./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/parallel-ticket-8.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/parallel-ticket-8.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 08:50:46,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 08:50:46,551 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 08:50:46,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 08:50:46,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 08:50:46,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 08:50:46,584 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 08:50:46,585 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 08:50:46,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 08:50:46,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 08:50:46,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 08:50:46,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 08:50:46,588 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 08:50:46,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 08:50:46,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 08:50:46,591 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 08:50:46,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 08:50:46,591 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 08:50:46,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 08:50:46,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 08:50:46,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 08:50:46,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 08:50:46,596 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 08:50:46,596 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 08:50:46,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 08:50:46,596 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 08:50:46,597 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 08:50:46,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 08:50:46,597 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 08:50:46,597 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 08:50:46,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 08:50:46,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 08:50:46,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 08:50:46,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 08:50:46,598 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 08:50:46,598 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 08:50:46,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 08:50:46,599 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 08:50:46,599 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 08:50:46,600 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 08:50:46,600 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 08:50:46,601 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 08:50:46,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 08:50:46,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 08:50:46,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 08:50:46,890 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 08:50:46,891 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 08:50:46,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/parallel-ticket-8.wvr.yml/witness.yml [2024-09-08 08:50:46,998 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 08:50:46,998 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 08:50:46,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2024-09-08 08:50:48,437 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 08:50:48,629 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 08:50:48,630 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2024-09-08 08:50:48,638 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/295bd5745/6df66ce9d78c456ab47870e71348fa40/FLAG1ace56a19 [2024-09-08 08:50:48,652 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/295bd5745/6df66ce9d78c456ab47870e71348fa40 [2024-09-08 08:50:48,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 08:50:48,656 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 08:50:48,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 08:50:48,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 08:50:48,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 08:50:48,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:50:46" (1/2) ... [2024-09-08 08:50:48,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a051b1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:50:48, skipping insertion in model container [2024-09-08 08:50:48,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:50:46" (1/2) ... [2024-09-08 08:50:48,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a06affc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:50:48, skipping insertion in model container [2024-09-08 08:50:48,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:50:48" (2/2) ... [2024-09-08 08:50:48,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a051b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:50:48, skipping insertion in model container [2024-09-08 08:50:48,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:50:48" (2/2) ... [2024-09-08 08:50:48,684 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 08:50:48,685 INFO L1541 ArrayList]: Location invariant before [L221-L221] ! multithreaded || ((((((((((((((((((((((((((2147483647LL + (long long )b) + (long long )s >= 0LL && (2147483647LL + (long long )b) + (long long )x >= 0LL) && (4294967294LL + (long long )s) + (long long )x >= 0LL) && (4294967295LL + (long long )m2) + (long long )s >= 0LL) && (4294967295LL + (long long )m2) + (long long )x >= 0LL) && (4294967295LL + (long long )m3) + (long long )s >= 0LL) && (4294967295LL + (long long )m3) + (long long )x >= 0LL) && (4294967295LL + (long long )m4) + (long long )s >= 0LL) && (4294967295LL + (long long )m4) + (long long )x >= 0LL) && (4294967295LL + (long long )m5) + (long long )s >= 0LL) && (4294967295LL + (long long )m5) + (long long )x >= 0LL) && (4294967295LL + (long long )m6) + (long long )s >= 0LL) && (4294967295LL + (long long )m6) + (long long )x >= 0LL) && (4294967295LL + (long long )m7) + (long long )s >= 0LL) && (4294967295LL + (long long )m7) + (long long )x >= 0LL) && (4294967295LL + (long long )m8) + (long long )s >= 0LL) && (4294967295LL + (long long )m8) + (long long )x >= 0LL) && (2147483646LL + (long long )b) - (long long )x >= 0LL) && (4294967293LL + (long long )s) - (long long )x >= 0LL) && (4294967294LL + (long long )m2) - (long long )x >= 0LL) && (4294967294LL + (long long )m3) - (long long )x >= 0LL) && (4294967294LL + (long long )m4) - (long long )x >= 0LL) && (4294967294LL + (long long )m5) - (long long )x >= 0LL) && (4294967294LL + (long long )m6) - (long long )x >= 0LL) && (4294967294LL + (long long )m7) - (long long )x >= 0LL) && (4294967294LL + (long long )m8) - (long long )x >= 0LL) [2024-09-08 08:50:48,686 INFO L1541 ArrayList]: Location invariant before [L224-L224] ! multithreaded || ((((((((((((((((((((((((((2147483647LL + (long long )b) + (long long )s >= 0LL && (2147483647LL + (long long )b) + (long long )x >= 0LL) && (4294967294LL + (long long )s) + (long long )x >= 0LL) && (4294967295LL + (long long )m2) + (long long )s >= 0LL) && (4294967295LL + (long long )m2) + (long long )x >= 0LL) && (4294967295LL + (long long )m3) + (long long )s >= 0LL) && (4294967295LL + (long long )m3) + (long long )x >= 0LL) && (4294967295LL + (long long )m4) + (long long )s >= 0LL) && (4294967295LL + (long long )m4) + (long long )x >= 0LL) && (4294967295LL + (long long )m5) + (long long )s >= 0LL) && (4294967295LL + (long long )m5) + (long long )x >= 0LL) && (4294967295LL + (long long )m6) + (long long )s >= 0LL) && (4294967295LL + (long long )m6) + (long long )x >= 0LL) && (4294967295LL + (long long )m7) + (long long )s >= 0LL) && (4294967295LL + (long long )m7) + (long long )x >= 0LL) && (4294967295LL + (long long )m8) + (long long )s >= 0LL) && (4294967295LL + (long long )m8) + (long long )x >= 0LL) && (2147483646LL + (long long )b) - (long long )x >= 0LL) && (4294967293LL + (long long )s) - (long long )x >= 0LL) && (4294967294LL + (long long )m2) - (long long )x >= 0LL) && (4294967294LL + (long long )m3) - (long long )x >= 0LL) && (4294967294LL + (long long )m4) - (long long )x >= 0LL) && (4294967294LL + (long long )m5) - (long long )x >= 0LL) && (4294967294LL + (long long )m6) - (long long )x >= 0LL) && (4294967294LL + (long long )m7) - (long long )x >= 0LL) && (4294967294LL + (long long )m8) - (long long )x >= 0LL) [2024-09-08 08:50:48,686 INFO L1541 ArrayList]: Location invariant before [L218-L218] ! multithreaded || ((((((((((((((((((((((((((2147483647LL + (long long )b) + (long long )s >= 0LL && (2147483647LL + (long long )b) + (long long )x >= 0LL) && (4294967294LL + (long long )s) + (long long )x >= 0LL) && (4294967295LL + (long long )m2) + (long long )s >= 0LL) && (4294967295LL + (long long )m2) + (long long )x >= 0LL) && (4294967295LL + (long long )m3) + (long long )s >= 0LL) && (4294967295LL + (long long )m3) + (long long )x >= 0LL) && (4294967295LL + (long long )m4) + (long long )s >= 0LL) && (4294967295LL + (long long )m4) + (long long )x >= 0LL) && (4294967295LL + (long long )m5) + (long long )s >= 0LL) && (4294967295LL + (long long )m5) + (long long )x >= 0LL) && (4294967295LL + (long long )m6) + (long long )s >= 0LL) && (4294967295LL + (long long )m6) + (long long )x >= 0LL) && (4294967295LL + (long long )m7) + (long long )s >= 0LL) && (4294967295LL + (long long )m7) + (long long )x >= 0LL) && (4294967295LL + (long long )m8) + (long long )s >= 0LL) && (4294967295LL + (long long )m8) + (long long )x >= 0LL) && (2147483646LL + (long long )b) - (long long )x >= 0LL) && (4294967293LL + (long long )s) - (long long )x >= 0LL) && (4294967294LL + (long long )m2) - (long long )x >= 0LL) && (4294967294LL + (long long )m3) - (long long )x >= 0LL) && (4294967294LL + (long long )m4) - (long long )x >= 0LL) && (4294967294LL + (long long )m5) - (long long )x >= 0LL) && (4294967294LL + (long long )m6) - (long long )x >= 0LL) && (4294967294LL + (long long )m7) - (long long )x >= 0LL) && (4294967294LL + (long long )m8) - (long long )x >= 0LL) [2024-09-08 08:50:48,686 INFO L1541 ArrayList]: Location invariant before [L222-L222] ! multithreaded || ((((((((((((((((((((((((((2147483647LL + (long long )b) + (long long )s >= 0LL && (2147483647LL + (long long )b) + (long long )x >= 0LL) && (4294967294LL + (long long )s) + (long long )x >= 0LL) && (4294967295LL + (long long )m2) + (long long )s >= 0LL) && (4294967295LL + (long long )m2) + (long long )x >= 0LL) && (4294967295LL + (long long )m3) + (long long )s >= 0LL) && (4294967295LL + (long long )m3) + (long long )x >= 0LL) && (4294967295LL + (long long )m4) + (long long )s >= 0LL) && (4294967295LL + (long long )m4) + (long long )x >= 0LL) && (4294967295LL + (long long )m5) + (long long )s >= 0LL) && (4294967295LL + (long long )m5) + (long long )x >= 0LL) && (4294967295LL + (long long )m6) + (long long )s >= 0LL) && (4294967295LL + (long long )m6) + (long long )x >= 0LL) && (4294967295LL + (long long )m7) + (long long )s >= 0LL) && (4294967295LL + (long long )m7) + (long long )x >= 0LL) && (4294967295LL + (long long )m8) + (long long )s >= 0LL) && (4294967295LL + (long long )m8) + (long long )x >= 0LL) && (2147483646LL + (long long )b) - (long long )x >= 0LL) && (4294967293LL + (long long )s) - (long long )x >= 0LL) && (4294967294LL + (long long )m2) - (long long )x >= 0LL) && (4294967294LL + (long long )m3) - (long long )x >= 0LL) && (4294967294LL + (long long )m4) - (long long )x >= 0LL) && (4294967294LL + (long long )m5) - (long long )x >= 0LL) && (4294967294LL + (long long )m6) - (long long )x >= 0LL) && (4294967294LL + (long long )m7) - (long long )x >= 0LL) && (4294967294LL + (long long )m8) - (long long )x >= 0LL) [2024-09-08 08:50:48,687 INFO L1541 ArrayList]: Location invariant before [L219-L219] ! multithreaded || ((((((((((((((((((((((((((2147483647LL + (long long )b) + (long long )s >= 0LL && (2147483647LL + (long long )b) + (long long )x >= 0LL) && (4294967294LL + (long long )s) + (long long )x >= 0LL) && (4294967295LL + (long long )m2) + (long long )s >= 0LL) && (4294967295LL + (long long )m2) + (long long )x >= 0LL) && (4294967295LL + (long long )m3) + (long long )s >= 0LL) && (4294967295LL + (long long )m3) + (long long )x >= 0LL) && (4294967295LL + (long long )m4) + (long long )s >= 0LL) && (4294967295LL + (long long )m4) + (long long )x >= 0LL) && (4294967295LL + (long long )m5) + (long long )s >= 0LL) && (4294967295LL + (long long )m5) + (long long )x >= 0LL) && (4294967295LL + (long long )m6) + (long long )s >= 0LL) && (4294967295LL + (long long )m6) + (long long )x >= 0LL) && (4294967295LL + (long long )m7) + (long long )s >= 0LL) && (4294967295LL + (long long )m7) + (long long )x >= 0LL) && (4294967295LL + (long long )m8) + (long long )s >= 0LL) && (4294967295LL + (long long )m8) + (long long )x >= 0LL) && (2147483646LL + (long long )b) - (long long )x >= 0LL) && (4294967293LL + (long long )s) - (long long )x >= 0LL) && (4294967294LL + (long long )m2) - (long long )x >= 0LL) && (4294967294LL + (long long )m3) - (long long )x >= 0LL) && (4294967294LL + (long long )m4) - (long long )x >= 0LL) && (4294967294LL + (long long )m5) - (long long )x >= 0LL) && (4294967294LL + (long long )m6) - (long long )x >= 0LL) && (4294967294LL + (long long )m7) - (long long )x >= 0LL) && (4294967294LL + (long long )m8) - (long long )x >= 0LL) [2024-09-08 08:50:48,687 INFO L1541 ArrayList]: Location invariant before [L223-L223] ! multithreaded || ((((((((((((((((((((((((((2147483647LL + (long long )b) + (long long )s >= 0LL && (2147483647LL + (long long )b) + (long long )x >= 0LL) && (4294967294LL + (long long )s) + (long long )x >= 0LL) && (4294967295LL + (long long )m2) + (long long )s >= 0LL) && (4294967295LL + (long long )m2) + (long long )x >= 0LL) && (4294967295LL + (long long )m3) + (long long )s >= 0LL) && (4294967295LL + (long long )m3) + (long long )x >= 0LL) && (4294967295LL + (long long )m4) + (long long )s >= 0LL) && (4294967295LL + (long long )m4) + (long long )x >= 0LL) && (4294967295LL + (long long )m5) + (long long )s >= 0LL) && (4294967295LL + (long long )m5) + (long long )x >= 0LL) && (4294967295LL + (long long )m6) + (long long )s >= 0LL) && (4294967295LL + (long long )m6) + (long long )x >= 0LL) && (4294967295LL + (long long )m7) + (long long )s >= 0LL) && (4294967295LL + (long long )m7) + (long long )x >= 0LL) && (4294967295LL + (long long )m8) + (long long )s >= 0LL) && (4294967295LL + (long long )m8) + (long long )x >= 0LL) && (2147483646LL + (long long )b) - (long long )x >= 0LL) && (4294967293LL + (long long )s) - (long long )x >= 0LL) && (4294967294LL + (long long )m2) - (long long )x >= 0LL) && (4294967294LL + (long long )m3) - (long long )x >= 0LL) && (4294967294LL + (long long )m4) - (long long )x >= 0LL) && (4294967294LL + (long long )m5) - (long long )x >= 0LL) && (4294967294LL + (long long )m6) - (long long )x >= 0LL) && (4294967294LL + (long long )m7) - (long long )x >= 0LL) && (4294967294LL + (long long )m8) - (long long )x >= 0LL) [2024-09-08 08:50:48,687 INFO L1541 ArrayList]: Location invariant before [L217-L217] ! multithreaded || ((((((((((((((((((((((((((2147483647LL + (long long )b) + (long long )s >= 0LL && (2147483647LL + (long long )b) + (long long )x >= 0LL) && (4294967294LL + (long long )s) + (long long )x >= 0LL) && (4294967295LL + (long long )m2) + (long long )s >= 0LL) && (4294967295LL + (long long )m2) + (long long )x >= 0LL) && (4294967295LL + (long long )m3) + (long long )s >= 0LL) && (4294967295LL + (long long )m3) + (long long )x >= 0LL) && (4294967295LL + (long long )m4) + (long long )s >= 0LL) && (4294967295LL + (long long )m4) + (long long )x >= 0LL) && (4294967295LL + (long long )m5) + (long long )s >= 0LL) && (4294967295LL + (long long )m5) + (long long )x >= 0LL) && (4294967295LL + (long long )m6) + (long long )s >= 0LL) && (4294967295LL + (long long )m6) + (long long )x >= 0LL) && (4294967295LL + (long long )m7) + (long long )s >= 0LL) && (4294967295LL + (long long )m7) + (long long )x >= 0LL) && (4294967295LL + (long long )m8) + (long long )s >= 0LL) && (4294967295LL + (long long )m8) + (long long )x >= 0LL) && (2147483646LL + (long long )b) - (long long )x >= 0LL) && (4294967293LL + (long long )s) - (long long )x >= 0LL) && (4294967294LL + (long long )m2) - (long long )x >= 0LL) && (4294967294LL + (long long )m3) - (long long )x >= 0LL) && (4294967294LL + (long long )m4) - (long long )x >= 0LL) && (4294967294LL + (long long )m5) - (long long )x >= 0LL) && (4294967294LL + (long long )m6) - (long long )x >= 0LL) && (4294967294LL + (long long )m7) - (long long )x >= 0LL) && (4294967294LL + (long long )m8) - (long long )x >= 0LL) [2024-09-08 08:50:48,687 INFO L1541 ArrayList]: Location invariant before [L220-L220] ! multithreaded || ((((((((((((((((((((((((((2147483647LL + (long long )b) + (long long )s >= 0LL && (2147483647LL + (long long )b) + (long long )x >= 0LL) && (4294967294LL + (long long )s) + (long long )x >= 0LL) && (4294967295LL + (long long )m2) + (long long )s >= 0LL) && (4294967295LL + (long long )m2) + (long long )x >= 0LL) && (4294967295LL + (long long )m3) + (long long )s >= 0LL) && (4294967295LL + (long long )m3) + (long long )x >= 0LL) && (4294967295LL + (long long )m4) + (long long )s >= 0LL) && (4294967295LL + (long long )m4) + (long long )x >= 0LL) && (4294967295LL + (long long )m5) + (long long )s >= 0LL) && (4294967295LL + (long long )m5) + (long long )x >= 0LL) && (4294967295LL + (long long )m6) + (long long )s >= 0LL) && (4294967295LL + (long long )m6) + (long long )x >= 0LL) && (4294967295LL + (long long )m7) + (long long )s >= 0LL) && (4294967295LL + (long long )m7) + (long long )x >= 0LL) && (4294967295LL + (long long )m8) + (long long )s >= 0LL) && (4294967295LL + (long long )m8) + (long long )x >= 0LL) && (2147483646LL + (long long )b) - (long long )x >= 0LL) && (4294967293LL + (long long )s) - (long long )x >= 0LL) && (4294967294LL + (long long )m2) - (long long )x >= 0LL) && (4294967294LL + (long long )m3) - (long long )x >= 0LL) && (4294967294LL + (long long )m4) - (long long )x >= 0LL) && (4294967294LL + (long long )m5) - (long long )x >= 0LL) && (4294967294LL + (long long )m6) - (long long )x >= 0LL) && (4294967294LL + (long long )m7) - (long long )x >= 0LL) && (4294967294LL + (long long )m8) - (long long )x >= 0LL) [2024-09-08 08:50:48,687 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 08:50:48,687 INFO L1541 ArrayList]: ghost_update [L216-L216] multithreaded = 1; [2024-09-08 08:50:48,717 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 08:50:48,956 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/parallel-ticket-8.wvr.c[5378,5391] [2024-09-08 08:50:48,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 08:50:48,993 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 08:50:49,153 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/parallel-ticket-8.wvr.c[5378,5391] [2024-09-08 08:50:49,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 08:50:49,178 INFO L204 MainTranslator]: Completed translation [2024-09-08 08:50:49,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:50:49 WrapperNode [2024-09-08 08:50:49,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 08:50:49,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 08:50:49,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 08:50:49,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 08:50:49,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:50:49" (1/1) ... [2024-09-08 08:50:49,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:50:49" (1/1) ... [2024-09-08 08:50:49,264 INFO L138 Inliner]: procedures = 26, calls = 90, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 349 [2024-09-08 08:50:49,265 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 08:50:49,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 08:50:49,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 08:50:49,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 08:50:49,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:50:49" (1/1) ... [2024-09-08 08:50:49,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:50:49" (1/1) ... [2024-09-08 08:50:49,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:50:49" (1/1) ... [2024-09-08 08:50:49,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:50:49" (1/1) ... [2024-09-08 08:50:49,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:50:49" (1/1) ... [2024-09-08 08:50:49,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:50:49" (1/1) ... [2024-09-08 08:50:49,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:50:49" (1/1) ... [2024-09-08 08:50:49,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:50:49" (1/1) ... [2024-09-08 08:50:49,316 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 08:50:49,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 08:50:49,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 08:50:49,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 08:50:49,318 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:50:49" (1/1) ... [2024-09-08 08:50:49,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 08:50:49,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:50:49,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-08 08:50:49,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-08 08:50:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 08:50:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 08:50:49,386 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 08:50:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 08:50:49,386 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 08:50:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-08 08:50:49,386 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-08 08:50:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-09-08 08:50:49,387 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-09-08 08:50:49,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 08:50:49,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-09-08 08:50:49,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-09-08 08:50:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-09-08 08:50:49,389 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-09-08 08:50:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2024-09-08 08:50:49,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2024-09-08 08:50:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2024-09-08 08:50:49,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2024-09-08 08:50:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 08:50:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 08:50:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 08:50:49,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 08:50:49,392 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 08:50:49,493 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 08:50:49,495 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 08:50:50,041 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 08:50:50,041 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 08:50:50,293 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 08:50:50,293 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-08 08:50:50,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:50:50 BoogieIcfgContainer [2024-09-08 08:50:50,294 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 08:50:50,297 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 08:50:50,298 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 08:50:50,301 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 08:50:50,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:50:46" (1/4) ... [2024-09-08 08:50:50,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff3ada2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 08:50:50, skipping insertion in model container [2024-09-08 08:50:50,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 08:50:48" (2/4) ... [2024-09-08 08:50:50,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff3ada2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:50:50, skipping insertion in model container [2024-09-08 08:50:50,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:50:49" (3/4) ... [2024-09-08 08:50:50,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff3ada2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:50:50, skipping insertion in model container [2024-09-08 08:50:50,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:50:50" (4/4) ... [2024-09-08 08:50:50,306 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2024-09-08 08:50:50,323 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 08:50:50,324 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2024-09-08 08:50:50,324 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 08:50:50,447 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-09-08 08:50:50,498 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 08:50:50,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 08:50:50,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:50:50,501 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 08:50:50,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-08 08:50:50,538 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 08:50:50,551 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 08:50:50,557 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5a96228d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 08:50:50,558 INFO L337 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-09-08 08:50:50,827 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 14 more)] === [2024-09-08 08:50:50,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:50:50,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1214632586, now seen corresponding path program 1 times [2024-09-08 08:50:50,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:50:50,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119729] [2024-09-08 08:50:50,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:50:50,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:50:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:50:51,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:50:51,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:50:51,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119729] [2024-09-08 08:50:51,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119729] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:50:51,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 08:50:51,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 08:50:51,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440678243] [2024-09-08 08:50:51,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:50:51,999 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 08:50:52,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:50:52,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 08:50:52,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-09-08 08:50:52,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:50:52,037 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:50:52,038 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:50:52,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:50:52,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:50:52,170 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 08:50:52,171 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 14 more)] === [2024-09-08 08:50:52,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:50:52,171 INFO L85 PathProgramCache]: Analyzing trace with hash 2069646546, now seen corresponding path program 1 times [2024-09-08 08:50:52,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:50:52,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576971730] [2024-09-08 08:50:52,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:50:52,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:50:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:50:53,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:50:53,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:50:53,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576971730] [2024-09-08 08:50:53,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576971730] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:50:53,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 08:50:53,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-08 08:50:53,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768112947] [2024-09-08 08:50:53,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:50:53,123 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-08 08:50:53,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:50:53,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-08 08:50:53,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-09-08 08:50:53,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:50:53,126 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:50:53,127 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:50:53,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:50:53,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:50:53,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:50:53,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:50:53,787 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 08:50:53,787 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 14 more)] === [2024-09-08 08:50:53,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:50:53,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1082227443, now seen corresponding path program 1 times [2024-09-08 08:50:53,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:50:53,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791351743] [2024-09-08 08:50:53,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:50:53,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:50:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:50:55,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:50:55,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:50:55,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791351743] [2024-09-08 08:50:55,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791351743] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:50:55,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 08:50:55,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 08:50:55,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171991373] [2024-09-08 08:50:55,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:50:55,990 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 08:50:55,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:50:55,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 08:50:55,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-09-08 08:50:55,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:50:55,991 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:50:55,992 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:50:55,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:50:55,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:50:55,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.