./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-more-queue-add-3-nl.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-more-queue-add-3-nl.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-07 21:25:26,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-07 21:25:26,694 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-07 21:25:26,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-07 21:25:26,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-07 21:25:26,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-07 21:25:26,745 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-07 21:25:26,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-07 21:25:26,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-07 21:25:26,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-07 21:25:26,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-07 21:25:26,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-07 21:25:26,749 INFO L153 SettingsManager]: * Use SBE=true [2024-09-07 21:25:26,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-07 21:25:26,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-07 21:25:26,753 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-07 21:25:26,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-07 21:25:26,753 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-07 21:25:26,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-07 21:25:26,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-07 21:25:26,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-07 21:25:26,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-07 21:25:26,755 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-07 21:25:26,755 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-07 21:25:26,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-07 21:25:26,755 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-07 21:25:26,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-07 21:25:26,756 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-07 21:25:26,757 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-07 21:25:26,757 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-07 21:25:26,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:25:26,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-07 21:25:26,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-07 21:25:26,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-07 21:25:26,758 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-07 21:25:26,759 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-07 21:25:26,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-07 21:25:26,759 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-07 21:25:26,759 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-07 21:25:26,759 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-07 21:25:26,760 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-07 21:25:26,760 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-07 21:25:27,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-07 21:25:27,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-07 21:25:27,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-07 21:25:27,064 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-07 21:25:27,065 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-07 21:25:27,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-more-queue-add-3-nl.wvr.yml/witness.yml [2024-09-07 21:25:27,149 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-07 21:25:27,149 INFO L274 PluginConnector]: CDTParser initialized [2024-09-07 21:25:27,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c [2024-09-07 21:25:28,632 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-07 21:25:28,820 INFO L384 CDTParser]: Found 1 translation units. [2024-09-07 21:25:28,821 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c [2024-09-07 21:25:28,829 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/eeebc0bfb/082aad9466eb4e3f86cb18213ecc4d09/FLAG790ea6e3d [2024-09-07 21:25:28,841 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/eeebc0bfb/082aad9466eb4e3f86cb18213ecc4d09 [2024-09-07 21:25:28,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-07 21:25:28,842 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-07 21:25:28,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-07 21:25:28,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-07 21:25:28,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-07 21:25:28,850 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:25:27" (1/2) ... [2024-09-07 21:25:28,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d3d6c0a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:25:28, skipping insertion in model container [2024-09-07 21:25:28,851 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:25:27" (1/2) ... [2024-09-07 21:25:28,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22b1bcf2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:25:28, skipping insertion in model container [2024-09-07 21:25:28,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:25:28" (2/2) ... [2024-09-07 21:25:28,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d3d6c0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:25:28, skipping insertion in model container [2024-09-07 21:25:28,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:25:28" (2/2) ... [2024-09-07 21:25:28,876 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-07 21:25:28,876 INFO L1541 ArrayList]: Location invariant before [L128-L128] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )n2) + (long long )q2_front >= 0LL && (2147483648LL + (long long )n2) + (long long )q2_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 )n2 >= 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 )q2_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_back >= 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) && (4294967295LL - (long long )C) + (long long )n2 >= 0LL) && (4294967295LL - (long long )C) + (long long )N >= 0LL) && (long long )N + (long long )n2 >= 0LL) && (long long )C + (long long )n2 >= 0LL) && (long long )C + (long long )N >= 0LL) && (1073741823LL + (long long )N) - (long long )n1 >= 0LL) && (1073741823LL + (long long )N) - (long long )n2 >= 0LL) && (1073741823LL + (long long )C) - (long long )n1 >= 0LL) && (1073741823LL + (long long )C) - (long long )n2 >= 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_back >= 0LL) && (2147483647LL + (long long )N) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )N) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )C) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )C) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )C) - (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_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_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_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_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_back >= 0LL) && (5368709118LL - (long long )C) - (long long )n1 >= 0LL) && (5368709118LL - (long long )C) - (long long )n2 >= 0LL) && (6442450942LL - (long long )C) - (long long )q1_back >= 0LL) && (6442450942LL - (long long )C) - (long long )q2_front >= 0LL) && (6442450942LL - (long long )C) - (long long )q2_back >= 0LL)) && (! multithreaded || 0 <= N)) && (! multithreaded || 0 <= N) [2024-09-07 21:25:28,877 INFO L1541 ArrayList]: Location invariant before [L129-L129] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )n2) + (long long )q2_front >= 0LL && (2147483648LL + (long long )n2) + (long long )q2_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 )n2 >= 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 )q2_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_back >= 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) && (4294967295LL - (long long )C) + (long long )n2 >= 0LL) && (4294967295LL - (long long )C) + (long long )N >= 0LL) && (long long )N + (long long )n2 >= 0LL) && (long long )C + (long long )n2 >= 0LL) && (long long )C + (long long )N >= 0LL) && (1073741823LL + (long long )N) - (long long )n1 >= 0LL) && (1073741823LL + (long long )N) - (long long )n2 >= 0LL) && (1073741823LL + (long long )C) - (long long )n1 >= 0LL) && (1073741823LL + (long long )C) - (long long )n2 >= 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_back >= 0LL) && (2147483647LL + (long long )N) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )N) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )C) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )C) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )C) - (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_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_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_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_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_back >= 0LL) && (5368709118LL - (long long )C) - (long long )n1 >= 0LL) && (5368709118LL - (long long )C) - (long long )n2 >= 0LL) && (6442450942LL - (long long )C) - (long long )q1_back >= 0LL) && (6442450942LL - (long long )C) - (long long )q2_front >= 0LL) && (6442450942LL - (long long )C) - (long long )q2_back >= 0LL)) && (! multithreaded || 0 <= N)) && (! multithreaded || 0 <= N) [2024-09-07 21:25:28,877 INFO L1541 ArrayList]: Location invariant before [L130-L130] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )n2) + (long long )q2_front >= 0LL && (2147483648LL + (long long )n2) + (long long )q2_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 )n2 >= 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 )q2_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_back >= 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) && (4294967295LL - (long long )C) + (long long )n2 >= 0LL) && (4294967295LL - (long long )C) + (long long )N >= 0LL) && (long long )N + (long long )n2 >= 0LL) && (long long )C + (long long )n2 >= 0LL) && (long long )C + (long long )N >= 0LL) && (1073741823LL + (long long )N) - (long long )n1 >= 0LL) && (1073741823LL + (long long )N) - (long long )n2 >= 0LL) && (1073741823LL + (long long )C) - (long long )n1 >= 0LL) && (1073741823LL + (long long )C) - (long long )n2 >= 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_back >= 0LL) && (2147483647LL + (long long )N) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )N) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )C) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )C) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )C) - (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_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_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_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_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_back >= 0LL) && (5368709118LL - (long long )C) - (long long )n1 >= 0LL) && (5368709118LL - (long long )C) - (long long )n2 >= 0LL) && (6442450942LL - (long long )C) - (long long )q1_back >= 0LL) && (6442450942LL - (long long )C) - (long long )q2_front >= 0LL) && (6442450942LL - (long long )C) - (long long )q2_back >= 0LL)) && (! multithreaded || 0 <= N)) && (! multithreaded || 0 <= N) [2024-09-07 21:25:28,877 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-07 21:25:28,877 INFO L1541 ArrayList]: ghost_update [L127-L127] multithreaded = 1; [2024-09-07 21:25:28,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-07 21:25:29,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:25:29,109 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-07 21:25:29,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:25:29,242 INFO L204 MainTranslator]: Completed translation [2024-09-07 21:25:29,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:25:29 WrapperNode [2024-09-07 21:25:29,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-07 21:25:29,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-07 21:25:29,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-07 21:25:29,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-07 21:25:29,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:25:29" (1/1) ... [2024-09-07 21:25:29,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:25:29" (1/1) ... [2024-09-07 21:25:29,327 INFO L138 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 263 [2024-09-07 21:25:29,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-07 21:25:29,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-07 21:25:29,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-07 21:25:29,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-07 21:25:29,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:25:29" (1/1) ... [2024-09-07 21:25:29,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:25:29" (1/1) ... [2024-09-07 21:25:29,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:25:29" (1/1) ... [2024-09-07 21:25:29,345 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:25:29" (1/1) ... [2024-09-07 21:25:29,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:25:29" (1/1) ... [2024-09-07 21:25:29,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:25:29" (1/1) ... [2024-09-07 21:25:29,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:25:29" (1/1) ... [2024-09-07 21:25:29,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:25:29" (1/1) ... [2024-09-07 21:25:29,370 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-07 21:25:29,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-07 21:25:29,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-07 21:25:29,372 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-07 21:25:29,372 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:25:29" (1/1) ... [2024-09-07 21:25:29,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:25:29,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:25:29,424 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) [2024-09-07 21:25:29,426 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 [2024-09-07 21:25:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-07 21:25:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-07 21:25:29,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-07 21:25:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-07 21:25:29,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-07 21:25:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-07 21:25:29,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-07 21:25:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-07 21:25:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-07 21:25:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-07 21:25:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-07 21:25:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-07 21:25:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-07 21:25:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-07 21:25:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-07 21:25:29,518 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-07 21:25:29,680 INFO L242 CfgBuilder]: Building ICFG [2024-09-07 21:25:29,683 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-07 21:25:30,237 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-07 21:25:30,237 INFO L291 CfgBuilder]: Performing block encoding [2024-09-07 21:25:30,559 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-07 21:25:30,560 INFO L318 CfgBuilder]: Removed 5 assume(true) statements. [2024-09-07 21:25:30,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:25:30 BoogieIcfgContainer [2024-09-07 21:25:30,560 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-07 21:25:30,562 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-07 21:25:30,563 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-07 21:25:30,566 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-07 21:25:30,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:25:27" (1/4) ... [2024-09-07 21:25:30,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69f08833 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.09 09:25:30, skipping insertion in model container [2024-09-07 21:25:30,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 09:25:28" (2/4) ... [2024-09-07 21:25:30,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69f08833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:25:30, skipping insertion in model container [2024-09-07 21:25:30,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:25:29" (3/4) ... [2024-09-07 21:25:30,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69f08833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:25:30, skipping insertion in model container [2024-09-07 21:25:30,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:25:30" (4/4) ... [2024-09-07 21:25:30,570 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-3-nl.wvr.c [2024-09-07 21:25:30,590 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-07 21:25:30,590 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-09-07 21:25:30,590 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-07 21:25:30,644 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-09-07 21:25:30,685 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:25:30,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-07 21:25:30,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:25:30,687 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) [2024-09-07 21:25:30,688 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 [2024-09-07 21:25:30,716 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-07 21:25:30,734 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-07 21:25:30,741 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;@3e7af803, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:25:30,741 INFO L337 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-09-07 21:25:30,940 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:25:30,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:25:30,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1738550940, now seen corresponding path program 1 times [2024-09-07 21:25:30,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:25:30,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586202024] [2024-09-07 21:25:30,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:25:30,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:25:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:25:32,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:25:32,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:25:32,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586202024] [2024-09-07 21:25:32,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586202024] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:25:32,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:25:32,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-07 21:25:32,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612245422] [2024-09-07 21:25:32,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:25:32,479 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-07 21:25:32,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:25:32,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-07 21:25:32,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-07 21:25:32,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:25:32,506 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:25:32,507 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 21:25:32,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:25:32,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:25:32,629 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-07 21:25:32,629 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:25:32,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:25:32,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1730664681, now seen corresponding path program 1 times [2024-09-07 21:25:32,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:25:32,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828152338] [2024-09-07 21:25:32,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:25:32,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:25:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:25:33,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:25:33,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:25:33,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828152338] [2024-09-07 21:25:33,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828152338] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:25:33,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327497604] [2024-09-07 21:25:33,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:25:33,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:25:33,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:25:33,474 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) [2024-09-07 21:25:33,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-07 21:25:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:25:33,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-09-07 21:25:33,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:25:33,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:25:33,886 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-07 21:25:35,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:25:35,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327497604] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-07 21:25:35,119 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-07 21:25:35,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 11 [2024-09-07 21:25:35,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81453849] [2024-09-07 21:25:35,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-07 21:25:35,121 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-07 21:25:35,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:25:35,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-07 21:25:35,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-09-07 21:25:35,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:25:35,123 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:25:35,123 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 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) [2024-09-07 21:25:35,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:25:35,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:25:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:25:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:25:35,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-07 21:25:35,596 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 [2024-09-07 21:25:35,597 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:25:35,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:25:35,598 INFO L85 PathProgramCache]: Analyzing trace with hash 513877540, now seen corresponding path program 2 times [2024-09-07 21:25:35,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:25:35,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654995495] [2024-09-07 21:25:35,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:25:35,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:25:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:25:36,594 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:25:36,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:25:36,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654995495] [2024-09-07 21:25:36,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654995495] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:25:36,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621887260] [2024-09-07 21:25:36,594 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-07 21:25:36,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:25:36,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:25:36,596 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) [2024-09-07 21:25:36,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-07 21:25:36,684 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-07 21:25:36,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-07 21:25:36,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-09-07 21:25:36,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:25:37,004 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-07 21:25:37,004 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-07 21:25:37,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621887260] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:25:37,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-07 21:25:37,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 10 [2024-09-07 21:25:37,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922897352] [2024-09-07 21:25:37,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:25:37,006 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-07 21:25:37,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:25:37,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-07 21:25:37,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-09-07 21:25:37,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:25:37,007 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:25:37,007 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-09-07 21:25:37,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:25:37,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:25:37,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:25:37,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:25:37,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:25:37,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:25:37,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-07 21:25:37,252 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 [2024-09-07 21:25:37,252 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:25:37,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:25:37,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1150148825, now seen corresponding path program 1 times [2024-09-07 21:25:37,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:25:37,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614512433] [2024-09-07 21:25:37,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:25:37,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:25:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:25:38,286 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:25:38,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:25:38,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614512433] [2024-09-07 21:25:38,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614512433] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:25:38,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2147187149] [2024-09-07 21:25:38,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:25:38,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:25:38,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:25:38,290 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) [2024-09-07 21:25:38,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-07 21:25:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:25:38,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-09-07 21:25:38,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:25:38,722 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:25:38,723 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-07 21:25:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:25:40,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2147187149] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-07 21:25:40,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-07 21:25:40,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-09-07 21:25:40,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750171361] [2024-09-07 21:25:40,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-07 21:25:40,436 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-09-07 21:25:40,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:25:40,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-09-07 21:25:40,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=377, Unknown=0, NotChecked=0, Total=552 [2024-09-07 21:25:40,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:25:40,439 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:25:40,439 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 23 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) [2024-09-07 21:25:40,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:25:40,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:25:40,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:25:40,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:25:41,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:25:41,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:25:41,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:25:41,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:25:41,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-07 21:25:41,294 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 [2024-09-07 21:25:41,295 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:25:41,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:25:41,295 INFO L85 PathProgramCache]: Analyzing trace with hash 735050169, now seen corresponding path program 2 times [2024-09-07 21:25:41,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:25:41,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533106819] [2024-09-07 21:25:41,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:25:41,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:25:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:25:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:25:42,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:25:42,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533106819] [2024-09-07 21:25:42,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533106819] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:25:42,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408699076] [2024-09-07 21:25:42,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-07 21:25:42,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:25:42,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:25:42,697 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) [2024-09-07 21:25:42,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-07 21:25:42,780 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-07 21:25:42,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-07 21:25:42,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-09-07 21:25:42,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:25:43,218 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-09-07 21:25:43,219 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-07 21:25:43,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408699076] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:25:43,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-07 21:25:43,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 17 [2024-09-07 21:25:43,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682045026] [2024-09-07 21:25:43,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:25:43,220 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-07 21:25:43,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:25:43,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-07 21:25:43,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-09-07 21:25:43,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:25:43,221 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:25:43,222 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-09-07 21:25:43,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:25:43,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:25:43,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:25:43,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:25:43,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:25:43,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:25:43,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:25:43,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:25:43,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:25:43,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:25:43,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-07 21:25:44,125 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 [2024-09-07 21:25:44,126 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:25:44,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:25:44,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1612139139, now seen corresponding path program 1 times [2024-09-07 21:25:44,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:25:44,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678461050] [2024-09-07 21:25:44,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:25:44,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:25:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:25:44,339 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-09-07 21:25:44,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:25:44,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678461050] [2024-09-07 21:25:44,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678461050] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:25:44,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737920162] [2024-09-07 21:25:44,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:25:44,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:25:44,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:25:44,342 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-07 21:25:44,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-07 21:25:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:25:44,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-07 21:25:44,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:25:44,577 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-09-07 21:25:44,577 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-07 21:25:44,682 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-09-07 21:25:44,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737920162] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-07 21:25:44,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-07 21:25:44,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-09-07 21:25:44,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233109820] [2024-09-07 21:25:44,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-07 21:25:44,684 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-07 21:25:44,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:25:44,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-07 21:25:44,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-09-07 21:25:44,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:25:44,685 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:25:44,685 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 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) [2024-09-07 21:25:44,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:25:44,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:25:44,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:25:44,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:25:44,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:25:44,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:25:44,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:25:44,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:25:44,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:25:44,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:25:44,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:25:44,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:25:44,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-09-07 21:25:45,011 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:25:45,012 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:25:45,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:25:45,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1025860782, now seen corresponding path program 2 times [2024-09-07 21:25:45,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:25:45,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126521774] [2024-09-07 21:25:45,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:25:45,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:25:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:25:48,498 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:25:48,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:25:48,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126521774] [2024-09-07 21:25:48,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126521774] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:25:48,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026169403] [2024-09-07 21:25:48,499 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-07 21:25:48,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:25:48,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:25:48,501 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) [2024-09-07 21:25:48,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-07 21:25:48,622 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-07 21:25:48,622 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-07 21:25:48,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-09-07 21:25:48,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:25:50,431 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:25:50,431 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-07 21:25:56,878 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-09-07 21:25:56,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026169403] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-07 21:25:56,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-07 21:25:56,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24, 14] total 61 [2024-09-07 21:25:56,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336360361] [2024-09-07 21:25:56,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-07 21:25:56,880 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-09-07 21:25:56,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:25:56,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-09-07 21:25:56,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=571, Invalid=3211, Unknown=0, NotChecked=0, Total=3782 [2024-09-07 21:25:56,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:25:56,884 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:25:56,884 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 61 states have (on average 2.4098360655737703) internal successors, (147), 62 states have internal predecessors, (147), 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) [2024-09-07 21:25:56,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:25:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:25:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:25:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:25:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:25:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:25:56,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:26:12,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:26:12,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:26:12,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:26:12,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:26:12,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:26:12,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:26:12,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-07 21:26:12,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-07 21:26:12,775 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 [2024-09-07 21:26:12,776 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:26:12,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:26:12,776 INFO L85 PathProgramCache]: Analyzing trace with hash -485704374, now seen corresponding path program 3 times [2024-09-07 21:26:12,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:26:12,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117625392] [2024-09-07 21:26:12,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:26:12,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:26:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:26:13,031 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-09-07 21:26:13,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:26:13,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117625392] [2024-09-07 21:26:13,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117625392] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:26:13,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739508851] [2024-09-07 21:26:13,031 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-07 21:26:13,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:26:13,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:26:13,033 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) [2024-09-07 21:26:13,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-07 21:26:13,185 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-09-07 21:26:13,185 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-07 21:26:13,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-07 21:26:13,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:26:13,354 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-09-07 21:26:13,355 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-07 21:26:13,508 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-09-07 21:26:13,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739508851] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-07 21:26:13,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-07 21:26:13,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-09-07 21:26:13,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543336752] [2024-09-07 21:26:13,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-07 21:26:13,513 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-09-07 21:26:13,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:26:13,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-09-07 21:26:13,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2024-09-07 21:26:13,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:26:13,514 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:26:13,514 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.722222222222222) internal successors, (103), 18 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) [2024-09-07 21:26:13,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:26:13,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:26:13,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:26:13,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:26:13,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:26:13,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:26:13,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-07 21:26:13,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:26:13,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:26:13,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:26:13,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:26:13,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:26:13,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:26:13,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:26:13,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-07 21:26:13,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:26:13,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-07 21:26:13,927 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 [2024-09-07 21:26:13,928 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:26:13,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:26:13,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1628682887, now seen corresponding path program 4 times [2024-09-07 21:26:13,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:26:13,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861782675] [2024-09-07 21:26:13,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:26:13,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:26:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:26:17,583 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:26:17,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:26:17,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861782675] [2024-09-07 21:26:17,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861782675] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:26:17,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831638999] [2024-09-07 21:26:17,584 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-07 21:26:17,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:26:17,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:26:17,587 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) [2024-09-07 21:26:17,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-07 21:26:17,726 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-07 21:26:17,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-07 21:26:17,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-09-07 21:26:17,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:26:19,631 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 6 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:26:19,631 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-07 21:26:30,024 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:26:30,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831638999] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-07 21:26:30,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-07 21:26:30,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 81 [2024-09-07 21:26:30,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186911633] [2024-09-07 21:26:30,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-07 21:26:30,026 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2024-09-07 21:26:30,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:26:30,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2024-09-07 21:26:30,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1230, Invalid=5576, Unknown=0, NotChecked=0, Total=6806 [2024-09-07 21:26:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:26:30,030 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:26:30,030 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 82 states have (on average 2.268292682926829) internal successors, (186), 82 states have internal predecessors, (186), 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) [2024-09-07 21:26:30,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:26:30,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:26:30,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:26:30,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:26:30,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:26:30,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:26:30,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-07 21:26:30,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:26:30,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:27:06,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:27:06,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:27:06,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:27:06,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:27:06,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:27:06,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:27:06,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-07 21:27:06,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:27:06,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-07 21:27:06,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-09-07 21:27:07,077 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 [2024-09-07 21:27:07,078 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:27:07,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:27:07,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1855099052, now seen corresponding path program 5 times [2024-09-07 21:27:07,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:27:07,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929957445] [2024-09-07 21:27:07,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:27:07,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:27:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:27:11,596 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:27:11,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:27:11,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929957445] [2024-09-07 21:27:11,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929957445] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:27:11,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402791988] [2024-09-07 21:27:11,597 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-07 21:27:11,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:27:11,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:27:11,598 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) [2024-09-07 21:27:11,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-07 21:27:13,322 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-09-07 21:27:13,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-07 21:27:13,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-07 21:27:13,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:27:13,602 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 [2024-09-07 21:27:13,654 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2024-09-07 21:27:13,654 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-07 21:27:13,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402791988] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:27:13,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-07 21:27:13,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [40] total 45 [2024-09-07 21:27:13,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358646813] [2024-09-07 21:27:13,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:27:13,655 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-07 21:27:13,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:27:13,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-07 21:27:13,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=425, Invalid=1645, Unknown=0, NotChecked=0, Total=2070 [2024-09-07 21:27:13,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:27:13,657 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:27:13,657 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 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) [2024-09-07 21:27:13,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:27:13,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:27:13,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:27:13,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:27:13,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:27:13,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:27:13,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-07 21:27:13,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:27:13,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-07 21:27:13,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:27:14,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:27:14,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:27:14,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:27:14,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:27:14,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:27:14,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:27:14,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-07 21:27:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:27:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-07 21:27:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-07 21:27:14,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-09-07 21:27:14,417 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 [2024-09-07 21:27:14,417 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:27:14,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:27:14,418 INFO L85 PathProgramCache]: Analyzing trace with hash 146895382, now seen corresponding path program 1 times [2024-09-07 21:27:14,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:27:14,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688932213] [2024-09-07 21:27:14,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:27:14,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:27:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:27:19,395 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:27:19,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:27:19,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688932213] [2024-09-07 21:27:19,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688932213] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:27:19,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577106439] [2024-09-07 21:27:19,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:27:19,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:27:19,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:27:19,398 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-07 21:27:19,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-09-07 21:27:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:27:19,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-09-07 21:27:19,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:27:22,645 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 3 proven. 339 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:27:22,645 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-07 21:27:31,564 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-09-07 21:27:31,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577106439] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-07 21:27:31,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-07 21:27:31,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 44, 20] total 104 [2024-09-07 21:27:31,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16145089] [2024-09-07 21:27:31,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-07 21:27:31,566 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2024-09-07 21:27:31,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:27:31,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2024-09-07 21:27:31,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1729, Invalid=9191, Unknown=0, NotChecked=0, Total=10920 [2024-09-07 21:27:31,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:27:31,570 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:27:31,570 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 104 states have (on average 2.1538461538461537) internal successors, (224), 105 states have internal predecessors, (224), 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) [2024-09-07 21:27:31,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:27:31,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:27:31,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:27:31,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:27:31,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:27:31,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:27:31,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-07 21:27:31,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:27:31,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-07 21:27:31,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-07 21:27:31,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:28:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:28:25,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:28:25,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:28:25,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:28:25,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:28:25,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:28:25,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-07 21:28:25,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:28:25,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-07 21:28:25,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-07 21:28:25,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-09-07 21:28:25,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-09-07 21:28:25,759 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:28:25,759 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:28:25,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:28:25,760 INFO L85 PathProgramCache]: Analyzing trace with hash 4949814, now seen corresponding path program 2 times [2024-09-07 21:28:25,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:28:25,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135122210] [2024-09-07 21:28:25,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:28:25,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:28:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:28:26,029 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 54 proven. 24 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-09-07 21:28:26,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:28:26,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135122210] [2024-09-07 21:28:26,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135122210] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:28:26,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333837948] [2024-09-07 21:28:26,029 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-07 21:28:26,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:28:26,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:28:26,032 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) [2024-09-07 21:28:26,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-09-07 21:28:26,274 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-07 21:28:26,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-07 21:28:26,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-09-07 21:28:26,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:28:28,354 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-09-07 21:28:28,354 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-07 21:28:28,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333837948] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:28:28,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-07 21:28:28,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 17 [2024-09-07 21:28:28,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547382309] [2024-09-07 21:28:28,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:28:28,355 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-07 21:28:28,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:28:28,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-07 21:28:28,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2024-09-07 21:28:28,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:28:28,356 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:28:28,356 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 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) [2024-09-07 21:28:28,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:28:28,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:28:28,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:28:28,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:28:28,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:28:28,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:28:28,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-07 21:28:28,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:28:28,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-07 21:28:28,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-07 21:28:28,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-09-07 21:28:28,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:32:44,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:32:44,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:32:44,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:32:44,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-07 21:32:44,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:32:44,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:32:44,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-09-07 21:32:44,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:32:44,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2024-09-07 21:32:44,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-07 21:32:44,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2024-09-07 21:32:44,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:32:44,604 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-09-07 21:32:44,604 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-09-07 21:32:44,604 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-09-07 21:32:44,604 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-09-07 21:32:44,605 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-09-07 21:32:44,605 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-09-07 21:32:44,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-09-07 21:32:44,805 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 [2024-09-07 21:32:44,811 INFO L408 BasicCegarLoop]: Path program histogram: [5, 2, 2, 2, 1] [2024-09-07 21:32:44,814 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-07 21:32:44,814 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-07 21:32:44,816 INFO L469 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-09-07 21:32:44,816 INFO L470 ceAbstractionStarter]: WitnessConsidered=3 [2024-09-07 21:32:44,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 09:32:44 BasicIcfg [2024-09-07 21:32:44,817 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-07 21:32:44,818 INFO L158 Benchmark]: Toolchain (without parser) took 435975.42ms. Allocated memory was 151.0MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 109.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 904.4MB. Max. memory is 16.1GB. [2024-09-07 21:32:44,818 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 151.0MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:32:44,818 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:32:44,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.20ms. Allocated memory is still 151.0MB. Free memory was 109.0MB in the beginning and 89.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-07 21:32:44,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.31ms. Allocated memory is still 151.0MB. Free memory was 89.5MB in the beginning and 85.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-07 21:32:44,819 INFO L158 Benchmark]: Boogie Preprocessor took 39.28ms. Allocated memory is still 151.0MB. Free memory was 85.7MB in the beginning and 83.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-07 21:32:44,820 INFO L158 Benchmark]: RCFGBuilder took 1189.03ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 83.4MB in the beginning and 113.7MB in the end (delta: -30.4MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-09-07 21:32:44,821 INFO L158 Benchmark]: TraceAbstraction took 434254.98ms. Allocated memory was 182.5MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 113.7MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 877.8MB. Max. memory is 16.1GB. [2024-09-07 21:32:44,822 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.22ms. Allocated memory is still 151.0MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.20ms. Allocated memory is still 151.0MB. Free memory was 109.0MB in the beginning and 89.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.31ms. Allocated memory is still 151.0MB. Free memory was 89.5MB in the beginning and 85.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.28ms. Allocated memory is still 151.0MB. Free memory was 85.7MB in the beginning and 83.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1189.03ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 83.4MB in the beginning and 113.7MB in the end (delta: -30.4MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * TraceAbstraction took 434254.98ms. Allocated memory was 182.5MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 113.7MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 877.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 371150, independent: 352173, independent conditional: 350833, independent unconditional: 1340, dependent: 18977, dependent conditional: 18965, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 355188, independent: 352173, independent conditional: 350833, independent unconditional: 1340, dependent: 3015, dependent conditional: 3003, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 355188, independent: 352173, independent conditional: 350833, independent unconditional: 1340, dependent: 3015, dependent conditional: 3003, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 376718, independent: 352173, independent conditional: 350833, independent unconditional: 1340, dependent: 24545, dependent conditional: 24533, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 376718, independent: 352173, independent conditional: 7349, independent unconditional: 344824, dependent: 24545, dependent conditional: 12391, dependent unconditional: 12154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 376718, independent: 352173, independent conditional: 7349, independent unconditional: 344824, dependent: 24545, dependent conditional: 12391, dependent unconditional: 12154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1385, independent: 1151, independent conditional: 14, independent unconditional: 1137, dependent: 234, dependent conditional: 222, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1385, independent: 1100, independent conditional: 0, independent unconditional: 1100, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 285, independent: 51, independent conditional: 14, independent unconditional: 37, dependent: 234, dependent conditional: 222, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 285, independent: 51, independent conditional: 14, independent unconditional: 37, dependent: 234, dependent conditional: 222, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1554, independent: 426, independent conditional: 103, independent unconditional: 323, dependent: 1128, dependent conditional: 1060, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 376718, independent: 351022, independent conditional: 7335, independent unconditional: 343687, dependent: 24311, dependent conditional: 12169, dependent unconditional: 12142, unknown: 1385, unknown conditional: 236, unknown unconditional: 1149] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 1151, Positive conditional cache size: 14, Positive unconditional cache size: 1137, Negative cache size: 234, Negative conditional cache size: 222, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 355626, Maximal queried relation: 11, Independence queries for same thread: 15962, Persistent sets #1 benchmarks: Persistent set computation time: 0.5s, Number of persistent set computation: 595, Number of trivial persistent sets: 327, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1352, independent: 1340, independent conditional: 0, independent unconditional: 1340, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 371150, independent: 352173, independent conditional: 350833, independent unconditional: 1340, dependent: 18977, dependent conditional: 18965, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 355188, independent: 352173, independent conditional: 350833, independent unconditional: 1340, dependent: 3015, dependent conditional: 3003, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 355188, independent: 352173, independent conditional: 350833, independent unconditional: 1340, dependent: 3015, dependent conditional: 3003, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 376718, independent: 352173, independent conditional: 350833, independent unconditional: 1340, dependent: 24545, dependent conditional: 24533, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 376718, independent: 352173, independent conditional: 7349, independent unconditional: 344824, dependent: 24545, dependent conditional: 12391, dependent unconditional: 12154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 376718, independent: 352173, independent conditional: 7349, independent unconditional: 344824, dependent: 24545, dependent conditional: 12391, dependent unconditional: 12154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1385, independent: 1151, independent conditional: 14, independent unconditional: 1137, dependent: 234, dependent conditional: 222, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1385, independent: 1100, independent conditional: 0, independent unconditional: 1100, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 285, independent: 51, independent conditional: 14, independent unconditional: 37, dependent: 234, dependent conditional: 222, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 285, independent: 51, independent conditional: 14, independent unconditional: 37, dependent: 234, dependent conditional: 222, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1554, independent: 426, independent conditional: 103, independent unconditional: 323, dependent: 1128, dependent conditional: 1060, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 376718, independent: 351022, independent conditional: 7335, independent unconditional: 343687, dependent: 24311, dependent conditional: 12169, dependent unconditional: 12142, unknown: 1385, unknown conditional: 236, unknown unconditional: 1149] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 1151, Positive conditional cache size: 14, Positive unconditional cache size: 1137, Negative cache size: 234, Negative conditional cache size: 222, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 355626, Maximal queried relation: 11, Independence queries for same thread: 15962 - PositiveResult [Line: 128]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 129]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 130]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 70 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 434.1s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 365.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 572, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 62.4s InterpolantComputationTime, 1074 NumberOfCodeBlocks, 988 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 1375 ConstructedInterpolants, 4 QuantifiedInterpolants, 52907 SizeOfPredicates, 57 NumberOfNonLiveVariables, 3298 ConjunctsInSsa, 306 ConjunctsInUnsatCore, 30 InterpolantComputations, 5 PerfectInterpolantSequences, 1957/3617 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-07 21:32:44,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-07 21:32:45,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE