./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-prod-cons3.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee 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-prod-cons3.wvr.c ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-prod-cons3.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-13 17:31:54,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 17:31:54,467 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-13 17:31:54,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 17:31:54,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 17:31:54,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 17:31:54,496 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 17:31:54,496 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 17:31:54,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 17:31:54,497 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 17:31:54,498 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 17:31:54,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 17:31:54,498 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 17:31:54,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 17:31:54,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 17:31:54,499 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 17:31:54,500 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-13 17:31:54,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 17:31:54,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 17:31:54,500 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 17:31:54,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 17:31:54,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 17:31:54,506 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 17:31:54,506 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 17:31:54,506 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 17:31:54,506 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 17:31:54,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 17:31:54,507 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 17:31:54,507 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 17:31:54,507 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 17:31:54,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 17:31:54,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 17:31:54,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 17:31:54,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 17:31:54,508 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-13 17:31:54,508 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 17:31:54,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-13 17:31:54,509 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 17:31:54,509 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 17:31:54,511 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 17:31:54,511 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 17:31:54,511 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 17:31:54,512 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-13 17:31:54,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 17:31:54,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 17:31:54,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 17:31:54,822 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 17:31:54,822 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 17:31:54,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2024-08-13 17:31:56,242 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 17:31:56,420 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 17:31:56,421 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2024-08-13 17:31:56,428 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/982dbccba/7879b1e2adab4bf7807725011dcb3b09/FLAG72162e647 [2024-08-13 17:31:56,439 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/982dbccba/7879b1e2adab4bf7807725011dcb3b09 [2024-08-13 17:31:56,441 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 17:31:56,442 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 17:31:56,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-prod-cons3.wvr.yml/witness.yml [2024-08-13 17:31:56,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 17:31:56,563 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 17:31:56,564 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 17:31:56,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 17:31:56,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 17:31:56,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 05:31:56" (1/2) ... [2024-08-13 17:31:56,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3031b973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:31:56, skipping insertion in model container [2024-08-13 17:31:56,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 05:31:56" (1/2) ... [2024-08-13 17:31:56,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@36db9539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:31:56, skipping insertion in model container [2024-08-13 17:31:56,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 05:31:56" (2/2) ... [2024-08-13 17:31:56,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3031b973 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:31:56, skipping insertion in model container [2024-08-13 17:31:56,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 05:31:56" (2/2) ... [2024-08-13 17:31:56,576 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-13 17:31:56,603 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 17:31:56,604 INFO L97 edCorrectnessWitness]: Location invariant before [L144-L144] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-08-13 17:31:56,606 INFO L97 edCorrectnessWitness]: Location invariant before [L143-L143] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-08-13 17:31:56,607 INFO L97 edCorrectnessWitness]: Location invariant before [L142-L142] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-08-13 17:31:56,607 INFO L97 edCorrectnessWitness]: Location invariant before [L141-L141] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-08-13 17:31:56,607 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-13 17:31:56,608 INFO L106 edCorrectnessWitness]: ghost_update [L140-L140] multithreaded = 1; [2024-08-13 17:31:56,629 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 17:31:56,898 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c[4059,4072] [2024-08-13 17:31:56,907 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 17:31:56,914 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-13 17:31:57,099 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c[4059,4072] [2024-08-13 17:31:57,107 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 17:31:57,127 INFO L206 MainTranslator]: Completed translation [2024-08-13 17:31:57,127 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:31:57 WrapperNode [2024-08-13 17:31:57,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 17:31:57,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-13 17:31:57,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-13 17:31:57,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-13 17:31:57,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:31:57" (1/1) ... [2024-08-13 17:31:57,152 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:31:57" (1/1) ... [2024-08-13 17:31:57,212 INFO L138 Inliner]: procedures = 25, calls = 53, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 263 [2024-08-13 17:31:57,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-13 17:31:57,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-13 17:31:57,214 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-13 17:31:57,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-13 17:31:57,226 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:31:57" (1/1) ... [2024-08-13 17:31:57,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:31:57" (1/1) ... [2024-08-13 17:31:57,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:31:57" (1/1) ... [2024-08-13 17:31:57,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:31:57" (1/1) ... [2024-08-13 17:31:57,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:31:57" (1/1) ... [2024-08-13 17:31:57,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:31:57" (1/1) ... [2024-08-13 17:31:57,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:31:57" (1/1) ... [2024-08-13 17:31:57,277 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:31:57" (1/1) ... [2024-08-13 17:31:57,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-13 17:31:57,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-13 17:31:57,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-13 17:31:57,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-13 17:31:57,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:31:57" (1/1) ... [2024-08-13 17:31:57,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 17:31:57,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:31:57,317 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) [2024-08-13 17:31:57,319 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 [2024-08-13 17:31:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-13 17:31:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-13 17:31:57,344 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-13 17:31:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-13 17:31:57,344 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-13 17:31:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-13 17:31:57,344 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-13 17:31:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-08-13 17:31:57,344 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-08-13 17:31:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-13 17:31:57,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-13 17:31:57,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-13 17:31:57,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-13 17:31:57,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-13 17:31:57,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-13 17:31:57,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-13 17:31:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-13 17:31:57,348 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-13 17:31:57,452 INFO L244 CfgBuilder]: Building ICFG [2024-08-13 17:31:57,454 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-13 17:31:57,953 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-13 17:31:57,954 INFO L293 CfgBuilder]: Performing block encoding [2024-08-13 17:31:58,270 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-13 17:31:58,271 INFO L320 CfgBuilder]: Removed 5 assume(true) statements. [2024-08-13 17:31:58,271 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 05:31:58 BoogieIcfgContainer [2024-08-13 17:31:58,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-13 17:31:58,275 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-13 17:31:58,275 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-13 17:31:58,278 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-13 17:31:58,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 05:31:56" (1/4) ... [2024-08-13 17:31:58,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c96f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 05:31:58, skipping insertion in model container [2024-08-13 17:31:58,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 05:31:56" (2/4) ... [2024-08-13 17:31:58,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c96f67 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.08 05:31:58, skipping insertion in model container [2024-08-13 17:31:58,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:31:57" (3/4) ... [2024-08-13 17:31:58,281 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c96f67 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.08 05:31:58, skipping insertion in model container [2024-08-13 17:31:58,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 05:31:58" (4/4) ... [2024-08-13 17:31:58,283 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons3.wvr.c [2024-08-13 17:31:58,300 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-13 17:31:58,300 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-08-13 17:31:58,300 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-13 17:31:58,380 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-08-13 17:31:58,420 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 17:31:58,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-13 17:31:58,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:31:58,424 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) [2024-08-13 17:31:58,430 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 [2024-08-13 17:31:58,466 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-13 17:31:58,478 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-13 17:31:58,485 INFO L357 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, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@46dc47ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 17:31:58,486 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-08-13 17:31:58,730 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-13 17:31:58,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:31:58,735 INFO L85 PathProgramCache]: Analyzing trace with hash 48215458, now seen corresponding path program 1 times [2024-08-13 17:31:58,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:31:58,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603249447] [2024-08-13 17:31:58,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:31:58,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:31:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:32:00,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 17:32:00,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:32:00,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603249447] [2024-08-13 17:32:00,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603249447] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 17:32:00,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 17:32:00,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-13 17:32:00,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053530242] [2024-08-13 17:32:00,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 17:32:00,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-13 17:32:00,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:32:00,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-13 17:32:00,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-13 17:32:00,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:32:00,585 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:32:00,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 17:32:00,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:32:00,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:00,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-13 17:32:00,649 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-13 17:32:00,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:32:00,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1373839255, now seen corresponding path program 1 times [2024-08-13 17:32:00,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:32:00,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417578251] [2024-08-13 17:32:00,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:32:00,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:32:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:32:02,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 17:32:02,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:32:02,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417578251] [2024-08-13 17:32:02,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417578251] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 17:32:02,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118712724] [2024-08-13 17:32:02,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:32:02,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:32:02,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:32:02,149 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) [2024-08-13 17:32:02,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-13 17:32:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:32:02,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 28 conjunts are in the unsatisfiable core [2024-08-13 17:32:02,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:32:02,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 17:32:02,610 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 17:32:07,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 17:32:07,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118712724] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 17:32:07,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 17:32:07,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 11 [2024-08-13 17:32:07,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283267605] [2024-08-13 17:32:07,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 17:32:07,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-08-13 17:32:07,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:32:07,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-08-13 17:32:07,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-08-13 17:32:07,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:32:07,355 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:32:07,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 17:32:07,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:07,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:32:08,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:08,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:32:08,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-13 17:32:08,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-08-13 17:32:08,356 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-13 17:32:08,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:32:08,357 INFO L85 PathProgramCache]: Analyzing trace with hash 2117578594, now seen corresponding path program 2 times [2024-08-13 17:32:08,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:32:08,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628865356] [2024-08-13 17:32:08,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:32:08,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:32:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:32:10,027 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 17:32:10,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:32:10,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628865356] [2024-08-13 17:32:10,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628865356] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 17:32:10,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873185207] [2024-08-13 17:32:10,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-13 17:32:10,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:32:10,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:32:10,030 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) [2024-08-13 17:32:10,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-13 17:32:10,106 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-13 17:32:10,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 17:32:10,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 25 conjunts are in the unsatisfiable core [2024-08-13 17:32:10,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:32:10,446 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-13 17:32:10,446 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-13 17:32:10,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873185207] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 17:32:10,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-13 17:32:10,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 10 [2024-08-13 17:32:10,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115337813] [2024-08-13 17:32:10,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 17:32:10,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-13 17:32:10,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:32:10,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-13 17:32:10,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-08-13 17:32:10,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:32:10,449 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:32:10,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 17:32:10,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:10,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:32:10,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:32:10,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:10,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:32:10,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:10,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-08-13 17:32:10,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:32:10,681 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-13 17:32:10,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:32:10,682 INFO L85 PathProgramCache]: Analyzing trace with hash -760587798, now seen corresponding path program 1 times [2024-08-13 17:32:10,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:32:10,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178576257] [2024-08-13 17:32:10,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:32:10,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:32:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:32:12,273 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 17:32:12,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:32:12,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178576257] [2024-08-13 17:32:12,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178576257] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 17:32:12,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426833437] [2024-08-13 17:32:12,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:32:12,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:32:12,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:32:12,275 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) [2024-08-13 17:32:12,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-13 17:32:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:32:12,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 36 conjunts are in the unsatisfiable core [2024-08-13 17:32:12,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:32:12,811 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 17:32:12,812 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 17:32:20,291 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 17:32:20,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426833437] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 17:32:20,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 17:32:20,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-08-13 17:32:20,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651184127] [2024-08-13 17:32:20,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 17:32:20,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-08-13 17:32:20,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:32:20,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-08-13 17:32:20,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2024-08-13 17:32:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:32:20,295 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:32:20,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 23 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 17:32:20,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:20,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:32:20,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:20,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:32:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:32:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:32:31,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-08-13 17:32:31,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:32:31,396 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-13 17:32:31,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:32:31,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1697192778, now seen corresponding path program 2 times [2024-08-13 17:32:31,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:32:31,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862454236] [2024-08-13 17:32:31,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:32:31,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:32:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:32:33,831 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 17:32:33,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:32:33,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862454236] [2024-08-13 17:32:33,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862454236] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 17:32:33,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777266742] [2024-08-13 17:32:33,832 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-13 17:32:33,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:32:33,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:32:33,834 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) [2024-08-13 17:32:33,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-13 17:32:33,913 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-13 17:32:33,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 17:32:33,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 25 conjunts are in the unsatisfiable core [2024-08-13 17:32:33,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:32:34,310 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-08-13 17:32:34,310 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-13 17:32:34,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777266742] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 17:32:34,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-13 17:32:34,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 17 [2024-08-13 17:32:34,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796484284] [2024-08-13 17:32:34,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 17:32:34,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-13 17:32:34,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:32:34,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-13 17:32:34,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2024-08-13 17:32:34,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:32:34,312 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:32:34,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 17:32:34,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:34,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:32:34,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:34,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:32:34,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:32:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:32:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:32:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:35,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-08-13 17:32:35,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:32:35,502 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-13 17:32:35,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:32:35,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1904288491, now seen corresponding path program 1 times [2024-08-13 17:32:35,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:32:35,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937645468] [2024-08-13 17:32:35,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:32:35,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:32:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:32:35,718 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-08-13 17:32:35,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:32:35,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937645468] [2024-08-13 17:32:35,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937645468] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 17:32:35,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 17:32:35,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-13 17:32:35,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267133671] [2024-08-13 17:32:35,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 17:32:35,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-13 17:32:35,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:32:35,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-13 17:32:35,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-13 17:32:35,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:32:35,720 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:32:35,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-08-13 17:32:35,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:35,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:32:35,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:35,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:32:35,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:35,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:32:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:32:35,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:35,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:32:35,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:35,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:35,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-13 17:32:35,997 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-13 17:32:35,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:32:35,997 INFO L85 PathProgramCache]: Analyzing trace with hash -364933617, now seen corresponding path program 1 times [2024-08-13 17:32:35,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:32:35,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044027545] [2024-08-13 17:32:35,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:32:35,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:32:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:32:36,243 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-08-13 17:32:36,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:32:36,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044027545] [2024-08-13 17:32:36,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044027545] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 17:32:36,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546313627] [2024-08-13 17:32:36,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:32:36,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:32:36,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:32:36,246 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) [2024-08-13 17:32:36,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-13 17:32:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:32:36,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 4 conjunts are in the unsatisfiable core [2024-08-13 17:32:36,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:32:36,457 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-08-13 17:32:36,457 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-13 17:32:36,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546313627] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 17:32:36,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-13 17:32:36,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-08-13 17:32:36,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435393564] [2024-08-13 17:32:36,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 17:32:36,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-13 17:32:36,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:32:36,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-13 17:32:36,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-08-13 17:32:36,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:32:36,459 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:32:36,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 17:32:36,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:32:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:32:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:32:36,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:36,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:32:36,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:36,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:32:36,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:36,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:36,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:36,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-08-13 17:32:36,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:32:36,751 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-13 17:32:36,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:32:36,751 INFO L85 PathProgramCache]: Analyzing trace with hash 207649526, now seen corresponding path program 2 times [2024-08-13 17:32:36,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:32:36,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903860688] [2024-08-13 17:32:36,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:32:36,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:32:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:32:37,174 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-08-13 17:32:37,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:32:37,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903860688] [2024-08-13 17:32:37,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903860688] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 17:32:37,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122816690] [2024-08-13 17:32:37,175 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-13 17:32:37,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:32:37,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:32:37,178 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) [2024-08-13 17:32:37,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-08-13 17:32:37,306 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-13 17:32:37,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 17:32:37,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 7 conjunts are in the unsatisfiable core [2024-08-13 17:32:37,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:32:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-08-13 17:32:37,454 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 17:32:37,581 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-08-13 17:32:37,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122816690] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 17:32:37,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 17:32:37,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-08-13 17:32:37,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319442464] [2024-08-13 17:32:37,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 17:32:37,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-13 17:32:37,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:32:37,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-13 17:32:37,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-08-13 17:32:37,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:32:37,583 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:32:37,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 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) [2024-08-13 17:32:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:32:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:32:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:37,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:37,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:32:39,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:39,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:32:39,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:39,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:32:39,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:39,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:39,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:39,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:32:39,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-08-13 17:32:39,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-08-13 17:32:39,382 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-13 17:32:39,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:32:39,383 INFO L85 PathProgramCache]: Analyzing trace with hash 399917185, now seen corresponding path program 3 times [2024-08-13 17:32:39,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:32:39,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574562379] [2024-08-13 17:32:39,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:32:39,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:32:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:32:39,667 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-08-13 17:32:39,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:32:39,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574562379] [2024-08-13 17:32:39,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574562379] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 17:32:39,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687009243] [2024-08-13 17:32:39,667 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-13 17:32:39,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:32:39,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:32:39,669 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) [2024-08-13 17:32:39,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-13 17:32:39,811 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-08-13 17:32:39,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 17:32:39,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 4 conjunts are in the unsatisfiable core [2024-08-13 17:32:39,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:32:39,878 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-08-13 17:32:39,879 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 17:32:39,936 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-08-13 17:32:39,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687009243] provided 1 perfect and 1 imperfect interpolant sequences [2024-08-13 17:32:39,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-08-13 17:32:39,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 4] total 9 [2024-08-13 17:32:39,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851248722] [2024-08-13 17:32:39,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 17:32:39,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-13 17:32:39,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:32:39,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-13 17:32:39,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-08-13 17:32:39,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:32:39,941 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:32:39,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2024-08-13 17:32:39,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:39,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:32:39,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:39,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:32:39,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:39,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:39,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:39,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:32:39,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:32:40,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:40,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:32:40,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:40,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:32:40,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:40,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:40,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:40,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:32:40,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:40,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-08-13 17:32:41,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:32:41,012 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-13 17:32:41,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:32:41,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1789641793, now seen corresponding path program 4 times [2024-08-13 17:32:41,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:32:41,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216190143] [2024-08-13 17:32:41,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:32:41,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:32:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:32:41,276 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-08-13 17:32:41,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:32:41,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216190143] [2024-08-13 17:32:41,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216190143] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 17:32:41,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949882371] [2024-08-13 17:32:41,277 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-13 17:32:41,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:32:41,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:32:41,279 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) [2024-08-13 17:32:41,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-08-13 17:32:41,468 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-13 17:32:41,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 17:32:41,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-13 17:32:41,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:32:41,578 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-08-13 17:32:41,579 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 17:32:41,711 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-08-13 17:32:41,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949882371] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 17:32:41,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 17:32:41,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-08-13 17:32:41,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23406333] [2024-08-13 17:32:41,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 17:32:41,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-13 17:32:41,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:32:41,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-13 17:32:41,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-08-13 17:32:41,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:32:41,718 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:32:41,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 12 states have internal predecessors, (106), 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) [2024-08-13 17:32:41,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:41,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:32:41,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:41,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:32:41,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:41,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:41,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:41,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:32:41,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:41,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:32:42,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:42,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:32:42,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:42,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:32:42,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:42,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:42,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:42,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:32:42,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:42,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 17:32:42,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-08-13 17:32:42,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-08-13 17:32:42,687 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-13 17:32:42,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:32:42,687 INFO L85 PathProgramCache]: Analyzing trace with hash 630623225, now seen corresponding path program 5 times [2024-08-13 17:32:42,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:32:42,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504244685] [2024-08-13 17:32:42,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:32:42,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:32:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:32:47,822 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 4 proven. 75 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-13 17:32:47,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:32:47,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504244685] [2024-08-13 17:32:47,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504244685] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 17:32:47,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824743528] [2024-08-13 17:32:47,823 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-13 17:32:47,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:32:47,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:32:47,825 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) [2024-08-13 17:32:47,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-08-13 17:32:48,009 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-08-13 17:32:48,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 17:32:48,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 59 conjunts are in the unsatisfiable core [2024-08-13 17:32:48,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:32:49,393 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-13 17:32:49,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2024-08-13 17:32:49,817 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 1 proven. 75 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-13 17:32:49,818 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 17:32:50,903 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-13 17:32:50,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 111 [2024-08-13 17:32:52,253 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-08-13 17:32:52,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824743528] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 17:32:52,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 17:32:52,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 26, 19] total 71 [2024-08-13 17:32:52,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60607860] [2024-08-13 17:32:52,254 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 17:32:52,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-08-13 17:32:52,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:32:52,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-08-13 17:32:52,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=541, Invalid=4571, Unknown=0, NotChecked=0, Total=5112 [2024-08-13 17:32:52,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:32:52,257 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:32:52,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 2.9722222222222223) internal successors, (214), 71 states have internal predecessors, (214), 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) [2024-08-13 17:32:52,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:52,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:32:52,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:52,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:32:52,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:52,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:32:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:32:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:32:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 17:32:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:33:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:33:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:33:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:33:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:33:15,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:33:15,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:33:15,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:33:15,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:33:15,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:33:15,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 17:33:15,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2024-08-13 17:33:15,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-08-13 17:33:15,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-08-13 17:33:15,732 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-13 17:33:15,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:33:15,733 INFO L85 PathProgramCache]: Analyzing trace with hash -269587262, now seen corresponding path program 1 times [2024-08-13 17:33:15,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:33:15,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254359814] [2024-08-13 17:33:15,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:33:15,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:33:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:33:22,510 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 2 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 17:33:22,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:33:22,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254359814] [2024-08-13 17:33:22,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254359814] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 17:33:22,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294196815] [2024-08-13 17:33:22,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:33:22,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:33:22,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:33:22,512 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 17:33:22,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-08-13 17:33:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:33:22,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 59 conjunts are in the unsatisfiable core [2024-08-13 17:33:22,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:33:23,562 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-13 17:33:23,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2024-08-13 17:33:23,701 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-13 17:33:23,701 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 17:33:26,550 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-13 17:33:26,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 111 [2024-08-13 17:33:27,248 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-08-13 17:33:27,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294196815] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 17:33:27,248 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 17:33:27,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 21, 13] total 65 [2024-08-13 17:33:27,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692709680] [2024-08-13 17:33:27,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 17:33:27,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-08-13 17:33:27,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:33:27,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-08-13 17:33:27,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=3929, Unknown=1, NotChecked=0, Total=4290 [2024-08-13 17:33:27,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:33:27,251 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:33:27,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 3.303030303030303) internal successors, (218), 65 states have internal predecessors, (218), 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) [2024-08-13 17:33:27,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:33:27,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:33:27,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:33:27,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:33:27,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:33:27,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:33:27,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:33:27,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:33:27,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:33:27,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 17:33:27,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2024-08-13 17:33:27,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:33:34,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:33:44,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:33:47,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:33:54,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:33:56,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:34:02,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:34:02,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:34:02,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:34:02,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:34:02,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:34:02,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:34:02,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:34:02,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:34:02,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:34:02,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 17:34:02,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2024-08-13 17:34:02,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-08-13 17:34:02,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-08-13 17:34:03,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:34:03,135 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-13 17:34:03,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:34:03,136 INFO L85 PathProgramCache]: Analyzing trace with hash 2065279297, now seen corresponding path program 6 times [2024-08-13 17:34:03,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:34:03,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855257882] [2024-08-13 17:34:03,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:34:03,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:34:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:34:03,357 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-08-13 17:34:03,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:34:03,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855257882] [2024-08-13 17:34:03,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855257882] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 17:34:03,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 17:34:03,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-13 17:34:03,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214147465] [2024-08-13 17:34:03,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 17:34:03,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-13 17:34:03,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:34:03,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-13 17:34:03,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-13 17:34:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:34:03,361 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:34:03,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-08-13 17:34:03,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:34:03,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:34:03,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:34:03,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:34:03,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:34:03,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:34:03,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:34:03,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:34:03,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:34:03,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 17:34:03,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2024-08-13 17:34:03,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-08-13 17:34:03,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:34:04,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:34:04,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:34:04,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:34:04,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:34:04,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:34:04,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:34:04,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:34:04,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:34:04,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:34:04,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 17:34:04,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2024-08-13 17:34:04,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-08-13 17:34:04,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:34:04,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-08-13 17:34:04,853 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-13 17:34:04,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:34:04,853 INFO L85 PathProgramCache]: Analyzing trace with hash -885860988, now seen corresponding path program 7 times [2024-08-13 17:34:04,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:34:04,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479682291] [2024-08-13 17:34:04,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:34:04,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:34:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:34:20,615 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 6 proven. 141 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-13 17:34:20,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:34:20,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479682291] [2024-08-13 17:34:20,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479682291] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 17:34:20,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258078147] [2024-08-13 17:34:20,616 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-13 17:34:20,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:34:20,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:34:20,620 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 17:34:20,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-08-13 17:34:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:34:20,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 74 conjunts are in the unsatisfiable core [2024-08-13 17:34:20,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:34:22,527 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-13 17:34:22,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 101 [2024-08-13 17:34:22,929 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 138 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-08-13 17:34:22,929 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 17:34:24,750 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-13 17:34:24,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 97 treesize of output 413 [2024-08-13 17:34:43,496 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-08-13 17:34:43,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258078147] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 17:34:43,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 17:34:43,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 27, 20] total 87 [2024-08-13 17:34:43,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022696476] [2024-08-13 17:34:43,497 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 17:34:43,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-08-13 17:34:43,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:34:43,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-08-13 17:34:43,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=457, Invalid=7199, Unknown=0, NotChecked=0, Total=7656 [2024-08-13 17:34:43,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:34:43,501 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:34:43,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 3.0454545454545454) internal successors, (268), 87 states have internal predecessors, (268), 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) [2024-08-13 17:34:43,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:34:43,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:34:43,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:34:43,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:34:43,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:34:43,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:34:43,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:34:43,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:34:43,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:34:43,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 17:34:43,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2024-08-13 17:34:43,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-08-13 17:34:43,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:34:43,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:34:52,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:34:54,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:35:21,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-13 17:35:27,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:35:29,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:35:32,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-08-13 17:35:45,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:35:47,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:35:49,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:35:57,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:36:00,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:36:02,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:36:27,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:36:32,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:36:35,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:36:48,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:36:48,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:36:48,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:36:48,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:36:48,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:36:48,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:36:48,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:36:48,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:36:48,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:36:48,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 17:36:48,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2024-08-13 17:36:48,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-08-13 17:36:48,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:36:48,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-08-13 17:36:48,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-08-13 17:36:48,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-08-13 17:36:48,655 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-13 17:36:48,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:36:48,655 INFO L85 PathProgramCache]: Analyzing trace with hash 802159373, now seen corresponding path program 2 times [2024-08-13 17:36:48,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:36:48,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694653896] [2024-08-13 17:36:48,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:36:48,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:36:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:37:19,410 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 17:37:19,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:37:19,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694653896] [2024-08-13 17:37:19,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694653896] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 17:37:19,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193645204] [2024-08-13 17:37:19,411 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-13 17:37:19,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:37:19,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:37:19,412 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 17:37:19,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-08-13 17:37:19,576 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-13 17:37:19,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 17:37:19,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 83 conjunts are in the unsatisfiable core [2024-08-13 17:37:19,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:37:23,023 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-13 17:37:23,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 101 [2024-08-13 17:37:23,800 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 149 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-13 17:37:23,800 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 17:37:26,826 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-13 17:37:26,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 97 treesize of output 413 [2024-08-13 17:37:59,806 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-08-13 17:37:59,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193645204] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 17:37:59,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 17:37:59,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 29, 20] total 91 [2024-08-13 17:37:59,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991703506] [2024-08-13 17:37:59,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 17:37:59,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2024-08-13 17:37:59,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:37:59,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2024-08-13 17:37:59,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=421, Invalid=7951, Unknown=0, NotChecked=0, Total=8372 [2024-08-13 17:37:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:37:59,810 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:37:59,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 2.8260869565217392) internal successors, (260), 91 states have internal predecessors, (260), 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) [2024-08-13 17:37:59,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:37:59,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:37:59,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:37:59,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:37:59,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:37:59,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:37:59,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:37:59,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:37:59,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:37:59,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 17:37:59,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2024-08-13 17:37:59,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-08-13 17:37:59,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:37:59,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-08-13 17:37:59,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:38:14,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:38:26,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:38:28,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:38:37,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-13 17:38:42,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-08-13 17:38:44,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-08-13 17:38:59,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:39:19,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:39:37,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:39:47,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:40:48,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-13 17:41:07,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-13 17:41:24,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:41:24,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:41:24,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:41:24,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 17:41:24,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:41:24,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:41:24,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:41:24,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:41:24,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:41:24,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 17:41:24,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-08-13 17:41:24,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-08-13 17:41:24,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:41:24,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 289 states. [2024-08-13 17:41:24,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 329 states. [2024-08-13 17:41:24,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-08-13 17:41:24,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-08-13 17:41:24,222 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-13 17:41:24,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:41:24,222 INFO L85 PathProgramCache]: Analyzing trace with hash 551525850, now seen corresponding path program 8 times [2024-08-13 17:41:24,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:41:24,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274478815] [2024-08-13 17:41:24,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:41:24,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:41:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Killed by 15