./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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/parallel-ticket-8.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/parallel-ticket-8.wvr.c ./goblint.2024-08-08_07-59-58.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.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-13 20:28:23,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 20:28:23,721 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-13 20:28:23,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 20:28:23,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 20:28:23,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 20:28:23,752 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 20:28:23,752 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 20:28:23,753 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 20:28:23,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 20:28:23,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 20:28:23,754 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 20:28:23,755 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 20:28:23,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 20:28:23,757 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 20:28:23,758 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 20:28:23,758 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-13 20:28:23,758 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 20:28:23,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 20:28:23,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 20:28:23,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 20:28:23,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 20:28:23,763 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 20:28:23,763 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 20:28:23,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 20:28:23,764 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 20:28:23,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 20:28:23,764 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 20:28:23,765 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 20:28:23,765 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 20:28:23,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 20:28:23,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 20:28:23,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 20:28:23,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 20:28:23,766 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-13 20:28:23,766 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 20:28:23,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-13 20:28:23,769 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 20:28:23,769 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 20:28:23,769 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 20:28:23,769 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 20:28:23,770 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 20:28:23,770 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-13 20:28:24,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 20:28:24,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 20:28:24,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 20:28:24,105 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 20:28:24,107 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 20:28:24,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/parallel-ticket-8.wvr.yml/witness.yml [2024-08-13 20:28:24,219 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 20:28:24,219 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 20:28:24,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2024-08-13 20:28:25,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 20:28:25,875 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 20:28:25,876 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2024-08-13 20:28:25,888 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/64cebccd1/433ed7d185324ffe85e533592b57baf9/FLAGa3a050b69 [2024-08-13 20:28:25,904 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/64cebccd1/433ed7d185324ffe85e533592b57baf9 [2024-08-13 20:28:25,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 20:28:25,908 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 20:28:25,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 20:28:25,910 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 20:28:25,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 20:28:25,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 08:28:24" (1/2) ... [2024-08-13 20:28:25,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d08cd9a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:28:25, skipping insertion in model container [2024-08-13 20:28:25,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 08:28:24" (1/2) ... [2024-08-13 20:28:25,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4a0c45b7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:28:25, skipping insertion in model container [2024-08-13 20:28:25,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 08:28:25" (2/2) ... [2024-08-13 20:28:25,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d08cd9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:28:25, skipping insertion in model container [2024-08-13 20:28:25,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 08:28:25" (2/2) ... [2024-08-13 20:28:25,921 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-13 20:28:25,945 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 20:28:25,946 INFO L97 edCorrectnessWitness]: 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) [2024-08-13 20:28:25,946 INFO L97 edCorrectnessWitness]: 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) [2024-08-13 20:28:25,949 INFO L97 edCorrectnessWitness]: 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) [2024-08-13 20:28:25,949 INFO L97 edCorrectnessWitness]: 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) [2024-08-13 20:28:25,949 INFO L97 edCorrectnessWitness]: 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) [2024-08-13 20:28:25,949 INFO L97 edCorrectnessWitness]: 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) [2024-08-13 20:28:25,949 INFO L97 edCorrectnessWitness]: 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) [2024-08-13 20:28:25,949 INFO L97 edCorrectnessWitness]: 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) [2024-08-13 20:28:25,949 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-13 20:28:25,950 INFO L106 edCorrectnessWitness]: ghost_update [L216-L216] multithreaded = 1; [2024-08-13 20:28:25,978 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 20:28:26,189 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 20:28:26,204 INFO L202 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 [2024-08-13 20:28:26,353 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 20:28:26,371 INFO L206 MainTranslator]: Completed translation [2024-08-13 20:28:26,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:28:26 WrapperNode [2024-08-13 20:28:26,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 20:28:26,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-13 20:28:26,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-13 20:28:26,374 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-13 20:28:26,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:28:26" (1/1) ... [2024-08-13 20:28:26,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:28:26" (1/1) ... [2024-08-13 20:28:26,440 INFO L138 Inliner]: procedures = 26, calls = 91, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 343 [2024-08-13 20:28:26,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-13 20:28:26,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-13 20:28:26,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-13 20:28:26,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-13 20:28:26,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:28:26" (1/1) ... [2024-08-13 20:28:26,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:28:26" (1/1) ... [2024-08-13 20:28:26,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:28:26" (1/1) ... [2024-08-13 20:28:26,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:28:26" (1/1) ... [2024-08-13 20:28:26,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:28:26" (1/1) ... [2024-08-13 20:28:26,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:28:26" (1/1) ... [2024-08-13 20:28:26,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:28:26" (1/1) ... [2024-08-13 20:28:26,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:28:26" (1/1) ... [2024-08-13 20:28:26,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-13 20:28:26,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-13 20:28:26,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-13 20:28:26,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-13 20:28:26,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:28:26" (1/1) ... [2024-08-13 20:28:26,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 20:28:26,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 20:28:26,535 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 20:28:26,538 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 20:28:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-13 20:28:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-13 20:28:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-13 20:28:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-13 20:28:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-13 20:28:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-13 20:28:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-13 20:28:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-08-13 20:28:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-08-13 20:28:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-13 20:28:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-08-13 20:28:26,578 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-08-13 20:28:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-08-13 20:28:26,578 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-08-13 20:28:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2024-08-13 20:28:26,578 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2024-08-13 20:28:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2024-08-13 20:28:26,579 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2024-08-13 20:28:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-13 20:28:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-13 20:28:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-13 20:28:26,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-13 20:28:26,581 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 20:28:26,756 INFO L244 CfgBuilder]: Building ICFG [2024-08-13 20:28:26,759 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-13 20:28:27,416 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-13 20:28:27,416 INFO L293 CfgBuilder]: Performing block encoding [2024-08-13 20:28:27,694 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-13 20:28:27,695 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-13 20:28:27,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 08:28:27 BoogieIcfgContainer [2024-08-13 20:28:27,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-13 20:28:27,700 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-13 20:28:27,700 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-13 20:28:27,704 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-13 20:28:27,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 08:28:24" (1/4) ... [2024-08-13 20:28:27,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48610df7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.08 08:28:27, skipping insertion in model container [2024-08-13 20:28:27,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 08:28:25" (2/4) ... [2024-08-13 20:28:27,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48610df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 08:28:27, skipping insertion in model container [2024-08-13 20:28:27,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:28:26" (3/4) ... [2024-08-13 20:28:27,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48610df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 08:28:27, skipping insertion in model container [2024-08-13 20:28:27,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 08:28:27" (4/4) ... [2024-08-13 20:28:27,709 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2024-08-13 20:28:27,732 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-13 20:28:27,733 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-08-13 20:28:27,733 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-13 20:28:27,884 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-08-13 20:28:27,955 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 20:28:27,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-13 20:28:27,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 20:28:27,958 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 20:28:27,959 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 20:28:27,997 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-13 20:28:28,008 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-13 20:28:28,017 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;@7554226e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 20:28:28,017 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-08-13 20:28:28,290 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 13 more)] === [2024-08-13 20:28:28,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 20:28:28,297 INFO L85 PathProgramCache]: Analyzing trace with hash 338866223, now seen corresponding path program 1 times [2024-08-13 20:28:28,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 20:28:28,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172582273] [2024-08-13 20:28:28,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 20:28:28,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 20:28:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 20:28:29,293 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 20:28:29,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 20:28:29,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172582273] [2024-08-13 20:28:29,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172582273] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 20:28:29,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 20:28:29,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-13 20:28:29,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597462539] [2024-08-13 20:28:29,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 20:28:29,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-13 20:28:29,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 20:28:29,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-13 20:28:29,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-08-13 20:28:29,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 20:28:29,328 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 20:28:29,329 INFO L496 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) [2024-08-13 20:28:29,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 20:28:29,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 20:28:29,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-13 20:28:29,484 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 13 more)] === [2024-08-13 20:28:29,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 20:28:29,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1269125593, now seen corresponding path program 1 times [2024-08-13 20:28:29,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 20:28:29,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258360675] [2024-08-13 20:28:29,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 20:28:29,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 20:28:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 20:28:30,315 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 20:28:30,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 20:28:30,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258360675] [2024-08-13 20:28:30,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258360675] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 20:28:30,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 20:28:30,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-13 20:28:30,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917629429] [2024-08-13 20:28:30,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 20:28:30,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-13 20:28:30,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 20:28:30,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-13 20:28:30,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-08-13 20:28:30,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 20:28:30,321 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 20:28:30,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 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 20:28:30,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 20:28:30,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.