./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 --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 e94c40da Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-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 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-23 18:39:28,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 18:39:28,685 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 18:39:28,690 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 18:39:28,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 18:39:28,719 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 18:39:28,720 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 18:39:28,720 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 18:39:28,721 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 18:39:28,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 18:39:28,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 18:39:28,723 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 18:39:28,723 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 18:39:28,725 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 18:39:28,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 18:39:28,726 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 18:39:28,726 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 18:39:28,727 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 18:39:28,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 18:39:28,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 18:39:28,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 18:39:28,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 18:39:28,731 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 18:39:28,731 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 18:39:28,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 18:39:28,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 18:39:28,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 18:39:28,732 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 18:39:28,733 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 18:39:28,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 18:39:28,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 18:39:28,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 18:39:28,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 18:39:28,734 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 18:39:28,734 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 18:39:28,734 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 18:39:28,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 18:39:28,736 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 18:39:28,736 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 18:39:28,736 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 18:39:28,736 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 18:39:28,737 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-23 18:39:28,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 18:39:28,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 18:39:28,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 18:39:28,973 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 18:39:28,974 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 18:39:28,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2024-09-23 18:39:30,311 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 18:39:30,491 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 18:39:30,491 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2024-09-23 18:39:30,499 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/78deabafd/e0e7941298bd4d88bbf2e1436235c500/FLAGad19071a7 [2024-09-23 18:39:30,513 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/78deabafd/e0e7941298bd4d88bbf2e1436235c500 [2024-09-23 18:39:30,516 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 18:39:30,516 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 18:39:30,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-local/popl20-queue-add-3.wvr.yml/witness.yml [2024-09-23 18:39:30,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 18:39:30,747 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 18:39:30,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 18:39:30,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 18:39:30,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 18:39:30,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 06:39:30" (1/2) ... [2024-09-23 18:39:30,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8d3bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:39:30, skipping insertion in model container [2024-09-23 18:39:30,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 06:39:30" (1/2) ... [2024-09-23 18:39:30,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c5e51e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:39:30, skipping insertion in model container [2024-09-23 18:39:30,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 06:39:30" (2/2) ... [2024-09-23 18:39:30,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8d3bef and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:39:30, skipping insertion in model container [2024-09-23 18:39:30,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 06:39:30" (2/2) ... [2024-09-23 18:39:30,815 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 18:39:30,816 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) [2024-09-23 18:39:30,816 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) [2024-09-23 18:39:30,816 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) [2024-09-23 18:39:30,817 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) [2024-09-23 18:39:30,817 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) [2024-09-23 18:39:30,839 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 18:39:31,027 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c[3451,3464] [2024-09-23 18:39:31,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 18:39:31,043 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-23 18:39:31,206 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c[3451,3464] [2024-09-23 18:39:31,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 18:39:31,224 INFO L204 MainTranslator]: Completed translation [2024-09-23 18:39:31,224 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:39:31 WrapperNode [2024-09-23 18:39:31,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 18:39:31,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 18:39:31,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 18:39:31,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 18:39:31,232 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 23.09 06:39:31" (1/1) ... [2024-09-23 18:39:31,244 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 23.09 06:39:31" (1/1) ... [2024-09-23 18:39:31,290 INFO L138 Inliner]: procedures = 24, calls = 40, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 249 [2024-09-23 18:39:31,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 18:39:31,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 18:39:31,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 18:39:31,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 18:39:31,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:39:31" (1/1) ... [2024-09-23 18:39:31,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:39:31" (1/1) ... [2024-09-23 18:39:31,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:39:31" (1/1) ... [2024-09-23 18:39:31,308 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:39:31" (1/1) ... [2024-09-23 18:39:31,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:39:31" (1/1) ... [2024-09-23 18:39:31,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:39:31" (1/1) ... [2024-09-23 18:39:31,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:39:31" (1/1) ... [2024-09-23 18:39:31,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:39:31" (1/1) ... [2024-09-23 18:39:31,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 18:39:31,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 18:39:31,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 18:39:31,344 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 18:39:31,345 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:39:31" (1/1) ... [2024-09-23 18:39:31,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 18:39:31,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:39:31,376 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) [2024-09-23 18:39:31,379 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 [2024-09-23 18:39:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 18:39:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-23 18:39:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-23 18:39:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-23 18:39:31,429 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-23 18:39:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-23 18:39:31,429 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-23 18:39:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 18:39:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-23 18:39:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-23 18:39:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-23 18:39:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-23 18:39:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 18:39:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 18:39:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-23 18:39:31,432 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-23 18:39:31,546 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 18:39:31,547 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 18:39:32,145 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 18:39:32,145 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 18:39:32,629 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 18:39:32,629 INFO L318 CfgBuilder]: Removed 5 assume(true) statements. [2024-09-23 18:39:32,631 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 06:39:32 BoogieIcfgContainer [2024-09-23 18:39:32,631 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 18:39:32,633 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 18:39:32,633 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 18:39:32,637 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 18:39:32,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 06:39:30" (1/4) ... [2024-09-23 18:39:32,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4651f07a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 06:39:32, skipping insertion in model container [2024-09-23 18:39:32,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 06:39:30" (2/4) ... [2024-09-23 18:39:32,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4651f07a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 06:39:32, skipping insertion in model container [2024-09-23 18:39:32,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:39:31" (3/4) ... [2024-09-23 18:39:32,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4651f07a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 06:39:32, skipping insertion in model container [2024-09-23 18:39:32,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 06:39:32" (4/4) ... [2024-09-23 18:39:32,642 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-3.wvr.c [2024-09-23 18:39:32,659 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 18:39:32,659 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-09-23 18:39:32,659 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 18:39:32,768 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-09-23 18:39:32,806 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 18:39:32,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 18:39:32,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:39:32,808 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) [2024-09-23 18:39:32,810 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 [2024-09-23 18:39:32,842 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 18:39:32,854 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork1 ======== [2024-09-23 18:39:32,861 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;@3dacbdf5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 18:39:32,862 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-23 18:39:33,273 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-23 18:39:33,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:39:33,278 INFO L85 PathProgramCache]: Analyzing trace with hash -71802415, now seen corresponding path program 1 times [2024-09-23 18:39:33,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:39:33,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606351182] [2024-09-23 18:39:33,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:39:33,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:39:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:39:35,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 18:39:35,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:39:35,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606351182] [2024-09-23 18:39:35,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606351182] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 18:39:35,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 18:39:35,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-23 18:39:35,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921691713] [2024-09-23 18:39:35,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 18:39:35,748 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-23 18:39:35,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:39:35,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-23 18:39:35,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-09-23 18:39:35,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:39:35,774 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:39:35,775 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) [2024-09-23 18:39:35,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:39:35,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:39:35,862 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 18:39:35,862 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-23 18:39:35,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:39:35,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1200811179, now seen corresponding path program 1 times [2024-09-23 18:39:35,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:39:35,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711070094] [2024-09-23 18:39:35,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:39:35,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:39:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:39:37,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 18:39:37,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:39:37,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711070094] [2024-09-23 18:39:37,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711070094] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:39:37,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901803144] [2024-09-23 18:39:37,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:39:37,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:39:37,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:39:37,451 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) [2024-09-23 18:39:37,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-23 18:39:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:39:37,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-09-23 18:39:37,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:39:38,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 18:39:38,522 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:39:45,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 18:39:45,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901803144] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:39:45,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:39:45,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2024-09-23 18:39:45,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200499736] [2024-09-23 18:39:45,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:39:45,971 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-09-23 18:39:45,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:39:45,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-09-23 18:39:45,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-09-23 18:39:45,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:39:45,974 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:39:45,974 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) [2024-09-23 18:39:45,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:39:45,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:39:46,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:39:46,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 18:39:46,726 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-23 18:39:46,915 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 [2024-09-23 18:39:46,915 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-23 18:39:46,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:39:46,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1668368465, now seen corresponding path program 2 times [2024-09-23 18:39:46,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:39:46,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953303716] [2024-09-23 18:39:46,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:39:46,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:39:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:39:48,525 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 18:39:48,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:39:48,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953303716] [2024-09-23 18:39:48,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953303716] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:39:48,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974331272] [2024-09-23 18:39:48,526 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 18:39:48,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:39:48,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:39:48,529 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) [2024-09-23 18:39:48,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-23 18:39:48,606 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-23 18:39:48,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:39:48,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-09-23 18:39:48,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:39:49,318 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-23 18:39:49,319 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 18:39:49,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974331272] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 18:39:49,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 18:39:49,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-09-23 18:39:49,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644270663] [2024-09-23 18:39:49,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 18:39:49,322 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-23 18:39:49,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:39:49,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-23 18:39:49,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-09-23 18:39:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:39:49,325 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:39:49,325 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) [2024-09-23 18:39:49,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:39:49,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 18:39:49,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:39:49,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:39:49,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 18:39:49,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 18:39:49,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-23 18:39:49,590 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 [2024-09-23 18:39:49,591 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-23 18:39:49,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:39:49,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1360726790, now seen corresponding path program 1 times [2024-09-23 18:39:49,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:39:49,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097356420] [2024-09-23 18:39:49,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:39:49,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:39:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:39:51,218 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 18:39:51,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:39:51,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097356420] [2024-09-23 18:39:51,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097356420] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:39:51,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680945297] [2024-09-23 18:39:51,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:39:51,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:39:51,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:39:51,220 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) [2024-09-23 18:39:51,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-23 18:39:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:39:51,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-09-23 18:39:51,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:39:51,963 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 18:39:51,963 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:40:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 18:40:00,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680945297] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:40:00,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:40:00,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2024-09-23 18:40:00,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992642039] [2024-09-23 18:40:00,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:40:00,621 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-23 18:40:00,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:40:00,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-23 18:40:00,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=633, Unknown=0, NotChecked=0, Total=812 [2024-09-23 18:40:00,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:40:00,622 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:40:00,623 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) [2024-09-23 18:40:00,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:40:00,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 18:40:00,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 18:40:00,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:40:07,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:40:07,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 18:40:07,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 18:40:07,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:40:07,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-09-23 18:40:08,027 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 [2024-09-23 18:40:08,027 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-23 18:40:08,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:40:08,028 INFO L85 PathProgramCache]: Analyzing trace with hash 785350982, now seen corresponding path program 2 times [2024-09-23 18:40:08,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:40:08,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822540793] [2024-09-23 18:40:08,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:40:08,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:40:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:40:10,144 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 18:40:10,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:40:10,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822540793] [2024-09-23 18:40:10,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822540793] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:40:10,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743052007] [2024-09-23 18:40:10,145 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 18:40:10,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:40:10,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:40:10,148 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) [2024-09-23 18:40:10,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-23 18:40:10,232 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-23 18:40:10,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:40:10,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-09-23 18:40:10,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:40:11,066 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-09-23 18:40:11,066 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 18:40:11,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743052007] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 18:40:11,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 18:40:11,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 22 [2024-09-23 18:40:11,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175045553] [2024-09-23 18:40:11,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 18:40:11,067 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-23 18:40:11,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:40:11,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-23 18:40:11,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2024-09-23 18:40:11,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:40:11,068 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:40:11,068 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) [2024-09-23 18:40:11,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:40:11,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 18:40:11,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 18:40:11,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:40:11,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:40:25,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 18:40:25,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:40:25,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 18:40:25,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:40:25,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 18:40:25,663 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-23 18:40:25,664 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 2 remaining) [2024-09-23 18:40:25,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-23 18:40:25,864 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 [2024-09-23 18:40:25,869 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 1] [2024-09-23 18:40:25,871 INFO L312 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork1 was SAFE,SAFE (1/4) [2024-09-23 18:40:25,874 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 18:40:25,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 18:40:25,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:40:25,876 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) [2024-09-23 18:40:25,877 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 [2024-09-23 18:40:25,881 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 18:40:25,881 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ======== [2024-09-23 18:40:25,881 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;@3dacbdf5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 18:40:25,882 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-23 18:40:26,018 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-23 18:40:26,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:40:26,018 INFO L85 PathProgramCache]: Analyzing trace with hash -549794801, now seen corresponding path program 1 times [2024-09-23 18:40:26,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:40:26,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437948724] [2024-09-23 18:40:26,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:40:26,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:40:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:40:26,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 18:40:26,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:40:26,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437948724] [2024-09-23 18:40:26,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437948724] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 18:40:26,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 18:40:26,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-23 18:40:26,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878246705] [2024-09-23 18:40:26,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 18:40:26,835 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-23 18:40:26,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:40:26,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-23 18:40:26,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-09-23 18:40:26,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:40:26,837 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:40:26,837 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) [2024-09-23 18:40:26,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:40:26,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:40:26,886 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-23 18:40:26,886 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-23 18:40:26,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:40:26,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1844558487, now seen corresponding path program 1 times [2024-09-23 18:40:26,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:40:26,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387723902] [2024-09-23 18:40:26,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:40:26,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:40:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:40:27,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 18:40:27,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:40:27,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387723902] [2024-09-23 18:40:27,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387723902] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:40:27,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333329071] [2024-09-23 18:40:27,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:40:27,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:40:27,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:40:27,832 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) [2024-09-23 18:40:27,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-23 18:40:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:40:27,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-09-23 18:40:27,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:40:28,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 18:40:28,229 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:40:33,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 18:40:33,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333329071] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:40:33,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:40:33,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2024-09-23 18:40:33,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885710687] [2024-09-23 18:40:33,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:40:33,759 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-09-23 18:40:33,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:40:33,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-09-23 18:40:33,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-09-23 18:40:33,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:40:33,760 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:40:33,760 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) [2024-09-23 18:40:33,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:40:33,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:40:34,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:40:34,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 18:40:34,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-09-23 18:40:34,621 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 [2024-09-23 18:40:34,622 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-23 18:40:34,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:40:34,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1258597745, now seen corresponding path program 2 times [2024-09-23 18:40:34,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:40:34,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135954936] [2024-09-23 18:40:34,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:40:34,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:40:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:40:35,861 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 18:40:35,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:40:35,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135954936] [2024-09-23 18:40:35,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135954936] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:40:35,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427075465] [2024-09-23 18:40:35,862 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 18:40:35,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:40:35,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:40:35,864 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) [2024-09-23 18:40:35,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-23 18:40:35,932 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-23 18:40:35,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:40:35,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-09-23 18:40:35,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:40:36,322 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-23 18:40:36,322 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 18:40:36,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427075465] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 18:40:36,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 18:40:36,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 14 [2024-09-23 18:40:36,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347202236] [2024-09-23 18:40:36,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 18:40:36,323 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-23 18:40:36,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:40:36,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-23 18:40:36,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-09-23 18:40:36,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:40:36,323 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:40:36,323 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) [2024-09-23 18:40:36,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:40:36,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 18:40:36,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:40:36,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:40:36,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 18:40:36,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 18:40:36,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-23 18:40:36,562 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 [2024-09-23 18:40:36,563 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-23 18:40:36,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:40:36,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1674559868, now seen corresponding path program 1 times [2024-09-23 18:40:36,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:40:36,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013511130] [2024-09-23 18:40:36,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:40:36,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:40:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:40:37,800 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 18:40:37,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:40:37,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013511130] [2024-09-23 18:40:37,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013511130] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:40:37,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199305841] [2024-09-23 18:40:37,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:40:37,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:40:37,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:40:37,802 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) [2024-09-23 18:40:37,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-23 18:40:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:40:37,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-09-23 18:40:37,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:40:38,371 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 18:40:38,371 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:40:46,745 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 18:40:46,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199305841] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:40:46,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:40:46,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 28 [2024-09-23 18:40:46,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108441198] [2024-09-23 18:40:46,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:40:46,746 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-09-23 18:40:46,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:40:46,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-09-23 18:40:46,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=680, Unknown=0, NotChecked=0, Total=870 [2024-09-23 18:40:46,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:40:46,747 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:40:46,748 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) [2024-09-23 18:40:46,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:40:46,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 18:40:46,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 18:40:46,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:40:53,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:40:53,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 18:40:53,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 18:40:53,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:40:53,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-09-23 18:40:53,948 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 [2024-09-23 18:40:53,948 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-23 18:40:53,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:40:53,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1024279748, now seen corresponding path program 2 times [2024-09-23 18:40:53,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:40:53,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186996417] [2024-09-23 18:40:53,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:40:53,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:40:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:40:55,771 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 18:40:55,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:40:55,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186996417] [2024-09-23 18:40:55,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186996417] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:40:55,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902749800] [2024-09-23 18:40:55,772 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 18:40:55,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:40:55,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:40:55,773 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) [2024-09-23 18:40:55,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-23 18:40:55,854 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-23 18:40:55,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:40:55,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-09-23 18:40:55,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:40:56,392 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-09-23 18:40:56,393 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 18:40:56,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902749800] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 18:40:56,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 18:40:56,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16] total 21 [2024-09-23 18:40:56,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839679311] [2024-09-23 18:40:56,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 18:40:56,394 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-23 18:40:56,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:40:56,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-23 18:40:56,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2024-09-23 18:40:56,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:40:56,394 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:40:56,395 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) [2024-09-23 18:40:56,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:40:56,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 18:40:56,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 18:40:56,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:40:56,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:09,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 18:41:09,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:41:09,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 18:41:09,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:41:09,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 18:41:09,661 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-23 18:41:09,662 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 2 remaining) [2024-09-23 18:41:09,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-09-23 18:41:09,862 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 [2024-09-23 18:41:09,863 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 1] [2024-09-23 18:41:09,863 INFO L312 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE,SAFE (2/4) [2024-09-23 18:41:09,865 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 18:41:09,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 18:41:09,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:41:09,867 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) [2024-09-23 18:41:09,868 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 [2024-09-23 18:41:09,870 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 18:41:09,870 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 18:41:09,870 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;@3dacbdf5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 18:41:09,870 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-23 18:41:10,315 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:41:10,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:41:10,316 INFO L85 PathProgramCache]: Analyzing trace with hash 2085865698, now seen corresponding path program 1 times [2024-09-23 18:41:10,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:41:10,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67529595] [2024-09-23 18:41:10,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:41:10,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:41:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:41:10,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 18:41:10,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:41:10,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67529595] [2024-09-23 18:41:10,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67529595] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 18:41:10,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 18:41:10,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-23 18:41:10,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183888676] [2024-09-23 18:41:10,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 18:41:10,429 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-23 18:41:10,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:41:10,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-23 18:41:10,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-23 18:41:10,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:10,430 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:41:10,431 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-09-23 18:41:10,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:10,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:10,504 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-23 18:41:10,504 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:41:10,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:41:10,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1098322236, now seen corresponding path program 1 times [2024-09-23 18:41:10,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:41:10,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806090780] [2024-09-23 18:41:10,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:41:10,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:41:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:41:10,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 18:41:10,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:41:10,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806090780] [2024-09-23 18:41:10,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806090780] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:41:10,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427526586] [2024-09-23 18:41:10,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:41:10,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:41:10,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:41:10,676 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:41:10,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-09-23 18:41:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:41:10,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-23 18:41:10,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:41:10,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-23 18:41:10,829 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 18:41:10,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427526586] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 18:41:10,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 18:41:10,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-09-23 18:41:10,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855303340] [2024-09-23 18:41:10,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 18:41:10,830 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-23 18:41:10,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:41:10,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-23 18:41:10,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-09-23 18:41:10,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:10,831 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:41:10,831 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-09-23 18:41:10,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:10,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:10,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:10,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:10,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-09-23 18:41:11,094 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-09-23 18:41:11,095 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:41:11,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:41:11,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1719511101, now seen corresponding path program 1 times [2024-09-23 18:41:11,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:41:11,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767355235] [2024-09-23 18:41:11,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:41:11,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:41:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:41:11,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-23 18:41:11,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:41:11,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767355235] [2024-09-23 18:41:11,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767355235] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:41:11,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211825474] [2024-09-23 18:41:11,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:41:11,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:41:11,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:41:11,261 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) [2024-09-23 18:41:11,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-09-23 18:41:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:41:11,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-23 18:41:11,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:41:11,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-23 18:41:11,455 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:41:11,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-23 18:41:11,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211825474] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:41:11,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:41:11,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-09-23 18:41:11,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872801747] [2024-09-23 18:41:11,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:41:11,534 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-23 18:41:11,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:41:11,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-23 18:41:11,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-09-23 18:41:11,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:11,535 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:41:11,535 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 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) [2024-09-23 18:41:11,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:11,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:11,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:11,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:11,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:11,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:11,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-09-23 18:41:11,822 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,SelfDestructingSolverStorable12 [2024-09-23 18:41:11,822 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:41:11,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:41:11,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1878016535, now seen corresponding path program 2 times [2024-09-23 18:41:11,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:41:11,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649890794] [2024-09-23 18:41:11,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:41:11,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:41:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:41:12,575 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-23 18:41:12,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:41:12,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649890794] [2024-09-23 18:41:12,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649890794] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:41:12,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109282199] [2024-09-23 18:41:12,576 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 18:41:12,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:41:12,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:41:12,577 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) [2024-09-23 18:41:12,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-09-23 18:41:12,719 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-23 18:41:12,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:41:12,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-09-23 18:41:12,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:41:12,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-09-23 18:41:12,935 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-23 18:41:12,936 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:41:13,069 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-23 18:41:13,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 11 [2024-09-23 18:41:13,301 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-23 18:41:13,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109282199] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:41:13,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:41:13,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 21 [2024-09-23 18:41:13,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635671438] [2024-09-23 18:41:13,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:41:13,302 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-09-23 18:41:13,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:41:13,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-09-23 18:41:13,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2024-09-23 18:41:13,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:13,303 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:41:13,303 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.5) internal successors, (99), 21 states have internal predecessors, (99), 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) [2024-09-23 18:41:13,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:13,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:13,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:13,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:13,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:13,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:13,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:13,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:13,991 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-09-23 18:41:14,173 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-09-23 18:41:14,174 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:41:14,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:41:14,175 INFO L85 PathProgramCache]: Analyzing trace with hash -769701690, now seen corresponding path program 1 times [2024-09-23 18:41:14,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:41:14,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807667283] [2024-09-23 18:41:14,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:41:14,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:41:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:41:14,523 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-23 18:41:14,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:41:14,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807667283] [2024-09-23 18:41:14,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807667283] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:41:14,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95344153] [2024-09-23 18:41:14,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:41:14,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:41:14,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:41:14,525 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) [2024-09-23 18:41:14,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-09-23 18:41:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:41:14,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-23 18:41:14,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:41:14,828 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-23 18:41:14,828 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:41:14,936 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-23 18:41:14,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95344153] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:41:14,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:41:14,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-09-23 18:41:14,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767363929] [2024-09-23 18:41:14,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:41:14,939 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-23 18:41:14,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:41:14,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-23 18:41:14,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-09-23 18:41:14,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:14,940 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:41:14,940 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 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) [2024-09-23 18:41:14,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:14,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:14,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:14,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:14,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:15,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:15,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:15,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:15,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:15,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:15,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-09-23 18:41:15,311 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:41:15,312 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:41:15,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:41:15,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1985180773, now seen corresponding path program 2 times [2024-09-23 18:41:15,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:41:15,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903468144] [2024-09-23 18:41:15,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:41:15,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:41:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:41:16,285 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-23 18:41:16,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:41:16,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903468144] [2024-09-23 18:41:16,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903468144] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:41:16,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287525865] [2024-09-23 18:41:16,285 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 18:41:16,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:41:16,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:41:16,287 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) [2024-09-23 18:41:16,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-09-23 18:41:16,447 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-23 18:41:16,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:41:16,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-09-23 18:41:16,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:41:16,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 8 [2024-09-23 18:41:16,647 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-09-23 18:41:16,647 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:41:16,801 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-23 18:41:16,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 11 [2024-09-23 18:41:17,042 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-23 18:41:17,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287525865] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:41:17,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:41:17,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 28 [2024-09-23 18:41:17,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736529575] [2024-09-23 18:41:17,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:41:17,043 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-23 18:41:17,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:41:17,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-23 18:41:17,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=683, Unknown=0, NotChecked=0, Total=812 [2024-09-23 18:41:17,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:17,044 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:41:17,044 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.103448275862069) internal successors, (119), 28 states have internal predecessors, (119), 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) [2024-09-23 18:41:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:18,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:18,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:18,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:18,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:18,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:18,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:41:18,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-09-23 18:41:18,269 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,SelfDestructingSolverStorable15 [2024-09-23 18:41:18,270 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:41:18,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:41:18,270 INFO L85 PathProgramCache]: Analyzing trace with hash -297727321, now seen corresponding path program 1 times [2024-09-23 18:41:18,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:41:18,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863065528] [2024-09-23 18:41:18,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:41:18,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:41:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:41:19,799 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-23 18:41:19,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:41:19,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863065528] [2024-09-23 18:41:19,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863065528] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:41:19,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812055306] [2024-09-23 18:41:19,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:41:19,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:41:19,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:41:19,802 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:41:19,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-09-23 18:41:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:41:20,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-09-23 18:41:20,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:41:20,197 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-09-23 18:41:20,197 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:41:20,252 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-23 18:41:20,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 12 [2024-09-23 18:41:20,294 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-09-23 18:41:20,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812055306] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:41:20,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:41:20,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 5] total 21 [2024-09-23 18:41:20,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596767423] [2024-09-23 18:41:20,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:41:20,295 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-09-23 18:41:20,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:41:20,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-09-23 18:41:20,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2024-09-23 18:41:20,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:20,297 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:41:20,297 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.681818181818182) internal successors, (103), 21 states have internal predecessors, (103), 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) [2024-09-23 18:41:20,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:20,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:41:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:41:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:41:21,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-09-23 18:41:21,394 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-09-23 18:41:21,394 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:41:21,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:41:21,395 INFO L85 PathProgramCache]: Analyzing trace with hash -128857095, now seen corresponding path program 2 times [2024-09-23 18:41:21,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:41:21,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512199903] [2024-09-23 18:41:21,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:41:21,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:41:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:41:22,045 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 19 proven. 61 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-23 18:41:22,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:41:22,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512199903] [2024-09-23 18:41:22,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512199903] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:41:22,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527679426] [2024-09-23 18:41:22,046 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 18:41:22,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:41:22,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:41:22,050 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:41:22,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-09-23 18:41:22,288 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-23 18:41:22,288 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:41:22,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 1577 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-09-23 18:41:22,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:41:22,666 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 46 proven. 34 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-23 18:41:22,666 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:41:23,083 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 41 proven. 39 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-23 18:41:23,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527679426] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:41:23,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:41:23,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 39 [2024-09-23 18:41:23,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044085370] [2024-09-23 18:41:23,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:41:23,084 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-09-23 18:41:23,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:41:23,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-09-23 18:41:23,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=1163, Unknown=0, NotChecked=0, Total=1560 [2024-09-23 18:41:23,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:23,086 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:41:23,086 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 4.8) internal successors, (192), 39 states have internal predecessors, (192), 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) [2024-09-23 18:41:23,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:23,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:23,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:23,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:23,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:23,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:41:23,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:41:23,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:23,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:23,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:23,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:23,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:23,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:23,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:41:23,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:41:23,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:41:23,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-09-23 18:41:23,614 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-09-23 18:41:23,614 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:41:23,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:41:23,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1911279009, now seen corresponding path program 3 times [2024-09-23 18:41:23,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:41:23,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817786065] [2024-09-23 18:41:23,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:41:23,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:41:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:41:24,199 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 16 proven. 52 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-09-23 18:41:24,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:41:24,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817786065] [2024-09-23 18:41:24,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817786065] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:41:24,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465841786] [2024-09-23 18:41:24,200 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-23 18:41:24,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:41:24,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:41:24,202 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:41:24,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-09-23 18:41:24,530 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-09-23 18:41:24,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:41:24,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-09-23 18:41:24,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:41:24,719 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-23 18:41:24,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 18 [2024-09-23 18:41:24,859 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 15 proven. 47 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-09-23 18:41:24,859 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:41:25,107 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-23 18:41:25,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 11 [2024-09-23 18:41:25,235 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 13 proven. 49 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-09-23 18:41:25,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465841786] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:41:25,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:41:25,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 12] total 29 [2024-09-23 18:41:25,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014296214] [2024-09-23 18:41:25,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:41:25,236 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-23 18:41:25,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:41:25,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-23 18:41:25,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=653, Unknown=0, NotChecked=0, Total=812 [2024-09-23 18:41:25,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:25,237 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:41:25,237 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.758620689655173) internal successors, (138), 29 states have internal predecessors, (138), 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) [2024-09-23 18:41:25,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:25,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:25,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:25,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:25,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:25,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:41:25,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:41:25,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:41:25,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:25,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:25,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:25,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:25,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:25,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:25,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:41:25,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:41:25,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:41:25,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:25,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-09-23 18:41:26,072 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:41:26,073 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:41:26,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:41:26,073 INFO L85 PathProgramCache]: Analyzing trace with hash -569989612, now seen corresponding path program 4 times [2024-09-23 18:41:26,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:41:26,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974113422] [2024-09-23 18:41:26,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:41:26,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:41:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:41:27,692 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 35 proven. 48 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-09-23 18:41:27,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:41:27,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974113422] [2024-09-23 18:41:27,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974113422] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:41:27,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751406455] [2024-09-23 18:41:27,693 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-23 18:41:27,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:41:27,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:41:27,694 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:41:27,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-09-23 18:41:27,948 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-23 18:41:27,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:41:27,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 1595 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-09-23 18:41:27,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:41:28,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 8 [2024-09-23 18:41:28,404 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 46 proven. 16 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-09-23 18:41:28,404 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:41:28,571 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-23 18:41:28,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 11 [2024-09-23 18:41:28,940 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-09-23 18:41:28,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751406455] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:41:28,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:41:28,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 15] total 43 [2024-09-23 18:41:28,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544220002] [2024-09-23 18:41:28,941 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:41:28,941 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-09-23 18:41:28,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:41:28,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-09-23 18:41:28,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=1531, Unknown=0, NotChecked=0, Total=1892 [2024-09-23 18:41:28,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:28,943 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:41:28,943 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 3.8636363636363638) internal successors, (170), 43 states have internal predecessors, (170), 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) [2024-09-23 18:41:28,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:28,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:28,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:28,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:28,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:28,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:41:28,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:41:28,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:41:28,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:28,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:30,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:30,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:30,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:30,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:30,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:30,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:41:30,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:41:30,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:41:30,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:30,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-09-23 18:41:30,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-09-23 18:41:30,779 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-09-23 18:41:30,780 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:41:30,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:41:30,780 INFO L85 PathProgramCache]: Analyzing trace with hash -601460770, now seen corresponding path program 5 times [2024-09-23 18:41:30,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:41:30,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273952777] [2024-09-23 18:41:30,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:41:30,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:41:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:41:32,772 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 49 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-23 18:41:32,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:41:32,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273952777] [2024-09-23 18:41:32,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273952777] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:41:32,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005561119] [2024-09-23 18:41:32,772 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-23 18:41:32,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:41:32,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:41:32,774 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:41:32,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-09-23 18:41:33,094 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-09-23 18:41:33,095 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:41:33,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 1195 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-09-23 18:41:33,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:41:33,441 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 37 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-09-23 18:41:33,441 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:41:33,629 INFO L349 Elim1Store]: treesize reduction 23, result has 75.3 percent of original size [2024-09-23 18:41:33,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 82 [2024-09-23 18:41:33,769 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-09-23 18:41:33,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005561119] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:41:33,769 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:41:33,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 12, 8] total 35 [2024-09-23 18:41:33,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848715087] [2024-09-23 18:41:33,769 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:41:33,770 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-23 18:41:33,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:41:33,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-23 18:41:33,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1147, Unknown=0, NotChecked=0, Total=1260 [2024-09-23 18:41:33,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:33,771 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:41:33,771 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.4722222222222223) internal successors, (125), 35 states have internal predecessors, (125), 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) [2024-09-23 18:41:33,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:33,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:33,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:33,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:33,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:33,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:41:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:41:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:41:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-09-23 18:41:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:36,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:36,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:36,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:36,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:36,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:36,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:41:36,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:41:36,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:41:36,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:36,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:41:36,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-09-23 18:41:36,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-09-23 18:41:36,595 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:41:36,595 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:41:36,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:41:36,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1785774876, now seen corresponding path program 6 times [2024-09-23 18:41:36,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:41:36,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498040289] [2024-09-23 18:41:36,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:41:36,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:41:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:41:38,096 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 19 proven. 91 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-23 18:41:38,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:41:38,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498040289] [2024-09-23 18:41:38,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498040289] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:41:38,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094525898] [2024-09-23 18:41:38,097 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-23 18:41:38,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:41:38,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:41:38,099 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:41:38,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-09-23 18:41:39,093 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-09-23 18:41:39,093 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:41:39,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 1781 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-09-23 18:41:39,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:41:39,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-09-23 18:41:39,810 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 26 proven. 84 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-23 18:41:39,811 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:41:40,049 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-09-23 18:41:40,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-09-23 18:41:40,587 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 24 proven. 86 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-23 18:41:40,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094525898] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:41:40,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:41:40,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 19] total 52 [2024-09-23 18:41:40,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162561178] [2024-09-23 18:41:40,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:41:40,588 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-09-23 18:41:40,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:41:40,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-09-23 18:41:40,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=601, Invalid=2155, Unknown=0, NotChecked=0, Total=2756 [2024-09-23 18:41:40,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:40,590 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:41:40,590 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 4.30188679245283) internal successors, (228), 52 states have internal predecessors, (228), 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) [2024-09-23 18:41:40,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:40,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:40,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:40,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:40,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:40,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:41:40,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:41:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:41:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:41:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-09-23 18:41:40,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:41,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:41,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:41,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:41,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:41,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:41,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:41:41,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:41:41,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:41:41,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:41,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:41:41,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-23 18:41:41,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:41:41,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-09-23 18:41:42,023 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-09-23 18:41:42,024 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:41:42,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:41:42,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1098743149, now seen corresponding path program 7 times [2024-09-23 18:41:42,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:41:42,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078079150] [2024-09-23 18:41:42,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:41:42,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:41:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:41:44,634 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 21 proven. 132 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-23 18:41:44,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:41:44,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078079150] [2024-09-23 18:41:44,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078079150] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:41:44,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860856860] [2024-09-23 18:41:44,635 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-23 18:41:44,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:41:44,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:41:44,636 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:41:44,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-09-23 18:41:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:41:44,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 2035 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-09-23 18:41:44,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:41:45,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 8 [2024-09-23 18:41:45,174 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 40 proven. 40 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-09-23 18:41:45,174 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:41:45,226 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-23 18:41:45,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 11 [2024-09-23 18:41:45,284 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 40 proven. 20 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-09-23 18:41:45,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860856860] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:41:45,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:41:45,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 11, 6] total 35 [2024-09-23 18:41:45,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296035032] [2024-09-23 18:41:45,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:41:45,285 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-23 18:41:45,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:41:45,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-23 18:41:45,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1140, Unknown=0, NotChecked=0, Total=1260 [2024-09-23 18:41:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:45,286 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:41:45,286 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.0) internal successors, (144), 35 states have internal predecessors, (144), 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) [2024-09-23 18:41:45,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:45,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:45,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:45,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:45,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:45,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:41:45,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:41:45,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:41:45,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:45,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:41:45,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-23 18:41:45,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:41:45,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:47,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:47,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:47,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:47,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:47,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:41:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:41:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:41:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:41:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:41:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:41:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:41:47,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-09-23 18:41:47,337 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-09-23 18:41:47,338 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:41:47,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:41:47,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1126950036, now seen corresponding path program 8 times [2024-09-23 18:41:47,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:41:47,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642111470] [2024-09-23 18:41:47,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:41:47,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:41:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:41:50,900 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 35 proven. 142 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-23 18:41:50,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:41:50,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642111470] [2024-09-23 18:41:50,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642111470] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:41:50,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957154459] [2024-09-23 18:41:50,900 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 18:41:50,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:41:50,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:41:50,901 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:41:50,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-09-23 18:41:51,190 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-23 18:41:51,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:41:51,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 2128 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-09-23 18:41:51,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:41:51,569 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 22 proven. 132 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-09-23 18:41:51,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:41:51,760 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-09-23 18:41:51,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-09-23 18:41:51,824 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 22 proven. 99 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-09-23 18:41:51,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957154459] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:41:51,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:41:51,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 14, 8] total 40 [2024-09-23 18:41:51,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232140890] [2024-09-23 18:41:51,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:41:51,825 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-09-23 18:41:51,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:41:51,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-09-23 18:41:51,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=1501, Unknown=0, NotChecked=0, Total=1640 [2024-09-23 18:41:51,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:51,827 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:41:51,827 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 4.682926829268292) internal successors, (192), 40 states have internal predecessors, (192), 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) [2024-09-23 18:41:51,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:51,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:51,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:51,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:51,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:51,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:41:51,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:41:51,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:41:51,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:51,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:41:51,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:41:51,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:41:51,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:41:51,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:41:53,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:53,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:41:53,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:53,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:53,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:41:53,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:41:53,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:41:53,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:41:53,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:41:53,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:41:53,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:41:53,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:41:53,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:41:53,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:41:53,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-09-23 18:41:53,894 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:41:53,894 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:41:53,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:41:53,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1361748860, now seen corresponding path program 9 times [2024-09-23 18:41:53,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:41:53,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375154003] [2024-09-23 18:41:53,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:41:53,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:41:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:41:56,917 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-23 18:41:56,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:41:56,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375154003] [2024-09-23 18:41:56,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375154003] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:41:56,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300088432] [2024-09-23 18:41:56,918 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-23 18:41:56,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:41:56,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:41:56,920 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:41:56,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-09-23 18:41:57,934 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-09-23 18:41:57,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:41:57,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 2466 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-09-23 18:41:57,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:42:00,218 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-23 18:42:00,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 43 [2024-09-23 18:42:00,433 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 1 proven. 277 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-09-23 18:42:00,434 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:42:01,722 INFO L349 Elim1Store]: treesize reduction 15, result has 51.6 percent of original size [2024-09-23 18:42:01,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 32 [2024-09-23 18:42:03,590 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 26 proven. 252 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-09-23 18:42:03,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300088432] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:42:03,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:42:03,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 38, 37] total 100 [2024-09-23 18:42:03,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106727239] [2024-09-23 18:42:03,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:42:03,591 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-09-23 18:42:03,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:42:03,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-09-23 18:42:03,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1566, Invalid=8534, Unknown=0, NotChecked=0, Total=10100 [2024-09-23 18:42:03,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:42:03,594 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:42:03,594 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 3.108910891089109) internal successors, (314), 100 states have internal predecessors, (314), 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) [2024-09-23 18:42:03,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:42:03,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:42:03,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:42:03,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:42:03,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:42:03,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:42:03,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:42:03,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:42:03,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:42:03,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:42:03,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:42:03,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:42:03,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:42:03,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:42:03,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:42:05,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:42:05,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:42:05,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:42:05,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:42:05,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:42:05,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:42:05,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:42:05,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:42:05,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:42:05,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:42:05,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:42:05,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:42:05,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:42:05,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:42:05,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:42:05,672 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-09-23 18:42:05,858 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-09-23 18:42:05,858 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:42:05,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:42:05,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1264861618, now seen corresponding path program 10 times [2024-09-23 18:42:05,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:42:05,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228381617] [2024-09-23 18:42:05,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:42:05,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:42:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:42:09,722 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 41 proven. 277 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-23 18:42:09,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:42:09,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228381617] [2024-09-23 18:42:09,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228381617] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:42:09,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32962375] [2024-09-23 18:42:09,722 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-23 18:42:09,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:42:09,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:42:09,723 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:42:09,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-09-23 18:42:10,076 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-23 18:42:10,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:42:10,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 2648 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-09-23 18:42:10,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:42:10,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-09-23 18:42:10,849 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 59 proven. 237 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-09-23 18:42:10,849 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:42:11,068 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-09-23 18:42:11,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2024-09-23 18:42:11,122 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 52 proven. 179 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-09-23 18:42:11,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32962375] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:42:11,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:42:11,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 22, 10] total 55 [2024-09-23 18:42:11,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242307941] [2024-09-23 18:42:11,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:42:11,123 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-09-23 18:42:11,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:42:11,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-09-23 18:42:11,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=2872, Unknown=0, NotChecked=0, Total=3080 [2024-09-23 18:42:11,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:42:11,125 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:42:11,125 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 4.357142857142857) internal successors, (244), 55 states have internal predecessors, (244), 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) [2024-09-23 18:42:11,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:42:11,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:42:11,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:42:11,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:42:11,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:42:11,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:42:11,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:42:11,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:42:11,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:42:11,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:42:11,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:42:11,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:42:11,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:42:11,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:42:11,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:42:11,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:42:14,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:42:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:42:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:42:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:42:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:42:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:42:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:42:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:42:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:42:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:42:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:42:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:42:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:42:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:42:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:42:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:42:14,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-09-23 18:42:14,903 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-09-23 18:42:14,903 INFO L399 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:42:14,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:42:14,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1559331684, now seen corresponding path program 11 times [2024-09-23 18:42:14,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:42:14,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545923445] [2024-09-23 18:42:14,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:42:14,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:42:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:42:16,372 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 263 proven. 207 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-09-23 18:42:16,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:42:16,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545923445] [2024-09-23 18:42:16,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545923445] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:42:16,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982008398] [2024-09-23 18:42:16,373 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-23 18:42:16,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:42:16,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:42:16,374 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:42:16,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-09-23 18:42:18,548 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2024-09-23 18:42:18,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:42:18,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 3186 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-09-23 18:42:18,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:42:19,398 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 346 proven. 124 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-09-23 18:42:19,398 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:42:20,483 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 370 proven. 100 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-09-23 18:42:20,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982008398] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:42:20,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:42:20,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28, 28] total 81 [2024-09-23 18:42:20,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537241477] [2024-09-23 18:42:20,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:42:20,484 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-09-23 18:42:20,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:42:20,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-09-23 18:42:20,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1664, Invalid=4978, Unknown=0, NotChecked=0, Total=6642 [2024-09-23 18:42:20,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:42:20,487 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:42:20,488 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 4.5) internal successors, (369), 81 states have internal predecessors, (369), 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) [2024-09-23 18:42:20,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:42:20,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:42:20,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:42:20,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:42:20,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:42:20,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:42:20,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:42:20,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:42:20,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:42:20,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:42:20,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:42:20,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:42:20,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:42:20,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:42:20,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:42:20,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:42:20,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:42:21,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:42:21,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:42:21,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:42:21,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:42:21,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:42:21,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:42:21,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:42:21,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:42:21,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:42:21,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:42:21,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:42:21,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:42:21,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:42:21,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:42:21,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:42:21,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:42:21,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:42:21,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-09-23 18:42:21,431 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-09-23 18:42:21,432 INFO L399 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:42:21,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:42:21,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1009110658, now seen corresponding path program 12 times [2024-09-23 18:42:21,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:42:21,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753658986] [2024-09-23 18:42:21,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:42:21,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:42:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:42:24,546 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 256 proven. 234 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-09-23 18:42:24,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:42:24,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753658986] [2024-09-23 18:42:24,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753658986] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:42:24,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033612824] [2024-09-23 18:42:24,547 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-23 18:42:24,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:42:24,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:42:24,550 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:42:24,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-09-23 18:42:49,618 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2024-09-23 18:42:49,618 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:42:49,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 3195 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-09-23 18:42:49,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:42:50,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-09-23 18:42:50,604 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 74 proven. 394 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-09-23 18:42:50,604 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:42:50,884 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-09-23 18:42:50,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-09-23 18:42:50,945 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 68 proven. 310 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2024-09-23 18:42:50,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033612824] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:42:50,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:42:50,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 28, 12] total 69 [2024-09-23 18:42:50,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873691894] [2024-09-23 18:42:50,946 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:42:50,946 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-09-23 18:42:50,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:42:50,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-09-23 18:42:50,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=391, Invalid=4439, Unknown=0, NotChecked=0, Total=4830 [2024-09-23 18:42:50,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:42:50,948 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:42:50,948 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 4.314285714285714) internal successors, (302), 69 states have internal predecessors, (302), 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) [2024-09-23 18:42:50,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:42:50,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:42:50,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:42:50,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:42:50,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:42:50,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:42:50,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:42:50,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:42:50,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:42:50,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:42:50,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:42:50,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:42:50,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:42:50,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:42:50,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:42:50,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:42:50,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:42:50,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:42:55,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:42:55,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:42:55,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:42:55,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:42:55,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:42:55,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:42:55,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:42:55,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:42:55,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:42:55,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:42:55,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:42:55,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:42:55,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:42:55,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:42:55,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:42:55,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:42:55,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:42:55,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:42:55,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-09-23 18:42:55,396 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:42:55,397 INFO L399 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:42:55,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:42:55,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1182335476, now seen corresponding path program 13 times [2024-09-23 18:42:55,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:42:55,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206206857] [2024-09-23 18:42:55,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:42:55,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:42:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:42:57,304 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 417 proven. 263 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-09-23 18:42:57,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:42:57,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206206857] [2024-09-23 18:42:57,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206206857] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:42:57,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971312792] [2024-09-23 18:42:57,305 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-23 18:42:57,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:42:57,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:42:57,306 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:42:57,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-09-23 18:42:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:42:57,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 3715 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-09-23 18:42:57,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:42:58,790 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 575 proven. 105 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-09-23 18:42:58,790 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:42:59,838 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 445 proven. 235 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-09-23 18:42:59,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971312792] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:42:59,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:42:59,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 31] total 90 [2024-09-23 18:42:59,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056952854] [2024-09-23 18:42:59,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:42:59,839 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-09-23 18:42:59,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:42:59,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-09-23 18:42:59,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1667, Invalid=6523, Unknown=0, NotChecked=0, Total=8190 [2024-09-23 18:42:59,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:42:59,843 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:42:59,844 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 4.417582417582418) internal successors, (402), 90 states have internal predecessors, (402), 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) [2024-09-23 18:42:59,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:42:59,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:42:59,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:42:59,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:42:59,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:42:59,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:42:59,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:42:59,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:42:59,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:42:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:42:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:42:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:42:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:42:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:42:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:42:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:42:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:42:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:42:59,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:43:00,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:43:00,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:43:00,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:43:00,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:43:00,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:43:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:43:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:43:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:43:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:43:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:43:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:43:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:43:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:43:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:43:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:43:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:43:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:43:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:43:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:43:00,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-09-23 18:43:00,593 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-09-23 18:43:00,593 INFO L399 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:43:00,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:43:00,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1318371470, now seen corresponding path program 14 times [2024-09-23 18:43:00,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:43:00,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141744020] [2024-09-23 18:43:00,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:43:00,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:43:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:43:02,564 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 417 proven. 278 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-09-23 18:43:02,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:43:02,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141744020] [2024-09-23 18:43:02,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141744020] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:43:02,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260634575] [2024-09-23 18:43:02,565 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 18:43:02,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:43:02,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:43:02,567 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:43:02,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-09-23 18:43:03,018 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-23 18:43:03,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:43:03,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 3724 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-09-23 18:43:03,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:43:04,193 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 518 proven. 177 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-09-23 18:43:04,193 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:43:05,521 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 547 proven. 148 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-09-23 18:43:05,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260634575] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:43:05,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:43:05,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 34, 34] total 99 [2024-09-23 18:43:05,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328691710] [2024-09-23 18:43:05,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:43:05,522 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-09-23 18:43:05,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:43:05,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-09-23 18:43:05,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2477, Invalid=7423, Unknown=0, NotChecked=0, Total=9900 [2024-09-23 18:43:05,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:43:05,525 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:43:05,526 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 4.32) internal successors, (432), 99 states have internal predecessors, (432), 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) [2024-09-23 18:43:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:43:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:43:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:43:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:43:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:43:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:43:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:43:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:43:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:43:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:43:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:43:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:43:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:43:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:43:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:43:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:43:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:43:05,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:43:05,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:43:05,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:43:06,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:43:06,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:43:06,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:43:06,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:43:06,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:43:06,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:43:06,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:43:06,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:43:06,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:43:06,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:43:06,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:43:06,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:43:06,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:43:06,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:43:06,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:43:06,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:43:06,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:43:06,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:43:06,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:43:06,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:43:06,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-09-23 18:43:06,682 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,31 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:43:06,682 INFO L399 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:43:06,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:43:06,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1240519988, now seen corresponding path program 15 times [2024-09-23 18:43:06,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:43:06,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825457989] [2024-09-23 18:43:06,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:43:06,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:43:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:43:10,792 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 103 proven. 615 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-09-23 18:43:10,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:43:10,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825457989] [2024-09-23 18:43:10,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825457989] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:43:10,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830772002] [2024-09-23 18:43:10,792 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-23 18:43:10,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:43:10,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:43:10,795 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:43:10,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-09-23 18:43:26,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-09-23 18:43:26,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:43:26,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 3487 conjuncts, 118 conjuncts are in the unsatisfiable core [2024-09-23 18:43:26,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:43:29,639 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-23 18:43:29,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 89 treesize of output 93 [2024-09-23 18:43:29,665 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-09-23 18:43:29,676 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-09-23 18:43:29,901 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 91 proven. 661 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-09-23 18:43:29,901 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:43:32,072 INFO L349 Elim1Store]: treesize reduction 35, result has 49.3 percent of original size [2024-09-23 18:43:32,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 104 treesize of output 66 [2024-09-23 18:43:32,076 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-09-23 18:43:33,530 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 70 proven. 607 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-09-23 18:43:33,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830772002] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:43:33,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:43:33,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 46, 36] total 122 [2024-09-23 18:43:33,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544168765] [2024-09-23 18:43:33,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:43:33,531 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 123 states [2024-09-23 18:43:33,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:43:33,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2024-09-23 18:43:33,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1700, Invalid=13306, Unknown=0, NotChecked=0, Total=15006 [2024-09-23 18:43:33,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:43:33,535 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:43:33,536 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 123 states, 123 states have (on average 3.5609756097560976) internal successors, (438), 122 states have internal predecessors, (438), 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) [2024-09-23 18:43:33,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:43:33,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:43:33,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:43:33,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:43:33,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:43:33,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:43:33,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:43:33,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:43:33,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:43:33,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:43:33,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:43:33,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:43:33,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:43:33,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:43:33,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:43:33,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:43:33,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:43:33,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:43:33,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:43:33,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:43:33,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:43:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:43:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:43:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:43:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:43:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:43:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:43:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:43:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:43:38,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:43:38,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:43:38,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:43:38,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:43:38,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:43:38,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:43:38,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:43:38,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:43:38,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:43:38,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:43:38,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:43:38,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:43:38,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:43:38,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-09-23 18:43:38,802 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,32 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:43:38,802 INFO L399 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:43:38,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:43:38,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1172875954, now seen corresponding path program 16 times [2024-09-23 18:43:38,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:43:38,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893881115] [2024-09-23 18:43:38,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:43:38,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:43:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:43:44,111 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 95 proven. 640 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-09-23 18:43:44,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:43:44,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893881115] [2024-09-23 18:43:44,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893881115] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:43:44,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70054887] [2024-09-23 18:43:44,112 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-23 18:43:44,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:43:44,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:43:44,113 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:43:44,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-09-23 18:43:44,664 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-23 18:43:44,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:43:44,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 3742 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-09-23 18:43:44,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:43:46,160 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 84 proven. 624 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-09-23 18:43:46,160 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:43:46,591 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-09-23 18:43:46,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2024-09-23 18:43:46,661 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 84 proven. 474 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-09-23 18:43:46,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70054887] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:43:46,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:43:46,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 33, 14] total 82 [2024-09-23 18:43:46,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822711230] [2024-09-23 18:43:46,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:43:46,663 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2024-09-23 18:43:46,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:43:46,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2024-09-23 18:43:46,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=389, Invalid=6417, Unknown=0, NotChecked=0, Total=6806 [2024-09-23 18:43:46,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:43:46,666 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:43:46,666 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 4.253012048192771) internal successors, (353), 82 states have internal predecessors, (353), 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) [2024-09-23 18:43:46,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:43:46,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:43:46,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:43:46,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:43:46,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:43:46,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:43:46,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:43:46,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:43:46,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:43:46,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:43:46,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:43:46,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:43:46,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:43:46,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:43:46,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:43:46,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:43:46,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:43:46,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:43:46,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:43:46,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:43:46,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:43:46,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:43:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:43:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:43:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:43:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:43:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:43:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:43:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:43:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:43:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:43:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:43:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:43:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:43:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:43:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:43:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:43:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:43:54,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:43:54,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:43:54,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:43:54,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:43:54,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:43:54,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-09-23 18:43:54,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-09-23 18:43:54,829 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-09-23 18:43:54,829 INFO L399 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:43:54,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:43:54,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1508516804, now seen corresponding path program 17 times [2024-09-23 18:43:54,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:43:54,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996423328] [2024-09-23 18:43:54,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:43:54,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:43:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:43:57,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 607 proven. 358 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-09-23 18:43:57,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:43:57,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996423328] [2024-09-23 18:43:57,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996423328] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:43:57,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567346709] [2024-09-23 18:43:57,290 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-23 18:43:57,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:43:57,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:43:57,291 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:43:57,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-09-23 18:44:10,477 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-09-23 18:44:10,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:44:10,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 4262 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-09-23 18:44:10,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:44:11,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 726 proven. 239 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-09-23 18:44:11,979 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:44:13,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 760 proven. 205 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-09-23 18:44:13,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567346709] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:44:13,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:44:13,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 40, 40] total 117 [2024-09-23 18:44:13,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991982532] [2024-09-23 18:44:13,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:44:13,707 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 118 states [2024-09-23 18:44:13,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:44:13,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2024-09-23 18:44:13,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3452, Invalid=10354, Unknown=0, NotChecked=0, Total=13806 [2024-09-23 18:44:13,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:44:13,709 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:44:13,710 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 118 states, 118 states have (on average 4.194915254237288) internal successors, (495), 117 states have internal predecessors, (495), 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) [2024-09-23 18:44:13,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:44:13,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:44:13,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:44:13,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:44:13,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:44:13,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:44:13,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:44:13,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:44:13,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:44:13,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:44:13,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:44:13,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:44:13,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:44:13,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:44:13,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:44:13,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:44:13,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:44:13,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:44:13,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:44:13,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:44:13,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:44:13,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-09-23 18:44:13,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:44:14,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:44:14,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:44:14,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:44:14,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:44:14,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:44:14,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:44:14,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:44:14,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:44:14,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:44:14,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:44:14,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:44:14,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:44:14,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:44:14,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:44:14,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:44:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:44:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:44:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:44:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:44:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:44:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:44:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-09-23 18:44:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-09-23 18:44:14,989 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-09-23 18:44:15,165 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,34 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:44:15,165 INFO L399 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:44:15,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:44:15,166 INFO L85 PathProgramCache]: Analyzing trace with hash 549833634, now seen corresponding path program 18 times [2024-09-23 18:44:15,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:44:15,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820106746] [2024-09-23 18:44:15,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:44:15,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:44:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:44:20,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 98 proven. 893 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-09-23 18:44:20,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:44:20,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820106746] [2024-09-23 18:44:20,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820106746] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:44:20,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753115706] [2024-09-23 18:44:20,286 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-23 18:44:20,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:44:20,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:44:20,287 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:44:20,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-09-23 18:45:58,211 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2024-09-23 18:45:58,212 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:45:58,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 4271 conjuncts, 123 conjuncts are in the unsatisfiable core [2024-09-23 18:45:58,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:46:01,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-09-23 18:46:01,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 109 proven. 881 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-09-23 18:46:01,675 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:46:03,095 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-09-23 18:46:03,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-09-23 18:46:05,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 13 proven. 978 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-09-23 18:46:05,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753115706] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:46:05,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:46:05,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 48, 50] total 146 [2024-09-23 18:46:05,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413766598] [2024-09-23 18:46:05,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:46:05,512 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 147 states [2024-09-23 18:46:05,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:46:05,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2024-09-23 18:46:05,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3225, Invalid=18237, Unknown=0, NotChecked=0, Total=21462 [2024-09-23 18:46:05,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:46:05,516 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:46:05,516 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 147 states, 147 states have (on average 3.5306122448979593) internal successors, (519), 146 states have internal predecessors, (519), 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) [2024-09-23 18:46:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:46:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:46:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:46:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:46:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:46:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:46:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:46:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:46:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:46:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:46:05,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:46:05,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:46:05,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:46:05,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:46:05,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:46:05,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:46:05,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:46:05,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:46:05,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:46:05,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:46:05,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:46:05,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-09-23 18:46:05,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-09-23 18:46:05,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:46:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:46:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:46:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:46:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:46:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:46:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:46:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:46:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:46:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:46:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:46:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:46:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:46:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:46:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:46:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:46:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:46:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:46:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:46:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:46:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:46:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:46:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-09-23 18:46:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-09-23 18:46:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-09-23 18:46:17,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-09-23 18:46:17,806 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-09-23 18:46:17,807 INFO L399 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:46:17,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:46:17,807 INFO L85 PathProgramCache]: Analyzing trace with hash -87536334, now seen corresponding path program 19 times [2024-09-23 18:46:17,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:46:17,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884474109] [2024-09-23 18:46:17,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:46:17,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:46:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:46:25,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 52 proven. 907 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-09-23 18:46:25,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:46:25,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884474109] [2024-09-23 18:46:25,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884474109] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:46:25,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234973009] [2024-09-23 18:46:25,488 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-23 18:46:25,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:46:25,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:46:25,489 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:46:25,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-09-23 18:46:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:46:26,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 4198 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-09-23 18:46:26,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:46:28,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 49 proven. 884 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-09-23 18:46:28,300 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:46:28,893 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-09-23 18:46:28,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2024-09-23 18:46:28,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 49 proven. 671 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2024-09-23 18:46:28,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234973009] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:46:28,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:46:28,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 39, 16] total 97 [2024-09-23 18:46:28,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118372530] [2024-09-23 18:46:28,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:46:28,984 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2024-09-23 18:46:28,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:46:28,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2024-09-23 18:46:28,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=452, Invalid=9054, Unknown=0, NotChecked=0, Total=9506 [2024-09-23 18:46:28,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:46:28,985 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:46:28,986 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 4.091836734693878) internal successors, (401), 97 states have internal predecessors, (401), 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) [2024-09-23 18:46:28,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:46:28,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:46:28,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:46:28,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:46:28,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:46:28,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:46:28,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:46:28,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:46:28,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:46:28,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:46:28,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:46:28,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:46:28,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:46:28,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:46:28,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:46:28,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:46:28,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:46:28,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:46:28,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:46:28,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:46:28,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:46:28,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-09-23 18:46:28,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-09-23 18:46:28,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-09-23 18:46:28,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:46:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:46:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:46:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:46:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:46:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:46:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:46:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:46:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:46:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:46:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:46:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:46:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:46:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:46:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:46:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:46:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:46:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:46:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:46:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:46:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:46:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:46:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-09-23 18:46:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-09-23 18:46:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-09-23 18:46:39,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-09-23 18:46:39,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-09-23 18:46:39,765 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-09-23 18:46:39,765 INFO L399 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:46:39,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:46:39,766 INFO L85 PathProgramCache]: Analyzing trace with hash 703012913, now seen corresponding path program 20 times [2024-09-23 18:46:39,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:46:39,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761329985] [2024-09-23 18:46:39,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:46:39,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:46:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:46:43,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 833 proven. 447 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-09-23 18:46:43,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:46:43,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761329985] [2024-09-23 18:46:43,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761329985] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:46:43,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198234490] [2024-09-23 18:46:43,051 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 18:46:43,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:46:43,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:46:43,052 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:46:43,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-09-23 18:46:43,692 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-23 18:46:43,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:46:43,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 4809 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-09-23 18:46:43,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:46:45,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 970 proven. 310 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-09-23 18:46:45,452 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:46:47,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 1009 proven. 271 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-09-23 18:46:47,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198234490] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:46:47,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:46:47,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 46, 46] total 135 [2024-09-23 18:46:47,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138965561] [2024-09-23 18:46:47,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:46:47,578 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2024-09-23 18:46:47,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:46:47,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2024-09-23 18:46:47,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4589, Invalid=13771, Unknown=0, NotChecked=0, Total=18360 [2024-09-23 18:46:47,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:46:47,582 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:46:47,582 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 4.102941176470588) internal successors, (558), 135 states have internal predecessors, (558), 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) [2024-09-23 18:46:47,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:46:47,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:46:47,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:46:47,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:46:47,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:46:47,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:46:47,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:46:47,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:46:47,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:46:47,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:46:47,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:46:47,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:46:47,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:46:47,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:46:47,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:46:47,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:46:47,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:46:47,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:46:47,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:46:47,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:46:47,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:46:47,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-09-23 18:46:47,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-09-23 18:46:47,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-09-23 18:46:47,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-09-23 18:46:47,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:46:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:46:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:46:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:46:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:46:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:46:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:46:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:46:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:46:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:46:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:46:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:46:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:46:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:46:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:46:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:46:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:46:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:46:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:46:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:46:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:46:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:46:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-09-23 18:46:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-09-23 18:46:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-09-23 18:46:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-09-23 18:46:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-09-23 18:46:49,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-09-23 18:46:49,393 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-09-23 18:46:49,393 INFO L399 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:46:49,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:46:49,393 INFO L85 PathProgramCache]: Analyzing trace with hash 179879319, now seen corresponding path program 21 times [2024-09-23 18:46:49,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:46:49,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934431044] [2024-09-23 18:46:49,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:46:49,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:46:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:46:55,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1462 backedges. 695 proven. 614 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-09-23 18:46:55,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:46:55,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934431044] [2024-09-23 18:46:55,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934431044] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:46:55,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777120842] [2024-09-23 18:46:55,236 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-23 18:46:55,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:46:55,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:46:55,237 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:46:55,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-09-23 18:49:07,376 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2024-09-23 18:49:07,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:49:07,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 4408 conjuncts, 167 conjuncts are in the unsatisfiable core [2024-09-23 18:49:07,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:49:12,678 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-23 18:49:12,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 133 treesize of output 145 [2024-09-23 18:49:12,718 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-09-23 18:49:12,781 WARN L672 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-09-23 18:49:12,813 WARN L672 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-09-23 18:49:12,858 WARN L672 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-09-23 18:49:12,960 WARN L672 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-09-23 18:49:12,974 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-09-23 18:49:13,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1462 backedges. 186 proven. 1198 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-09-23 18:49:13,185 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:49:17,118 INFO L349 Elim1Store]: treesize reduction 55, result has 49.5 percent of original size [2024-09-23 18:49:17,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 156 treesize of output 102 [2024-09-23 18:49:17,122 WARN L672 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-09-23 18:49:19,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1462 backedges. 115 proven. 1269 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-09-23 18:49:19,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777120842] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:49:19,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:49:19,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 66, 48] total 167 [2024-09-23 18:49:19,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784099178] [2024-09-23 18:49:19,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:49:19,184 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 168 states [2024-09-23 18:49:19,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:49:19,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2024-09-23 18:49:19,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3467, Invalid=24589, Unknown=0, NotChecked=0, Total=28056 [2024-09-23 18:49:19,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:49:19,188 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:49:19,188 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 168 states, 168 states have (on average 3.4166666666666665) internal successors, (574), 167 states have internal predecessors, (574), 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) [2024-09-23 18:49:19,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:49:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:49:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:49:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:49:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:49:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:49:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:49:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:49:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:49:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:49:19,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:49:19,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:49:19,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:49:19,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:49:19,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:49:19,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:49:19,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:49:19,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:49:19,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:49:19,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:49:19,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:49:19,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-09-23 18:49:19,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-09-23 18:49:19,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-09-23 18:49:19,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-09-23 18:49:19,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-09-23 18:49:19,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:49:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:49:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:49:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:49:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:49:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:49:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:49:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:49:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:49:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:49:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:49:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:49:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:49:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:49:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:49:24,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:49:24,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:49:24,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:49:24,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:49:24,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:49:24,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:49:24,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:49:24,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-09-23 18:49:24,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-09-23 18:49:24,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-09-23 18:49:24,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-09-23 18:49:24,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-09-23 18:49:24,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-09-23 18:49:24,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-09-23 18:49:24,264 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-09-23 18:49:24,264 INFO L399 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:49:24,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:49:24,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1142607089, now seen corresponding path program 22 times [2024-09-23 18:49:24,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:49:24,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242756297] [2024-09-23 18:49:24,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:49:24,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:49:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:49:32,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 142 proven. 1190 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-09-23 18:49:32,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:49:32,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242756297] [2024-09-23 18:49:32,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242756297] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:49:32,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616561415] [2024-09-23 18:49:32,443 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-23 18:49:32,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:49:32,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:49:32,445 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:49:32,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-09-23 18:49:33,154 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-23 18:49:33,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:49:33,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 4827 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-09-23 18:49:33,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:49:35,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 116 proven. 1159 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-09-23 18:49:35,227 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:49:35,889 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-09-23 18:49:35,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2024-09-23 18:49:35,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 116 proven. 901 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-09-23 18:49:35,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616561415] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:49:35,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:49:35,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 37, 18] total 102 [2024-09-23 18:49:35,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659347165] [2024-09-23 18:49:35,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:49:35,974 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2024-09-23 18:49:35,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:49:35,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2024-09-23 18:49:35,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=571, Invalid=9935, Unknown=0, NotChecked=0, Total=10506 [2024-09-23 18:49:35,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:49:35,976 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:49:35,976 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 4.427184466019417) internal successors, (456), 102 states have internal predecessors, (456), 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) [2024-09-23 18:49:35,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:49:35,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:49:35,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:49:35,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:49:35,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:49:35,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:49:35,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:49:35,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:49:35,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:49:35,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:49:35,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:49:35,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:49:35,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:49:35,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:49:35,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:49:35,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:49:35,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:49:35,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:49:35,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:49:35,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:49:35,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:49:35,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-09-23 18:49:35,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-09-23 18:49:35,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-09-23 18:49:35,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-09-23 18:49:35,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-09-23 18:49:35,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-09-23 18:49:35,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:49:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:49:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:49:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:49:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:49:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:49:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:49:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:49:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:49:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:49:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:49:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:49:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:49:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:49:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:49:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:49:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:49:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:49:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:49:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:49:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:49:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:49:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-09-23 18:49:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-09-23 18:49:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-09-23 18:49:46,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-09-23 18:49:46,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-09-23 18:49:46,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-09-23 18:49:46,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-09-23 18:49:46,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-09-23 18:49:46,889 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-09-23 18:49:46,889 INFO L399 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:49:46,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:49:46,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1812252303, now seen corresponding path program 23 times [2024-09-23 18:49:46,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:49:46,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292626604] [2024-09-23 18:49:46,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:49:46,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:49:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:49:54,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 135 proven. 1442 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-09-23 18:49:54,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:49:54,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292626604] [2024-09-23 18:49:54,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292626604] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:49:54,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702606607] [2024-09-23 18:49:54,978 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-23 18:49:54,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:49:54,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:49:54,979 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:49:54,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-09-23 18:50:47,442 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2024-09-23 18:50:47,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 18:50:47,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 5247 conjuncts, 121 conjuncts are in the unsatisfiable core [2024-09-23 18:50:47,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 18:50:50,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 128 proven. 1425 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-09-23 18:50:50,951 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 18:50:51,868 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-09-23 18:50:51,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-09-23 18:50:51,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 128 proven. 1110 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2024-09-23 18:50:51,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702606607] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 18:50:51,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 18:50:51,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 53, 20] total 124 [2024-09-23 18:50:51,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487271931] [2024-09-23 18:50:51,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 18:50:51,982 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2024-09-23 18:50:51,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 18:50:51,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2024-09-23 18:50:51,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=616, Invalid=14884, Unknown=0, NotChecked=0, Total=15500 [2024-09-23 18:50:51,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:50:51,985 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 18:50:51,985 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 125 states have (on average 4.072) internal successors, (509), 124 states have internal predecessors, (509), 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) [2024-09-23 18:50:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:50:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:50:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:50:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:50:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:50:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:50:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:50:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:50:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:50:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:50:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:50:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:50:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:50:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:50:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:50:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:50:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:50:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:50:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:50:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:50:51,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:50:51,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-09-23 18:50:51,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-09-23 18:50:51,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-09-23 18:50:51,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-09-23 18:50:51,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-09-23 18:50:51,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-09-23 18:50:51,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-09-23 18:50:51,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 18:51:08,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:51:08,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 18:51:08,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:51:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:51:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 18:51:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-23 18:51:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 18:51:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-23 18:51:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 18:51:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-23 18:51:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-23 18:51:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 18:51:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:51:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-23 18:51:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-23 18:51:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-09-23 18:51:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-23 18:51:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-23 18:51:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-23 18:51:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:51:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-23 18:51:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-09-23 18:51:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-09-23 18:51:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-09-23 18:51:08,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-09-23 18:51:08,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-09-23 18:51:08,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-09-23 18:51:08,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-09-23 18:51:08,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-09-23 18:51:08,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-09-23 18:51:08,446 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-09-23 18:51:08,446 INFO L399 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 18:51:08,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 18:51:08,447 INFO L85 PathProgramCache]: Analyzing trace with hash 520478884, now seen corresponding path program 24 times [2024-09-23 18:51:08,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 18:51:08,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926798054] [2024-09-23 18:51:08,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 18:51:08,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 18:51:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 18:51:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2173 backedges. 1320 proven. 593 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-09-23 18:51:12,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 18:51:12,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926798054] [2024-09-23 18:51:12,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926798054] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 18:51:12,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216922347] [2024-09-23 18:51:12,929 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-23 18:51:12,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 18:51:12,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 18:51:12,931 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 18:51:12,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process Killed by 15