./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-two-queue.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-two-queue.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-23 02:38:17,631 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-23 02:38:17,706 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-23 02:38:17,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-23 02:38:17,714 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-23 02:38:17,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-23 02:38:17,763 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-23 02:38:17,764 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-23 02:38:17,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-23 02:38:17,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-23 02:38:17,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-23 02:38:17,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-23 02:38:17,766 INFO L153 SettingsManager]: * Use SBE=true [2024-08-23 02:38:17,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-23 02:38:17,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-23 02:38:17,770 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-23 02:38:17,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-23 02:38:17,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-23 02:38:17,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-23 02:38:17,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-23 02:38:17,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-23 02:38:17,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-23 02:38:17,774 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-23 02:38:17,774 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-23 02:38:17,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-23 02:38:17,775 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-23 02:38:17,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-23 02:38:17,775 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-23 02:38:17,775 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-23 02:38:17,776 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-23 02:38:17,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 02:38:17,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-23 02:38:17,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-23 02:38:17,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-23 02:38:17,777 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-23 02:38:17,777 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-23 02:38:17,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-23 02:38:17,778 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-23 02:38:17,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-23 02:38:17,778 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-23 02:38:17,778 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-23 02:38:17,779 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-23 02:38:17,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-23 02:38:18,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-23 02:38:18,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-23 02:38:18,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-23 02:38:18,067 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-23 02:38:18,068 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-23 02:38:18,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-two-queue.wvr.yml/witness.yml [2024-08-23 02:38:18,160 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-23 02:38:18,160 INFO L274 PluginConnector]: CDTParser initialized [2024-08-23 02:38:18,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c [2024-08-23 02:38:19,603 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-23 02:38:19,786 INFO L384 CDTParser]: Found 1 translation units. [2024-08-23 02:38:19,786 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c [2024-08-23 02:38:19,793 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/34a9b59bf/170ff051d8574c69903a1103e1fca672/FLAGe3f94b211 [2024-08-23 02:38:19,805 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/34a9b59bf/170ff051d8574c69903a1103e1fca672 [2024-08-23 02:38:19,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-23 02:38:19,807 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-23 02:38:19,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-23 02:38:19,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-23 02:38:19,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-23 02:38:19,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 02:38:18" (1/2) ... [2024-08-23 02:38:19,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7051a694 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 02:38:19, skipping insertion in model container [2024-08-23 02:38:19,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 02:38:18" (1/2) ... [2024-08-23 02:38:19,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@54f7a860 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 02:38:19, skipping insertion in model container [2024-08-23 02:38:19,815 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 02:38:19" (2/2) ... [2024-08-23 02:38:19,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7051a694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:38:19, skipping insertion in model container [2024-08-23 02:38:19,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 02:38:19" (2/2) ... [2024-08-23 02:38:19,816 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-23 02:38:19,826 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-23 02:38:19,827 INFO L97 edCorrectnessWitness]: Location invariant before [L98-L98] ! multithreaded || ((((((((((((((((((((((((((((((((((((2147483648LL + (long long )n1) + (long long )q1_front >= 0LL && (2147483648LL + (long long )n1) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )N) + (long long )n1 >= 0LL) && (2147483647LL - (long long )N) + (long long )n1 >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q1_front >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_back >= 0LL) && (3221225471LL + (long long )N) - (long long )n1 >= 0LL) && (3221225471LL + (long long )N) - (long long )n2 >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )N) - (long long )q1_front >= 0LL) && (4294967295LL + (long long )N) - (long long )q1_back >= 0LL) && (4294967295LL + (long long )N) - (long long )q2_back >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )N) - (long long )n1 >= 0LL) && (3221225470LL - (long long )N) - (long long )n2 >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_back >= 0LL) [2024-08-23 02:38:19,827 INFO L97 edCorrectnessWitness]: Location invariant before [L97-L97] ! multithreaded || ((((((((((((((((((((((((((((((((((((2147483648LL + (long long )n1) + (long long )q1_front >= 0LL && (2147483648LL + (long long )n1) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )N) + (long long )n1 >= 0LL) && (2147483647LL - (long long )N) + (long long )n1 >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q1_front >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_back >= 0LL) && (3221225471LL + (long long )N) - (long long )n1 >= 0LL) && (3221225471LL + (long long )N) - (long long )n2 >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )N) - (long long )q1_front >= 0LL) && (4294967295LL + (long long )N) - (long long )q1_back >= 0LL) && (4294967295LL + (long long )N) - (long long )q2_back >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )N) - (long long )n1 >= 0LL) && (3221225470LL - (long long )N) - (long long )n2 >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_back >= 0LL) [2024-08-23 02:38:19,828 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-23 02:38:19,828 INFO L106 edCorrectnessWitness]: ghost_update [L96-L96] multithreaded = 1; [2024-08-23 02:38:19,849 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-23 02:38:20,028 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 02:38:20,046 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-23 02:38:20,163 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 02:38:20,184 INFO L206 MainTranslator]: Completed translation [2024-08-23 02:38:20,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:38:20 WrapperNode [2024-08-23 02:38:20,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-23 02:38:20,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-23 02:38:20,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-23 02:38:20,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-23 02:38:20,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:38:20" (1/1) ... [2024-08-23 02:38:20,204 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:38:20" (1/1) ... [2024-08-23 02:38:20,249 INFO L138 Inliner]: procedures = 23, calls = 34, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 205 [2024-08-23 02:38:20,249 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-23 02:38:20,250 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-23 02:38:20,250 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-23 02:38:20,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-23 02:38:20,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:38:20" (1/1) ... [2024-08-23 02:38:20,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:38:20" (1/1) ... [2024-08-23 02:38:20,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:38:20" (1/1) ... [2024-08-23 02:38:20,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:38:20" (1/1) ... [2024-08-23 02:38:20,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:38:20" (1/1) ... [2024-08-23 02:38:20,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:38:20" (1/1) ... [2024-08-23 02:38:20,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:38:20" (1/1) ... [2024-08-23 02:38:20,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:38:20" (1/1) ... [2024-08-23 02:38:20,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-23 02:38:20,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-23 02:38:20,293 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-23 02:38:20,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-23 02:38:20,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:38:20" (1/1) ... [2024-08-23 02:38:20,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 02:38:20,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:38:20,324 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) [2024-08-23 02:38:20,325 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 [2024-08-23 02:38:20,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-23 02:38:20,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-23 02:38:20,353 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-23 02:38:20,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-23 02:38:20,353 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-23 02:38:20,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-23 02:38:20,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-23 02:38:20,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-23 02:38:20,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-23 02:38:20,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-23 02:38:20,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-23 02:38:20,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-23 02:38:20,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-23 02:38:20,356 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-23 02:38:20,442 INFO L243 CfgBuilder]: Building ICFG [2024-08-23 02:38:20,444 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-23 02:38:20,866 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-23 02:38:20,866 INFO L292 CfgBuilder]: Performing block encoding [2024-08-23 02:38:21,196 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-23 02:38:21,197 INFO L319 CfgBuilder]: Removed 4 assume(true) statements. [2024-08-23 02:38:21,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 02:38:21 BoogieIcfgContainer [2024-08-23 02:38:21,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-23 02:38:21,201 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-23 02:38:21,201 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-23 02:38:21,205 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-23 02:38:21,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 02:38:18" (1/4) ... [2024-08-23 02:38:21,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd360bc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 02:38:21, skipping insertion in model container [2024-08-23 02:38:21,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.08 02:38:19" (2/4) ... [2024-08-23 02:38:21,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd360bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 02:38:21, skipping insertion in model container [2024-08-23 02:38:21,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:38:20" (3/4) ... [2024-08-23 02:38:21,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd360bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 02:38:21, skipping insertion in model container [2024-08-23 02:38:21,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 02:38:21" (4/4) ... [2024-08-23 02:38:21,209 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-two-queue.wvr.c [2024-08-23 02:38:21,228 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-23 02:38:21,228 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-23 02:38:21,228 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-23 02:38:21,283 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-23 02:38:21,326 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 02:38:21,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 02:38:21,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:38:21,328 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) [2024-08-23 02:38:21,330 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 [2024-08-23 02:38:21,367 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 02:38:21,384 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-23 02:38:21,391 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;@7756217b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 02:38:21,391 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-23 02:38:21,525 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:38:21,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:38:21,531 INFO L85 PathProgramCache]: Analyzing trace with hash -288444477, now seen corresponding path program 1 times [2024-08-23 02:38:21,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:38:21,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110747784] [2024-08-23 02:38:21,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:38:21,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:38:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:38:23,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:38:23,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:38:23,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110747784] [2024-08-23 02:38:23,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110747784] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:38:23,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 02:38:23,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-23 02:38:23,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120003860] [2024-08-23 02:38:23,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:38:23,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-23 02:38:23,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:38:23,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-23 02:38:23,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-23 02:38:23,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:38:23,061 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:38:23,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 02:38:23,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:38:23,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:23,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-23 02:38:23,132 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:38:23,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:38:23,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1894107090, now seen corresponding path program 1 times [2024-08-23 02:38:23,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:38:23,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13455864] [2024-08-23 02:38:23,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:38:23,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:38:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:38:24,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:38:24,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:38:24,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13455864] [2024-08-23 02:38:24,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13455864] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:38:24,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745587792] [2024-08-23 02:38:24,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:38:24,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:38:24,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:38:24,073 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) [2024-08-23 02:38:24,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-23 02:38:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:38:24,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 23 conjunts are in the unsatisfiable core [2024-08-23 02:38:24,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:38:24,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:38:24,531 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 02:38:26,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:38:26,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745587792] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 02:38:26,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 02:38:26,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 11 [2024-08-23 02:38:26,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839574708] [2024-08-23 02:38:26,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 02:38:26,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-08-23 02:38:26,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:38:26,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-08-23 02:38:26,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-08-23 02:38:26,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:38:26,573 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:38:26,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.25) internal successors, (27), 12 states have internal predecessors, (27), 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) [2024-08-23 02:38:26,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:26,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:38:27,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:27,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:38:27,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-08-23 02:38:27,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-08-23 02:38:27,542 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:38:27,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:38:27,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1772286595, now seen corresponding path program 2 times [2024-08-23 02:38:27,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:38:27,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572125614] [2024-08-23 02:38:27,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:38:27,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:38:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:38:28,661 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:38:28,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:38:28,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572125614] [2024-08-23 02:38:28,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572125614] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:38:28,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280486189] [2024-08-23 02:38:28,663 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-23 02:38:28,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:38:28,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:38:28,665 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) [2024-08-23 02:38:28,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-23 02:38:28,745 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-23 02:38:28,745 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 02:38:28,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 20 conjunts are in the unsatisfiable core [2024-08-23 02:38:28,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:38:29,029 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-23 02:38:29,030 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 02:38:29,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280486189] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:38:29,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-23 02:38:29,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 10 [2024-08-23 02:38:29,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359270011] [2024-08-23 02:38:29,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:38:29,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-23 02:38:29,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:38:29,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-23 02:38:29,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-08-23 02:38:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:38:29,035 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:38:29,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 02:38:29,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:29,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:38:29,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:38:29,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:29,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:38:29,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:38:29,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-08-23 02:38:29,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:38:29,276 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:38:29,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:38:29,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1438095535, now seen corresponding path program 1 times [2024-08-23 02:38:29,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:38:29,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854735956] [2024-08-23 02:38:29,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:38:29,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:38:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:38:30,604 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:38:30,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:38:30,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854735956] [2024-08-23 02:38:30,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854735956] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:38:30,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322511419] [2024-08-23 02:38:30,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:38:30,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:38:30,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:38:30,606 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) [2024-08-23 02:38:30,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-23 02:38:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:38:30,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 30 conjunts are in the unsatisfiable core [2024-08-23 02:38:30,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:38:31,167 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:38:31,167 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 02:38:33,621 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:38:33,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322511419] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 02:38:33,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 02:38:33,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 24 [2024-08-23 02:38:33,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351479066] [2024-08-23 02:38:33,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 02:38:33,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-08-23 02:38:33,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:38:33,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-08-23 02:38:33,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=513, Unknown=0, NotChecked=0, Total=650 [2024-08-23 02:38:33,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:38:33,625 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:38:33,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 1.56) internal successors, (39), 25 states have internal predecessors, (39), 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) [2024-08-23 02:38:33,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:33,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:38:33,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:38:33,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:38:35,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:35,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:38:35,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:38:35,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 02:38:35,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-08-23 02:38:36,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:38:36,063 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:38:36,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:38:36,064 INFO L85 PathProgramCache]: Analyzing trace with hash 392682289, now seen corresponding path program 2 times [2024-08-23 02:38:36,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:38:36,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212419260] [2024-08-23 02:38:36,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:38:36,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:38:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:38:38,225 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:38:38,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:38:38,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212419260] [2024-08-23 02:38:38,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212419260] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:38:38,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557446512] [2024-08-23 02:38:38,226 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-23 02:38:38,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:38:38,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:38:38,228 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) [2024-08-23 02:38:38,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-23 02:38:38,319 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-23 02:38:38,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 02:38:38,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 22 conjunts are in the unsatisfiable core [2024-08-23 02:38:38,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:38:38,720 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-08-23 02:38:38,721 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 02:38:38,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557446512] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:38:38,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-23 02:38:38,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [14] total 16 [2024-08-23 02:38:38,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193302405] [2024-08-23 02:38:38,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:38:38,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 02:38:38,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:38:38,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 02:38:38,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=271, Unknown=0, NotChecked=0, Total=306 [2024-08-23 02:38:38,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:38:38,722 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:38:38,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 02:38:38,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:38,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:38:38,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:38:38,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-23 02:38:38,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:38:39,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:39,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:38:39,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:38:39,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 02:38:39,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:39,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-08-23 02:38:39,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:38:39,309 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:38:39,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:38:39,310 INFO L85 PathProgramCache]: Analyzing trace with hash 340168298, now seen corresponding path program 1 times [2024-08-23 02:38:39,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:38:39,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115888676] [2024-08-23 02:38:39,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:38:39,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:38:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:38:39,515 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-08-23 02:38:39,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:38:39,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115888676] [2024-08-23 02:38:39,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115888676] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:38:39,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321732264] [2024-08-23 02:38:39,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:38:39,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:38:39,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:38:39,517 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 02:38:39,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-23 02:38:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:38:39,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-23 02:38:39,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:38:39,710 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-08-23 02:38:39,710 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 02:38:39,821 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-08-23 02:38:39,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321732264] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 02:38:39,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 02:38:39,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-08-23 02:38:39,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497077801] [2024-08-23 02:38:39,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 02:38:39,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-23 02:38:39,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:38:39,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-23 02:38:39,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-08-23 02:38:39,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:38:39,828 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:38:39,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 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) [2024-08-23 02:38:39,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:39,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:38:39,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:38:39,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-23 02:38:39,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:39,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:38:39,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:39,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:38:39,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:38:39,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 02:38:39,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:39,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:38:39,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-08-23 02:38:40,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:38:40,152 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:38:40,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:38:40,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1521960292, now seen corresponding path program 2 times [2024-08-23 02:38:40,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:38:40,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155422342] [2024-08-23 02:38:40,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:38:40,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:38:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:38:40,269 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-08-23 02:38:40,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:38:40,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155422342] [2024-08-23 02:38:40,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155422342] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:38:40,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 02:38:40,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-23 02:38:40,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917185082] [2024-08-23 02:38:40,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:38:40,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 02:38:40,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:38:40,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 02:38:40,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-23 02:38:40,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:38:40,272 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:38:40,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-08-23 02:38:40,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:40,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:38:40,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:38:40,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-23 02:38:40,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:40,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:38:40,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:38:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:38:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:38:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 02:38:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:38:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:40,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-08-23 02:38:40,324 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:38:40,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:38:40,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1562413022, now seen corresponding path program 3 times [2024-08-23 02:38:40,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:38:40,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239595380] [2024-08-23 02:38:40,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:38:40,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:38:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:38:42,293 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:38:42,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:38:42,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239595380] [2024-08-23 02:38:42,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239595380] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:38:42,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578769926] [2024-08-23 02:38:42,293 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-23 02:38:42,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:38:42,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:38:42,295 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 02:38:42,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-08-23 02:38:42,436 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-08-23 02:38:42,436 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 02:38:42,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 51 conjunts are in the unsatisfiable core [2024-08-23 02:38:42,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:38:44,090 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-08-23 02:38:44,090 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 02:38:47,802 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-08-23 02:38:47,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578769926] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 02:38:47,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 02:38:47,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 14, 14] total 50 [2024-08-23 02:38:47,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433657306] [2024-08-23 02:38:47,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 02:38:47,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-08-23 02:38:47,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:38:47,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-08-23 02:38:47,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=411, Invalid=2241, Unknown=0, NotChecked=0, Total=2652 [2024-08-23 02:38:47,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:38:47,806 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:38:47,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 51 states have (on average 1.803921568627451) internal successors, (92), 51 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 02:38:47,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:47,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:38:47,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:38:47,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-23 02:38:47,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:47,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:38:47,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:47,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:38:52,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:52,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:38:52,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:38:52,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 02:38:52,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:52,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:38:52,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:52,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-08-23 02:38:52,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-08-23 02:38:53,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-08-23 02:38:53,088 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:38:53,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:38:53,088 INFO L85 PathProgramCache]: Analyzing trace with hash 994741659, now seen corresponding path program 4 times [2024-08-23 02:38:53,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:38:53,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059802935] [2024-08-23 02:38:53,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:38:53,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:38:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:38:55,627 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:38:55,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:38:55,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059802935] [2024-08-23 02:38:55,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059802935] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:38:55,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34988964] [2024-08-23 02:38:55,629 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-23 02:38:55,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:38:55,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:38:55,631 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 02:38:55,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-23 02:38:55,759 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-23 02:38:55,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 02:38:55,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 60 conjunts are in the unsatisfiable core [2024-08-23 02:38:55,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:38:57,501 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 6 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:38:57,502 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 02:39:04,211 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:39:04,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34988964] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 02:39:04,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 02:39:04,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 25] total 76 [2024-08-23 02:39:04,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669818865] [2024-08-23 02:39:04,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 02:39:04,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-08-23 02:39:04,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:39:04,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-08-23 02:39:04,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1014, Invalid=4992, Unknown=0, NotChecked=0, Total=6006 [2024-08-23 02:39:04,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:39:04,219 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:39:04,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 77 states have (on average 1.7922077922077921) internal successors, (138), 77 states have internal predecessors, (138), 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) [2024-08-23 02:39:04,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:39:04,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:39:04,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:39:04,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-23 02:39:04,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:39:04,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:39:04,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:39:04,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-08-23 02:39:04,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:39:24,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:39:24,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:39:24,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:39:24,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 02:39:24,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:39:24,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:39:24,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:39:24,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-08-23 02:39:24,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-08-23 02:39:24,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-08-23 02:39:24,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:39:24,692 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:39:24,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:39:24,692 INFO L85 PathProgramCache]: Analyzing trace with hash 25774528, now seen corresponding path program 5 times [2024-08-23 02:39:24,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:39:24,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893915826] [2024-08-23 02:39:24,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:39:24,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:39:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:39:24,996 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-08-23 02:39:24,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:39:24,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893915826] [2024-08-23 02:39:24,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893915826] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:39:24,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133433746] [2024-08-23 02:39:24,997 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-23 02:39:24,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:39:24,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:39:24,999 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 02:39:25,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-08-23 02:39:30,083 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-08-23 02:39:30,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 02:39:30,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 13 conjunts are in the unsatisfiable core [2024-08-23 02:39:30,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:39:30,333 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 20 proven. 22 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-08-23 02:39:30,333 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 02:39:30,601 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 23 proven. 19 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-08-23 02:39:30,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133433746] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 02:39:30,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 02:39:30,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 29 [2024-08-23 02:39:30,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502693054] [2024-08-23 02:39:30,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 02:39:30,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-08-23 02:39:30,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:39:30,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-08-23 02:39:30,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2024-08-23 02:39:30,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:39:30,603 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:39:30,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.275862068965517) internal successors, (124), 29 states have internal predecessors, (124), 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) [2024-08-23 02:39:30,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:39:30,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:39:30,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:39:30,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-23 02:39:30,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:39:30,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:39:30,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:39:30,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-08-23 02:39:30,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-08-23 02:39:30,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:39:30,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:39:30,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:39:30,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:39:30,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 02:39:30,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:39:30,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:39:30,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:39:30,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-08-23 02:39:30,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-08-23 02:39:30,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 02:39:30,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-08-23 02:39:30,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-08-23 02:39:30,978 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:39:30,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:39:30,979 INFO L85 PathProgramCache]: Analyzing trace with hash -2133523022, now seen corresponding path program 6 times [2024-08-23 02:39:30,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:39:30,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254315796] [2024-08-23 02:39:30,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:39:30,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:39:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:39:34,933 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 0 proven. 346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:39:34,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:39:34,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254315796] [2024-08-23 02:39:34,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254315796] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:39:34,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623075966] [2024-08-23 02:39:34,933 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-23 02:39:34,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:39:34,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:39:34,934 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 02:39:34,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-08-23 02:39:35,187 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-08-23 02:39:35,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 02:39:35,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 34 conjunts are in the unsatisfiable core [2024-08-23 02:39:35,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:39:36,708 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-08-23 02:39:36,708 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 02:39:36,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623075966] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:39:36,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-23 02:39:36,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [42] total 50 [2024-08-23 02:39:36,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041297765] [2024-08-23 02:39:36,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:39:36,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-08-23 02:39:36,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:39:36,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-08-23 02:39:36,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=2518, Unknown=0, NotChecked=0, Total=2652 [2024-08-23 02:39:36,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:39:36,710 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:39:36,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 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) [2024-08-23 02:39:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:39:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-23 02:39:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:39:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-23 02:39:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:39:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:39:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:39:36,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-08-23 02:39:36,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-08-23 02:39:36,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-23 02:39:36,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:40:10,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:40:10,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 02:40:10,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:40:10,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-08-23 02:40:10,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:40:10,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:40:10,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:40:10,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-08-23 02:40:10,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-08-23 02:40:10,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-23 02:40:10,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-23 02:40:10,101 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-08-23 02:40:10,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-08-23 02:40:10,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-08-23 02:40:10,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-08-23 02:40:10,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-08-23 02:40:10,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-08-23 02:40:10,308 INFO L445 BasicCegarLoop]: Path program histogram: [6, 2, 2, 1] [2024-08-23 02:40:10,310 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-23 02:40:10,310 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-23 02:40:10,312 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-08-23 02:40:10,312 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-08-23 02:40:10,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 02:40:10 BasicIcfg [2024-08-23 02:40:10,313 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-23 02:40:10,313 INFO L158 Benchmark]: Toolchain (without parser) took 110506.45ms. Allocated memory was 167.8MB in the beginning and 587.2MB in the end (delta: 419.4MB). Free memory was 110.1MB in the beginning and 422.1MB in the end (delta: -312.0MB). Peak memory consumption was 109.2MB. Max. memory is 16.1GB. [2024-08-23 02:40:10,314 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 167.8MB. Free memory was 132.5MB in the beginning and 132.4MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 02:40:10,314 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 167.8MB. Free memory is still 129.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 02:40:10,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.34ms. Allocated memory is still 167.8MB. Free memory was 109.4MB in the beginning and 93.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-23 02:40:10,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.99ms. Allocated memory is still 167.8MB. Free memory was 93.3MB in the beginning and 90.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-23 02:40:10,314 INFO L158 Benchmark]: Boogie Preprocessor took 42.09ms. Allocated memory is still 167.8MB. Free memory was 90.5MB in the beginning and 89.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-23 02:40:10,315 INFO L158 Benchmark]: RCFGBuilder took 905.21ms. Allocated memory is still 167.8MB. Free memory was 89.2MB in the beginning and 109.1MB in the end (delta: -20.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-08-23 02:40:10,315 INFO L158 Benchmark]: TraceAbstraction took 109112.46ms. Allocated memory was 167.8MB in the beginning and 587.2MB in the end (delta: 419.4MB). Free memory was 107.9MB in the beginning and 422.1MB in the end (delta: -314.2MB). Peak memory consumption was 107.2MB. Max. memory is 16.1GB. [2024-08-23 02:40:10,316 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.23ms. Allocated memory is still 167.8MB. Free memory was 132.5MB in the beginning and 132.4MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 167.8MB. Free memory is still 129.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.34ms. Allocated memory is still 167.8MB. Free memory was 109.4MB in the beginning and 93.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.99ms. Allocated memory is still 167.8MB. Free memory was 93.3MB in the beginning and 90.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.09ms. Allocated memory is still 167.8MB. Free memory was 90.5MB in the beginning and 89.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 905.21ms. Allocated memory is still 167.8MB. Free memory was 89.2MB in the beginning and 109.1MB in the end (delta: -20.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 109112.46ms. Allocated memory was 167.8MB in the beginning and 587.2MB in the end (delta: 419.4MB). Free memory was 107.9MB in the beginning and 422.1MB in the end (delta: -314.2MB). Peak memory consumption was 107.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18345, independent: 16254, independent conditional: 15946, independent unconditional: 308, dependent: 2091, dependent conditional: 2085, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16398, independent: 16254, independent conditional: 15946, independent unconditional: 308, dependent: 144, dependent conditional: 138, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16398, independent: 16254, independent conditional: 15946, independent unconditional: 308, dependent: 144, dependent conditional: 138, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17966, independent: 16254, independent conditional: 956, independent unconditional: 15298, dependent: 1712, dependent conditional: 612, dependent unconditional: 1100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17966, independent: 16254, independent conditional: 956, independent unconditional: 15298, dependent: 1712, dependent conditional: 492, dependent unconditional: 1220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17966, independent: 16254, independent conditional: 956, independent unconditional: 15298, dependent: 1712, dependent conditional: 492, dependent unconditional: 1220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 345, independent: 279, independent conditional: 12, independent unconditional: 267, dependent: 66, dependent conditional: 60, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 345, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 95, independent: 29, independent conditional: 12, independent unconditional: 17, dependent: 66, dependent conditional: 60, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 95, independent: 29, independent conditional: 12, independent unconditional: 17, dependent: 66, dependent conditional: 60, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 529, independent: 220, independent conditional: 84, independent unconditional: 136, dependent: 309, dependent conditional: 276, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 17966, independent: 15975, independent conditional: 944, independent unconditional: 15031, dependent: 1646, dependent conditional: 432, dependent unconditional: 1214, unknown: 345, unknown conditional: 72, unknown unconditional: 273] , Statistics on independence cache: Total cache size (in pairs): 345, Positive cache size: 279, Positive conditional cache size: 12, Positive unconditional cache size: 267, Negative cache size: 66, Negative conditional cache size: 60, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 120, Maximal queried relation: 9, Independence queries for same thread: 1947 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 57, Number of trivial persistent sets: 40, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 314, independent: 308, independent conditional: 0, independent unconditional: 308, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18345, independent: 16254, independent conditional: 15946, independent unconditional: 308, dependent: 2091, dependent conditional: 2085, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16398, independent: 16254, independent conditional: 15946, independent unconditional: 308, dependent: 144, dependent conditional: 138, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16398, independent: 16254, independent conditional: 15946, independent unconditional: 308, dependent: 144, dependent conditional: 138, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17966, independent: 16254, independent conditional: 956, independent unconditional: 15298, dependent: 1712, dependent conditional: 612, dependent unconditional: 1100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17966, independent: 16254, independent conditional: 956, independent unconditional: 15298, dependent: 1712, dependent conditional: 492, dependent unconditional: 1220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17966, independent: 16254, independent conditional: 956, independent unconditional: 15298, dependent: 1712, dependent conditional: 492, dependent unconditional: 1220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 345, independent: 279, independent conditional: 12, independent unconditional: 267, dependent: 66, dependent conditional: 60, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 345, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 95, independent: 29, independent conditional: 12, independent unconditional: 17, dependent: 66, dependent conditional: 60, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 95, independent: 29, independent conditional: 12, independent unconditional: 17, dependent: 66, dependent conditional: 60, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 529, independent: 220, independent conditional: 84, independent unconditional: 136, dependent: 309, dependent conditional: 276, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 17966, independent: 15975, independent conditional: 944, independent unconditional: 15031, dependent: 1646, dependent conditional: 432, dependent unconditional: 1214, unknown: 345, unknown conditional: 72, unknown unconditional: 273] , Statistics on independence cache: Total cache size (in pairs): 345, Positive cache size: 279, Positive conditional cache size: 12, Positive unconditional cache size: 267, Negative cache size: 66, Negative conditional cache size: 60, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 120, Maximal queried relation: 9, Independence queries for same thread: 1947 - PositiveResult [Line: 97]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 98]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 109.0s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 62.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 238, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 5.7s SatisfiabilityAnalysisTime, 37.6s InterpolantComputationTime, 666 NumberOfCodeBlocks, 605 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 850 ConstructedInterpolants, 0 QuantifiedInterpolants, 28274 SizeOfPredicates, 44 NumberOfNonLiveVariables, 2076 ConjunctsInSsa, 261 ConjunctsInUnsatCore, 26 InterpolantComputations, 5 PerfectInterpolantSequences, 1742/2594 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-23 02:40:10,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-23 02:40:10,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE