./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-local/popl20-more-array-sum2.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-more-array-sum2.wvr.c ./goblint.2024-08-08_07-59-58.files/mutex-meet-local/popl20-more-array-sum2.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-23 06:30:17,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-23 06:30:17,550 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-23 06:30:17,555 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-23 06:30:17,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-23 06:30:17,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-23 06:30:17,580 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-23 06:30:17,581 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-23 06:30:17,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-23 06:30:17,582 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-23 06:30:17,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-23 06:30:17,583 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-23 06:30:17,583 INFO L153 SettingsManager]: * Use SBE=true [2024-08-23 06:30:17,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-23 06:30:17,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-23 06:30:17,584 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-23 06:30:17,585 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-23 06:30:17,585 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-23 06:30:17,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-23 06:30:17,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-23 06:30:17,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-23 06:30:17,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-23 06:30:17,587 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-23 06:30:17,587 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-23 06:30:17,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-23 06:30:17,588 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-23 06:30:17,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-23 06:30:17,589 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-23 06:30:17,589 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-23 06:30:17,589 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-23 06:30:17,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 06:30:17,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-23 06:30:17,590 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-23 06:30:17,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-23 06:30:17,591 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-23 06:30:17,591 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-23 06:30:17,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-23 06:30:17,592 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-23 06:30:17,592 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-23 06:30:17,595 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-23 06:30:17,596 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-23 06:30:17,596 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-23 06:30:17,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-23 06:30:17,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-23 06:30:17,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-23 06:30:17,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-23 06:30:17,925 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-23 06:30:17,926 INFO L274 PluginConnector]: CDTParser initialized [2024-08-23 06:30:17,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2024-08-23 06:30:19,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-23 06:30:19,661 INFO L384 CDTParser]: Found 1 translation units. [2024-08-23 06:30:19,662 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2024-08-23 06:30:19,670 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/526efa8db/ee1cbfaec2354f64922a5cab83d2696f/FLAGf0aacd8d2 [2024-08-23 06:30:19,683 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/526efa8db/ee1cbfaec2354f64922a5cab83d2696f [2024-08-23 06:30:19,686 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-23 06:30:19,686 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-23 06:30:19,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-local/popl20-more-array-sum2.wvr.yml/witness.yml [2024-08-23 06:30:19,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-23 06:30:19,881 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-23 06:30:19,882 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-23 06:30:19,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-23 06:30:19,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-23 06:30:19,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 06:30:19" (1/2) ... [2024-08-23 06:30:19,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200c0012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 06:30:19, skipping insertion in model container [2024-08-23 06:30:19,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 06:30:19" (1/2) ... [2024-08-23 06:30:19,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@39a2bf05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 06:30:19, skipping insertion in model container [2024-08-23 06:30:19,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 06:30:19" (2/2) ... [2024-08-23 06:30:19,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200c0012 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 06:30:19, skipping insertion in model container [2024-08-23 06:30:19,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 06:30:19" (2/2) ... [2024-08-23 06:30:19,892 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-23 06:30:19,928 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-23 06:30:19,931 INFO L97 edCorrectnessWitness]: Location invariant before [L70-L70] ((((((((((((((((((((2147483646LL + (long long )M) + (long long )N >= 0LL) && ((2147483647LL + (long long )N) + (long long )res1 >= 0LL)) && ((2147483647LL + (long long )N) + (long long )res2 >= 0LL)) && ((4294967295LL + (long long )M) + (long long )res1 >= 0LL)) && ((4294967295LL + (long long )M) + (long long )res2 >= 0LL)) && ((2147483645LL - (long long )M) + (long long )N >= 0LL)) && ((3221225471LL - (long long )N) + (long long )res1 >= 0LL)) && ((3221225471LL - (long long )N) + (long long )res2 >= 0LL)) && ((4294967294LL - (long long )M) + (long long )res1 >= 0LL)) && ((4294967294LL - (long long )M) + (long long )res2 >= 0LL)) && ((2147483646LL + (long long )N) - (long long )res1 >= 0LL)) && ((2147483646LL + (long long )N) - (long long )res2 >= 0LL)) && ((3221225470LL + (long long )M) - (long long )N >= 0LL)) && ((4294967294LL + (long long )M) - (long long )res1 >= 0LL)) && ((4294967294LL + (long long )M) - (long long )res2 >= 0LL)) && ((3221225469LL - (long long )M) - (long long )N >= 0LL)) && ((3221225470LL - (long long )N) - (long long )res1 >= 0LL)) && ((3221225470LL - (long long )N) - (long long )res2 >= 0LL)) && ((4294967293LL - (long long )M) - (long long )res1 >= 0LL)) && ((4294967293LL - (long long )M) - (long long )res2 >= 0LL) [2024-08-23 06:30:19,932 INFO L97 edCorrectnessWitness]: Location invariant before [L50-L50] ((((((((((((((((((((2147483646LL + (long long )M) + (long long )N >= 0LL) && ((2147483647LL + (long long )N) + (long long )res1 >= 0LL)) && ((2147483647LL + (long long )N) + (long long )res2 >= 0LL)) && ((4294967295LL + (long long )M) + (long long )res1 >= 0LL)) && ((4294967295LL + (long long )M) + (long long )res2 >= 0LL)) && ((2147483645LL - (long long )M) + (long long )N >= 0LL)) && ((3221225471LL - (long long )N) + (long long )res1 >= 0LL)) && ((3221225471LL - (long long )N) + (long long )res2 >= 0LL)) && ((4294967294LL - (long long )M) + (long long )res1 >= 0LL)) && ((4294967294LL - (long long )M) + (long long )res2 >= 0LL)) && ((2147483646LL + (long long )N) - (long long )res1 >= 0LL)) && ((2147483646LL + (long long )N) - (long long )res2 >= 0LL)) && ((3221225470LL + (long long )M) - (long long )N >= 0LL)) && ((4294967294LL + (long long )M) - (long long )res1 >= 0LL)) && ((4294967294LL + (long long )M) - (long long )res2 >= 0LL)) && ((3221225469LL - (long long )M) - (long long )N >= 0LL)) && ((3221225470LL - (long long )N) - (long long )res1 >= 0LL)) && ((3221225470LL - (long long )N) - (long long )res2 >= 0LL)) && ((4294967293LL - (long long )M) - (long long )res1 >= 0LL)) && ((4294967293LL - (long long )M) - (long long )res2 >= 0LL) [2024-08-23 06:30:19,932 INFO L97 edCorrectnessWitness]: Location invariant before [L60-L60] ((((((((((((((((((((2147483646LL + (long long )M) + (long long )N >= 0LL) && ((2147483647LL + (long long )N) + (long long )res1 >= 0LL)) && ((2147483647LL + (long long )N) + (long long )res2 >= 0LL)) && ((4294967295LL + (long long )M) + (long long )res1 >= 0LL)) && ((4294967295LL + (long long )M) + (long long )res2 >= 0LL)) && ((2147483645LL - (long long )M) + (long long )N >= 0LL)) && ((3221225471LL - (long long )N) + (long long )res1 >= 0LL)) && ((3221225471LL - (long long )N) + (long long )res2 >= 0LL)) && ((4294967294LL - (long long )M) + (long long )res1 >= 0LL)) && ((4294967294LL - (long long )M) + (long long )res2 >= 0LL)) && ((2147483646LL + (long long )N) - (long long )res1 >= 0LL)) && ((2147483646LL + (long long )N) - (long long )res2 >= 0LL)) && ((3221225470LL + (long long )M) - (long long )N >= 0LL)) && ((4294967294LL + (long long )M) - (long long )res1 >= 0LL)) && ((4294967294LL + (long long )M) - (long long )res2 >= 0LL)) && ((3221225469LL - (long long )M) - (long long )N >= 0LL)) && ((3221225470LL - (long long )N) - (long long )res1 >= 0LL)) && ((3221225470LL - (long long )N) - (long long )res2 >= 0LL)) && ((4294967293LL - (long long )M) - (long long )res1 >= 0LL)) && ((4294967293LL - (long long )M) - (long long )res2 >= 0LL) [2024-08-23 06:30:19,952 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-23 06:30:20,130 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c[2638,2651] [2024-08-23 06:30:20,143 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 06:30:20,152 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-23 06:30:20,252 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c[2638,2651] [2024-08-23 06:30:20,261 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 06:30:20,280 INFO L206 MainTranslator]: Completed translation [2024-08-23 06:30:20,280 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 06:30:20 WrapperNode [2024-08-23 06:30:20,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-23 06:30:20,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-23 06:30:20,282 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-23 06:30:20,282 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-23 06:30:20,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 06:30:20" (1/1) ... [2024-08-23 06:30:20,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 06:30:20" (1/1) ... [2024-08-23 06:30:20,364 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 267 [2024-08-23 06:30:20,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-23 06:30:20,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-23 06:30:20,366 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-23 06:30:20,366 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-23 06:30:20,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 06:30:20" (1/1) ... [2024-08-23 06:30:20,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 06:30:20" (1/1) ... [2024-08-23 06:30:20,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 06:30:20" (1/1) ... [2024-08-23 06:30:20,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 06:30:20" (1/1) ... [2024-08-23 06:30:20,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 06:30:20" (1/1) ... [2024-08-23 06:30:20,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 06:30:20" (1/1) ... [2024-08-23 06:30:20,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 06:30:20" (1/1) ... [2024-08-23 06:30:20,417 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 06:30:20" (1/1) ... [2024-08-23 06:30:20,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-23 06:30:20,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-23 06:30:20,430 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-23 06:30:20,430 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-23 06:30:20,431 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 06:30:20" (1/1) ... [2024-08-23 06:30:20,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 06:30:20,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:30:20,468 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 06:30:20,473 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 06:30:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-23 06:30:20,559 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-23 06:30:20,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-23 06:30:20,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-23 06:30:20,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-23 06:30:20,561 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-23 06:30:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-23 06:30:20,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-23 06:30:20,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-23 06:30:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-23 06:30:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-23 06:30:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-23 06:30:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-23 06:30:20,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-23 06:30:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-23 06:30:20,568 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 06:30:20,715 INFO L243 CfgBuilder]: Building ICFG [2024-08-23 06:30:20,717 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-23 06:30:21,168 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-23 06:30:21,168 INFO L292 CfgBuilder]: Performing block encoding [2024-08-23 06:30:21,661 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-23 06:30:21,662 INFO L319 CfgBuilder]: Removed 5 assume(true) statements. [2024-08-23 06:30:21,662 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 06:30:21 BoogieIcfgContainer [2024-08-23 06:30:21,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-23 06:30:21,665 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-23 06:30:21,666 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-23 06:30:21,669 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-23 06:30:21,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.08 06:30:19" (1/4) ... [2024-08-23 06:30:21,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60541573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 06:30:21, skipping insertion in model container [2024-08-23 06:30:21,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 06:30:19" (2/4) ... [2024-08-23 06:30:21,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60541573 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 06:30:21, skipping insertion in model container [2024-08-23 06:30:21,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 06:30:20" (3/4) ... [2024-08-23 06:30:21,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60541573 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 06:30:21, skipping insertion in model container [2024-08-23 06:30:21,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 06:30:21" (4/4) ... [2024-08-23 06:30:21,673 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2024-08-23 06:30:21,693 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-23 06:30:21,694 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-08-23 06:30:21,694 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-23 06:30:21,760 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-08-23 06:30:21,802 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 06:30:21,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 06:30:21,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:30:21,805 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 06:30:21,807 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 06:30:21,844 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 06:30:21,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork0 ======== [2024-08-23 06:30:21,867 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;@b9f253a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 06:30:21,867 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-23 06:30:22,079 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-23 06:30:22,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:30:22,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1661040405, now seen corresponding path program 1 times [2024-08-23 06:30:22,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:30:22,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317758198] [2024-08-23 06:30:22,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:30:22,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:30:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:30:22,618 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 06:30:22,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:30:22,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317758198] [2024-08-23 06:30:22,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317758198] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 06:30:22,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 06:30:22,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-23 06:30:22,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047904535] [2024-08-23 06:30:22,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 06:30:22,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 06:30:22,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:30:22,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 06:30:22,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-23 06:30:22,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:22,667 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:30:22,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 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 06:30:22,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:22,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:22,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-23 06:30:22,777 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-23 06:30:22,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:30:22,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1822590363, now seen corresponding path program 1 times [2024-08-23 06:30:22,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:30:22,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678119081] [2024-08-23 06:30:22,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:30:22,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:30:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:30:23,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-23 06:30:23,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:30:23,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678119081] [2024-08-23 06:30:23,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678119081] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:30:23,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938995960] [2024-08-23 06:30:23,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:30:23,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:30:23,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:30:23,067 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 06:30:23,069 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 06:30:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:30:23,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-23 06:30:23,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:30:23,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-23 06:30:23,323 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 06:30:23,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-23 06:30:23,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938995960] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 06:30:23,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 06:30:23,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-08-23 06:30:23,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768838745] [2024-08-23 06:30:23,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 06:30:23,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-08-23 06:30:23,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:30:23,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-08-23 06:30:23,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-08-23 06:30:23,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:23,423 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:30:23,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 13 states have internal predecessors, (45), 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 06:30:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:30:23,602 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 06:30:23,788 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 06:30:23,789 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-23 06:30:23,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:30:23,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1112927659, now seen corresponding path program 2 times [2024-08-23 06:30:23,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:30:23,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226665699] [2024-08-23 06:30:23,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:30:23,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:30:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:30:24,371 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-23 06:30:24,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:30:24,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226665699] [2024-08-23 06:30:24,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226665699] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:30:24,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012858250] [2024-08-23 06:30:24,375 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-23 06:30:24,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:30:24,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:30:24,378 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 06:30:24,380 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 06:30:24,482 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-23 06:30:24,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 06:30:24,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 19 conjunts are in the unsatisfiable core [2024-08-23 06:30:24,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:30:24,841 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-23 06:30:24,841 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 06:30:24,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012858250] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 06:30:24,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-23 06:30:24,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-08-23 06:30:24,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585842341] [2024-08-23 06:30:24,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 06:30:24,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-23 06:30:24,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:30:24,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-23 06:30:24,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-08-23 06:30:24,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:24,845 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:30:24,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 06:30:24,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:24,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:30:24,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:24,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:24,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:30:24,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:24,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-08-23 06:30:25,154 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 06:30:25,155 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-23 06:30:25,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:30:25,156 INFO L85 PathProgramCache]: Analyzing trace with hash 141047745, now seen corresponding path program 1 times [2024-08-23 06:30:25,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:30:25,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422492830] [2024-08-23 06:30:25,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:30:25,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:30:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:30:25,726 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-23 06:30:25,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:30:25,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422492830] [2024-08-23 06:30:25,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422492830] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:30:25,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213732351] [2024-08-23 06:30:25,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:30:25,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:30:25,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:30:25,732 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 06:30:25,733 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 06:30:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:30:25,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 36 conjunts are in the unsatisfiable core [2024-08-23 06:30:25,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:30:26,167 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-23 06:30:26,168 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 06:30:27,867 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-23 06:30:27,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213732351] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 06:30:27,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 06:30:27,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 22 [2024-08-23 06:30:27,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021223523] [2024-08-23 06:30:27,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 06:30:27,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-08-23 06:30:27,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:30:27,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-08-23 06:30:27,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=428, Unknown=0, NotChecked=0, Total=552 [2024-08-23 06:30:27,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:27,872 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:30:27,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.608695652173913) internal successors, (60), 23 states have internal predecessors, (60), 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 06:30:27,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:27,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:30:27,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:27,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:29,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:29,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:30:29,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:29,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:30:29,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-08-23 06:30:29,271 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 06:30:29,272 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-23 06:30:29,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:30:29,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1376608416, now seen corresponding path program 1 times [2024-08-23 06:30:29,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:30:29,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862973351] [2024-08-23 06:30:29,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:30:29,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:30:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:30:29,816 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-08-23 06:30:29,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:30:29,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862973351] [2024-08-23 06:30:29,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862973351] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:30:29,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624600260] [2024-08-23 06:30:29,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:30:29,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:30:29,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:30:29,824 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 06:30:29,826 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 06:30:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:30:29,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 21 conjunts are in the unsatisfiable core [2024-08-23 06:30:29,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:30:30,229 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-08-23 06:30:30,230 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 06:30:30,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624600260] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 06:30:30,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-23 06:30:30,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-08-23 06:30:30,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121962945] [2024-08-23 06:30:30,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 06:30:30,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-23 06:30:30,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:30:30,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-23 06:30:30,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-08-23 06:30:30,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:30,234 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:30:30,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 06:30:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:30:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:30:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:30:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:30:30,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:30,596 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 06:30:30,777 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 06:30:30,777 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-23 06:30:30,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:30:30,778 INFO L85 PathProgramCache]: Analyzing trace with hash -2058495986, now seen corresponding path program 1 times [2024-08-23 06:30:30,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:30:30,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227050892] [2024-08-23 06:30:30,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:30:30,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:30:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:30:31,316 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-08-23 06:30:31,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:30:31,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227050892] [2024-08-23 06:30:31,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227050892] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:30:31,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600400387] [2024-08-23 06:30:31,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:30:31,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:30:31,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:30:31,320 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 06:30:31,322 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 06:30:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:30:31,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 21 conjunts are in the unsatisfiable core [2024-08-23 06:30:31,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:30:31,819 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-08-23 06:30:31,819 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 06:30:31,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600400387] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 06:30:31,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-23 06:30:31,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-08-23 06:30:31,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889517956] [2024-08-23 06:30:31,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 06:30:31,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-23 06:30:31,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:30:31,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-23 06:30:31,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-08-23 06:30:31,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:31,822 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:30:31,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 06:30:31,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:31,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:30:31,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:31,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:30:31,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:31,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:32,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:32,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:30:32,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:32,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:30:32,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:32,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:32,184 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 06:30:32,370 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 06:30:32,371 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-23 06:30:32,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:30:32,371 INFO L85 PathProgramCache]: Analyzing trace with hash -813810168, now seen corresponding path program 1 times [2024-08-23 06:30:32,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:30:32,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140826719] [2024-08-23 06:30:32,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:30:32,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:30:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:30:32,704 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-08-23 06:30:32,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:30:32,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140826719] [2024-08-23 06:30:32,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140826719] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:30:32,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462711516] [2024-08-23 06:30:32,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:30:32,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:30:32,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:30:32,710 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 06:30:32,713 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 06:30:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:30:32,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-23 06:30:32,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:30:32,929 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-08-23 06:30:32,929 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 06:30:33,035 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-08-23 06:30:33,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462711516] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 06:30:33,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 06:30:33,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-08-23 06:30:33,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128574748] [2024-08-23 06:30:33,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 06:30:33,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-08-23 06:30:33,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:30:33,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-08-23 06:30:33,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2024-08-23 06:30:33,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:33,037 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:30:33,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.9545454545454546) internal successors, (43), 21 states have internal predecessors, (43), 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 06:30:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:30:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:30:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:33,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:33,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:30:33,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:33,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:30:33,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:33,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:33,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:30:33,244 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 06:30:33,430 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,SelfDestructingSolverStorable6 [2024-08-23 06:30:33,431 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-23 06:30:33,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:30:33,431 INFO L85 PathProgramCache]: Analyzing trace with hash -12215932, now seen corresponding path program 2 times [2024-08-23 06:30:33,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:30:33,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876004011] [2024-08-23 06:30:33,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:30:33,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:30:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:30:33,856 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-08-23 06:30:33,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:30:33,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876004011] [2024-08-23 06:30:33,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876004011] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:30:33,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477755554] [2024-08-23 06:30:33,857 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-23 06:30:33,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:30:33,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:30:33,860 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 06:30:33,861 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 06:30:34,018 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-23 06:30:34,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 06:30:34,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 29 conjunts are in the unsatisfiable core [2024-08-23 06:30:34,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:30:34,286 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-08-23 06:30:34,287 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 06:30:34,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477755554] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 06:30:34,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-23 06:30:34,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 15 [2024-08-23 06:30:34,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004463972] [2024-08-23 06:30:34,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 06:30:34,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-23 06:30:34,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:30:34,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-23 06:30:34,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-08-23 06:30:34,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:34,289 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:30:34,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 06:30:34,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:34,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:30:34,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:34,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:30:34,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:34,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:34,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:30:34,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:35,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:35,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-23 06:30:35,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:35,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-08-23 06:30:35,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:35,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:35,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:30:35,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 06:30:35,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 1 remaining) [2024-08-23 06:30:35,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-08-23 06:30:35,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:30:35,997 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2024-08-23 06:30:35,998 INFO L308 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork0 was SAFE (1/4) [2024-08-23 06:30:36,001 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 06:30:36,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 06:30:36,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:30:36,003 INFO L229 MonitoredProcess]: Starting monitored process 10 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 06:30:36,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Waiting until timeout for monitored process [2024-08-23 06:30:36,007 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 06:30:36,007 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-23 06:30:36,007 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;@b9f253a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 06:30:36,008 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-23 06:30:36,222 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 06:30:36,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:30:36,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1529488339, now seen corresponding path program 1 times [2024-08-23 06:30:36,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:30:36,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350702688] [2024-08-23 06:30:36,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:30:36,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:30:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:30:36,469 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-08-23 06:30:36,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:30:36,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350702688] [2024-08-23 06:30:36,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350702688] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 06:30:36,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 06:30:36,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-23 06:30:36,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997946107] [2024-08-23 06:30:36,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 06:30:36,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 06:30:36,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:30:36,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 06:30:36,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-23 06:30:36,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:36,472 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:30:36,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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 06:30:36,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:36,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:36,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-08-23 06:30:36,551 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 06:30:36,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:30:36,552 INFO L85 PathProgramCache]: Analyzing trace with hash -683569203, now seen corresponding path program 1 times [2024-08-23 06:30:36,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:30:36,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134919480] [2024-08-23 06:30:36,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:30:36,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:30:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:30:36,861 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-08-23 06:30:36,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:30:36,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134919480] [2024-08-23 06:30:36,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134919480] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:30:36,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007647023] [2024-08-23 06:30:36,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:30:36,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:30:36,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:30:36,864 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 06:30:36,865 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 06:30:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:30:37,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-23 06:30:37,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:30:37,133 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-08-23 06:30:37,134 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 06:30:37,198 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-08-23 06:30:37,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007647023] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 06:30:37,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 06:30:37,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-08-23 06:30:37,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573803766] [2024-08-23 06:30:37,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 06:30:37,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-08-23 06:30:37,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:30:37,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-08-23 06:30:37,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-08-23 06:30:37,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:37,200 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:30:37,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 13 states have internal predecessors, (64), 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 06:30:37,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:37,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:37,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:37,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:30:37,396 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 06:30:37,575 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,SelfDestructingSolverStorable9 [2024-08-23 06:30:37,575 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 06:30:37,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:30:37,576 INFO L85 PathProgramCache]: Analyzing trace with hash 315570323, now seen corresponding path program 2 times [2024-08-23 06:30:37,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:30:37,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692166155] [2024-08-23 06:30:37,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:30:37,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:30:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:30:37,957 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 35 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-08-23 06:30:37,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:30:37,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692166155] [2024-08-23 06:30:37,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692166155] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:30:37,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638726359] [2024-08-23 06:30:37,958 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-23 06:30:37,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:30:37,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:30:37,960 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 06:30:37,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-08-23 06:30:38,169 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-23 06:30:38,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 06:30:38,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-23 06:30:38,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:30:38,338 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 39 proven. 3 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-08-23 06:30:38,342 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 06:30:38,447 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 39 proven. 3 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-08-23 06:30:38,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638726359] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 06:30:38,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 06:30:38,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-08-23 06:30:38,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965456433] [2024-08-23 06:30:38,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 06:30:38,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-08-23 06:30:38,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:30:38,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-08-23 06:30:38,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-08-23 06:30:38,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:38,449 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:30:38,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.368421052631579) internal successors, (83), 18 states have internal predecessors, (83), 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 06:30:38,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:38,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:30:38,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:38,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:38,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:30:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:30:38,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-08-23 06:30:38,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:30:38,782 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 06:30:38,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:30:38,782 INFO L85 PathProgramCache]: Analyzing trace with hash 773774861, now seen corresponding path program 3 times [2024-08-23 06:30:38,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:30:38,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866819032] [2024-08-23 06:30:38,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:30:38,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:30:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:30:39,180 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-08-23 06:30:39,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:30:39,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866819032] [2024-08-23 06:30:39,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866819032] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:30:39,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740547760] [2024-08-23 06:30:39,181 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-23 06:30:39,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:30:39,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:30:39,183 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 06:30:39,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-08-23 06:30:39,400 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-08-23 06:30:39,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 06:30:39,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 14 conjunts are in the unsatisfiable core [2024-08-23 06:30:39,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:30:39,739 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 77 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-23 06:30:39,739 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 06:30:39,976 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 77 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-23 06:30:39,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740547760] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 06:30:39,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 06:30:39,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 12] total 31 [2024-08-23 06:30:39,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392336817] [2024-08-23 06:30:39,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 06:30:39,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-08-23 06:30:39,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:30:39,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-08-23 06:30:39,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=783, Unknown=0, NotChecked=0, Total=992 [2024-08-23 06:30:39,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:39,978 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:30:39,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.53125) internal successors, (145), 31 states have internal predecessors, (145), 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 06:30:39,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:39,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:30:39,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:30:39,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:40,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:40,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:30:40,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:30:40,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:30:40,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-08-23 06:30:40,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-08-23 06:30:40,465 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 06:30:40,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:30:40,466 INFO L85 PathProgramCache]: Analyzing trace with hash -2081670067, now seen corresponding path program 4 times [2024-08-23 06:30:40,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:30:40,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058535500] [2024-08-23 06:30:40,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:30:40,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:30:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:30:40,908 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 42 proven. 51 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-08-23 06:30:40,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:30:40,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058535500] [2024-08-23 06:30:40,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058535500] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:30:40,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670848472] [2024-08-23 06:30:40,910 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-23 06:30:40,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:30:40,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:30:40,912 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 06:30:40,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-08-23 06:30:41,025 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-23 06:30:41,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 06:30:41,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 16 conjunts are in the unsatisfiable core [2024-08-23 06:30:41,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:30:41,356 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 43 proven. 45 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-08-23 06:30:41,356 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 06:30:41,676 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 53 proven. 30 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-08-23 06:30:41,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670848472] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 06:30:41,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 06:30:41,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17, 14] total 39 [2024-08-23 06:30:41,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065179066] [2024-08-23 06:30:41,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 06:30:41,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-08-23 06:30:41,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:30:41,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-08-23 06:30:41,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=1241, Unknown=0, NotChecked=0, Total=1482 [2024-08-23 06:30:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:41,679 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:30:41,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 3.58974358974359) internal successors, (140), 39 states have internal predecessors, (140), 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 06:30:41,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:41,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:30:41,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:30:41,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:30:41,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:46,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:30:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:30:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:30:46,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:30:46,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-08-23 06:30:46,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-08-23 06:30:46,611 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 06:30:46,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:30:46,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1877484113, now seen corresponding path program 5 times [2024-08-23 06:30:46,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:30:46,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822848483] [2024-08-23 06:30:46,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:30:46,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:30:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:30:48,261 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 164 proven. 155 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-08-23 06:30:48,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:30:48,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822848483] [2024-08-23 06:30:48,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822848483] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:30:48,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914685784] [2024-08-23 06:30:48,262 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-23 06:30:48,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:30:48,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:30:48,263 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 06:30:48,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-08-23 06:30:50,378 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-08-23 06:30:50,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 06:30:50,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 22 conjunts are in the unsatisfiable core [2024-08-23 06:30:50,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:30:51,390 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 10 proven. 294 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-08-23 06:30:51,390 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 06:30:52,270 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 10 proven. 294 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-08-23 06:30:52,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914685784] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 06:30:52,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 06:30:52,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 23, 23] total 78 [2024-08-23 06:30:52,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924337455] [2024-08-23 06:30:52,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 06:30:52,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-08-23 06:30:52,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:30:52,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-08-23 06:30:52,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=617, Invalid=5389, Unknown=0, NotChecked=0, Total=6006 [2024-08-23 06:30:52,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:30:52,275 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:30:52,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 3.6025641025641026) internal successors, (281), 78 states have internal predecessors, (281), 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 06:30:52,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:30:52,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:30:52,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:30:52,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:30:52,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:30:52,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:31:16,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:31:16,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:31:16,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:31:16,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:31:16,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:31:16,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:31:16,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-08-23 06:31:16,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-08-23 06:31:16,593 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 06:31:16,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:31:16,593 INFO L85 PathProgramCache]: Analyzing trace with hash 24472587, now seen corresponding path program 6 times [2024-08-23 06:31:16,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:31:16,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392742141] [2024-08-23 06:31:16,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:31:16,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:31:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:31:19,943 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 635 proven. 293 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-23 06:31:19,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:31:19,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392742141] [2024-08-23 06:31:19,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392742141] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:31:19,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687726031] [2024-08-23 06:31:19,944 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-23 06:31:19,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:31:19,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:31:19,945 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 06:31:19,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-08-23 06:31:20,660 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-08-23 06:31:20,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 06:31:20,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 18 conjunts are in the unsatisfiable core [2024-08-23 06:31:20,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:31:21,264 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 612 proven. 21 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-08-23 06:31:21,264 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 06:31:21,906 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 612 proven. 21 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-08-23 06:31:21,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687726031] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 06:31:21,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 06:31:21,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 16, 16] total 82 [2024-08-23 06:31:21,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643183846] [2024-08-23 06:31:21,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 06:31:21,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2024-08-23 06:31:21,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:31:21,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2024-08-23 06:31:21,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1107, Invalid=5699, Unknown=0, NotChecked=0, Total=6806 [2024-08-23 06:31:21,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:31:21,910 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:31:21,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 3.6867469879518073) internal successors, (306), 82 states have internal predecessors, (306), 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 06:31:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:31:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:31:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:31:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:31:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:31:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:31:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:31:22,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:31:22,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:31:22,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:31:22,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:31:22,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:31:22,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:31:22,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:31:22,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-08-23 06:31:22,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:31:22,524 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 06:31:22,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:31:22,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1981785519, now seen corresponding path program 7 times [2024-08-23 06:31:22,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:31:22,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851813797] [2024-08-23 06:31:22,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:31:22,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:31:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:31:25,904 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 635 proven. 300 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-08-23 06:31:25,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:31:25,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851813797] [2024-08-23 06:31:25,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851813797] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:31:25,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94843009] [2024-08-23 06:31:25,905 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-23 06:31:25,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:31:25,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:31:25,907 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 06:31:25,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-08-23 06:31:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:31:26,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 1821 conjuncts, 21 conjunts are in the unsatisfiable core [2024-08-23 06:31:26,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:31:26,944 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 411 proven. 37 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2024-08-23 06:31:26,945 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 06:31:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 420 proven. 28 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2024-08-23 06:31:27,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94843009] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 06:31:27,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 06:31:27,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 19, 19] total 89 [2024-08-23 06:31:27,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059161504] [2024-08-23 06:31:27,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 06:31:27,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2024-08-23 06:31:27,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:31:27,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2024-08-23 06:31:27,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1215, Invalid=6795, Unknown=0, NotChecked=0, Total=8010 [2024-08-23 06:31:27,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:31:27,713 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:31:27,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 2.933333333333333) internal successors, (264), 89 states have internal predecessors, (264), 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 06:31:27,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:31:27,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:31:27,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:31:27,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:31:27,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:31:27,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:31:27,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:31:27,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:31:28,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:31:28,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:31:28,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:31:28,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:31:28,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:31:28,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:31:28,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:31:28,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 06:31:28,175 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-08-23 06:31:28,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-08-23 06:31:28,361 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 06:31:28,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:31:28,362 INFO L85 PathProgramCache]: Analyzing trace with hash 286502731, now seen corresponding path program 8 times [2024-08-23 06:31:28,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:31:28,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457107270] [2024-08-23 06:31:28,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:31:28,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:31:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:31:31,432 INFO L134 CoverageAnalysis]: Checked inductivity of 979 backedges. 635 proven. 308 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-08-23 06:31:31,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:31:31,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457107270] [2024-08-23 06:31:31,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457107270] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:31:31,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045039618] [2024-08-23 06:31:31,433 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-23 06:31:31,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:31:31,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:31:31,434 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 06:31:31,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-08-23 06:31:31,729 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-23 06:31:31,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 06:31:31,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 1839 conjuncts, 23 conjunts are in the unsatisfiable core [2024-08-23 06:31:31,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:31:32,539 INFO L134 CoverageAnalysis]: Checked inductivity of 979 backedges. 458 proven. 58 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2024-08-23 06:31:32,539 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 06:31:33,386 INFO L134 CoverageAnalysis]: Checked inductivity of 979 backedges. 480 proven. 36 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2024-08-23 06:31:33,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045039618] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 06:31:33,387 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 06:31:33,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 21, 21] total 94 [2024-08-23 06:31:33,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928765209] [2024-08-23 06:31:33,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 06:31:33,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2024-08-23 06:31:33,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:31:33,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2024-08-23 06:31:33,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1314, Invalid=7616, Unknown=0, NotChecked=0, Total=8930 [2024-08-23 06:31:33,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:31:33,392 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:31:33,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 2.9368421052631577) internal successors, (279), 94 states have internal predecessors, (279), 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 06:31:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:31:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:31:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:31:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:31:33,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:31:33,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:31:33,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:31:33,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 06:31:33,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:31:33,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:31:33,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:31:33,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:31:33,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:31:33,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:31:33,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:31:33,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:31:33,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 06:31:33,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 06:31:33,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-08-23 06:31:34,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-08-23 06:31:34,047 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 06:31:34,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:31:34,048 INFO L85 PathProgramCache]: Analyzing trace with hash -464071663, now seen corresponding path program 9 times [2024-08-23 06:31:34,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:31:34,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748679075] [2024-08-23 06:31:34,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:31:34,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:31:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:31:37,324 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 635 proven. 317 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-08-23 06:31:37,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:31:37,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748679075] [2024-08-23 06:31:37,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748679075] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:31:37,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962514763] [2024-08-23 06:31:37,326 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-23 06:31:37,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:31:37,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:31:37,327 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 06:31:37,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-08-23 06:31:38,295 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2024-08-23 06:31:38,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 06:31:38,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 1857 conjuncts, 29 conjunts are in the unsatisfiable core [2024-08-23 06:31:38,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:31:39,443 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 897 proven. 45 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-08-23 06:31:39,443 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 06:31:40,652 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 897 proven. 45 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-08-23 06:31:40,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962514763] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 06:31:40,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 06:31:40,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 27, 27] total 108 [2024-08-23 06:31:40,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119506547] [2024-08-23 06:31:40,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 06:31:40,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2024-08-23 06:31:40,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:31:40,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2024-08-23 06:31:40,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1866, Invalid=9906, Unknown=0, NotChecked=0, Total=11772 [2024-08-23 06:31:40,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:31:40,658 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:31:40,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 4.036697247706422) internal successors, (440), 108 states have internal predecessors, (440), 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 06:31:40,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:31:40,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:31:40,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:31:40,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:31:40,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:31:40,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:31:40,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:31:40,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 06:31:40,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-23 06:31:40,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:31:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:31:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:31:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:31:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:31:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:31:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:31:41,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:31:41,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 06:31:41,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 06:31:41,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-23 06:31:41,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-08-23 06:31:41,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-08-23 06:31:41,365 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 06:31:41,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:31:41,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1214636369, now seen corresponding path program 10 times [2024-08-23 06:31:41,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:31:41,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101580596] [2024-08-23 06:31:41,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:31:41,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:31:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:31:43,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1147 backedges. 689 proven. 337 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-08-23 06:31:43,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:31:43,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101580596] [2024-08-23 06:31:43,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101580596] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:31:43,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332376900] [2024-08-23 06:31:43,702 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-23 06:31:43,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:31:43,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:31:43,704 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 06:31:43,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-08-23 06:31:43,868 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-23 06:31:43,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 06:31:43,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 47 conjunts are in the unsatisfiable core [2024-08-23 06:31:43,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:31:45,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1147 backedges. 10 proven. 897 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-08-23 06:31:45,875 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 06:31:47,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1147 backedges. 642 proven. 265 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-08-23 06:31:47,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332376900] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 06:31:47,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 06:31:47,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 48, 37] total 129 [2024-08-23 06:31:47,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274925441] [2024-08-23 06:31:47,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 06:31:47,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2024-08-23 06:31:47,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:31:47,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2024-08-23 06:31:47,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2217, Invalid=14295, Unknown=0, NotChecked=0, Total=16512 [2024-08-23 06:31:47,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:31:47,797 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:31:47,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 129 states have (on average 3.496124031007752) internal successors, (451), 129 states have internal predecessors, (451), 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 06:31:47,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:31:47,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:31:47,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:31:47,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:31:47,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:31:47,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:31:47,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:31:47,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 06:31:47,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-23 06:31:47,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-23 06:31:47,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:32:28,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:32:28,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:32:28,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:32:28,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:32:28,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:32:28,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:32:28,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:32:28,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 06:32:28,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 06:32:28,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-23 06:32:28,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 465 states. [2024-08-23 06:32:28,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-08-23 06:32:28,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:32:28,652 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 06:32:28,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:32:28,652 INFO L85 PathProgramCache]: Analyzing trace with hash -55241885, now seen corresponding path program 11 times [2024-08-23 06:32:28,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:32:28,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614610540] [2024-08-23 06:32:28,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:32:28,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:32:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:32:30,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 120 proven. 961 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-08-23 06:32:30,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:32:30,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614610540] [2024-08-23 06:32:30,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614610540] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:32:30,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226653458] [2024-08-23 06:32:30,464 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-23 06:32:30,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:32:30,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:32:30,465 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 06:32:30,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-08-23 06:33:00,191 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-08-23 06:33:00,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 06:33:00,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 2018 conjuncts, 39 conjunts are in the unsatisfiable core [2024-08-23 06:33:00,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:33:01,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 679 proven. 396 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-08-23 06:33:01,418 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 06:33:02,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 939 proven. 136 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-08-23 06:33:02,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226653458] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 06:33:02,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 06:33:02,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 37, 37] total 106 [2024-08-23 06:33:02,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760430929] [2024-08-23 06:33:02,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 06:33:02,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2024-08-23 06:33:02,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:33:02,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2024-08-23 06:33:02,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1412, Invalid=9930, Unknown=0, NotChecked=0, Total=11342 [2024-08-23 06:33:02,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:33:02,945 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:33:02,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 4.364485981308412) internal successors, (467), 106 states have internal predecessors, (467), 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 06:33:02,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:33:02,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:33:02,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:33:02,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:33:02,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:33:02,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:33:02,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:33:02,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 06:33:02,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-23 06:33:02,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-23 06:33:02,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 465 states. [2024-08-23 06:33:02,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:33:07,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:33:07,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:33:07,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:33:07,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:33:07,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:33:07,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:33:07,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:33:07,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 06:33:07,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 06:33:07,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-23 06:33:07,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 478 states. [2024-08-23 06:33:07,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-08-23 06:33:07,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-08-23 06:33:08,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-08-23 06:33:08,024 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 06:33:08,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:33:08,024 INFO L85 PathProgramCache]: Analyzing trace with hash -580067359, now seen corresponding path program 12 times [2024-08-23 06:33:08,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:33:08,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220466747] [2024-08-23 06:33:08,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:33:08,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:33:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:33:13,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2079 backedges. 1475 proven. 451 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-08-23 06:33:13,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:33:13,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220466747] [2024-08-23 06:33:13,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220466747] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:33:13,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847128172] [2024-08-23 06:33:13,798 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-23 06:33:13,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:33:13,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:33:13,799 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 06:33:13,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-08-23 06:33:16,441 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2024-08-23 06:33:16,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 06:33:16,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 2386 conjuncts, 43 conjunts are in the unsatisfiable core [2024-08-23 06:33:16,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:33:18,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2079 backedges. 1290 proven. 180 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2024-08-23 06:33:18,806 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 06:33:21,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2079 backedges. 1317 proven. 153 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2024-08-23 06:33:21,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847128172] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 06:33:21,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 06:33:21,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [82, 41, 41] total 161 [2024-08-23 06:33:21,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651876344] [2024-08-23 06:33:21,617 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 06:33:21,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 162 states [2024-08-23 06:33:21,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:33:21,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2024-08-23 06:33:21,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4047, Invalid=22035, Unknown=0, NotChecked=0, Total=26082 [2024-08-23 06:33:21,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:33:21,622 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:33:21,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 162 states, 162 states have (on average 2.8395061728395063) internal successors, (460), 161 states have internal predecessors, (460), 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 06:33:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:33:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:33:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:33:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:33:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:33:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:33:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:33:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 06:33:21,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-23 06:33:21,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-23 06:33:21,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 478 states. [2024-08-23 06:33:21,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-08-23 06:33:21,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:33:22,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:33:22,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:33:22,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:33:22,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:33:22,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:33:22,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:33:22,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:33:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 06:33:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 06:33:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-23 06:33:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 478 states. [2024-08-23 06:33:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-08-23 06:33:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-23 06:33:22,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-08-23 06:33:22,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:33:22,616 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 06:33:22,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:33:22,616 INFO L85 PathProgramCache]: Analyzing trace with hash -111562265, now seen corresponding path program 13 times [2024-08-23 06:33:22,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:33:22,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026494247] [2024-08-23 06:33:22,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:33:22,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:33:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:33:26,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2193 backedges. 1583 proven. 400 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-08-23 06:33:26,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:33:26,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026494247] [2024-08-23 06:33:26,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026494247] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:33:26,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694585969] [2024-08-23 06:33:26,637 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-23 06:33:26,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:33:26,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:33:26,639 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 06:33:26,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-08-23 06:33:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:33:27,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 2650 conjuncts, 47 conjunts are in the unsatisfiable core [2024-08-23 06:33:27,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:33:29,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2193 backedges. 1316 proven. 268 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2024-08-23 06:33:29,332 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 06:33:31,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2193 backedges. 1374 proven. 210 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2024-08-23 06:33:31,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [694585969] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 06:33:31,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 06:33:31,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 45, 45] total 150 [2024-08-23 06:33:31,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674832989] [2024-08-23 06:33:31,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 06:33:31,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 151 states [2024-08-23 06:33:31,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:33:31,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2024-08-23 06:33:31,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4305, Invalid=18345, Unknown=0, NotChecked=0, Total=22650 [2024-08-23 06:33:31,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:33:31,771 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:33:31,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 151 states, 151 states have (on average 3.1258278145695364) internal successors, (472), 150 states have internal predecessors, (472), 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 06:33:31,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:33:31,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:33:31,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:33:31,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:33:31,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:33:31,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:33:31,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:33:31,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 06:33:31,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-23 06:33:31,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-23 06:33:31,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 478 states. [2024-08-23 06:33:31,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-08-23 06:33:31,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-23 06:33:31,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:33:32,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:33:32,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:33:32,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:33:32,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:33:32,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:33:32,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:33:32,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:33:32,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 06:33:32,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 06:33:32,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-23 06:33:32,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 478 states. [2024-08-23 06:33:32,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-08-23 06:33:32,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-23 06:33:32,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-23 06:33:32,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-08-23 06:33:32,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-08-23 06:33:32,803 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 06:33:32,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:33:32,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1014829983, now seen corresponding path program 14 times [2024-08-23 06:33:32,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:33:32,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063290489] [2024-08-23 06:33:32,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:33:32,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:33:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:33:35,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2235 backedges. 289 proven. 1714 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-08-23 06:33:35,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:33:35,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063290489] [2024-08-23 06:33:35,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063290489] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:33:35,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825039342] [2024-08-23 06:33:35,251 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-23 06:33:35,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:33:35,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:33:35,252 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 06:33:35,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-08-23 06:33:35,694 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-23 06:33:35,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 06:33:35,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 2668 conjuncts, 49 conjunts are in the unsatisfiable core [2024-08-23 06:33:35,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:33:37,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2235 backedges. 1373 proven. 261 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2024-08-23 06:33:37,726 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 06:33:40,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2235 backedges. 1403 proven. 231 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2024-08-23 06:33:40,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825039342] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 06:33:40,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 06:33:40,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 47, 47] total 136 [2024-08-23 06:33:40,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228652805] [2024-08-23 06:33:40,067 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 06:33:40,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2024-08-23 06:33:40,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:33:40,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2024-08-23 06:33:40,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2720, Invalid=15912, Unknown=0, NotChecked=0, Total=18632 [2024-08-23 06:33:40,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:33:40,073 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:33:40,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 3.54014598540146) internal successors, (485), 136 states have internal predecessors, (485), 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 06:33:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:33:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:33:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:33:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:33:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:33:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:33:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:33:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 06:33:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-23 06:33:40,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-23 06:33:40,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 478 states. [2024-08-23 06:33:40,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-08-23 06:33:40,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-23 06:33:40,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-23 06:33:40,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:33:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:33:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:33:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:33:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:33:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:33:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:33:44,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:33:44,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 06:33:44,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 06:33:44,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-23 06:33:44,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 478 states. [2024-08-23 06:33:44,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-08-23 06:33:44,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-23 06:33:44,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-23 06:33:44,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-08-23 06:33:44,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-08-23 06:33:44,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-08-23 06:33:44,957 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 06:33:44,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:33:44,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1550811611, now seen corresponding path program 15 times [2024-08-23 06:33:44,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:33:44,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128905112] [2024-08-23 06:33:44,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:33:44,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:33:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:33:53,650 INFO L134 CoverageAnalysis]: Checked inductivity of 3284 backedges. 2400 proven. 631 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-08-23 06:33:53,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:33:53,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128905112] [2024-08-23 06:33:53,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128905112] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:33:53,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735288290] [2024-08-23 06:33:53,650 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-23 06:33:53,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:33:53,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:33:53,651 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 06:33:53,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-08-23 06:34:03,343 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 26 check-sat command(s) [2024-08-23 06:34:03,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 06:34:03,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 3211 conjuncts, 52 conjunts are in the unsatisfiable core [2024-08-23 06:34:03,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:34:06,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3284 backedges. 2771 proven. 253 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-08-23 06:34:06,912 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 06:34:10,571 INFO L134 CoverageAnalysis]: Checked inductivity of 3284 backedges. 2771 proven. 253 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-08-23 06:34:10,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735288290] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 06:34:10,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 06:34:10,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [102, 50, 50] total 199 [2024-08-23 06:34:10,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616630602] [2024-08-23 06:34:10,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 06:34:10,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 199 states [2024-08-23 06:34:10,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:34:10,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 199 interpolants. [2024-08-23 06:34:10,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5990, Invalid=33412, Unknown=0, NotChecked=0, Total=39402 [2024-08-23 06:34:10,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:34:10,578 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:34:10,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 199 states, 199 states have (on average 3.864321608040201) internal successors, (769), 199 states have internal predecessors, (769), 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 06:34:10,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:34:10,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:34:10,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:34:10,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:34:10,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:34:10,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:34:10,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:34:10,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 06:34:10,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-23 06:34:10,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-23 06:34:10,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 478 states. [2024-08-23 06:34:10,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-08-23 06:34:10,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-23 06:34:10,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-23 06:34:10,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-08-23 06:34:10,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:34:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:34:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:34:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:34:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:34:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:34:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:34:11,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:34:11,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 06:34:11,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 06:34:11,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-23 06:34:11,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 478 states. [2024-08-23 06:34:11,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-08-23 06:34:11,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-23 06:34:11,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-23 06:34:11,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-08-23 06:34:11,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-08-23 06:34:11,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-08-23 06:34:11,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:34:11,658 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 06:34:11,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:34:11,658 INFO L85 PathProgramCache]: Analyzing trace with hash 949240165, now seen corresponding path program 16 times [2024-08-23 06:34:11,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:34:11,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553677434] [2024-08-23 06:34:11,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:34:11,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:34:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:34:15,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3378 backedges. 2627 proven. 444 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2024-08-23 06:34:15,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:34:15,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553677434] [2024-08-23 06:34:15,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553677434] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:34:15,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469647945] [2024-08-23 06:34:15,433 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-23 06:34:15,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:34:15,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:34:15,434 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 06:34:15,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-08-23 06:34:15,702 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-23 06:34:15,702 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 06:34:15,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 71 conjunts are in the unsatisfiable core [2024-08-23 06:34:15,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 06:34:19,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3378 backedges. 124 proven. 2653 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2024-08-23 06:34:19,172 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 06:34:22,357 INFO L134 CoverageAnalysis]: Checked inductivity of 3378 backedges. 1974 proven. 803 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2024-08-23 06:34:22,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469647945] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 06:34:22,358 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 06:34:22,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 72, 52] total 175 [2024-08-23 06:34:22,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327212343] [2024-08-23 06:34:22,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 06:34:22,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 175 states [2024-08-23 06:34:22,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 06:34:22,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2024-08-23 06:34:22,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4430, Invalid=26020, Unknown=0, NotChecked=0, Total=30450 [2024-08-23 06:34:22,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:34:22,366 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 06:34:22,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 175 states, 175 states have (on average 4.182857142857143) internal successors, (732), 175 states have internal predecessors, (732), 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 06:34:22,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:34:22,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:34:22,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:34:22,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:34:22,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:34:22,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:34:22,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:34:22,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 06:34:22,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-23 06:34:22,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-23 06:34:22,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 478 states. [2024-08-23 06:34:22,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-08-23 06:34:22,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-23 06:34:22,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-23 06:34:22,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-08-23 06:34:22,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-08-23 06:34:22,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 06:36:14,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 06:36:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 06:36:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 06:36:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:36:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-08-23 06:36:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2024-08-23 06:36:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 06:36:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 06:36:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 06:36:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-23 06:36:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 478 states. [2024-08-23 06:36:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-08-23 06:36:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-23 06:36:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-23 06:36:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-08-23 06:36:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-08-23 06:36:14,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 877 states. [2024-08-23 06:36:14,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-08-23 06:36:14,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-08-23 06:36:14,688 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 06:36:14,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 06:36:14,688 INFO L85 PathProgramCache]: Analyzing trace with hash 765163401, now seen corresponding path program 17 times [2024-08-23 06:36:14,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 06:36:14,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696796990] [2024-08-23 06:36:14,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 06:36:14,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 06:36:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 06:36:26,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4503 backedges. 2887 proven. 1291 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-08-23 06:36:26,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 06:36:26,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696796990] [2024-08-23 06:36:26,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696796990] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 06:36:26,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967238949] [2024-08-23 06:36:26,506 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-23 06:36:26,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 06:36:26,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 06:36:26,507 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 06:36:26,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process Killed by 15