./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/parallel-parallel-sum-1-dsl.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da67795f 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-parallel-sum-1-dsl.wvr.c ./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/parallel-parallel-sum-1-dsl.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-eval-da67795-m [2024-08-27 04:00:29,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-27 04:00:29,765 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-27 04:00:29,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-27 04:00:29,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-27 04:00:29,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-27 04:00:29,804 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-27 04:00:29,804 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-27 04:00:29,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-27 04:00:29,805 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-27 04:00:29,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-27 04:00:29,806 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-27 04:00:29,806 INFO L153 SettingsManager]: * Use SBE=true [2024-08-27 04:00:29,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-27 04:00:29,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-27 04:00:29,807 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-27 04:00:29,808 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-27 04:00:29,808 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-27 04:00:29,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-27 04:00:29,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-27 04:00:29,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-27 04:00:29,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-27 04:00:29,809 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-27 04:00:29,810 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-27 04:00:29,810 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-27 04:00:29,810 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-27 04:00:29,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-27 04:00:29,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-27 04:00:29,811 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-27 04:00:29,811 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-27 04:00:29,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 04:00:29,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-27 04:00:29,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-27 04:00:29,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-27 04:00:29,813 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-27 04:00:29,814 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-27 04:00:29,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-27 04:00:29,814 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-27 04:00:29,814 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-27 04:00:29,815 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-27 04:00:29,815 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-27 04:00:29,816 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-27 04:00:29,816 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-27 04:00:30,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-27 04:00:30,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-27 04:00:30,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-27 04:00:30,069 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-27 04:00:30,070 INFO L274 PluginConnector]: CDTParser initialized [2024-08-27 04:00:30,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c [2024-08-27 04:00:31,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-27 04:00:31,721 INFO L384 CDTParser]: Found 1 translation units. [2024-08-27 04:00:31,722 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c [2024-08-27 04:00:31,730 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/70cb1d7fe/72b5b7e8557f496b8a793ec53f5f2e7f/FLAGb4e8b5e04 [2024-08-27 04:00:31,744 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/70cb1d7fe/72b5b7e8557f496b8a793ec53f5f2e7f [2024-08-27 04:00:31,746 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-27 04:00:31,746 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-27 04:00:31,747 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/parallel-parallel-sum-1-dsl.wvr.yml/witness.yml [2024-08-27 04:00:31,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-27 04:00:31,844 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-27 04:00:31,845 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-27 04:00:31,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-27 04:00:31,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-27 04:00:31,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:00:31" (1/2) ... [2024-08-27 04:00:31,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0c4be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:00:31, skipping insertion in model container [2024-08-27 04:00:31,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:00:31" (1/2) ... [2024-08-27 04:00:31,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@58b0538e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:00:31, skipping insertion in model container [2024-08-27 04:00:31,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 04:00:31" (2/2) ... [2024-08-27 04:00:31,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0c4be and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:31, skipping insertion in model container [2024-08-27 04:00:31,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 04:00:31" (2/2) ... [2024-08-27 04:00:31,856 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-27 04:00:31,881 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-27 04:00:31,881 INFO L1541 ArrayList]: Location invariant before [L144-L144] ((! multithreaded || n_1 <= 2147483646) && (! multithreaded || (((((((((((((((((((((((((((2147483649LL + (long long )n_1) + (long long )s_2 >= 0LL && (2147483649LL + (long long )n_1) + (long long )s_6 >= 0LL) && (2147483649LL + (long long )i_3) + (long long )n_1 >= 0LL) && (2147483649LL + (long long )i_7) + (long long )n_1 >= 0LL) && (2147483648LL - (long long )i_3) + (long long )n_1 >= 0LL) && (2147483648LL - (long long )i_7) + (long long )n_1 >= 0LL) && (3221225470LL - (long long )n_1) + (long long )s_2 >= 0LL) && (3221225470LL - (long long )n_1) + (long long )s_6 >= 0LL) && (4294967295LL - (long long )i_3) + (long long )s_2 >= 0LL) && (4294967295LL - (long long )i_3) + (long long )s_6 >= 0LL) && (4294967295LL - (long long )i_3) + (long long )i_7 >= 0LL) && (4294967295LL - (long long )i_7) + (long long )s_2 >= 0LL) && (4294967295LL - (long long )i_7) + (long long )s_6 >= 0LL) && (2147483648LL + (long long )n_1) - (long long )s_2 >= 0LL) && (2147483648LL + (long long )n_1) - (long long )s_6 >= 0LL) && (3221225470LL + (long long )i_3) - (long long )n_1 >= 0LL) && (3221225470LL + (long long )i_7) - (long long )n_1 >= 0LL) && (4294967295LL + (long long )i_3) - (long long )i_7 >= 0LL) && (3221225469LL - (long long )n_1) - (long long )s_2 >= 0LL) && (3221225469LL - (long long )n_1) - (long long )s_6 >= 0LL) && (3221225469LL - (long long )i_3) - (long long )n_1 >= 0LL) && (3221225469LL - (long long )i_7) - (long long )n_1 >= 0LL) && (4294967294LL - (long long )i_3) - (long long )s_2 >= 0LL) && (4294967294LL - (long long )i_3) - (long long )s_6 >= 0LL) && (4294967294LL - (long long )i_3) - (long long )i_7 >= 0LL) && (4294967294LL - (long long )i_7) - (long long )s_2 >= 0LL) && (4294967294LL - (long long )i_7) - (long long )s_6 >= 0LL))) && (! multithreaded || n_1 <= 2147483646) [2024-08-27 04:00:31,882 INFO L1541 ArrayList]: Location invariant before [L92-L92] ((! multithreaded || n_1 <= 2147483646) && (! multithreaded || (((((((((((((((((((((((((((2147483649LL + (long long )n_1) + (long long )s_2 >= 0LL && (2147483649LL + (long long )n_1) + (long long )s_6 >= 0LL) && (2147483649LL + (long long )i_3) + (long long )n_1 >= 0LL) && (2147483649LL + (long long )i_7) + (long long )n_1 >= 0LL) && (2147483648LL - (long long )i_3) + (long long )n_1 >= 0LL) && (2147483648LL - (long long )i_7) + (long long )n_1 >= 0LL) && (3221225470LL - (long long )n_1) + (long long )s_2 >= 0LL) && (3221225470LL - (long long )n_1) + (long long )s_6 >= 0LL) && (4294967295LL - (long long )i_3) + (long long )s_2 >= 0LL) && (4294967295LL - (long long )i_3) + (long long )s_6 >= 0LL) && (4294967295LL - (long long )i_3) + (long long )i_7 >= 0LL) && (4294967295LL - (long long )i_7) + (long long )s_2 >= 0LL) && (4294967295LL - (long long )i_7) + (long long )s_6 >= 0LL) && (2147483648LL + (long long )n_1) - (long long )s_2 >= 0LL) && (2147483648LL + (long long )n_1) - (long long )s_6 >= 0LL) && (3221225470LL + (long long )i_3) - (long long )n_1 >= 0LL) && (3221225470LL + (long long )i_7) - (long long )n_1 >= 0LL) && (4294967295LL + (long long )i_3) - (long long )i_7 >= 0LL) && (3221225469LL - (long long )n_1) - (long long )s_2 >= 0LL) && (3221225469LL - (long long )n_1) - (long long )s_6 >= 0LL) && (3221225469LL - (long long )i_3) - (long long )n_1 >= 0LL) && (3221225469LL - (long long )i_7) - (long long )n_1 >= 0LL) && (4294967294LL - (long long )i_3) - (long long )s_2 >= 0LL) && (4294967294LL - (long long )i_3) - (long long )s_6 >= 0LL) && (4294967294LL - (long long )i_3) - (long long )i_7 >= 0LL) && (4294967294LL - (long long )i_7) - (long long )s_2 >= 0LL) && (4294967294LL - (long long )i_7) - (long long )s_6 >= 0LL))) && (! multithreaded || n_1 <= 2147483646) [2024-08-27 04:00:31,882 INFO L1541 ArrayList]: Location invariant before [L169-L169] ((! multithreaded || n_1 <= 2147483646) && (! multithreaded || (((((((((((((((((((((((((((2147483649LL + (long long )n_1) + (long long )s_2 >= 0LL && (2147483649LL + (long long )n_1) + (long long )s_6 >= 0LL) && (2147483649LL + (long long )i_3) + (long long )n_1 >= 0LL) && (2147483649LL + (long long )i_7) + (long long )n_1 >= 0LL) && (2147483648LL - (long long )i_3) + (long long )n_1 >= 0LL) && (2147483648LL - (long long )i_7) + (long long )n_1 >= 0LL) && (3221225470LL - (long long )n_1) + (long long )s_2 >= 0LL) && (3221225470LL - (long long )n_1) + (long long )s_6 >= 0LL) && (4294967295LL - (long long )i_3) + (long long )s_2 >= 0LL) && (4294967295LL - (long long )i_3) + (long long )s_6 >= 0LL) && (4294967295LL - (long long )i_3) + (long long )i_7 >= 0LL) && (4294967295LL - (long long )i_7) + (long long )s_2 >= 0LL) && (4294967295LL - (long long )i_7) + (long long )s_6 >= 0LL) && (2147483648LL + (long long )n_1) - (long long )s_2 >= 0LL) && (2147483648LL + (long long )n_1) - (long long )s_6 >= 0LL) && (3221225470LL + (long long )i_3) - (long long )n_1 >= 0LL) && (3221225470LL + (long long )i_7) - (long long )n_1 >= 0LL) && (4294967295LL + (long long )i_3) - (long long )i_7 >= 0LL) && (3221225469LL - (long long )n_1) - (long long )s_2 >= 0LL) && (3221225469LL - (long long )n_1) - (long long )s_6 >= 0LL) && (3221225469LL - (long long )i_3) - (long long )n_1 >= 0LL) && (3221225469LL - (long long )i_7) - (long long )n_1 >= 0LL) && (4294967294LL - (long long )i_3) - (long long )s_2 >= 0LL) && (4294967294LL - (long long )i_3) - (long long )s_6 >= 0LL) && (4294967294LL - (long long )i_3) - (long long )i_7 >= 0LL) && (4294967294LL - (long long )i_7) - (long long )s_2 >= 0LL) && (4294967294LL - (long long )i_7) - (long long )s_6 >= 0LL))) && (! multithreaded || n_1 <= 2147483646) [2024-08-27 04:00:31,882 INFO L1541 ArrayList]: Location invariant before [L170-L170] ((! multithreaded || n_1 <= 2147483646) && (! multithreaded || (((((((((((((((((((((((((((2147483649LL + (long long )n_1) + (long long )s_2 >= 0LL && (2147483649LL + (long long )n_1) + (long long )s_6 >= 0LL) && (2147483649LL + (long long )i_3) + (long long )n_1 >= 0LL) && (2147483649LL + (long long )i_7) + (long long )n_1 >= 0LL) && (2147483648LL - (long long )i_3) + (long long )n_1 >= 0LL) && (2147483648LL - (long long )i_7) + (long long )n_1 >= 0LL) && (3221225470LL - (long long )n_1) + (long long )s_2 >= 0LL) && (3221225470LL - (long long )n_1) + (long long )s_6 >= 0LL) && (4294967295LL - (long long )i_3) + (long long )s_2 >= 0LL) && (4294967295LL - (long long )i_3) + (long long )s_6 >= 0LL) && (4294967295LL - (long long )i_3) + (long long )i_7 >= 0LL) && (4294967295LL - (long long )i_7) + (long long )s_2 >= 0LL) && (4294967295LL - (long long )i_7) + (long long )s_6 >= 0LL) && (2147483648LL + (long long )n_1) - (long long )s_2 >= 0LL) && (2147483648LL + (long long )n_1) - (long long )s_6 >= 0LL) && (3221225470LL + (long long )i_3) - (long long )n_1 >= 0LL) && (3221225470LL + (long long )i_7) - (long long )n_1 >= 0LL) && (4294967295LL + (long long )i_3) - (long long )i_7 >= 0LL) && (3221225469LL - (long long )n_1) - (long long )s_2 >= 0LL) && (3221225469LL - (long long )n_1) - (long long )s_6 >= 0LL) && (3221225469LL - (long long )i_3) - (long long )n_1 >= 0LL) && (3221225469LL - (long long )i_7) - (long long )n_1 >= 0LL) && (4294967294LL - (long long )i_3) - (long long )s_2 >= 0LL) && (4294967294LL - (long long )i_3) - (long long )s_6 >= 0LL) && (4294967294LL - (long long )i_3) - (long long )i_7 >= 0LL) && (4294967294LL - (long long )i_7) - (long long )s_2 >= 0LL) && (4294967294LL - (long long )i_7) - (long long )s_6 >= 0LL))) && (! multithreaded || n_1 <= 2147483646) [2024-08-27 04:00:31,882 INFO L1541 ArrayList]: Location invariant before [L93-L93] ((! multithreaded || n_1 <= 2147483646) && (! multithreaded || (((((((((((((((((((((((((((2147483649LL + (long long )n_1) + (long long )s_2 >= 0LL && (2147483649LL + (long long )n_1) + (long long )s_6 >= 0LL) && (2147483649LL + (long long )i_3) + (long long )n_1 >= 0LL) && (2147483649LL + (long long )i_7) + (long long )n_1 >= 0LL) && (2147483648LL - (long long )i_3) + (long long )n_1 >= 0LL) && (2147483648LL - (long long )i_7) + (long long )n_1 >= 0LL) && (3221225470LL - (long long )n_1) + (long long )s_2 >= 0LL) && (3221225470LL - (long long )n_1) + (long long )s_6 >= 0LL) && (4294967295LL - (long long )i_3) + (long long )s_2 >= 0LL) && (4294967295LL - (long long )i_3) + (long long )s_6 >= 0LL) && (4294967295LL - (long long )i_3) + (long long )i_7 >= 0LL) && (4294967295LL - (long long )i_7) + (long long )s_2 >= 0LL) && (4294967295LL - (long long )i_7) + (long long )s_6 >= 0LL) && (2147483648LL + (long long )n_1) - (long long )s_2 >= 0LL) && (2147483648LL + (long long )n_1) - (long long )s_6 >= 0LL) && (3221225470LL + (long long )i_3) - (long long )n_1 >= 0LL) && (3221225470LL + (long long )i_7) - (long long )n_1 >= 0LL) && (4294967295LL + (long long )i_3) - (long long )i_7 >= 0LL) && (3221225469LL - (long long )n_1) - (long long )s_2 >= 0LL) && (3221225469LL - (long long )n_1) - (long long )s_6 >= 0LL) && (3221225469LL - (long long )i_3) - (long long )n_1 >= 0LL) && (3221225469LL - (long long )i_7) - (long long )n_1 >= 0LL) && (4294967294LL - (long long )i_3) - (long long )s_2 >= 0LL) && (4294967294LL - (long long )i_3) - (long long )s_6 >= 0LL) && (4294967294LL - (long long )i_3) - (long long )i_7 >= 0LL) && (4294967294LL - (long long )i_7) - (long long )s_2 >= 0LL) && (4294967294LL - (long long )i_7) - (long long )s_6 >= 0LL))) && (! multithreaded || n_1 <= 2147483646) [2024-08-27 04:00:31,883 INFO L1541 ArrayList]: Location invariant before [L145-L145] ((! multithreaded || n_1 <= 2147483646) && (! multithreaded || (((((((((((((((((((((((((((2147483649LL + (long long )n_1) + (long long )s_2 >= 0LL && (2147483649LL + (long long )n_1) + (long long )s_6 >= 0LL) && (2147483649LL + (long long )i_3) + (long long )n_1 >= 0LL) && (2147483649LL + (long long )i_7) + (long long )n_1 >= 0LL) && (2147483648LL - (long long )i_3) + (long long )n_1 >= 0LL) && (2147483648LL - (long long )i_7) + (long long )n_1 >= 0LL) && (3221225470LL - (long long )n_1) + (long long )s_2 >= 0LL) && (3221225470LL - (long long )n_1) + (long long )s_6 >= 0LL) && (4294967295LL - (long long )i_3) + (long long )s_2 >= 0LL) && (4294967295LL - (long long )i_3) + (long long )s_6 >= 0LL) && (4294967295LL - (long long )i_3) + (long long )i_7 >= 0LL) && (4294967295LL - (long long )i_7) + (long long )s_2 >= 0LL) && (4294967295LL - (long long )i_7) + (long long )s_6 >= 0LL) && (2147483648LL + (long long )n_1) - (long long )s_2 >= 0LL) && (2147483648LL + (long long )n_1) - (long long )s_6 >= 0LL) && (3221225470LL + (long long )i_3) - (long long )n_1 >= 0LL) && (3221225470LL + (long long )i_7) - (long long )n_1 >= 0LL) && (4294967295LL + (long long )i_3) - (long long )i_7 >= 0LL) && (3221225469LL - (long long )n_1) - (long long )s_2 >= 0LL) && (3221225469LL - (long long )n_1) - (long long )s_6 >= 0LL) && (3221225469LL - (long long )i_3) - (long long )n_1 >= 0LL) && (3221225469LL - (long long )i_7) - (long long )n_1 >= 0LL) && (4294967294LL - (long long )i_3) - (long long )s_2 >= 0LL) && (4294967294LL - (long long )i_3) - (long long )s_6 >= 0LL) && (4294967294LL - (long long )i_3) - (long long )i_7 >= 0LL) && (4294967294LL - (long long )i_7) - (long long )s_2 >= 0LL) && (4294967294LL - (long long )i_7) - (long long )s_6 >= 0LL))) && (! multithreaded || n_1 <= 2147483646) [2024-08-27 04:00:31,883 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-27 04:00:31,883 INFO L1541 ArrayList]: ghost_update [L168-L168] multithreaded = 1; [2024-08-27 04:00:31,907 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-27 04:00:32,120 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-parallel-sum-1-dsl.wvr.c[4450,4463] [2024-08-27 04:00:32,133 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 04:00:32,145 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 [2024-08-27 04:00:32,251 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-parallel-sum-1-dsl.wvr.c[4450,4463] [2024-08-27 04:00:32,255 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 04:00:32,279 INFO L206 MainTranslator]: Completed translation [2024-08-27 04:00:32,280 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:32 WrapperNode [2024-08-27 04:00:32,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-27 04:00:32,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-27 04:00:32,282 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-27 04:00:32,282 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-27 04:00:32,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:32" (1/1) ... [2024-08-27 04:00:32,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:32" (1/1) ... [2024-08-27 04:00:32,360 INFO L138 Inliner]: procedures = 28, calls = 65, calls flagged for inlining = 21, calls inlined = 27, statements flattened = 306 [2024-08-27 04:00:32,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-27 04:00:32,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-27 04:00:32,362 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-27 04:00:32,362 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-27 04:00:32,370 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:32" (1/1) ... [2024-08-27 04:00:32,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:32" (1/1) ... [2024-08-27 04:00:32,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:32" (1/1) ... [2024-08-27 04:00:32,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:32" (1/1) ... [2024-08-27 04:00:32,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:32" (1/1) ... [2024-08-27 04:00:32,397 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:32" (1/1) ... [2024-08-27 04:00:32,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:32" (1/1) ... [2024-08-27 04:00:32,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:32" (1/1) ... [2024-08-27 04:00:32,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-27 04:00:32,415 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-27 04:00:32,415 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-27 04:00:32,415 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-27 04:00:32,416 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:32" (1/1) ... [2024-08-27 04:00:32,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 04:00:32,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:32,451 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) [2024-08-27 04:00:32,453 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 [2024-08-27 04:00:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-27 04:00:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-27 04:00:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-27 04:00:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-27 04:00:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-27 04:00:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-27 04:00:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-27 04:00:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-27 04:00:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-27 04:00:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-08-27 04:00:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-08-27 04:00:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-27 04:00:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-08-27 04:00:32,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-08-27 04:00:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-08-27 04:00:32,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-08-27 04:00:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-27 04:00:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-27 04:00:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-27 04:00:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-27 04:00:32,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-27 04:00:32,516 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-27 04:00:32,648 INFO L242 CfgBuilder]: Building ICFG [2024-08-27 04:00:32,650 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-27 04:00:33,227 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-27 04:00:33,227 INFO L291 CfgBuilder]: Performing block encoding [2024-08-27 04:00:33,567 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-27 04:00:33,567 INFO L318 CfgBuilder]: Removed 5 assume(true) statements. [2024-08-27 04:00:33,567 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:00:33 BoogieIcfgContainer [2024-08-27 04:00:33,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-27 04:00:33,570 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-27 04:00:33,570 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-27 04:00:33,573 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-27 04:00:33,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 04:00:31" (1/4) ... [2024-08-27 04:00:33,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e36693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 04:00:33, skipping insertion in model container [2024-08-27 04:00:33,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 04:00:31" (2/4) ... [2024-08-27 04:00:33,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e36693 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.08 04:00:33, skipping insertion in model container [2024-08-27 04:00:33,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:32" (3/4) ... [2024-08-27 04:00:33,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e36693 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.08 04:00:33, skipping insertion in model container [2024-08-27 04:00:33,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:00:33" (4/4) ... [2024-08-27 04:00:33,577 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c [2024-08-27 04:00:33,595 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-27 04:00:33,596 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-08-27 04:00:33,596 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-27 04:00:33,723 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-08-27 04:00:33,769 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 04:00:33,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-27 04:00:33,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:33,772 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) [2024-08-27 04:00:33,773 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 [2024-08-27 04:00:33,808 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-27 04:00:33,822 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork4 ======== [2024-08-27 04:00:33,829 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;@7aff6493, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 04:00:33,831 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-27 04:00:34,285 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork4Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-27 04:00:34,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:34,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1458120160, now seen corresponding path program 1 times [2024-08-27 04:00:34,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:34,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142875644] [2024-08-27 04:00:34,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:34,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:35,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:35,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:35,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142875644] [2024-08-27 04:00:35,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142875644] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:00:35,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 04:00:35,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-27 04:00:35,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506820487] [2024-08-27 04:00:35,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:35,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 04:00:35,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:35,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 04:00:35,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-27 04:00:35,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:35,536 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:35,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 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) [2024-08-27 04:00:35,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:35,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:35,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-27 04:00:35,815 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork4Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-27 04:00:35,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:35,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1495660228, now seen corresponding path program 1 times [2024-08-27 04:00:35,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:35,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828341596] [2024-08-27 04:00:35,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:35,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:36,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:36,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:36,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828341596] [2024-08-27 04:00:36,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828341596] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:00:36,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 04:00:36,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-27 04:00:36,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505149791] [2024-08-27 04:00:36,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:36,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-27 04:00:36,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:36,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-27 04:00:36,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-08-27 04:00:36,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:36,504 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:36,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:00:36,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:36,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:37,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:37,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:37,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-27 04:00:37,324 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork4Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-27 04:00:37,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:37,325 INFO L85 PathProgramCache]: Analyzing trace with hash -2078294237, now seen corresponding path program 1 times [2024-08-27 04:00:37,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:37,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901110097] [2024-08-27 04:00:37,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:37,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:37,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:37,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:37,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901110097] [2024-08-27 04:00:37,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901110097] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:00:37,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 04:00:37,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 04:00:37,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568894729] [2024-08-27 04:00:37,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:37,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 04:00:37,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:37,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 04:00:37,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-08-27 04:00:37,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:37,737 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:37,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-08-27 04:00:37,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:37,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:37,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:38,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:38,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-27 04:00:38,355 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork4Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-27 04:00:38,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:38,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1210679201, now seen corresponding path program 1 times [2024-08-27 04:00:38,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:38,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961290004] [2024-08-27 04:00:38,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:38,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:38,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:38,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:38,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961290004] [2024-08-27 04:00:38,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961290004] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:00:38,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 04:00:38,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 04:00:38,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277808726] [2024-08-27 04:00:38,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:38,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 04:00:38,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:38,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 04:00:38,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 04:00:38,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:38,472 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:38,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:00:38,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:38,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:38,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:38,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:38,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:38,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:38,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:38,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:38,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-27 04:00:38,633 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork4Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-27 04:00:38,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:38,633 INFO L85 PathProgramCache]: Analyzing trace with hash -45912441, now seen corresponding path program 2 times [2024-08-27 04:00:38,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:38,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673314644] [2024-08-27 04:00:38,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:38,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:38,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:38,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:38,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673314644] [2024-08-27 04:00:38,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673314644] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:00:38,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 04:00:38,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-27 04:00:38,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758079583] [2024-08-27 04:00:38,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:38,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 04:00:38,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:38,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 04:00:38,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-27 04:00:38,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:38,826 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:38,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:00:38,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:38,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:38,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:38,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:38,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:39,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:39,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:39,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:39,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:39,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:00:39,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-27 04:00:39,025 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork4Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-27 04:00:39,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:39,026 INFO L85 PathProgramCache]: Analyzing trace with hash 2076796703, now seen corresponding path program 1 times [2024-08-27 04:00:39,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:39,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383470353] [2024-08-27 04:00:39,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:39,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:39,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:39,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:39,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383470353] [2024-08-27 04:00:39,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383470353] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:39,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803332892] [2024-08-27 04:00:39,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:39,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:39,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:39,270 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:00:39,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-27 04:00:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:39,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 7 conjunts are in the unsatisfiable core [2024-08-27 04:00:39,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:00:39,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:39,608 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:00:39,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:39,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803332892] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 04:00:39,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 04:00:39,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-08-27 04:00:39,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061824315] [2024-08-27 04:00:39,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 04:00:39,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-27 04:00:39,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:39,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-27 04:00:39,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-08-27 04:00:39,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:39,731 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:39,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.916666666666666) internal successors, (119), 11 states have internal predecessors, (119), 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) [2024-08-27 04:00:39,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:39,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:39,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:39,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:39,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:00:39,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:39,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:39,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:39,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:39,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:39,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:00:39,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:00:39,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-27 04:00:40,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-08-27 04:00:40,176 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork4Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-27 04:00:40,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:40,176 INFO L85 PathProgramCache]: Analyzing trace with hash -838696569, now seen corresponding path program 2 times [2024-08-27 04:00:40,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:40,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85105795] [2024-08-27 04:00:40,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:40,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:40,384 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:40,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:40,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85105795] [2024-08-27 04:00:40,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85105795] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:40,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35242447] [2024-08-27 04:00:40,385 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-27 04:00:40,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:40,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:40,389 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:00:40,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-27 04:00:40,514 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-27 04:00:40,531 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 04:00:40,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 4 conjunts are in the unsatisfiable core [2024-08-27 04:00:40,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:00:40,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-27 04:00:40,674 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-27 04:00:40,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35242447] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:00:40,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-27 04:00:40,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-08-27 04:00:40,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734167482] [2024-08-27 04:00:40,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:40,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 04:00:40,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:40,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 04:00:40,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-08-27 04:00:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:40,679 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:40,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:00:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:40,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:40,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:40,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:40,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:00:40,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:00:40,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:41,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:41,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:41,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:41,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:41,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:00:41,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:00:41,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:41,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-08-27 04:00:41,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:41,268 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork4Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-27 04:00:41,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:41,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1926968053, now seen corresponding path program 1 times [2024-08-27 04:00:41,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:41,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038883427] [2024-08-27 04:00:41,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:41,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:41,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-27 04:00:41,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:41,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038883427] [2024-08-27 04:00:41,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038883427] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:00:41,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 04:00:41,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 04:00:41,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322806148] [2024-08-27 04:00:41,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:41,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 04:00:41,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:41,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 04:00:41,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 04:00:41,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:41,355 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:41,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-08-27 04:00:41,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:41,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:41,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:41,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:41,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:00:41,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:00:41,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:41,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:41,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:41,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:41,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:41,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:41,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:00:41,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:00:41,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:41,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:41,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-08-27 04:00:41,659 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork4Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-27 04:00:41,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:41,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1258080747, now seen corresponding path program 1 times [2024-08-27 04:00:41,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:41,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749181406] [2024-08-27 04:00:41,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:41,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:42,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:42,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:42,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749181406] [2024-08-27 04:00:42,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749181406] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:42,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160302352] [2024-08-27 04:00:42,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:42,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:42,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:42,383 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:00:42,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-27 04:00:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:42,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 28 conjunts are in the unsatisfiable core [2024-08-27 04:00:42,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:00:42,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:42,823 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:00:45,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:45,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160302352] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 04:00:45,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 04:00:45,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 10] total 21 [2024-08-27 04:00:45,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419708529] [2024-08-27 04:00:45,206 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 04:00:45,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-08-27 04:00:45,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:45,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-08-27 04:00:45,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2024-08-27 04:00:45,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:45,208 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:45,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 4.545454545454546) internal successors, (100), 22 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:00:45,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:45,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:45,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:45,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:45,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:00:45,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:00:45,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:45,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:45,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:48,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:48,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:48,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:48,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:48,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:00:48,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:00:48,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:48,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 04:00:48,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-08-27 04:00:48,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:48,271 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork4Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-27 04:00:48,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:48,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1603712758, now seen corresponding path program 1 times [2024-08-27 04:00:48,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:48,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512661080] [2024-08-27 04:00:48,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:48,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:49,024 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:49,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:49,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512661080] [2024-08-27 04:00:49,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512661080] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:49,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67242301] [2024-08-27 04:00:49,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:49,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:49,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:49,027 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:00:49,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-27 04:00:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:49,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 29 conjunts are in the unsatisfiable core [2024-08-27 04:00:49,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:00:49,453 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:49,453 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:00:51,415 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:51,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67242301] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 04:00:51,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 04:00:51,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 23 [2024-08-27 04:00:51,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336096794] [2024-08-27 04:00:51,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 04:00:51,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-08-27 04:00:51,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:51,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-08-27 04:00:51,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=466, Unknown=0, NotChecked=0, Total=600 [2024-08-27 04:00:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:51,418 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:51,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 4.125) internal successors, (99), 24 states have internal predecessors, (99), 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) [2024-08-27 04:00:51,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:51,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:51,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:51,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:51,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:00:51,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:00:51,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:51,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:51,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 04:00:51,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.