./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-commit-1.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-commit-1.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-22 18:19:40,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-22 18:19:40,658 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-22 18:19:40,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-22 18:19:40,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-22 18:19:40,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-22 18:19:40,699 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-22 18:19:40,700 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-22 18:19:40,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-22 18:19:40,701 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-22 18:19:40,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-22 18:19:40,702 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-22 18:19:40,703 INFO L153 SettingsManager]: * Use SBE=true [2024-09-22 18:19:40,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-22 18:19:40,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-22 18:19:40,704 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-22 18:19:40,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-22 18:19:40,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-22 18:19:40,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-22 18:19:40,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-22 18:19:40,705 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-22 18:19:40,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-22 18:19:40,708 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-22 18:19:40,708 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-22 18:19:40,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-22 18:19:40,708 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-22 18:19:40,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-22 18:19:40,709 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-22 18:19:40,709 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-22 18:19:40,709 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-22 18:19:40,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 18:19:40,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-22 18:19:40,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-22 18:19:40,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-22 18:19:40,711 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-22 18:19:40,711 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-22 18:19:40,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-22 18:19:40,712 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-22 18:19:40,712 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-22 18:19:40,712 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-22 18:19:40,712 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-22 18:19:40,712 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-22 18:19:40,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-22 18:19:40,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-22 18:19:40,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-22 18:19:40,977 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-22 18:19:40,977 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-22 18:19:40,979 INFO L431 ainManager$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-commit-1.wvr.yml/witness.yml [2024-09-22 18:19:41,050 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-22 18:19:41,050 INFO L274 PluginConnector]: CDTParser initialized [2024-09-22 18:19:41,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c [2024-09-22 18:19:42,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-22 18:19:42,506 INFO L384 CDTParser]: Found 1 translation units. [2024-09-22 18:19:42,507 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c [2024-09-22 18:19:42,513 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/388c0802b/d0f59fed468b47e29b7698e2b05695e4/FLAG1a4a3fe83 [2024-09-22 18:19:42,524 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/388c0802b/d0f59fed468b47e29b7698e2b05695e4 [2024-09-22 18:19:42,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-22 18:19:42,526 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-22 18:19:42,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-22 18:19:42,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-22 18:19:42,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-22 18:19:42,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 06:19:41" (1/2) ... [2024-09-22 18:19:42,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13991dc4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:19:42, skipping insertion in model container [2024-09-22 18:19:42,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 06:19:41" (1/2) ... [2024-09-22 18:19:42,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3015119f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:19:42, skipping insertion in model container [2024-09-22 18:19:42,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 06:19:42" (2/2) ... [2024-09-22 18:19:42,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13991dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:19:42, skipping insertion in model container [2024-09-22 18:19:42,534 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 06:19:42" (2/2) ... [2024-09-22 18:19:42,544 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-22 18:19:42,544 INFO L1541 ArrayList]: Location invariant before [L143-L143] ! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )client_size) + (long long )node_front >= 0LL && (2147483648LL + (long long )client_size) + (long long )node_back >= 0LL) && (2147483648LL + (long long )client_size) + (long long )update >= 0LL) && (2147483648LL + (long long )client_size) + (long long )ok >= 0LL) && (2147483648LL + (long long )client_front) + (long long )client_size >= 0LL) && (2147483648LL + (long long )client_front) + (long long )node_size >= 0LL) && (2147483648LL + (long long )client_back) + (long long )client_size >= 0LL) && (2147483648LL + (long long )client_back) + (long long )node_size >= 0LL) && (2147483648LL + (long long )node_size) + (long long )update >= 0LL) && (2147483648LL + (long long )node_size) + (long long )ok >= 0LL) && (2147483648LL + (long long )node_front) + (long long )node_size >= 0LL) && (2147483648LL + (long long )node_back) + (long long )node_size >= 0LL) && (1073741823LL - (long long )client_size) + (long long )node_size >= 0LL) && (1073741823LL - (long long )manager_size) + (long long )node_size >= 0LL) && (2147483647LL - (long long )client_front) + (long long )client_size >= 0LL) && (2147483647LL - (long long )client_front) + (long long )node_size >= 0LL) && (2147483647LL - (long long )client_back) + (long long )client_size >= 0LL) && (2147483647LL - (long long )client_back) + (long long )node_size >= 0LL) && (2147483647LL - (long long )manager_back) + (long long )node_size >= 0LL) && (2147483647LL - (long long )node_front) + (long long )node_size >= 0LL) && (2147483647LL - (long long )node_back) + (long long )node_size >= 0LL) && (3221225471LL - (long long )client_size) + (long long )node_front >= 0LL) && (3221225471LL - (long long )client_size) + (long long )node_back >= 0LL) && (3221225471LL - (long long )client_size) + (long long )update >= 0LL) && (3221225471LL - (long long )client_size) + (long long )ok >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )node_front >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )node_back >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )update >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )ok >= 0LL) && (3221225471LL - (long long )node_size) + (long long )update >= 0LL) && (3221225471LL - (long long )node_size) + (long long )ok >= 0LL) && (4294967295LL - (long long )client_front) + (long long )node_front >= 0LL) && (4294967295LL - (long long )client_front) + (long long )node_back >= 0LL) && (4294967295LL - (long long )client_front) + (long long )update >= 0LL) && (4294967295LL - (long long )client_front) + (long long )ok >= 0LL) && (4294967295LL - (long long )client_back) + (long long )client_front >= 0LL) && (4294967295LL - (long long )client_back) + (long long )node_front >= 0LL) && (4294967295LL - (long long )client_back) + (long long )node_back >= 0LL) && (4294967295LL - (long long )client_back) + (long long )update >= 0LL) && (4294967295LL - (long long )client_back) + (long long )ok >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )node_front >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )node_back >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )update >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )ok >= 0LL) && (4294967295LL - (long long )node_front) + (long long )update >= 0LL) && (4294967295LL - (long long )node_front) + (long long )ok >= 0LL) && (4294967295LL - (long long )node_back) + (long long )node_front >= 0LL) && (4294967295LL - (long long )node_back) + (long long )update >= 0LL) && (4294967295LL - (long long )node_back) + (long long )ok >= 0LL) && (long long )client_size + (long long )node_size >= 0LL) && (1LL + (long long )client_size) - (long long )safe >= 0LL) && (1LL + (long long )node_size) - (long long )safe >= 0LL) && (1073741823LL + (long long )client_size) - (long long )manager_size >= 0LL) && (1073741823LL + (long long )client_size) - (long long )node_size >= 0LL) && (2147483647LL + (long long )client_size) - (long long )manager_back >= 0LL) && (2147483647LL + (long long )client_size) - (long long )node_front >= 0LL) && (2147483647LL + (long long )client_size) - (long long )node_back >= 0LL) && (2147483647LL + (long long )client_size) - (long long )update >= 0LL) && (2147483647LL + (long long )client_size) - (long long )ok >= 0LL) && (2147483647LL + (long long )node_size) - (long long )update >= 0LL) && (2147483647LL + (long long )node_size) - (long long )ok >= 0LL) && (3221225471LL + (long long )client_front) - (long long )client_size >= 0LL) && (3221225471LL + (long long )client_front) - (long long )manager_size >= 0LL) && (3221225471LL + (long long )client_front) - (long long )node_size >= 0LL) && (3221225471LL + (long long )client_back) - (long long )client_size >= 0LL) && (3221225471LL + (long long )client_back) - (long long )manager_size >= 0LL) && (3221225471LL + (long long )client_back) - (long long )node_size >= 0LL) && (3221225471LL + (long long )node_front) - (long long )node_size >= 0LL) && (3221225471LL + (long long )node_back) - (long long )node_size >= 0LL) && (4294967295LL + (long long )client_front) - (long long )manager_back >= 0LL) && (4294967295LL + (long long )client_front) - (long long )node_front >= 0LL) && (4294967295LL + (long long )client_front) - (long long )node_back >= 0LL) && (4294967295LL + (long long )client_back) - (long long )client_front >= 0LL) && (4294967295LL + (long long )client_back) - (long long )manager_back >= 0LL) && (4294967295LL + (long long )client_back) - (long long )node_front >= 0LL) && (4294967295LL + (long long )client_back) - (long long )node_back >= 0LL) && (4294967295LL + (long long )node_back) - (long long )node_front >= 0LL) && (1073741824LL - (long long )client_size) - (long long )safe >= 0LL) && (1073741824LL - (long long )manager_size) - (long long )safe >= 0LL) && (1073741824LL - (long long )node_size) - (long long )safe >= 0LL) && (2147483646LL - (long long )client_size) - (long long )manager_size >= 0LL) && (2147483646LL - (long long )client_size) - (long long )node_size >= 0LL) && (2147483646LL - (long long )manager_size) - (long long )node_size >= 0LL) && (2147483648LL - (long long )client_front) - (long long )safe >= 0LL) && (2147483648LL - (long long )client_back) - (long long )safe >= 0LL) && (2147483648LL - (long long )manager_back) - (long long )safe >= 0LL) && (2147483648LL - (long long )node_front) - (long long )safe >= 0LL) && (2147483648LL - (long long )node_back) - (long long )safe >= 0LL) && (3221225470LL - (long long )client_size) - (long long )manager_back >= 0LL) && (3221225470LL - (long long )client_size) - (long long )node_front >= 0LL) && (3221225470LL - (long long )client_size) - (long long )node_back >= 0LL) && (3221225470LL - (long long )client_size) - (long long )update >= 0LL) && (3221225470LL - (long long )client_size) - (long long )ok >= 0LL) && (3221225470LL - (long long )client_front) - (long long )client_size >= 0LL) && (3221225470LL - (long long )client_front) - (long long )manager_size >= 0LL) && (3221225470LL - (long long )client_front) - (long long )node_size >= 0LL) && (3221225470LL - (long long )client_back) - (long long )client_size >= 0LL) && (3221225470LL - (long long )client_back) - (long long )manager_size >= 0LL) && (3221225470LL - (long long )client_back) - (long long )node_size >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )node_front >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )node_back >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )update >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )ok >= 0LL) && (3221225470LL - (long long )manager_back) - (long long )manager_size >= 0LL) && (3221225470LL - (long long )manager_back) - (long long )node_size >= 0LL) && (3221225470LL - (long long )node_size) - (long long )update >= 0LL) && (3221225470LL - (long long )node_size) - (long long )ok >= 0LL) && (3221225470LL - (long long )node_front) - (long long )node_size >= 0LL) && (3221225470LL - (long long )node_back) - (long long )node_size >= 0LL) && (4294967294LL - (long long )client_front) - (long long )manager_back >= 0LL) && (4294967294LL - (long long )client_front) - (long long )node_front >= 0LL) && (4294967294LL - (long long )client_front) - (long long )node_back >= 0LL) && (4294967294LL - (long long )client_front) - (long long )update >= 0LL) && (4294967294LL - (long long )client_front) - (long long )ok >= 0LL) && (4294967294LL - (long long )client_back) - (long long )client_front >= 0LL) && (4294967294LL - (long long )client_back) - (long long )manager_back >= 0LL) && (4294967294LL - (long long )client_back) - (long long )node_front >= 0LL) && (4294967294LL - (long long )client_back) - (long long )node_back >= 0LL) && (4294967294LL - (long long )client_back) - (long long )update >= 0LL) && (4294967294LL - (long long )client_back) - (long long )ok >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )node_front >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )node_back >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )update >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )ok >= 0LL) && (4294967294LL - (long long )node_front) - (long long )update >= 0LL) && (4294967294LL - (long long )node_front) - (long long )ok >= 0LL) && (4294967294LL - (long long )node_back) - (long long )node_front >= 0LL) && (4294967294LL - (long long )node_back) - (long long )update >= 0LL) && (4294967294LL - (long long )node_back) - (long long )ok >= 0LL) [2024-09-22 18:19:42,545 INFO L1541 ArrayList]: Location invariant before [L141-L141] ! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )client_size) + (long long )node_front >= 0LL && (2147483648LL + (long long )client_size) + (long long )node_back >= 0LL) && (2147483648LL + (long long )client_size) + (long long )update >= 0LL) && (2147483648LL + (long long )client_size) + (long long )ok >= 0LL) && (2147483648LL + (long long )client_front) + (long long )client_size >= 0LL) && (2147483648LL + (long long )client_front) + (long long )node_size >= 0LL) && (2147483648LL + (long long )client_back) + (long long )client_size >= 0LL) && (2147483648LL + (long long )client_back) + (long long )node_size >= 0LL) && (2147483648LL + (long long )node_size) + (long long )update >= 0LL) && (2147483648LL + (long long )node_size) + (long long )ok >= 0LL) && (2147483648LL + (long long )node_front) + (long long )node_size >= 0LL) && (2147483648LL + (long long )node_back) + (long long )node_size >= 0LL) && (1073741823LL - (long long )client_size) + (long long )node_size >= 0LL) && (1073741823LL - (long long )manager_size) + (long long )node_size >= 0LL) && (2147483647LL - (long long )client_front) + (long long )client_size >= 0LL) && (2147483647LL - (long long )client_front) + (long long )node_size >= 0LL) && (2147483647LL - (long long )client_back) + (long long )client_size >= 0LL) && (2147483647LL - (long long )client_back) + (long long )node_size >= 0LL) && (2147483647LL - (long long )manager_back) + (long long )node_size >= 0LL) && (2147483647LL - (long long )node_front) + (long long )node_size >= 0LL) && (2147483647LL - (long long )node_back) + (long long )node_size >= 0LL) && (3221225471LL - (long long )client_size) + (long long )node_front >= 0LL) && (3221225471LL - (long long )client_size) + (long long )node_back >= 0LL) && (3221225471LL - (long long )client_size) + (long long )update >= 0LL) && (3221225471LL - (long long )client_size) + (long long )ok >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )node_front >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )node_back >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )update >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )ok >= 0LL) && (3221225471LL - (long long )node_size) + (long long )update >= 0LL) && (3221225471LL - (long long )node_size) + (long long )ok >= 0LL) && (4294967295LL - (long long )client_front) + (long long )node_front >= 0LL) && (4294967295LL - (long long )client_front) + (long long )node_back >= 0LL) && (4294967295LL - (long long )client_front) + (long long )update >= 0LL) && (4294967295LL - (long long )client_front) + (long long )ok >= 0LL) && (4294967295LL - (long long )client_back) + (long long )client_front >= 0LL) && (4294967295LL - (long long )client_back) + (long long )node_front >= 0LL) && (4294967295LL - (long long )client_back) + (long long )node_back >= 0LL) && (4294967295LL - (long long )client_back) + (long long )update >= 0LL) && (4294967295LL - (long long )client_back) + (long long )ok >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )node_front >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )node_back >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )update >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )ok >= 0LL) && (4294967295LL - (long long )node_front) + (long long )update >= 0LL) && (4294967295LL - (long long )node_front) + (long long )ok >= 0LL) && (4294967295LL - (long long )node_back) + (long long )node_front >= 0LL) && (4294967295LL - (long long )node_back) + (long long )update >= 0LL) && (4294967295LL - (long long )node_back) + (long long )ok >= 0LL) && (long long )client_size + (long long )node_size >= 0LL) && (1LL + (long long )client_size) - (long long )safe >= 0LL) && (1LL + (long long )node_size) - (long long )safe >= 0LL) && (1073741823LL + (long long )client_size) - (long long )manager_size >= 0LL) && (1073741823LL + (long long )client_size) - (long long )node_size >= 0LL) && (2147483647LL + (long long )client_size) - (long long )manager_back >= 0LL) && (2147483647LL + (long long )client_size) - (long long )node_front >= 0LL) && (2147483647LL + (long long )client_size) - (long long )node_back >= 0LL) && (2147483647LL + (long long )client_size) - (long long )update >= 0LL) && (2147483647LL + (long long )client_size) - (long long )ok >= 0LL) && (2147483647LL + (long long )node_size) - (long long )update >= 0LL) && (2147483647LL + (long long )node_size) - (long long )ok >= 0LL) && (3221225471LL + (long long )client_front) - (long long )client_size >= 0LL) && (3221225471LL + (long long )client_front) - (long long )manager_size >= 0LL) && (3221225471LL + (long long )client_front) - (long long )node_size >= 0LL) && (3221225471LL + (long long )client_back) - (long long )client_size >= 0LL) && (3221225471LL + (long long )client_back) - (long long )manager_size >= 0LL) && (3221225471LL + (long long )client_back) - (long long )node_size >= 0LL) && (3221225471LL + (long long )node_front) - (long long )node_size >= 0LL) && (3221225471LL + (long long )node_back) - (long long )node_size >= 0LL) && (4294967295LL + (long long )client_front) - (long long )manager_back >= 0LL) && (4294967295LL + (long long )client_front) - (long long )node_front >= 0LL) && (4294967295LL + (long long )client_front) - (long long )node_back >= 0LL) && (4294967295LL + (long long )client_back) - (long long )client_front >= 0LL) && (4294967295LL + (long long )client_back) - (long long )manager_back >= 0LL) && (4294967295LL + (long long )client_back) - (long long )node_front >= 0LL) && (4294967295LL + (long long )client_back) - (long long )node_back >= 0LL) && (4294967295LL + (long long )node_back) - (long long )node_front >= 0LL) && (1073741824LL - (long long )client_size) - (long long )safe >= 0LL) && (1073741824LL - (long long )manager_size) - (long long )safe >= 0LL) && (1073741824LL - (long long )node_size) - (long long )safe >= 0LL) && (2147483646LL - (long long )client_size) - (long long )manager_size >= 0LL) && (2147483646LL - (long long )client_size) - (long long )node_size >= 0LL) && (2147483646LL - (long long )manager_size) - (long long )node_size >= 0LL) && (2147483648LL - (long long )client_front) - (long long )safe >= 0LL) && (2147483648LL - (long long )client_back) - (long long )safe >= 0LL) && (2147483648LL - (long long )manager_back) - (long long )safe >= 0LL) && (2147483648LL - (long long )node_front) - (long long )safe >= 0LL) && (2147483648LL - (long long )node_back) - (long long )safe >= 0LL) && (3221225470LL - (long long )client_size) - (long long )manager_back >= 0LL) && (3221225470LL - (long long )client_size) - (long long )node_front >= 0LL) && (3221225470LL - (long long )client_size) - (long long )node_back >= 0LL) && (3221225470LL - (long long )client_size) - (long long )update >= 0LL) && (3221225470LL - (long long )client_size) - (long long )ok >= 0LL) && (3221225470LL - (long long )client_front) - (long long )client_size >= 0LL) && (3221225470LL - (long long )client_front) - (long long )manager_size >= 0LL) && (3221225470LL - (long long )client_front) - (long long )node_size >= 0LL) && (3221225470LL - (long long )client_back) - (long long )client_size >= 0LL) && (3221225470LL - (long long )client_back) - (long long )manager_size >= 0LL) && (3221225470LL - (long long )client_back) - (long long )node_size >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )node_front >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )node_back >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )update >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )ok >= 0LL) && (3221225470LL - (long long )manager_back) - (long long )manager_size >= 0LL) && (3221225470LL - (long long )manager_back) - (long long )node_size >= 0LL) && (3221225470LL - (long long )node_size) - (long long )update >= 0LL) && (3221225470LL - (long long )node_size) - (long long )ok >= 0LL) && (3221225470LL - (long long )node_front) - (long long )node_size >= 0LL) && (3221225470LL - (long long )node_back) - (long long )node_size >= 0LL) && (4294967294LL - (long long )client_front) - (long long )manager_back >= 0LL) && (4294967294LL - (long long )client_front) - (long long )node_front >= 0LL) && (4294967294LL - (long long )client_front) - (long long )node_back >= 0LL) && (4294967294LL - (long long )client_front) - (long long )update >= 0LL) && (4294967294LL - (long long )client_front) - (long long )ok >= 0LL) && (4294967294LL - (long long )client_back) - (long long )client_front >= 0LL) && (4294967294LL - (long long )client_back) - (long long )manager_back >= 0LL) && (4294967294LL - (long long )client_back) - (long long )node_front >= 0LL) && (4294967294LL - (long long )client_back) - (long long )node_back >= 0LL) && (4294967294LL - (long long )client_back) - (long long )update >= 0LL) && (4294967294LL - (long long )client_back) - (long long )ok >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )node_front >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )node_back >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )update >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )ok >= 0LL) && (4294967294LL - (long long )node_front) - (long long )update >= 0LL) && (4294967294LL - (long long )node_front) - (long long )ok >= 0LL) && (4294967294LL - (long long )node_back) - (long long )node_front >= 0LL) && (4294967294LL - (long long )node_back) - (long long )update >= 0LL) && (4294967294LL - (long long )node_back) - (long long )ok >= 0LL) [2024-09-22 18:19:42,545 INFO L1541 ArrayList]: Location invariant before [L142-L142] ! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )client_size) + (long long )node_front >= 0LL && (2147483648LL + (long long )client_size) + (long long )node_back >= 0LL) && (2147483648LL + (long long )client_size) + (long long )update >= 0LL) && (2147483648LL + (long long )client_size) + (long long )ok >= 0LL) && (2147483648LL + (long long )client_front) + (long long )client_size >= 0LL) && (2147483648LL + (long long )client_front) + (long long )node_size >= 0LL) && (2147483648LL + (long long )client_back) + (long long )client_size >= 0LL) && (2147483648LL + (long long )client_back) + (long long )node_size >= 0LL) && (2147483648LL + (long long )node_size) + (long long )update >= 0LL) && (2147483648LL + (long long )node_size) + (long long )ok >= 0LL) && (2147483648LL + (long long )node_front) + (long long )node_size >= 0LL) && (2147483648LL + (long long )node_back) + (long long )node_size >= 0LL) && (1073741823LL - (long long )client_size) + (long long )node_size >= 0LL) && (1073741823LL - (long long )manager_size) + (long long )node_size >= 0LL) && (2147483647LL - (long long )client_front) + (long long )client_size >= 0LL) && (2147483647LL - (long long )client_front) + (long long )node_size >= 0LL) && (2147483647LL - (long long )client_back) + (long long )client_size >= 0LL) && (2147483647LL - (long long )client_back) + (long long )node_size >= 0LL) && (2147483647LL - (long long )manager_back) + (long long )node_size >= 0LL) && (2147483647LL - (long long )node_front) + (long long )node_size >= 0LL) && (2147483647LL - (long long )node_back) + (long long )node_size >= 0LL) && (3221225471LL - (long long )client_size) + (long long )node_front >= 0LL) && (3221225471LL - (long long )client_size) + (long long )node_back >= 0LL) && (3221225471LL - (long long )client_size) + (long long )update >= 0LL) && (3221225471LL - (long long )client_size) + (long long )ok >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )node_front >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )node_back >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )update >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )ok >= 0LL) && (3221225471LL - (long long )node_size) + (long long )update >= 0LL) && (3221225471LL - (long long )node_size) + (long long )ok >= 0LL) && (4294967295LL - (long long )client_front) + (long long )node_front >= 0LL) && (4294967295LL - (long long )client_front) + (long long )node_back >= 0LL) && (4294967295LL - (long long )client_front) + (long long )update >= 0LL) && (4294967295LL - (long long )client_front) + (long long )ok >= 0LL) && (4294967295LL - (long long )client_back) + (long long )client_front >= 0LL) && (4294967295LL - (long long )client_back) + (long long )node_front >= 0LL) && (4294967295LL - (long long )client_back) + (long long )node_back >= 0LL) && (4294967295LL - (long long )client_back) + (long long )update >= 0LL) && (4294967295LL - (long long )client_back) + (long long )ok >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )node_front >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )node_back >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )update >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )ok >= 0LL) && (4294967295LL - (long long )node_front) + (long long )update >= 0LL) && (4294967295LL - (long long )node_front) + (long long )ok >= 0LL) && (4294967295LL - (long long )node_back) + (long long )node_front >= 0LL) && (4294967295LL - (long long )node_back) + (long long )update >= 0LL) && (4294967295LL - (long long )node_back) + (long long )ok >= 0LL) && (long long )client_size + (long long )node_size >= 0LL) && (1LL + (long long )client_size) - (long long )safe >= 0LL) && (1LL + (long long )node_size) - (long long )safe >= 0LL) && (1073741823LL + (long long )client_size) - (long long )manager_size >= 0LL) && (1073741823LL + (long long )client_size) - (long long )node_size >= 0LL) && (2147483647LL + (long long )client_size) - (long long )manager_back >= 0LL) && (2147483647LL + (long long )client_size) - (long long )node_front >= 0LL) && (2147483647LL + (long long )client_size) - (long long )node_back >= 0LL) && (2147483647LL + (long long )client_size) - (long long )update >= 0LL) && (2147483647LL + (long long )client_size) - (long long )ok >= 0LL) && (2147483647LL + (long long )node_size) - (long long )update >= 0LL) && (2147483647LL + (long long )node_size) - (long long )ok >= 0LL) && (3221225471LL + (long long )client_front) - (long long )client_size >= 0LL) && (3221225471LL + (long long )client_front) - (long long )manager_size >= 0LL) && (3221225471LL + (long long )client_front) - (long long )node_size >= 0LL) && (3221225471LL + (long long )client_back) - (long long )client_size >= 0LL) && (3221225471LL + (long long )client_back) - (long long )manager_size >= 0LL) && (3221225471LL + (long long )client_back) - (long long )node_size >= 0LL) && (3221225471LL + (long long )node_front) - (long long )node_size >= 0LL) && (3221225471LL + (long long )node_back) - (long long )node_size >= 0LL) && (4294967295LL + (long long )client_front) - (long long )manager_back >= 0LL) && (4294967295LL + (long long )client_front) - (long long )node_front >= 0LL) && (4294967295LL + (long long )client_front) - (long long )node_back >= 0LL) && (4294967295LL + (long long )client_back) - (long long )client_front >= 0LL) && (4294967295LL + (long long )client_back) - (long long )manager_back >= 0LL) && (4294967295LL + (long long )client_back) - (long long )node_front >= 0LL) && (4294967295LL + (long long )client_back) - (long long )node_back >= 0LL) && (4294967295LL + (long long )node_back) - (long long )node_front >= 0LL) && (1073741824LL - (long long )client_size) - (long long )safe >= 0LL) && (1073741824LL - (long long )manager_size) - (long long )safe >= 0LL) && (1073741824LL - (long long )node_size) - (long long )safe >= 0LL) && (2147483646LL - (long long )client_size) - (long long )manager_size >= 0LL) && (2147483646LL - (long long )client_size) - (long long )node_size >= 0LL) && (2147483646LL - (long long )manager_size) - (long long )node_size >= 0LL) && (2147483648LL - (long long )client_front) - (long long )safe >= 0LL) && (2147483648LL - (long long )client_back) - (long long )safe >= 0LL) && (2147483648LL - (long long )manager_back) - (long long )safe >= 0LL) && (2147483648LL - (long long )node_front) - (long long )safe >= 0LL) && (2147483648LL - (long long )node_back) - (long long )safe >= 0LL) && (3221225470LL - (long long )client_size) - (long long )manager_back >= 0LL) && (3221225470LL - (long long )client_size) - (long long )node_front >= 0LL) && (3221225470LL - (long long )client_size) - (long long )node_back >= 0LL) && (3221225470LL - (long long )client_size) - (long long )update >= 0LL) && (3221225470LL - (long long )client_size) - (long long )ok >= 0LL) && (3221225470LL - (long long )client_front) - (long long )client_size >= 0LL) && (3221225470LL - (long long )client_front) - (long long )manager_size >= 0LL) && (3221225470LL - (long long )client_front) - (long long )node_size >= 0LL) && (3221225470LL - (long long )client_back) - (long long )client_size >= 0LL) && (3221225470LL - (long long )client_back) - (long long )manager_size >= 0LL) && (3221225470LL - (long long )client_back) - (long long )node_size >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )node_front >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )node_back >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )update >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )ok >= 0LL) && (3221225470LL - (long long )manager_back) - (long long )manager_size >= 0LL) && (3221225470LL - (long long )manager_back) - (long long )node_size >= 0LL) && (3221225470LL - (long long )node_size) - (long long )update >= 0LL) && (3221225470LL - (long long )node_size) - (long long )ok >= 0LL) && (3221225470LL - (long long )node_front) - (long long )node_size >= 0LL) && (3221225470LL - (long long )node_back) - (long long )node_size >= 0LL) && (4294967294LL - (long long )client_front) - (long long )manager_back >= 0LL) && (4294967294LL - (long long )client_front) - (long long )node_front >= 0LL) && (4294967294LL - (long long )client_front) - (long long )node_back >= 0LL) && (4294967294LL - (long long )client_front) - (long long )update >= 0LL) && (4294967294LL - (long long )client_front) - (long long )ok >= 0LL) && (4294967294LL - (long long )client_back) - (long long )client_front >= 0LL) && (4294967294LL - (long long )client_back) - (long long )manager_back >= 0LL) && (4294967294LL - (long long )client_back) - (long long )node_front >= 0LL) && (4294967294LL - (long long )client_back) - (long long )node_back >= 0LL) && (4294967294LL - (long long )client_back) - (long long )update >= 0LL) && (4294967294LL - (long long )client_back) - (long long )ok >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )node_front >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )node_back >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )update >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )ok >= 0LL) && (4294967294LL - (long long )node_front) - (long long )update >= 0LL) && (4294967294LL - (long long )node_front) - (long long )ok >= 0LL) && (4294967294LL - (long long )node_back) - (long long )node_front >= 0LL) && (4294967294LL - (long long )node_back) - (long long )update >= 0LL) && (4294967294LL - (long long )node_back) - (long long )ok >= 0LL) [2024-09-22 18:19:42,545 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-22 18:19:42,545 INFO L1541 ArrayList]: ghost_update [L140-L140] multithreaded = 1; [2024-09-22 18:19:42,564 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-22 18:19:42,710 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c[4643,4656] [2024-09-22 18:19:42,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 18:19:42,728 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-22 18:19:42,864 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c[4643,4656] [2024-09-22 18:19:42,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 18:19:42,883 INFO L204 MainTranslator]: Completed translation [2024-09-22 18:19:42,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:19:42 WrapperNode [2024-09-22 18:19:42,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-22 18:19:42,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-22 18:19:42,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-22 18:19:42,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-22 18:19:42,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:19:42" (1/1) ... [2024-09-22 18:19:42,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:19:42" (1/1) ... [2024-09-22 18:19:42,962 INFO L138 Inliner]: procedures = 24, calls = 53, calls flagged for inlining = 20, calls inlined = 24, statements flattened = 346 [2024-09-22 18:19:42,963 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-22 18:19:42,963 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-22 18:19:42,963 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-22 18:19:42,964 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-22 18:19:42,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:19:42" (1/1) ... [2024-09-22 18:19:42,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:19:42" (1/1) ... [2024-09-22 18:19:42,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:19:42" (1/1) ... [2024-09-22 18:19:42,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:19:42" (1/1) ... [2024-09-22 18:19:42,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:19:42" (1/1) ... [2024-09-22 18:19:42,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:19:42" (1/1) ... [2024-09-22 18:19:43,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:19:42" (1/1) ... [2024-09-22 18:19:43,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:19:42" (1/1) ... [2024-09-22 18:19:43,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-22 18:19:43,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-22 18:19:43,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-22 18:19:43,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-22 18:19:43,013 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:19:42" (1/1) ... [2024-09-22 18:19:43,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 18:19:43,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:19:43,063 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) [2024-09-22 18:19:43,069 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 [2024-09-22 18:19:43,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-22 18:19:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-22 18:19:43,106 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-22 18:19:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-22 18:19:43,106 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-22 18:19:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-22 18:19:43,106 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-22 18:19:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-22 18:19:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-22 18:19:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-22 18:19:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-22 18:19:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-22 18:19:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-22 18:19:43,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-22 18:19:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-22 18:19:43,108 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-22 18:19:43,270 INFO L242 CfgBuilder]: Building ICFG [2024-09-22 18:19:43,272 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-22 18:19:43,852 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-22 18:19:43,852 INFO L291 CfgBuilder]: Performing block encoding [2024-09-22 18:19:44,167 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-22 18:19:44,167 INFO L318 CfgBuilder]: Removed 6 assume(true) statements. [2024-09-22 18:19:44,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 06:19:44 BoogieIcfgContainer [2024-09-22 18:19:44,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-22 18:19:44,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-22 18:19:44,170 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-22 18:19:44,172 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-22 18:19:44,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 06:19:41" (1/4) ... [2024-09-22 18:19:44,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c18b94c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.09 06:19:44, skipping insertion in model container [2024-09-22 18:19:44,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.09 06:19:42" (2/4) ... [2024-09-22 18:19:44,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c18b94c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 06:19:44, skipping insertion in model container [2024-09-22 18:19:44,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:19:42" (3/4) ... [2024-09-22 18:19:44,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c18b94c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 06:19:44, skipping insertion in model container [2024-09-22 18:19:44,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 06:19:44" (4/4) ... [2024-09-22 18:19:44,176 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-commit-1.wvr.c [2024-09-22 18:19:44,191 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-22 18:19:44,191 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-09-22 18:19:44,191 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-22 18:19:44,257 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-09-22 18:19:44,292 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 18:19:44,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-22 18:19:44,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:19:44,294 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) [2024-09-22 18:19:44,296 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 [2024-09-22 18:19:44,329 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-22 18:19:44,341 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-22 18:19:44,350 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;@1e21e991, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 18:19:44,351 INFO L337 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-09-22 18:19:44,798 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 18:19:44,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:19:44,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1823767871, now seen corresponding path program 1 times [2024-09-22 18:19:44,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:19:44,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168476793] [2024-09-22 18:19:44,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:19:44,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:19:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:19:47,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:19:47,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:19:47,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168476793] [2024-09-22 18:19:47,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168476793] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 18:19:47,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 18:19:47,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-22 18:19:47,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143366752] [2024-09-22 18:19:47,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 18:19:47,462 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-22 18:19:47,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:19:47,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-22 18:19:47,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-22 18:19:47,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:19:47,485 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:19:47,486 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 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) [2024-09-22 18:19:47,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:19:47,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:19:47,538 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-22 18:19:47,538 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 18:19:47,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:19:47,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1723969516, now seen corresponding path program 1 times [2024-09-22 18:19:47,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:19:47,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638261873] [2024-09-22 18:19:47,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:19:47,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:19:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:19:49,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:19:49,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:19:49,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638261873] [2024-09-22 18:19:49,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638261873] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:19:49,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386592611] [2024-09-22 18:19:49,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:19:49,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:19:49,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:19:49,239 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) [2024-09-22 18:19:49,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-22 18:19:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:19:49,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-09-22 18:19:49,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:19:49,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:19:49,798 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:19:58,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:19:58,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386592611] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:19:58,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:19:58,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 14 [2024-09-22 18:19:58,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688389190] [2024-09-22 18:19:58,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:19:58,032 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-09-22 18:19:58,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:19:58,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-09-22 18:19:58,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2024-09-22 18:19:58,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:19:58,034 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:19:58,034 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 15 states have internal predecessors, (25), 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) [2024-09-22 18:19:58,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:19:58,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:20:03,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:20:03,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:20:03,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-22 18:20:03,454 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 [2024-09-22 18:20:03,456 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 18:20:03,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:20:03,457 INFO L85 PathProgramCache]: Analyzing trace with hash 704449151, now seen corresponding path program 2 times [2024-09-22 18:20:03,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:20:03,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5283619] [2024-09-22 18:20:03,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:20:03,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:20:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:20:04,939 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:20:04,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:20:04,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5283619] [2024-09-22 18:20:04,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5283619] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:20:04,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517703690] [2024-09-22 18:20:04,940 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 18:20:04,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:20:04,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:20:04,941 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) [2024-09-22 18:20:04,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-22 18:20:05,017 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-22 18:20:05,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:20:05,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-09-22 18:20:05,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:20:05,348 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-22 18:20:05,349 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-22 18:20:05,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517703690] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 18:20:05,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-22 18:20:05,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 12 [2024-09-22 18:20:05,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601581519] [2024-09-22 18:20:05,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 18:20:05,350 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-22 18:20:05,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:20:05,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-22 18:20:05,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-09-22 18:20:05,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:20:05,351 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:20:05,351 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2024-09-22 18:20:05,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:20:05,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:20:05,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:20:05,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:20:05,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:20:05,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:20:05,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-22 18:20:05,609 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 [2024-09-22 18:20:05,610 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 18:20:05,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:20:05,610 INFO L85 PathProgramCache]: Analyzing trace with hash 920869697, now seen corresponding path program 1 times [2024-09-22 18:20:05,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:20:05,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385123426] [2024-09-22 18:20:05,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:20:05,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:20:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:20:07,469 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:20:07,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:20:07,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385123426] [2024-09-22 18:20:07,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385123426] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:20:07,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143714672] [2024-09-22 18:20:07,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:20:07,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:20:07,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:20:07,471 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) [2024-09-22 18:20:07,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-22 18:20:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:20:07,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-09-22 18:20:07,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:20:07,897 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:20:07,898 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:20:15,061 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:20:15,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143714672] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:20:15,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:20:15,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 24 [2024-09-22 18:20:15,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373376636] [2024-09-22 18:20:15,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:20:15,063 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-09-22 18:20:15,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:20:15,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-09-22 18:20:15,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=460, Unknown=0, NotChecked=0, Total=650 [2024-09-22 18:20:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:20:15,064 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:20:15,064 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 1.44) internal successors, (36), 25 states have internal predecessors, (36), 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) [2024-09-22 18:20:15,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:20:15,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:20:15,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:20:15,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:20:27,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:20:27,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:20:27,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:20:27,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 18:20:27,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-09-22 18:20:27,944 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 [2024-09-22 18:20:27,944 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 18:20:27,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:20:27,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1053994849, now seen corresponding path program 2 times [2024-09-22 18:20:27,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:20:27,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153140838] [2024-09-22 18:20:27,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:20:27,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:20:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:20:29,879 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:20:29,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:20:29,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153140838] [2024-09-22 18:20:29,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153140838] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:20:29,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951819977] [2024-09-22 18:20:29,880 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 18:20:29,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:20:29,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:20:29,882 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) [2024-09-22 18:20:29,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-22 18:20:29,983 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-22 18:20:29,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:20:29,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-09-22 18:20:29,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:20:30,360 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-09-22 18:20:30,360 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-22 18:20:30,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951819977] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 18:20:30,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-22 18:20:30,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 19 [2024-09-22 18:20:30,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994358735] [2024-09-22 18:20:30,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 18:20:30,361 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-22 18:20:30,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:20:30,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-22 18:20:30,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2024-09-22 18:20:30,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:20:30,362 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:20:30,362 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2024-09-22 18:20:30,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:20:30,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:20:30,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:20:30,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 18:20:30,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:20:30,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:20:30,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:20:30,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:20:30,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 18:20:30,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:20:30,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-22 18:20:30,608 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 [2024-09-22 18:20:30,608 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 18:20:30,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:20:30,608 INFO L85 PathProgramCache]: Analyzing trace with hash 931994027, now seen corresponding path program 1 times [2024-09-22 18:20:30,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:20:30,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144876408] [2024-09-22 18:20:30,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:20:30,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:20:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:20:32,518 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:20:32,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:20:32,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144876408] [2024-09-22 18:20:32,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144876408] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:20:32,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609257800] [2024-09-22 18:20:32,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:20:32,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:20:32,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:20:32,520 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) [2024-09-22 18:20:32,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-22 18:20:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:20:32,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-09-22 18:20:32,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:20:33,100 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:20:33,101 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:20:40,912 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:20:40,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609257800] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:20:40,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:20:40,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 45 [2024-09-22 18:20:40,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777991086] [2024-09-22 18:20:40,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:20:40,913 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-09-22 18:20:40,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:20:40,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-09-22 18:20:40,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=679, Invalid=1483, Unknown=0, NotChecked=0, Total=2162 [2024-09-22 18:20:40,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:20:40,915 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:20:40,915 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 46 states have internal predecessors, (57), 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) [2024-09-22 18:20:40,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:20:40,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:20:40,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:20:40,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 18:20:40,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:20:40,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:21:09,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:21:09,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:21:09,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:21:09,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 18:21:09,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:21:09,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-22 18:21:09,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-09-22 18:21:09,423 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 [2024-09-22 18:21:09,423 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 18:21:09,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:21:09,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1443937941, now seen corresponding path program 2 times [2024-09-22 18:21:09,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:21:09,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963363208] [2024-09-22 18:21:09,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:21:09,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:21:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:21:12,237 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:21:12,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:21:12,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963363208] [2024-09-22 18:21:12,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963363208] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:21:12,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297793808] [2024-09-22 18:21:12,238 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 18:21:12,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:21:12,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:21:12,242 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) [2024-09-22 18:21:12,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-22 18:21:12,385 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-22 18:21:12,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:21:12,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-09-22 18:21:12,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:21:12,863 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-09-22 18:21:12,863 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-22 18:21:12,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297793808] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 18:21:12,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-22 18:21:12,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [28] total 32 [2024-09-22 18:21:12,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512753396] [2024-09-22 18:21:12,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 18:21:12,865 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-22 18:21:12,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:21:12,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-22 18:21:12,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=795, Unknown=0, NotChecked=0, Total=1122 [2024-09-22 18:21:12,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:21:12,866 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:21:12,866 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 18:21:12,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:21:12,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:21:12,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:21:12,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 18:21:12,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:21:12,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-09-22 18:21:12,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:21:14,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:21:14,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:21:14,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:21:14,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 18:21:14,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:21:14,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-22 18:21:14,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:14,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-09-22 18:21:14,739 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 [2024-09-22 18:21:14,740 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 18:21:14,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:21:14,740 INFO L85 PathProgramCache]: Analyzing trace with hash -2019461987, now seen corresponding path program 1 times [2024-09-22 18:21:14,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:21:14,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449461144] [2024-09-22 18:21:14,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:21:14,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:21:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:21:14,894 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-09-22 18:21:14,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:21:14,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449461144] [2024-09-22 18:21:14,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449461144] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 18:21:14,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 18:21:14,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-22 18:21:14,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376734551] [2024-09-22 18:21:14,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 18:21:14,896 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 18:21:14,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:21:14,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 18:21:14,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 18:21:14,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:21:14,898 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:21:14,898 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 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) [2024-09-22 18:21:14,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:21:14,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:21:14,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:21:14,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 18:21:14,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:21:14,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-09-22 18:21:14,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:14,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:21:15,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:21:15,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:21:15,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:21:15,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 18:21:15,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:21:15,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-22 18:21:15,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:15,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:15,076 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-22 18:21:15,076 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 18:21:15,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:21:15,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1253127401, now seen corresponding path program 1 times [2024-09-22 18:21:15,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:21:15,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929970648] [2024-09-22 18:21:15,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:21:15,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:21:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:21:15,403 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-09-22 18:21:15,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:21:15,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929970648] [2024-09-22 18:21:15,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929970648] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:21:15,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083229130] [2024-09-22 18:21:15,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:21:15,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:21:15,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:21:15,405 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) [2024-09-22 18:21:15,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-22 18:21:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:21:15,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-22 18:21:15,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:21:15,620 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-09-22 18:21:15,620 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-22 18:21:15,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083229130] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 18:21:15,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-22 18:21:15,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-09-22 18:21:15,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146634317] [2024-09-22 18:21:15,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 18:21:15,621 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-22 18:21:15,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:21:15,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-22 18:21:15,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-09-22 18:21:15,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:21:15,622 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:21:15,622 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-09-22 18:21:15,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:21:15,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:21:15,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:21:15,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 18:21:15,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:21:15,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-09-22 18:21:15,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:15,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:15,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:21:15,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:21:15,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:21:15,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:21:15,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 18:21:15,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:21:15,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-22 18:21:15,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:15,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:21:15,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-22 18:21:15,935 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:21:15,936 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 18:21:15,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:21:15,936 INFO L85 PathProgramCache]: Analyzing trace with hash 447271123, now seen corresponding path program 2 times [2024-09-22 18:21:15,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:21:15,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340600468] [2024-09-22 18:21:15,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:21:15,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:21:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:21:16,138 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2024-09-22 18:21:16,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:21:16,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340600468] [2024-09-22 18:21:16,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340600468] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 18:21:16,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 18:21:16,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-22 18:21:16,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610480049] [2024-09-22 18:21:16,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 18:21:16,139 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 18:21:16,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:21:16,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 18:21:16,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 18:21:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:21:16,139 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:21:16,139 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2024-09-22 18:21:16,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:21:16,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:21:16,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:21:16,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 18:21:16,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:21:16,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-09-22 18:21:16,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:16,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:16,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:21:16,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:21:16,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:21:16,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:21:16,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:21:16,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 18:21:16,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:21:16,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-22 18:21:16,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:16,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:16,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:21:16,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:16,314 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-22 18:21:16,314 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 18:21:16,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:21:16,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1269642015, now seen corresponding path program 1 times [2024-09-22 18:21:16,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:21:16,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118974172] [2024-09-22 18:21:16,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:21:16,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:21:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:21:16,562 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-09-22 18:21:16,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:21:16,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118974172] [2024-09-22 18:21:16,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118974172] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:21:16,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258437763] [2024-09-22 18:21:16,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:21:16,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:21:16,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:21:16,564 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) [2024-09-22 18:21:16,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-22 18:21:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:21:16,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-22 18:21:16,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:21:16,762 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-09-22 18:21:16,762 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:21:16,828 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-09-22 18:21:16,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258437763] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:21:16,828 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:21:16,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-09-22 18:21:16,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198908098] [2024-09-22 18:21:16,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:21:16,829 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-22 18:21:16,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:21:16,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-22 18:21:16,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-09-22 18:21:16,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:21:16,830 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:21:16,830 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 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) [2024-09-22 18:21:16,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:21:16,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:21:16,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:21:16,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 18:21:16,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:21:16,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-09-22 18:21:16,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:16,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:16,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:21:16,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:16,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:21:17,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:21:17,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:21:17,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:21:17,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 18:21:17,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:21:17,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-22 18:21:17,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:17,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:17,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:21:17,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:17,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:21:17,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-09-22 18:21:17,219 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:21:17,219 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 18:21:17,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:21:17,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1956616093, now seen corresponding path program 2 times [2024-09-22 18:21:17,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:21:17,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182103533] [2024-09-22 18:21:17,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:21:17,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:21:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:21:32,712 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-09-22 18:21:32,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:21:32,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182103533] [2024-09-22 18:21:32,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182103533] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:21:32,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972027681] [2024-09-22 18:21:32,713 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 18:21:32,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:21:32,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:21:32,716 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) [2024-09-22 18:21:32,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-22 18:21:32,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 18:21:32,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:21:32,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 111 conjuncts are in the unsatisfiable core [2024-09-22 18:21:32,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:21:33,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-09-22 18:21:35,228 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 262 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 18:21:35,228 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:21:42,397 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 18:21:42,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 308 treesize of output 312 [2024-09-22 18:21:42,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 11 [2024-09-22 18:21:42,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 4 [2024-09-22 18:21:42,547 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-22 18:21:42,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 37 [2024-09-22 18:21:42,574 INFO L349 Elim1Store]: treesize reduction 5, result has 87.8 percent of original size [2024-09-22 18:21:42,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 171 [2024-09-22 18:21:42,675 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 18:21:42,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 231 treesize of output 241 [2024-09-22 18:21:42,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 36 treesize of output 30 [2024-09-22 18:21:43,312 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 18:21:43,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 17 [2024-09-22 18:21:43,325 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 18:21:43,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 34 [2024-09-22 18:21:43,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 10 [2024-09-22 18:21:43,430 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 18:21:43,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 1723 treesize of output 1787 [2024-09-22 18:21:49,732 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:49,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2024-09-22 18:21:49,783 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:49,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-22 18:21:49,794 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:49,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 40 [2024-09-22 18:21:49,808 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:49,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-22 18:21:49,825 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:49,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-22 18:21:49,844 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:49,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 40 [2024-09-22 18:21:49,855 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:49,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-22 18:21:49,871 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-09-22 18:21:49,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 1 [2024-09-22 18:21:49,884 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-09-22 18:21:49,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 1 [2024-09-22 18:21:49,893 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-09-22 18:21:49,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 1 [2024-09-22 18:21:49,899 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-09-22 18:21:49,908 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:49,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 40 [2024-09-22 18:21:49,918 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:49,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-22 18:21:49,929 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:49,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-22 18:21:49,947 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-09-22 18:21:49,952 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-09-22 18:21:49,973 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-09-22 18:21:49,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 37 [2024-09-22 18:21:49,988 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-09-22 18:21:49,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 31 [2024-09-22 18:21:50,012 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-09-22 18:21:50,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 37 [2024-09-22 18:21:50,026 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-09-22 18:21:50,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 1 [2024-09-22 18:21:50,043 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:50,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 40 [2024-09-22 18:21:50,060 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:50,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-22 18:21:50,071 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:50,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2024-09-22 18:21:50,085 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:50,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-22 18:21:50,103 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-09-22 18:21:50,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 1 [2024-09-22 18:21:50,121 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:50,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2024-09-22 18:21:50,136 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:50,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2024-09-22 18:21:50,160 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:50,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-22 18:21:50,179 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:50,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2024-09-22 18:21:50,193 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:50,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-22 18:21:50,207 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:50,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 40 [2024-09-22 18:21:50,224 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:50,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-22 18:21:50,237 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:50,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 40 [2024-09-22 18:21:50,252 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:50,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2024-09-22 18:21:50,268 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:50,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-22 18:21:50,283 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:50,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2024-09-22 18:21:50,298 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:50,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-22 18:21:50,312 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:50,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 40 [2024-09-22 18:21:50,326 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:50,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-22 18:21:50,343 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:50,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2024-09-22 18:21:50,446 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-22 18:21:50,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 157 treesize of output 130 [2024-09-22 18:21:50,493 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-22 18:21:50,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-09-22 18:21:50,513 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-22 18:21:50,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-09-22 18:21:50,531 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-22 18:21:50,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-09-22 18:21:50,595 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-22 18:21:50,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-09-22 18:21:50,612 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-22 18:21:50,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-09-22 18:21:50,636 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-22 18:21:50,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 11 [2024-09-22 18:21:50,648 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-22 18:21:50,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-09-22 18:21:50,667 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-22 18:21:50,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-09-22 18:21:50,682 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-22 18:21:50,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-09-22 18:21:50,703 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-22 18:21:50,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-09-22 18:21:50,716 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-22 18:21:50,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 7 [2024-09-22 18:21:50,726 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-09-22 18:21:50,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 1 [2024-09-22 18:21:50,734 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-09-22 18:21:50,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 1 [2024-09-22 18:21:51,131 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 18:21:51,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 50 [2024-09-22 18:21:51,182 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 18:21:51,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 803 treesize of output 831 [2024-09-22 18:21:52,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 11 [2024-09-22 18:21:52,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 11 [2024-09-22 18:21:52,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 11 [2024-09-22 18:21:52,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 23 treesize of output 17 [2024-09-22 18:21:52,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 4 [2024-09-22 18:21:52,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 11 [2024-09-22 18:21:54,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 11 [2024-09-22 18:21:54,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 11 [2024-09-22 18:21:54,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 11 [2024-09-22 18:21:54,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 11 [2024-09-22 18:21:56,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 11 [2024-09-22 18:21:56,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 11 [2024-09-22 18:21:56,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 11 [2024-09-22 18:21:56,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 11 [2024-09-22 18:21:57,199 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:57,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 22 [2024-09-22 18:21:57,207 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 18:21:57,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2024-09-22 18:21:57,217 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-22 18:21:57,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 41 [2024-09-22 18:21:57,232 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-09-22 18:21:57,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 454 treesize of output 1 [2024-09-22 18:21:57,702 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-09-22 18:21:57,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972027681] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:21:57,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:21:57,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 39, 18] total 86 [2024-09-22 18:21:57,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014267881] [2024-09-22 18:21:57,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:21:57,703 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-09-22 18:21:57,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:21:57,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-09-22 18:21:57,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=712, Invalid=6770, Unknown=0, NotChecked=0, Total=7482 [2024-09-22 18:21:57,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:21:57,707 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:21:57,707 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 2.1494252873563218) internal successors, (187), 86 states have internal predecessors, (187), 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) [2024-09-22 18:21:57,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:21:57,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:21:57,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:21:57,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-22 18:21:57,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:21:57,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-09-22 18:21:57,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:57,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:57,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:21:57,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:21:57,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:21:57,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:22:07,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:22:07,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:22:07,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:22:07,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-22 18:22:07,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:22:07,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-22 18:22:07,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:22:07,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:22:07,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:22:07,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 18:22:07,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 18:22:07,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-09-22 18:22:07,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-09-22 18:22:08,114 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,SelfDestructingSolverStorable11 [2024-09-22 18:22:08,115 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-22 18:22:08,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:22:08,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1862999327, now seen corresponding path program 3 times [2024-09-22 18:22:08,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:22:08,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078512404] [2024-09-22 18:22:08,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:22:08,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:22:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat