_back >= 0LL)) && ((3221225471LL - (long long )n1) + (long long )q2_front >= 0LL)) && ((3221225471LL - (long long )n1) + (long long )q2_back >= 0LL)) && ((3221225471LL - (long long )n2) + (long long )q1_front >= 0LL)) && ((3221225471LL - (long long )n2) + (long long )q1_back >= 0LL)) && ((3221225471LL - (long long )n2) + (long long )q2_front >= 0LL)) && ((3221225471LL - (long long )n2) + (long long )q2_back >= 0LL)) && ((4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL)) && ((4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL)) && ((4294967295LL - (long long )q1_back) + (long long )q1_front >= 0LL)) && ((4294967295LL - (long long )q1_back) + (long long )q2_front >= 0LL)) && ((4294967295LL - (long long )q1_back) + (long long )q2_back >= 0LL)) && ((4294967295LL - (long long )q2_back) + (long long )q2_front >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )N + (long long )n1 >= 0LL)) && ((long long )N + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )N) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )N) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )n1) - (long long )q1_front >= 0LL)) && ((2147483647LL + (long long )n1) - (long long )q1_back >= 0LL)) && ((2147483647LL + (long long )n1) - (long long )q2_front >= 0LL)) && ((2147483647LL + (long long )n1) - (long long )q2_back >= 0LL)) && ((2147483647LL + (long long )n2) - (long long )q1_front >= 0LL)) && ((2147483647LL + (long long )n2) - (long long )q1_back >= 0LL)) && ((2147483647LL + (long long )n2) - (long long )q2_front >= 0LL)) && ((2147483647LL + (long long )n2) - (long long )q2_back >= 0LL)) && ((2147483647LL + (long long )N) - (long long )q1_front >= 0LL)) && ((2147483647LL + (long long )N) - (long long )q1_back >= 0LL)) && ((2147483647LL + (long long )N) - (long long )q2_front >= 0LL)) && ((2147483647LL + (long long )N) - (long long )q2_back >= 0LL)) && ((4294967295LL + (long long )q1_front) - (long long )q2_front >= 0LL)) && ((4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL)) && ((4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL)) && ((4294967295LL + (long long )q1_back) - (long long )q2_front >= 0LL)) && ((4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL)) && ((4294967295LL + (long long )q2_back) - (long long )q2_front >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )n1) - (long long )q1_front >= 0LL)) && ((3221225470LL - (long long )n1) - (long long )q1_back >= 0LL)) && ((3221225470LL - (long long )n1) - (long long )q2_front >= 0LL)) && ((3221225470LL - (long long )n1) - (long long )q2_back >= 0LL)) && ((3221225470LL - (long long )n2) - (long long )q1_front >= 0LL)) && ((3221225470LL - (long long )n2) - (long long )q1_back >= 0LL)) && ((3221225470LL - (long long )n2) - (long long )q2_front >= 0LL)) && ((3221225470LL - (long long )n2) - (long long )q2_back >= 0LL)) && ((3221225470LL - (long long )N) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )N) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )q1_front) - (long long )q2_front >= 0LL)) && ((4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL)) && ((4294967294LL - (long long )q1_back) - (long long )q1_front >= 0LL)) && ((4294967294LL - (long long )q1_back) - (long long )q2_front >= 0LL)) && ((4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL)) && ((4294967294LL - (long long )q2_back) - (long long )q2_front >= 0LL)) && ((4294967294LL - (long long )N) - (long long )q1_front >= 0LL)) && ((4294967294LL - (long long )N) - (long long )q1_back >= 0LL)) && ((4294967294LL - (long long )N) - (long long )q2_front >= 0LL)) && ((4294967294LL - (long long )N) - (long long )q2_back >= 0LL) [2024-09-08 02:54:06,578 INFO L1541 ArrayList]: Location invariant before [L67-L67] ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= N) && ((2147483648LL + (long long )n1) + (long long )q1_front >= 0LL)) && ((2147483648LL + (long long )n1) + (long long )q1_back >= 0LL)) && ((2147483648LL + (long long )n1) + (long long )q2_front >= 0LL)) && ((2147483648LL + (long long )n1) + (long long )q2_back >= 0LL)) && ((2147483648LL + (long long )n2) + (long long )q1_front >= 0LL)) && ((2147483648LL + (long long )n2) + (long long )q1_back >= 0LL)) && ((2147483648LL + (long long )n2) + (long long )q2_front >= 0LL)) && ((2147483648LL + (long long )n2) + (long long )q2_back >= 0LL)) && ((2147483648LL + (long long )N) + (long long )q1_front >= 0LL)) && ((2147483648LL + (long long )N) + (long long )q1_back >= 0LL)) && ((2147483648LL + (long long )N) + (long long )q2_front >= 0LL)) && ((2147483648LL + (long long )N) + (long long )q2_back >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )N) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )N) + (long long )n2 >= 0LL)) && ((3221225471LL - (long long )n1) + (long long )q1_front >= 0LL)) && ((3221225471LL - (long long )n1) + (long long )q1_back >= 0LL)) && ((3221225471LL - (long long )n1) + (long long )q2_front >= 0LL)) && ((3221225471LL - (long long )n1) + (long long )q2_back >= 0LL)) && ((3221225471LL - (long long )n2) + (long long )q1_front >= 0LL)) && ((3221225471LL - (long long )n2) + (long long )q1_back >= 0LL)) && ((3221225471LL - (long long )n2) + (long long )q2_front >= 0LL)) && ((3221225471LL - (long long )n2) + (long long )q2_back >= 0LL)) && ((4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL)) && ((4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL)) && ((4294967295LL - (long long )q1_back) + (long long )q1_front >= 0LL)) && ((4294967295LL - (long long )q1_back) + (long long )q2_front >= 0LL)) && ((4294967295LL - (long long )q1_back) + (long long )q2_back >= 0LL)) && ((4294967295LL - (long long )q2_back) + (long long )q2_front >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )N + (long long )n1 >= 0LL)) && ((long long )N + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )N) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )N) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )n1) - (long long )q1_front >= 0LL)) && ((2147483647LL + (long long )n1) - (long long )q1_back >= 0LL)) && ((2147483647LL + (long long )n1) - (long long )q2_front >= 0LL)) && ((2147483647LL + (long long )n1) - (long long )q2_back >= 0LL)) && ((2147483647LL + (long long )n2) - (long long )q1_front >= 0LL)) && ((2147483647LL + (long long )n2) - (long long )q1_back >= 0LL)) && ((2147483647LL + (long long )n2) - (long long )q2_front >= 0LL)) && ((2147483647LL + (long long )n2) - (long long )q2_back >= 0LL)) && ((2147483647LL + (long long )N) - (long long )q1_front >= 0LL)) && ((2147483647LL + (long long )N) - (long long )q1_back >= 0LL)) && ((2147483647LL + (long long )N) - (long long )q2_front >= 0LL)) && ((2147483647LL + (long long )N) - (long long )q2_back >= 0LL)) && ((4294967295LL + (long long )q1_front) - (long long )q2_front >= 0LL)) && ((4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL)) && ((4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL)) && ((4294967295LL + (long long )q1_back) - (long long )q2_front >= 0LL)) && ((4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL)) && ((4294967295LL + (long long )q2_back) - (long long )q2_front >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )n1) - (long long )q1_front >= 0LL)) && ((3221225470LL - (long long )n1) - (long long )q1_back >= 0LL)) && ((3221225470LL - (long long )n1) - (long long )q2_front >= 0LL)) && ((3221225470LL - (long long )n1) - (long long )q2_back >= 0LL)) && ((3221225470LL - (long long )n2) - (long long )q1_front >= 0LL)) && ((3221225470LL - (long long )n2) - (long long )q1_back >= 0LL)) && ((3221225470LL - (long long )n2) - (long long )q2_front >= 0LL)) && ((3221225470LL - (long long )n2) - (long long )q2_back >= 0LL)) && ((3221225470LL - (long long )N) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )N) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )q1_front) - (long long )q2_front >= 0LL)) && ((4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL)) && ((4294967294LL - (long long )q1_back) - (long long )q1_front >= 0LL)) && ((4294967294LL - (long long )q1_back) - (long long )q2_front >= 0LL)) && ((4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL)) && ((4294967294LL - (long long )q2_back) - (long long )q2_front >= 0LL)) && ((4294967294LL - (long long )N) - (long long )q1_front >= 0LL)) && ((4294967294LL - (long long )N) - (long long )q1_back >= 0LL)) && ((4294967294LL - (long long )N) - (long long )q2_front >= 0LL)) && ((4294967294LL - (long long )N) - (long long )q2_back >= 0LL) [2024-09-08 02:54:06,578 INFO L1541 ArrayList]: Location invariant before [L49-L49] ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= N) && ((2147483648LL + (long long )n1) + (long long )q1_front >= 0LL)) && ((2147483648LL + (long long )n1) + (long long )q1_back >= 0LL)) && ((2147483648LL + (long long )n1) + (long long )q2_front >= 0LL)) && ((2147483648LL + (long long )n1) + (long long )q2_back >= 0LL)) && ((2147483648LL + (long long )n2) + (long long )q1_front >= 0LL)) && ((2147483648LL + (long long )n2) + (long long )q1_back >= 0LL)) && ((2147483648LL + (long long )n2) + (long long )q2_front >= 0LL)) && ((2147483648LL + (long long )n2) + (long long )q2_back >= 0LL)) && ((2147483648LL + (long long )N) + (long long )q1_front >= 0LL)) && ((2147483648LL + (long long )N) + (long long )q1_back >= 0LL)) && ((2147483648LL + (long long )N) + (long long )q2_front >= 0LL)) && ((2147483648LL + (long long )N) + (long long )q2_back >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )N) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )N) + (long long )n2 >= 0LL)) && ((3221225471LL - (long long )n1) + (long long )q1_front >= 0LL)) && ((3221225471LL - (long long )n1) + (long long )q1_back >= 0LL)) && ((3221225471LL - (long long )n1) + (long long )q2_front >= 0LL)) && ((3221225471LL - (long long )n1) + (long long )q2_back >= 0LL)) && ((3221225471LL - (long long )n2) + (long long )q1_front >= 0LL)) && ((3221225471LL - (long long )n2) + (long long )q1_back >= 0LL)) && ((3221225471LL - (long long )n2) + (long long )q2_front >= 0LL)) && ((3221225471LL - (long long )n2) + (long long )q2_back >= 0LL)) && ((4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL)) && ((4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL)) && ((4294967295LL - (long long )q1_back) + (long long )q1_front >= 0LL)) && ((4294967295LL - (long long )q1_back) + (long long )q2_front >= 0LL)) && ((4294967295LL - (long long )q1_back) + (long long )q2_back >= 0LL)) && ((4294967295LL - (long long )q2_back) + (long long )q2_front >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )N + (long long )n1 >= 0LL)) && ((long long )N + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )N) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )N) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )n1) - (long long )q1_front >= 0LL)) && ((2147483647LL + (long long )n1) - (long long )q1_back >= 0LL)) && ((2147483647LL + (long long )n1) - (long long )q2_front >= 0LL)) && ((2147483647LL + (long long )n1) - (long long )q2_back >= 0LL)) && ((2147483647LL + (long long )n2) - (long long )q1_front >= 0LL)) && ((2147483647LL + (long long )n2) - (long long )q1_back >= 0LL)) && ((2147483647LL + (long long )n2) - (long long )q2_front >= 0LL)) && ((2147483647LL + (long long )n2) - (long long )q2_back >= 0LL)) && ((2147483647LL + (long long )N) - (long long )q1_front >= 0LL)) && ((2147483647LL + (long long )N) - (long long )q1_back >= 0LL)) && ((2147483647LL + (long long )N) - (long long )q2_front >= 0LL)) && ((2147483647LL + (long long )N) - (long long )q2_back >= 0LL)) && ((4294967295LL + (long long )q1_front) - (long long )q2_front >= 0LL)) && ((4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL)) && ((4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL)) && ((4294967295LL + (long long )q1_back) - (long long )q2_front >= 0LL)) && ((4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL)) && ((4294967295LL + (long long )q2_back) - (long long )q2_front >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )n1) - (long long )q1_front >= 0LL)) && ((3221225470LL - (long long )n1) - (long long )q1_back >= 0LL)) && ((3221225470LL - (long long )n1) - (long long )q2_front >= 0LL)) && ((3221225470LL - (long long )n1) - (long long )q2_back >= 0LL)) && ((3221225470LL - (long long )n2) - (long long )q1_front >= 0LL)) && ((3221225470LL - (long long )n2) - (long long )q1_back >= 0LL)) && ((3221225470LL - (long long )n2) - (long long )q2_front >= 0LL)) && ((3221225470LL - (long long )n2) - (long long )q2_back >= 0LL)) && ((3221225470LL - (long long )N) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )N) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )q1_front) - (long long )q2_front >= 0LL)) && ((4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL)) && ((4294967294LL - (long long )q1_back) - (long long )q1_front >= 0LL)) && ((4294967294LL - (long long )q1_back) - (long long )q2_front >= 0LL)) && ((4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL)) && ((4294967294LL - (long long )q2_back) - (long long )q2_front >= 0LL)) && ((4294967294LL - (long long )N) - (long long )q1_front >= 0LL)) && ((4294967294LL - (long long )N) - (long long )q1_back >= 0LL)) && ((4294967294LL - (long long )N) - (long long )q2_front >= 0LL)) && ((4294967294LL - (long long )N) - (long long )q2_back >= 0LL) [2024-09-08 02:54:06,578 INFO L1541 ArrayList]: Location invariant before [L89-L89] ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= N) && ((2147483648LL + (long long )n1) + (long long )q1_front >= 0LL)) && ((2147483648LL + (long long )n1) + (long long )q1_back >= 0LL)) && ((2147483648LL + (long long )n1) + (long long )q2_front >= 0LL)) && ((2147483648LL + (long long )n1) + (long long )q2_back >= 0LL)) && ((2147483648LL + (long long )n2) + (long long )q1_front >= 0LL)) && ((2147483648LL + (long long )n2) + (long long )q1_back >= 0LL)) && ((2147483648LL + (long long )n2) + (long long )q2_front >= 0LL)) && ((2147483648LL + (long long )n2) + (long long )q2_back >= 0LL)) && ((2147483648LL + (long long )N) + (long long )q1_front >= 0LL)) && ((2147483648LL + (long long )N) + (long long )q1_back >= 0LL)) && ((2147483648LL + (long long )N) + (long long )q2_front >= 0LL)) && ((2147483648LL + (long long )N) + (long long )q2_back >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )N) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )N) + (long long )n2 >= 0LL)) && ((3221225471LL - (long long )n1) + (long long )q1_front >= 0LL)) && ((3221225471LL - (long long )n1) + (long long )q1_back >= 0LL)) && ((3221225471LL - (long long )n1) + (long long )q2_front >= 0LL)) && ((3221225471LL - (long long )n1) + (long long )q2_back >= 0LL)) && ((3221225471LL - (long long )n2) + (long long )q1_front >= 0LL)) && ((3221225471LL - (long long )n2) + (long long )q1_back >= 0LL)) && ((3221225471LL - (long long )n2) + (long long )q2_front >= 0LL)) && ((3221225471LL - (long long )n2) + (long long )q2_back >= 0LL)) && ((4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL)) && ((4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL)) && ((4294967295LL - (long long )q1_back) + (long long )q1_front >= 0LL)) && ((4294967295LL - (long long )q1_back) + (long long )q2_front >= 0LL)) && ((4294967295LL - (long long )q1_back) + (long long )q2_back >= 0LL)) && ((4294967295LL - (long long )q2_back) + (long long )q2_front >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )N + (long long )n1 >= 0LL)) && ((long long )N + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )N) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )N) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )n1) - (long long )q1_front >= 0LL)) && ((2147483647LL + (long long )n1) - (long long )q1_back >= 0LL)) && ((2147483647LL + (long long )n1) - (long long )q2_front >= 0LL)) && ((2147483647LL + (long long )n1) - (long long )q2_back >= 0LL)) && ((2147483647LL + (long long )n2) - (long long )q1_front >= 0LL)) && ((2147483647LL + (long long )n2) - (long long )q1_back >= 0LL)) && ((2147483647LL + (long long )n2) - (long long )q2_front >= 0LL)) && ((2147483647LL + (long long )n2) - (long long )q2_back >= 0LL)) && ((2147483647LL + (long long )N) - (long long )q1_front >= 0LL)) && ((2147483647LL + (long long )N) - (long long )q1_back >= 0LL)) && ((2147483647LL + (long long )N) - (long long )q2_front >= 0LL)) && ((2147483647LL + (long long )N) - (long long )q2_back >= 0LL)) && ((4294967295LL + (long long )q1_front) - (long long )q2_front >= 0LL)) && ((4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL)) && ((4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL)) && ((4294967295LL + (long long )q1_back) - (long long )q2_front >= 0LL)) && ((4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL)) && ((4294967295LL + (long long )q2_back) - (long long )q2_front >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )n1) - (long long )q1_front >= 0LL)) && ((3221225470LL - (long long )n1) - (long long )q1_back >= 0LL)) && ((3221225470LL - (long long )n1) - (long long )q2_front >= 0LL)) && ((3221225470LL - (long long )n1) - (long long )q2_back >= 0LL)) && ((3221225470LL - (long long )n2) - (long long )q1_front >= 0LL)) && ((3221225470LL - (long long )n2) - (long long )q1_back >= 0LL)) && ((3221225470LL - (long long )n2) - (long long )q2_front >= 0LL)) && ((3221225470LL - (long long )n2) - (long long )q2_back >= 0LL)) && ((3221225470LL - (long long )N) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )N) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )q1_front) - (long long )q2_front >= 0LL)) && ((4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL)) && ((4294967294LL - (long long )q1_back) - (long long )q1_front >= 0LL)) && ((4294967294LL - (long long )q1_back) - (long long )q2_front >= 0LL)) && ((4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL)) && ((4294967294LL - (long long )q2_back) - (long long )q2_front >= 0LL)) && ((4294967294LL - (long long )N) - (long long )q1_front >= 0LL)) && ((4294967294LL - (long long )N) - (long long )q1_back >= 0LL)) && ((4294967294LL - (long long )N) - (long long )q2_front >= 0LL)) && ((4294967294LL - (long long )N) - (long long )q2_back >= 0LL) [2024-09-08 02:54:06,601 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 02:54:06,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 02:54:06,807 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 02:54:07,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 02:54:07,018 INFO L204 MainTranslator]: Completed translation [2024-09-08 02:54:07,018 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:54:07 WrapperNode [2024-09-08 02:54:07,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 02:54:07,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 02:54:07,020 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 02:54:07,020 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 02:54:07,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:54:07" (1/1) ... [2024-09-08 02:54:07,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:54:07" (1/1) ... [2024-09-08 02:54:07,104 INFO L138 Inliner]: procedures = 24, calls = 41, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 251 [2024-09-08 02:54:07,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 02:54:07,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 02:54:07,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 02:54:07,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 02:54:07,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:54:07" (1/1) ... [2024-09-08 02:54:07,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:54:07" (1/1) ... [2024-09-08 02:54:07,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:54:07" (1/1) ... [2024-09-08 02:54:07,127 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:54:07" (1/1) ... [2024-09-08 02:54:07,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:54:07" (1/1) ... [2024-09-08 02:54:07,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:54:07" (1/1) ... [2024-09-08 02:54:07,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:54:07" (1/1) ... [2024-09-08 02:54:07,167 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:54:07" (1/1) ... [2024-09-08 02:54:07,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 02:54:07,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 02:54:07,173 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 02:54:07,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 02:54:07,174 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:54:07" (1/1) ... [2024-09-08 02:54:07,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 02:54:07,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:54:07,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-08 02:54:07,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-08 02:54:07,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 02:54:07,252 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 02:54:07,252 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 02:54:07,252 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 02:54:07,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 02:54:07,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-08 02:54:07,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-08 02:54:07,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 02:54:07,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-08 02:54:07,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 02:54:07,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 02:54:07,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-08 02:54:07,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 02:54:07,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 02:54:07,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-08 02:54:07,257 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 02:54:07,364 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 02:54:07,366 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 02:54:08,056 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 02:54:08,056 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 02:54:08,598 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 02:54:08,598 INFO L318 CfgBuilder]: Removed 5 assume(true) statements. [2024-09-08 02:54:08,599 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:54:08 BoogieIcfgContainer [2024-09-08 02:54:08,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 02:54:08,602 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 02:54:08,602 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 02:54:08,606 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 02:54:08,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 02:54:06" (1/4) ... [2024-09-08 02:54:08,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7df8cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:54:08, skipping insertion in model container [2024-09-08 02:54:08,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:54:06" (2/4) ... [2024-09-08 02:54:08,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7df8cf and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 02:54:08, skipping insertion in model container [2024-09-08 02:54:08,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:54:07" (3/4) ... [2024-09-08 02:54:08,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7df8cf and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 02:54:08, skipping insertion in model container [2024-09-08 02:54:08,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:54:08" (4/4) ... [2024-09-08 02:54:08,612 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-3.wvr.c [2024-09-08 02:54:08,634 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 02:54:08,635 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-09-08 02:54:08,635 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 02:54:08,727 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-09-08 02:54:08,790 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 02:54:08,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 02:54:08,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:54:08,793 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 02:54:08,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-08 02:54:08,830 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 02:54:08,841 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork1 ======== [2024-09-08 02:54:08,850 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;@4be34436, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 02:54:08,850 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-08 02:54:09,219 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:54:09,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:54:09,224 INFO L85 PathProgramCache]: Analyzing trace with hash 153749201, now seen corresponding path program 1 times [2024-09-08 02:54:09,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:54:09,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294037599] [2024-09-08 02:54:09,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:09,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:54:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:11,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:11,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:54:11,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294037599] [2024-09-08 02:54:11,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294037599] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:54:11,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:54:11,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-08 02:54:11,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180734021] [2024-09-08 02:54:11,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:54:11,849 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 02:54:11,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:54:11,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 02:54:11,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-09-08 02:54:11,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:11,878 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:54:11,880 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 02:54:11,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:11,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:11,972 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 02:54:11,972 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:54:11,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:54:11,973 INFO L85 PathProgramCache]: Analyzing trace with hash -397023312, now seen corresponding path program 1 times [2024-09-08 02:54:11,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:54:11,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107221454] [2024-09-08 02:54:11,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:11,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:54:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:13,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:13,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:54:13,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107221454] [2024-09-08 02:54:13,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107221454] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 02:54:13,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970603619] [2024-09-08 02:54:13,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:13,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:54:13,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:54:13,613 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 02:54:13,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-08 02:54:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:13,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-09-08 02:54:13,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 02:54:14,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:14,704 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 02:54:22,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:22,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970603619] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 02:54:22,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 02:54:22,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2024-09-08 02:54:22,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597811429] [2024-09-08 02:54:22,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 02:54:22,284 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-09-08 02:54:22,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:54:22,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-09-08 02:54:22,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-09-08 02:54:22,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:22,286 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:54:22,287 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 17 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 02:54:22,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:22,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:23,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:23,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 02:54:23,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-08 02:54:23,311 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-09-08 02:54:23,312 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:54:23,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:54:23,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1703593617, now seen corresponding path program 2 times [2024-09-08 02:54:23,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:54:23,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25249015] [2024-09-08 02:54:23,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:23,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:54:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:25,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:54:25,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25249015] [2024-09-08 02:54:25,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25249015] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 02:54:25,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704033925] [2024-09-08 02:54:25,088 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 02:54:25,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:54:25,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:54:25,091 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 02:54:25,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-08 02:54:25,183 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 02:54:25,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 02:54:25,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-09-08 02:54:25,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 02:54:25,969 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 02:54:25,969 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 02:54:25,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704033925] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:54:25,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 02:54:25,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-09-08 02:54:25,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788920091] [2024-09-08 02:54:25,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:54:25,970 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 02:54:25,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:54:25,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 02:54:25,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-09-08 02:54:25,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:25,974 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:54:25,975 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 02:54:25,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:25,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 02:54:25,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 02:54:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:54:26,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-08 02:54:26,255 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:54:26,256 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:54:26,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:54:26,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1842260789, now seen corresponding path program 1 times [2024-09-08 02:54:26,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:54:26,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360220273] [2024-09-08 02:54:26,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:26,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:54:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:27,937 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:27,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:54:27,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360220273] [2024-09-08 02:54:27,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360220273] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 02:54:27,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378677880] [2024-09-08 02:54:27,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:27,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:54:27,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:54:27,940 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 02:54:27,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-08 02:54:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:28,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-09-08 02:54:28,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 02:54:28,760 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:28,760 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 02:54:37,998 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:37,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378677880] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 02:54:37,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 02:54:37,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2024-09-08 02:54:37,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462267571] [2024-09-08 02:54:38,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 02:54:38,000 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-08 02:54:38,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:54:38,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-08 02:54:38,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=633, Unknown=0, NotChecked=0, Total=812 [2024-09-08 02:54:38,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:38,002 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:54:38,002 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.9310344827586208) internal successors, (56), 28 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 02:54:38,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:38,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 02:54:38,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:54:38,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:45,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 02:54:45,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:54:45,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 02:54:45,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-08 02:54:45,769 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:54:45,769 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:54:45,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:54:45,770 INFO L85 PathProgramCache]: Analyzing trace with hash 742894891, now seen corresponding path program 2 times [2024-09-08 02:54:45,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:54:45,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045090848] [2024-09-08 02:54:45,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:45,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:54:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:47,999 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:47,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:54:48,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045090848] [2024-09-08 02:54:48,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045090848] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 02:54:48,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533076423] [2024-09-08 02:54:48,000 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 02:54:48,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:54:48,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:54:48,002 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 02:54:48,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-08 02:54:48,081 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 02:54:48,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 02:54:48,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-09-08 02:54:48,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 02:54:48,978 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-09-08 02:54:48,978 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 02:54:48,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533076423] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:54:48,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 02:54:48,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 22 [2024-09-08 02:54:48,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765764678] [2024-09-08 02:54:48,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:54:48,979 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 02:54:48,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:54:48,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 02:54:48,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2024-09-08 02:54:48,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:48,981 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:54:48,981 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 02:54:48,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:48,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 02:54:48,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:54:48,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 02:54:48,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:55:04,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 02:55:04,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 02:55:04,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 02:55:04,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-08 02:55:04,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 02:55:04,375 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-08 02:55:04,376 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 2 remaining) [2024-09-08 02:55:04,394 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-08 02:55:04,577 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:55:04,583 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 1] [2024-09-08 02:55:04,588 INFO L312 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork1 was SAFE,SAFE (1/4) [2024-09-08 02:55:04,592 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 02:55:04,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 02:55:04,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:55:04,594 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 02:55:04,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2024-09-08 02:55:04,599 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 02:55:04,600 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ======== [2024-09-08 02:55:04,604 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;@4be34436, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 02:55:04,604 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-08 02:55:04,791 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:55:04,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:55:04,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1014364049, now seen corresponding path program 1 times [2024-09-08 02:55:04,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:55:04,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491384979] [2024-09-08 02:55:04,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:55:04,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:55:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:55:05,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:55:05,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:55:05,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491384979] [2024-09-08 02:55:05,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491384979] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:55:05,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:55:05,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 02:55:05,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141536654] [2024-09-08 02:55:05,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:55:05,669 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 02:55:05,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:55:05,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 02:55:05,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-09-08 02:55:05,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:55:05,670 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:55:05,670 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 02:55:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:55:05,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:55:05,720 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-08 02:55:05,720 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:55:05,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:55:05,721 INFO L85 PathProgramCache]: Analyzing trace with hash 933664014, now seen corresponding path program 1 times [2024-09-08 02:55:05,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:55:05,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888432725] [2024-09-08 02:55:05,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:55:05,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:55:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:55:06,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:55:06,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:55:06,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888432725] [2024-09-08 02:55:06,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888432725] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 02:55:06,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814266831] [2024-09-08 02:55:06,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:55:06,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:55:06,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:55:06,707 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 02:55:06,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-08 02:55:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:55:06,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-09-08 02:55:06,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 02:55:07,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:55:07,139 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 02:55:13,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:55:13,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814266831] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 02:55:13,051 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 02:55:13,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2024-09-08 02:55:13,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497523447] [2024-09-08 02:55:13,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 02:55:13,052 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-09-08 02:55:13,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:55:13,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-09-08 02:55:13,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-09-08 02:55:13,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:55:13,053 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:55:13,053 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 02:55:13,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:55:13,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:55:13,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:55:13,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 02:55:13,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-09-08 02:55:13,978 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-09-08 02:55:13,979 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:55:13,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:55:13,979 INFO L85 PathProgramCache]: Analyzing trace with hash 748140591, now seen corresponding path program 2 times [2024-09-08 02:55:13,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:55:13,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547518643] [2024-09-08 02:55:13,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:55:13,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:55:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:55:15,315 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:55:15,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:55:15,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547518643] [2024-09-08 02:55:15,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547518643] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 02:55:15,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419915990] [2024-09-08 02:55:15,315 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 02:55:15,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:55:15,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:55:15,319 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 02:55:15,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-08 02:55:15,401 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 02:55:15,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 02:55:15,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-09-08 02:55:15,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 02:55:15,812 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 02:55:15,812 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 02:55:15,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419915990] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:55:15,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 02:55:15,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 14 [2024-09-08 02:55:15,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121094272] [2024-09-08 02:55:15,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:55:15,813 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 02:55:15,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:55:15,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 02:55:15,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-09-08 02:55:15,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:55:15,814 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:55:15,814 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 02:55:15,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:55:15,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 02:55:15,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:55:15,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:55:15,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 02:55:15,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:55:15,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-08 02:55:16,089 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:55:16,090 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:55:16,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:55:16,090 INFO L85 PathProgramCache]: Analyzing trace with hash 404786409, now seen corresponding path program 1 times [2024-09-08 02:55:16,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:55:16,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788750149] [2024-09-08 02:55:16,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:55:16,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:55:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:55:17,365 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:55:17,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:55:17,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788750149] [2024-09-08 02:55:17,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788750149] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 02:55:17,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042322281] [2024-09-08 02:55:17,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:55:17,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:55:17,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:55:17,367 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 02:55:17,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-08 02:55:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:55:17,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-09-08 02:55:17,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 02:55:17,970 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:55:17,970 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 02:55:26,898 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:55:26,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042322281] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 02:55:26,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 02:55:26,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 28 [2024-09-08 02:55:26,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103973412] [2024-09-08 02:55:26,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 02:55:26,899 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-09-08 02:55:26,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:55:26,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-09-08 02:55:26,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=680, Unknown=0, NotChecked=0, Total=870 [2024-09-08 02:55:26,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:55:26,901 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:55:26,901 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 1.896551724137931) internal successors, (55), 29 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 02:55:26,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:55:26,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 02:55:26,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:55:26,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:55:34,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:55:34,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 02:55:34,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:55:34,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 02:55:34,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-09-08 02:55:34,537 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:55:34,538 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:55:34,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:55:34,538 INFO L85 PathProgramCache]: Analyzing trace with hash 313621833, now seen corresponding path program 2 times [2024-09-08 02:55:34,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:55:34,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128881379] [2024-09-08 02:55:34,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:55:34,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:55:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:55:36,431 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:55:36,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:55:36,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128881379] [2024-09-08 02:55:36,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128881379] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 02:55:36,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396423955] [2024-09-08 02:55:36,432 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 02:55:36,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:55:36,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:55:36,450 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 02:55:36,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-08 02:55:36,537 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 02:55:36,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 02:55:36,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-09-08 02:55:36,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 02:55:37,107 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-09-08 02:55:37,108 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 02:55:37,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396423955] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:55:37,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 02:55:37,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16] total 21 [2024-09-08 02:55:37,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190342440] [2024-09-08 02:55:37,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:55:37,109 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 02:55:37,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:55:37,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 02:55:37,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2024-09-08 02:55:37,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:55:37,110 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:55:37,110 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 02:55:37,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:55:37,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 02:55:37,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:55:37,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 02:55:37,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:55:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 02:55:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 02:55:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 02:55:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-08 02:55:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 02:55:51,211 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-08 02:55:51,211 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 2 remaining) [2024-09-08 02:55:51,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-09-08 02:55:51,411 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-09-08 02:55:51,413 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 1] [2024-09-08 02:55:51,414 INFO L312 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE,SAFE (2/4) [2024-09-08 02:55:51,416 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 02:55:51,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 02:55:51,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:55:51,418 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 02:55:51,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Waiting until timeout for monitored process [2024-09-08 02:55:51,422 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 02:55:51,423 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 02:55:51,423 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;@4be34436, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 02:55:51,423 INFO L337 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-09-08 02:55:51,455 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2024-09-08 02:55:51,455 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-09-08 02:55:51,455 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-09-08 02:55:51,456 INFO L408 BasicCegarLoop]: Path program histogram: [] [2024-09-08 02:55:51,457 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (3/4) [2024-09-08 02:55:51,458 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 02:55:51,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 02:55:51,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:55:51,461 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 02:55:51,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (13)] Waiting until timeout for monitored process [2024-09-08 02:55:51,468 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 02:55:51,470 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Thread1of1ForFork2 ======== [2024-09-08 02:55:51,470 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;@4be34436, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 02:55:51,471 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-08 02:55:51,626 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:55:51,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:55:51,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1724118547, now seen corresponding path program 1 times [2024-09-08 02:55:51,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:55:51,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598734037] [2024-09-08 02:55:51,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:55:51,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:55:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:55:52,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:55:52,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:55:52,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598734037] [2024-09-08 02:55:52,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598734037] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:55:52,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:55:52,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-08 02:55:52,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881774323] [2024-09-08 02:55:52,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:55:52,679 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 02:55:52,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:55:52,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 02:55:52,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-09-08 02:55:52,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:55:52,680 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:55:52,681 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 02:55:52,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:55:52,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:55:52,778 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-08 02:55:52,778 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:55:52,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:55:52,778 INFO L85 PathProgramCache]: Analyzing trace with hash 712710962, now seen corresponding path program 1 times [2024-09-08 02:55:52,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:55:52,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944252868] [2024-09-08 02:55:52,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:55:52,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:55:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:55:53,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:55:53,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:55:53,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944252868] [2024-09-08 02:55:53,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944252868] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 02:55:53,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776112103] [2024-09-08 02:55:53,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:55:53,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:55:53,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:55:53,868 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 02:55:53,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-09-08 02:55:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:55:53,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-09-08 02:55:53,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 02:55:54,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:55:54,394 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 02:56:00,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:56:00,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776112103] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 02:56:00,248 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 02:56:00,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2024-09-08 02:56:00,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683801167] [2024-09-08 02:56:00,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 02:56:00,249 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-09-08 02:56:00,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:56:00,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-09-08 02:56:00,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-09-08 02:56:00,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:56:00,250 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:56:00,250 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.611111111111111) internal successors, (47), 17 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 02:56:00,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:56:00,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:56:00,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:56:00,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 02:56:00,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-09-08 02:56:01,154 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-09-08 02:56:01,155 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:56:01,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:56:01,156 INFO L85 PathProgramCache]: Analyzing trace with hash 770950611, now seen corresponding path program 2 times [2024-09-08 02:56:01,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:56:01,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006673747] [2024-09-08 02:56:01,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:56:01,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:56:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:56:02,442 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:56:02,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:56:02,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006673747] [2024-09-08 02:56:02,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006673747] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 02:56:02,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006016395] [2024-09-08 02:56:02,443 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 02:56:02,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:56:02,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:56:02,444 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 02:56:02,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-09-08 02:56:02,534 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 02:56:02,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 02:56:02,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-09-08 02:56:02,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 02:56:03,117 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 02:56:03,117 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 02:56:03,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006016395] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:56:03,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 02:56:03,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-09-08 02:56:03,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836987924] [2024-09-08 02:56:03,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:56:03,118 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 02:56:03,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:56:03,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 02:56:03,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-09-08 02:56:03,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:56:03,119 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:56:03,119 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 02:56:03,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:56:03,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 02:56:03,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:56:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:56:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 02:56:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:56:03,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-09-08 02:56:03,367 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:56:03,368 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:56:03,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:56:03,368 INFO L85 PathProgramCache]: Analyzing trace with hash -886067827, now seen corresponding path program 1 times [2024-09-08 02:56:03,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:56:03,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185206440] [2024-09-08 02:56:03,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:56:03,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:56:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:56:04,770 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:56:04,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:56:04,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185206440] [2024-09-08 02:56:04,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185206440] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 02:56:04,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014875182] [2024-09-08 02:56:04,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:56:04,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:56:04,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:56:04,772 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 02:56:04,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-09-08 02:56:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:56:04,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-09-08 02:56:04,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 02:56:05,534 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:56:05,534 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 02:56:14,469 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:56:14,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014875182] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 02:56:14,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 02:56:14,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2024-09-08 02:56:14,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594444121] [2024-09-08 02:56:14,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 02:56:14,470 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-08 02:56:14,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:56:14,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-08 02:56:14,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=633, Unknown=0, NotChecked=0, Total=812 [2024-09-08 02:56:14,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:56:14,472 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:56:14,472 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.0) internal successors, (58), 28 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 02:56:14,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:56:14,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 02:56:14,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:56:14,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:56:22,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:56:22,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 02:56:22,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:56:22,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 02:56:22,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-09-08 02:56:22,402 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:56:22,403 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:56:22,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:56:22,403 INFO L85 PathProgramCache]: Analyzing trace with hash 957443565, now seen corresponding path program 2 times [2024-09-08 02:56:22,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:56:22,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776671932] [2024-09-08 02:56:22,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:56:22,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:56:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:56:24,316 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:56:24,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:56:24,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776671932] [2024-09-08 02:56:24,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776671932] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 02:56:24,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321324051] [2024-09-08 02:56:24,316 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 02:56:24,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:56:24,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:56:24,318 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 02:56:24,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-09-08 02:56:24,433 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 02:56:24,433 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 02:56:24,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-09-08 02:56:24,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 02:56:25,254 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-09-08 02:56:25,254 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 02:56:25,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321324051] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:56:25,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 02:56:25,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 22 [2024-09-08 02:56:25,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833716564] [2024-09-08 02:56:25,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:56:25,255 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 02:56:25,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:56:25,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 02:56:25,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2024-09-08 02:56:25,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:56:25,256 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:56:25,256 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 02:56:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:56:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 02:56:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 02:56:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 02:56:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:56:39,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 02:56:39,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 02:56:39,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 02:56:39,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-08 02:56:39,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 02:56:39,801 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 1 remaining) [2024-09-08 02:56:39,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-09-08 02:56:40,001 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-09-08 02:56:40,003 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 1] [2024-09-08 02:56:40,003 INFO L312 ceAbstractionStarter]: Result for error location thread3Thread1of1ForFork2 was SAFE (4/4) [2024-09-08 02:56:40,004 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 02:56:40,004 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 02:56:40,007 INFO L469 ceAbstractionStarter]: Automizer considered 5 witness invariants [2024-09-08 02:56:40,007 INFO L470 ceAbstractionStarter]: WitnessConsidered=5 [2024-09-08 02:56:40,008 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 02:56:40 BasicIcfg [2024-09-08 02:56:40,008 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 02:56:40,008 INFO L158 Benchmark]: Toolchain (without parser) took 153510.49ms. Allocated memory was 165.7MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 94.9MB in the beginning and 522.6MB in the end (delta: -427.7MB). Peak memory consumption was 762.3MB. Max. memory is 16.1GB. [2024-09-08 02:56:40,008 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 165.7MB. Free memory is still 129.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 02:56:40,008 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 165.7MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 02:56:40,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.12ms. Allocated memory is still 165.7MB. Free memory was 94.9MB in the beginning and 63.7MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-09-08 02:56:40,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.16ms. Allocated memory is still 165.7MB. Free memory was 63.7MB in the beginning and 59.2MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-08 02:56:40,009 INFO L158 Benchmark]: Boogie Preprocessor took 66.65ms. Allocated memory is still 165.7MB. Free memory was 59.2MB in the beginning and 56.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-08 02:56:40,009 INFO L158 Benchmark]: RCFGBuilder took 1426.05ms. Allocated memory was 165.7MB in the beginning and 257.9MB in the end (delta: 92.3MB). Free memory was 56.5MB in the beginning and 132.9MB in the end (delta: -76.4MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-09-08 02:56:40,009 INFO L158 Benchmark]: TraceAbstraction took 151405.34ms. Allocated memory was 257.9MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 131.9MB in the beginning and 522.6MB in the end (delta: -390.7MB). Peak memory consumption was 705.1MB. Max. memory is 16.1GB. [2024-09-08 02:56:40,011 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 165.7MB. Free memory is still 129.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 165.7MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 520.12ms. Allocated memory is still 165.7MB. Free memory was 94.9MB in the beginning and 63.7MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.16ms. Allocated memory is still 165.7MB. Free memory was 63.7MB in the beginning and 59.2MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.65ms. Allocated memory is still 165.7MB. Free memory was 59.2MB in the beginning and 56.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1426.05ms. Allocated memory was 165.7MB in the beginning and 257.9MB in the end (delta: 92.3MB). Free memory was 56.5MB in the beginning and 132.9MB in the end (delta: -76.4MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * TraceAbstraction took 151405.34ms. Allocated memory was 257.9MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 131.9MB in the beginning and 522.6MB in the end (delta: -390.7MB). Peak memory consumption was 705.1MB. 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: 21818, independent: 18896, independent conditional: 17455, independent unconditional: 1441, dependent: 2922, dependent conditional: 2915, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19068, independent: 18896, independent conditional: 17455, independent unconditional: 1441, dependent: 172, dependent conditional: 165, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19068, independent: 18896, independent conditional: 17455, independent unconditional: 1441, dependent: 172, dependent conditional: 165, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19398, independent: 18896, independent conditional: 17455, independent unconditional: 1441, dependent: 502, dependent conditional: 495, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19398, independent: 18896, independent conditional: 0, independent unconditional: 18896, dependent: 502, dependent conditional: 330, dependent unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19398, independent: 18896, independent conditional: 0, independent unconditional: 18896, dependent: 502, dependent conditional: 330, dependent unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1106, independent: 1087, independent conditional: 0, independent unconditional: 1087, dependent: 19, dependent conditional: 12, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1106, independent: 1040, independent conditional: 0, independent unconditional: 1040, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 19, dependent conditional: 12, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 19, dependent conditional: 12, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 904, independent: 640, independent conditional: 0, independent unconditional: 640, dependent: 264, dependent conditional: 211, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19398, independent: 17809, independent conditional: 0, independent unconditional: 17809, dependent: 483, dependent conditional: 318, dependent unconditional: 165, unknown: 1106, unknown conditional: 12, unknown unconditional: 1094] , Statistics on independence cache: Total cache size (in pairs): 1106, Positive cache size: 1087, Positive conditional cache size: 0, Positive unconditional cache size: 1087, Negative cache size: 19, Negative conditional cache size: 12, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17620, Maximal queried relation: 2, Independence queries for same thread: 2750, Persistent sets #1 benchmarks: Persistent set computation time: 0.8s, Number of persistent set computation: 844, Number of trivial persistent sets: 593, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1448, independent: 1441, independent conditional: 0, independent unconditional: 1441, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21818, independent: 18896, independent conditional: 17455, independent unconditional: 1441, dependent: 2922, dependent conditional: 2915, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19068, independent: 18896, independent conditional: 17455, independent unconditional: 1441, dependent: 172, dependent conditional: 165, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19068, independent: 18896, independent conditional: 17455, independent unconditional: 1441, dependent: 172, dependent conditional: 165, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19398, independent: 18896, independent conditional: 17455, independent unconditional: 1441, dependent: 502, dependent conditional: 495, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19398, independent: 18896, independent conditional: 0, independent unconditional: 18896, dependent: 502, dependent conditional: 330, dependent unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19398, independent: 18896, independent conditional: 0, independent unconditional: 18896, dependent: 502, dependent conditional: 330, dependent unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1106, independent: 1087, independent conditional: 0, independent unconditional: 1087, dependent: 19, dependent conditional: 12, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1106, independent: 1040, independent conditional: 0, independent unconditional: 1040, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 19, dependent conditional: 12, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 19, dependent conditional: 12, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 904, independent: 640, independent conditional: 0, independent unconditional: 640, dependent: 264, dependent conditional: 211, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19398, independent: 17809, independent conditional: 0, independent unconditional: 17809, dependent: 483, dependent conditional: 318, dependent unconditional: 165, unknown: 1106, unknown conditional: 12, unknown unconditional: 1094] , Statistics on independence cache: Total cache size (in pairs): 1106, Positive cache size: 1087, Positive conditional cache size: 0, Positive unconditional cache size: 1087, Negative cache size: 19, Negative conditional cache size: 12, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17620, Maximal queried relation: 2, Independence queries for same thread: 2750 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21923, independent: 19140, independent conditional: 17738, independent unconditional: 1402, dependent: 2783, dependent conditional: 2776, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19237, independent: 19140, independent conditional: 17738, independent unconditional: 1402, dependent: 97, dependent conditional: 90, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19237, independent: 19140, independent conditional: 17738, independent unconditional: 1402, dependent: 97, dependent conditional: 90, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19417, independent: 19140, independent conditional: 17738, independent unconditional: 1402, dependent: 277, dependent conditional: 270, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19417, independent: 19140, independent conditional: 0, independent unconditional: 19140, dependent: 277, dependent conditional: 180, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19417, independent: 19140, independent conditional: 0, independent unconditional: 19140, dependent: 277, dependent conditional: 180, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1075, independent: 1060, independent conditional: 0, independent unconditional: 1060, dependent: 15, dependent conditional: 8, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1075, independent: 1013, independent conditional: 0, independent unconditional: 1013, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 62, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 15, dependent conditional: 8, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 15, dependent conditional: 8, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 765, independent: 575, independent conditional: 0, independent unconditional: 575, dependent: 190, dependent conditional: 148, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19417, independent: 18080, independent conditional: 0, independent unconditional: 18080, dependent: 262, dependent conditional: 172, dependent unconditional: 90, unknown: 1075, unknown conditional: 8, unknown unconditional: 1067] , Statistics on independence cache: Total cache size (in pairs): 1075, Positive cache size: 1060, Positive conditional cache size: 0, Positive unconditional cache size: 1060, Negative cache size: 15, Negative conditional cache size: 8, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17828, Maximal queried relation: 2, Independence queries for same thread: 2686, Persistent sets #1 benchmarks: Persistent set computation time: 0.7s, Number of persistent set computation: 725, Number of trivial persistent sets: 564, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1409, independent: 1402, independent conditional: 0, independent unconditional: 1402, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21923, independent: 19140, independent conditional: 17738, independent unconditional: 1402, dependent: 2783, dependent conditional: 2776, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19237, independent: 19140, independent conditional: 17738, independent unconditional: 1402, dependent: 97, dependent conditional: 90, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19237, independent: 19140, independent conditional: 17738, independent unconditional: 1402, dependent: 97, dependent conditional: 90, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19417, independent: 19140, independent conditional: 17738, independent unconditional: 1402, dependent: 277, dependent conditional: 270, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19417, independent: 19140, independent conditional: 0, independent unconditional: 19140, dependent: 277, dependent conditional: 180, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19417, independent: 19140, independent conditional: 0, independent unconditional: 19140, dependent: 277, dependent conditional: 180, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1075, independent: 1060, independent conditional: 0, independent unconditional: 1060, dependent: 15, dependent conditional: 8, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1075, independent: 1013, independent conditional: 0, independent unconditional: 1013, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 62, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 15, dependent conditional: 8, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 15, dependent conditional: 8, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 765, independent: 575, independent conditional: 0, independent unconditional: 575, dependent: 190, dependent conditional: 148, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19417, independent: 18080, independent conditional: 0, independent unconditional: 18080, dependent: 262, dependent conditional: 172, dependent unconditional: 90, unknown: 1075, unknown conditional: 8, unknown unconditional: 1067] , Statistics on independence cache: Total cache size (in pairs): 1075, Positive cache size: 1060, Positive conditional cache size: 0, Positive unconditional cache size: 1060, Negative cache size: 15, Negative conditional cache size: 8, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17828, Maximal queried relation: 2, Independence queries for same thread: 2686 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 454, independent: 438, independent conditional: 43, independent unconditional: 395, dependent: 16, dependent conditional: 12, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 442, independent: 438, independent conditional: 43, independent unconditional: 395, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 442, independent: 438, independent conditional: 43, independent unconditional: 395, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 442, independent: 438, independent conditional: 43, independent unconditional: 395, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 442, independent: 438, independent conditional: 0, independent unconditional: 438, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 442, independent: 438, independent conditional: 0, independent unconditional: 438, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 399, independent: 395, independent conditional: 0, independent unconditional: 395, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 399, independent: 393, independent conditional: 0, independent unconditional: 393, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 27, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 442, independent: 43, independent conditional: 0, independent unconditional: 43, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 399, unknown conditional: 0, unknown unconditional: 399] , Statistics on independence cache: Total cache size (in pairs): 399, Positive cache size: 395, Positive conditional cache size: 0, Positive unconditional cache size: 395, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 43, Maximal queried relation: 0, Independence queries for same thread: 12, Persistent sets #1 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 16, Number of trivial persistent sets: 8, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 399, independent: 395, independent conditional: 0, independent unconditional: 395, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 454, independent: 438, independent conditional: 43, independent unconditional: 395, dependent: 16, dependent conditional: 12, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 442, independent: 438, independent conditional: 43, independent unconditional: 395, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 442, independent: 438, independent conditional: 43, independent unconditional: 395, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 442, independent: 438, independent conditional: 43, independent unconditional: 395, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 442, independent: 438, independent conditional: 0, independent unconditional: 438, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 442, independent: 438, independent conditional: 0, independent unconditional: 438, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 399, independent: 395, independent conditional: 0, independent unconditional: 395, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 399, independent: 393, independent conditional: 0, independent unconditional: 393, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 27, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 442, independent: 43, independent conditional: 0, independent unconditional: 43, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 399, unknown conditional: 0, unknown unconditional: 399] , Statistics on independence cache: Total cache size (in pairs): 399, Positive cache size: 395, Positive conditional cache size: 0, Positive unconditional cache size: 395, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 43, Maximal queried relation: 0, Independence queries for same thread: 12 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21573, independent: 19125, independent conditional: 17787, independent unconditional: 1338, dependent: 2448, dependent conditional: 2441, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19251, independent: 19125, independent conditional: 17787, independent unconditional: 1338, dependent: 126, dependent conditional: 119, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19251, independent: 19125, independent conditional: 17787, independent unconditional: 1338, dependent: 126, dependent conditional: 119, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19489, independent: 19125, independent conditional: 17787, independent unconditional: 1338, dependent: 364, dependent conditional: 357, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19489, independent: 19125, independent conditional: 0, independent unconditional: 19125, dependent: 364, dependent conditional: 238, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19489, independent: 19125, independent conditional: 0, independent unconditional: 19125, dependent: 364, dependent conditional: 238, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1049, independent: 1030, independent conditional: 0, independent unconditional: 1030, dependent: 19, dependent conditional: 12, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1049, independent: 983, independent conditional: 0, independent unconditional: 983, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 19, dependent conditional: 12, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 19, dependent conditional: 12, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 800, independent: 527, independent conditional: 0, independent unconditional: 527, dependent: 272, dependent conditional: 233, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19489, independent: 18095, independent conditional: 0, independent unconditional: 18095, dependent: 345, dependent conditional: 226, dependent unconditional: 119, unknown: 1049, unknown conditional: 12, unknown unconditional: 1037] , Statistics on independence cache: Total cache size (in pairs): 1049, Positive cache size: 1030, Positive conditional cache size: 0, Positive unconditional cache size: 1030, Negative cache size: 19, Negative conditional cache size: 12, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17906, Maximal queried relation: 2, Independence queries for same thread: 2322, Persistent sets #1 benchmarks: Persistent set computation time: 0.6s, Number of persistent set computation: 775, Number of trivial persistent sets: 541, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1345, independent: 1338, independent conditional: 0, independent unconditional: 1338, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21573, independent: 19125, independent conditional: 17787, independent unconditional: 1338, dependent: 2448, dependent conditional: 2441, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19251, independent: 19125, independent conditional: 17787, independent unconditional: 1338, dependent: 126, dependent conditional: 119, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19251, independent: 19125, independent conditional: 17787, independent unconditional: 1338, dependent: 126, dependent conditional: 119, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19489, independent: 19125, independent conditional: 17787, independent unconditional: 1338, dependent: 364, dependent conditional: 357, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19489, independent: 19125, independent conditional: 0, independent unconditional: 19125, dependent: 364, dependent conditional: 238, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19489, independent: 19125, independent conditional: 0, independent unconditional: 19125, dependent: 364, dependent conditional: 238, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1049, independent: 1030, independent conditional: 0, independent unconditional: 1030, dependent: 19, dependent conditional: 12, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1049, independent: 983, independent conditional: 0, independent unconditional: 983, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 19, dependent conditional: 12, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 19, dependent conditional: 12, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 800, independent: 527, independent conditional: 0, independent unconditional: 527, dependent: 272, dependent conditional: 233, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19489, independent: 18095, independent conditional: 0, independent unconditional: 18095, dependent: 345, dependent conditional: 226, dependent unconditional: 119, unknown: 1049, unknown conditional: 12, unknown unconditional: 1037] , Statistics on independence cache: Total cache size (in pairs): 1049, Positive cache size: 1030, Positive conditional cache size: 0, Positive unconditional cache size: 1030, Negative cache size: 19, Negative conditional cache size: 12, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17906, Maximal queried relation: 2, Independence queries for same thread: 2322 - PositiveResult [Line: 67]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 72]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 49]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 55]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 89]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread2Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 71 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 55.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 24.3s, 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: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 29.8s InterpolantComputationTime, 186 NumberOfCodeBlocks, 171 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 17322 SizeOfPredicates, 45 NumberOfNonLiveVariables, 714 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 66/168 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 71 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 46.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 22.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 23.0s InterpolantComputationTime, 168 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 191 ConstructedInterpolants, 0 QuantifiedInterpolants, 17307 SizeOfPredicates, 17 NumberOfNonLiveVariables, 706 ConjunctsInSsa, 124 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 66/168 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 71 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread3Thread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 71 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 48.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 23.3s, 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: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 24.0s InterpolantComputationTime, 204 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 235 ConstructedInterpolants, 0 QuantifiedInterpolants, 17341 SizeOfPredicates, 45 NumberOfNonLiveVariables, 722 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 66/168 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-08 02:56:40,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (13)] Forceful destruction successful, exit code 0 [2024-09-08 02:56:40,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Forceful destruction successful, exit code 0 [2024-09-08 02:56:40,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Forceful destruction successful, exit code 0 [2024-09-08 02:56:40,644 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-08 02:56:40,855 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