./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-bad-buffer-mult-alt.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da 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-bad-buffer-mult-alt.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-bad-buffer-mult-alt.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-23 06:02:17,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 06:02:17,339 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 06:02:17,344 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 06:02:17,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 06:02:17,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 06:02:17,361 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 06:02:17,361 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 06:02:17,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 06:02:17,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 06:02:17,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 06:02:17,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 06:02:17,364 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 06:02:17,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 06:02:17,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 06:02:17,366 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 06:02:17,366 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 06:02:17,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 06:02:17,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 06:02:17,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 06:02:17,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 06:02:17,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 06:02:17,368 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 06:02:17,369 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 06:02:17,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 06:02:17,370 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 06:02:17,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 06:02:17,370 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 06:02:17,370 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 06:02:17,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 06:02:17,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 06:02:17,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 06:02:17,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 06:02:17,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 06:02:17,371 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 06:02:17,371 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 06:02:17,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 06:02:17,372 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 06:02:17,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 06:02:17,373 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 06:02:17,373 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 06:02:17,374 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-23 06:02:17,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 06:02:17,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 06:02:17,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 06:02:17,592 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 06:02:17,592 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 06:02:17,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-09-23 06:02:18,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 06:02:18,955 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 06:02:18,956 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-09-23 06:02:18,966 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6576b25a4/2ad1d96c976641e798967a936e9262d5/FLAG5830767f6 [2024-09-23 06:02:18,977 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6576b25a4/2ad1d96c976641e798967a936e9262d5 [2024-09-23 06:02:18,979 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 06:02:18,980 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 06:02:18,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-bad-buffer-mult-alt.wvr.yml/witness.yml [2024-09-23 06:02:19,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 06:02:19,098 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 06:02:19,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 06:02:19,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 06:02:19,106 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 06:02:19,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 06:02:18" (1/2) ... [2024-09-23 06:02:19,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc3c7b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:02:19, skipping insertion in model container [2024-09-23 06:02:19,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 06:02:18" (1/2) ... [2024-09-23 06:02:19,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@23c19bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:02:19, skipping insertion in model container [2024-09-23 06:02:19,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 06:02:19" (2/2) ... [2024-09-23 06:02:19,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc3c7b9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:02:19, skipping insertion in model container [2024-09-23 06:02:19,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 06:02:19" (2/2) ... [2024-09-23 06:02:19,128 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 06:02:19,129 INFO L1541 ArrayList]: Location invariant before [L146-L146] ((((! multithreaded || 0 <= i) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483646LL + (long long )C) + (long long )i >= 0LL && (2147483646LL + (long long )C) + (long long )j >= 0LL) && (2147483646LL + (long long )C) + (long long )n1 >= 0LL) && (2147483646LL + (long long )C) + (long long )n2 >= 0LL) && (2147483647LL + (long long )N) + (long long )i >= 0LL) && (2147483647LL + (long long )N) + (long long )j >= 0LL) && (2147483647LL + (long long )N) + (long long )n1 >= 0LL) && (2147483647LL + (long long )N) + (long long )n2 >= 0LL) && (2147483647LL + (long long )M) + (long long )i >= 0LL) && (2147483647LL + (long long )M) + (long long )j >= 0LL) && (2147483647LL + (long long )M) + (long long )n1 >= 0LL) && (2147483647LL + (long long )M) + (long long )n2 >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_back >= 0LL) && (4294967293LL + (long long )C) + (long long )N >= 0LL) && (4294967293LL + (long long )C) + (long long )M >= 0LL) && (4294967294LL + (long long )C) + (long long )q1_front >= 0LL) && (4294967294LL + (long long )C) + (long long )q1_back >= 0LL) && (4294967294LL + (long long )C) + (long long )q2_front >= 0LL) && (4294967294LL + (long long )C) + (long long )q2_back >= 0LL) && (4294967294LL + (long long )M) + (long long )N >= 0LL) && (4294967295LL + (long long )N) + (long long )q1_front >= 0LL) && (4294967295LL + (long long )N) + (long long )q1_back >= 0LL) && (4294967295LL + (long long )N) + (long long )q2_front >= 0LL) && (4294967295LL + (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL + (long long )M) + (long long )q1_front >= 0LL) && (4294967295LL + (long long )M) + (long long )q1_back >= 0LL) && (4294967295LL + (long long )M) + (long long )q2_front >= 0LL) && (4294967295LL + (long long )M) + (long long )q2_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483646LL - (long long )M) + (long long )i >= 0LL) && (2147483646LL - (long long )M) + (long long )j >= 0LL) && (2147483646LL - (long long )M) + (long long )n1 >= 0LL) && (2147483646LL - (long long )M) + (long long )n2 >= 0LL) && (2147483647LL - (long long )C) + (long long )n1 >= 0LL) && (2147483647LL - (long long )C) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )n1 >= 0LL) && (2147483647LL - (long long )N) + (long long )n2 >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_back >= 0LL) && (4294967293LL - (long long )M) + (long long )N >= 0LL) && (4294967294LL - (long long )C) + (long long )N >= 0LL) && (4294967294LL - (long long )C) + (long long )M >= 0LL) && (4294967294LL - (long long )M) + (long long )q1_front >= 0LL) && (4294967294LL - (long long )M) + (long long )q1_back >= 0LL) && (4294967294LL - (long long )M) + (long long )q2_front >= 0LL) && (4294967294LL - (long long )M) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL) && (long long )i + (long long )n1 >= 0LL) && (long long )i + (long long )n2 >= 0LL) && (long long )j + (long long )n1 >= 0LL) && (long long )j + (long long )n2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (1073741823LL + (long long )i) - (long long )n1 >= 0LL) && (1073741823LL + (long long )i) - (long long )n2 >= 0LL) && (1073741823LL + (long long )j) - (long long )n1 >= 0LL) && (1073741823LL + (long long )j) - (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_back >= 0LL) && (3221225469LL + (long long )C) - (long long )n1 >= 0LL) && (3221225469LL + (long long )C) - (long long )n2 >= 0LL) && (3221225470LL + (long long )N) - (long long )n1 >= 0LL) && (3221225470LL + (long long )N) - (long long )n2 >= 0LL) && (3221225470LL + (long long )M) - (long long )n1 >= 0LL) && (3221225470LL + (long long )M) - (long long )n2 >= 0LL) && (4294967292LL + (long long )C) - (long long )M >= 0LL) && (4294967293LL + (long long )C) - (long long )N >= 0LL) && (4294967293LL + (long long )C) - (long long )q1_front >= 0LL) && (4294967293LL + (long long )C) - (long long )q1_back >= 0LL) && (4294967293LL + (long long )C) - (long long )q2_front >= 0LL) && (4294967293LL + (long long )C) - (long long )q2_back >= 0LL) && (4294967294LL + (long long )N) - (long long )q1_front >= 0LL) && (4294967294LL + (long long )N) - (long long )q1_back >= 0LL) && (4294967294LL + (long long )N) - (long long )q2_front >= 0LL) && (4294967294LL + (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL + (long long )M) - (long long )N >= 0LL) && (4294967294LL + (long long )M) - (long long )q1_front >= 0LL) && (4294967294LL + (long long )M) - (long long )q1_back >= 0LL) && (4294967294LL + (long long )M) - (long long )q2_front >= 0LL) && (4294967294LL + (long long )M) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )M) - (long long )n1 >= 0LL) && (3221225469LL - (long long )M) - (long long )n2 >= 0LL) && (3221225470LL - (long long )C) - (long long )n1 >= 0LL) && (3221225470LL - (long long )C) - (long long )n2 >= 0LL) && (3221225470LL - (long long )N) - (long long )n1 >= 0LL) && (3221225470LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_back >= 0LL) && (4294967293LL - (long long )C) - (long long )M >= 0LL) && (4294967293LL - (long long )M) - (long long )N >= 0LL) && (4294967293LL - (long long )M) - (long long )q1_front >= 0LL) && (4294967293LL - (long long )M) - (long long )q1_back >= 0LL) && (4294967293LL - (long long )M) - (long long )q2_front >= 0LL) && (4294967293LL - (long long )M) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )C) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q1_front >= 0LL))) && (! multithreaded || 0 <= j)) && (! multithreaded || ((-2147483647 <= C && 0 <= i) && 0 <= j))) && (! multithreaded || -2147483647 <= C) [2024-09-23 06:02:19,129 INFO L1541 ArrayList]: Location invariant before [L147-L147] ((((! multithreaded || 0 <= i) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483646LL + (long long )C) + (long long )i >= 0LL && (2147483646LL + (long long )C) + (long long )j >= 0LL) && (2147483646LL + (long long )C) + (long long )n1 >= 0LL) && (2147483646LL + (long long )C) + (long long )n2 >= 0LL) && (2147483647LL + (long long )N) + (long long )i >= 0LL) && (2147483647LL + (long long )N) + (long long )j >= 0LL) && (2147483647LL + (long long )N) + (long long )n1 >= 0LL) && (2147483647LL + (long long )N) + (long long )n2 >= 0LL) && (2147483647LL + (long long )M) + (long long )i >= 0LL) && (2147483647LL + (long long )M) + (long long )j >= 0LL) && (2147483647LL + (long long )M) + (long long )n1 >= 0LL) && (2147483647LL + (long long )M) + (long long )n2 >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_back >= 0LL) && (4294967293LL + (long long )C) + (long long )N >= 0LL) && (4294967293LL + (long long )C) + (long long )M >= 0LL) && (4294967294LL + (long long )C) + (long long )q1_front >= 0LL) && (4294967294LL + (long long )C) + (long long )q1_back >= 0LL) && (4294967294LL + (long long )C) + (long long )q2_front >= 0LL) && (4294967294LL + (long long )C) + (long long )q2_back >= 0LL) && (4294967294LL + (long long )M) + (long long )N >= 0LL) && (4294967295LL + (long long )N) + (long long )q1_front >= 0LL) && (4294967295LL + (long long )N) + (long long )q1_back >= 0LL) && (4294967295LL + (long long )N) + (long long )q2_front >= 0LL) && (4294967295LL + (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL + (long long )M) + (long long )q1_front >= 0LL) && (4294967295LL + (long long )M) + (long long )q1_back >= 0LL) && (4294967295LL + (long long )M) + (long long )q2_front >= 0LL) && (4294967295LL + (long long )M) + (long long )q2_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483646LL - (long long )M) + (long long )i >= 0LL) && (2147483646LL - (long long )M) + (long long )j >= 0LL) && (2147483646LL - (long long )M) + (long long )n1 >= 0LL) && (2147483646LL - (long long )M) + (long long )n2 >= 0LL) && (2147483647LL - (long long )C) + (long long )n1 >= 0LL) && (2147483647LL - (long long )C) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )n1 >= 0LL) && (2147483647LL - (long long )N) + (long long )n2 >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_back >= 0LL) && (4294967293LL - (long long )M) + (long long )N >= 0LL) && (4294967294LL - (long long )C) + (long long )N >= 0LL) && (4294967294LL - (long long )C) + (long long )M >= 0LL) && (4294967294LL - (long long )M) + (long long )q1_front >= 0LL) && (4294967294LL - (long long )M) + (long long )q1_back >= 0LL) && (4294967294LL - (long long )M) + (long long )q2_front >= 0LL) && (4294967294LL - (long long )M) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL) && (long long )i + (long long )n1 >= 0LL) && (long long )i + (long long )n2 >= 0LL) && (long long )j + (long long )n1 >= 0LL) && (long long )j + (long long )n2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (1073741823LL + (long long )i) - (long long )n1 >= 0LL) && (1073741823LL + (long long )i) - (long long )n2 >= 0LL) && (1073741823LL + (long long )j) - (long long )n1 >= 0LL) && (1073741823LL + (long long )j) - (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_back >= 0LL) && (3221225469LL + (long long )C) - (long long )n1 >= 0LL) && (3221225469LL + (long long )C) - (long long )n2 >= 0LL) && (3221225470LL + (long long )N) - (long long )n1 >= 0LL) && (3221225470LL + (long long )N) - (long long )n2 >= 0LL) && (3221225470LL + (long long )M) - (long long )n1 >= 0LL) && (3221225470LL + (long long )M) - (long long )n2 >= 0LL) && (4294967292LL + (long long )C) - (long long )M >= 0LL) && (4294967293LL + (long long )C) - (long long )N >= 0LL) && (4294967293LL + (long long )C) - (long long )q1_front >= 0LL) && (4294967293LL + (long long )C) - (long long )q1_back >= 0LL) && (4294967293LL + (long long )C) - (long long )q2_front >= 0LL) && (4294967293LL + (long long )C) - (long long )q2_back >= 0LL) && (4294967294LL + (long long )N) - (long long )q1_front >= 0LL) && (4294967294LL + (long long )N) - (long long )q1_back >= 0LL) && (4294967294LL + (long long )N) - (long long )q2_front >= 0LL) && (4294967294LL + (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL + (long long )M) - (long long )N >= 0LL) && (4294967294LL + (long long )M) - (long long )q1_front >= 0LL) && (4294967294LL + (long long )M) - (long long )q1_back >= 0LL) && (4294967294LL + (long long )M) - (long long )q2_front >= 0LL) && (4294967294LL + (long long )M) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )M) - (long long )n1 >= 0LL) && (3221225469LL - (long long )M) - (long long )n2 >= 0LL) && (3221225470LL - (long long )C) - (long long )n1 >= 0LL) && (3221225470LL - (long long )C) - (long long )n2 >= 0LL) && (3221225470LL - (long long )N) - (long long )n1 >= 0LL) && (3221225470LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_back >= 0LL) && (4294967293LL - (long long )C) - (long long )M >= 0LL) && (4294967293LL - (long long )M) - (long long )N >= 0LL) && (4294967293LL - (long long )M) - (long long )q1_front >= 0LL) && (4294967293LL - (long long )M) - (long long )q1_back >= 0LL) && (4294967293LL - (long long )M) - (long long )q2_front >= 0LL) && (4294967293LL - (long long )M) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )C) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q1_front >= 0LL))) && (! multithreaded || 0 <= j)) && (! multithreaded || ((-2147483647 <= C && 0 <= i) && 0 <= j))) && (! multithreaded || -2147483647 <= C) [2024-09-23 06:02:19,130 INFO L1541 ArrayList]: Location invariant before [L148-L148] ((((! multithreaded || 0 <= i) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483646LL + (long long )C) + (long long )i >= 0LL && (2147483646LL + (long long )C) + (long long )j >= 0LL) && (2147483646LL + (long long )C) + (long long )n1 >= 0LL) && (2147483646LL + (long long )C) + (long long )n2 >= 0LL) && (2147483647LL + (long long )N) + (long long )i >= 0LL) && (2147483647LL + (long long )N) + (long long )j >= 0LL) && (2147483647LL + (long long )N) + (long long )n1 >= 0LL) && (2147483647LL + (long long )N) + (long long )n2 >= 0LL) && (2147483647LL + (long long )M) + (long long )i >= 0LL) && (2147483647LL + (long long )M) + (long long )j >= 0LL) && (2147483647LL + (long long )M) + (long long )n1 >= 0LL) && (2147483647LL + (long long )M) + (long long )n2 >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_back >= 0LL) && (4294967293LL + (long long )C) + (long long )N >= 0LL) && (4294967293LL + (long long )C) + (long long )M >= 0LL) && (4294967294LL + (long long )C) + (long long )q1_front >= 0LL) && (4294967294LL + (long long )C) + (long long )q1_back >= 0LL) && (4294967294LL + (long long )C) + (long long )q2_front >= 0LL) && (4294967294LL + (long long )C) + (long long )q2_back >= 0LL) && (4294967294LL + (long long )M) + (long long )N >= 0LL) && (4294967295LL + (long long )N) + (long long )q1_front >= 0LL) && (4294967295LL + (long long )N) + (long long )q1_back >= 0LL) && (4294967295LL + (long long )N) + (long long )q2_front >= 0LL) && (4294967295LL + (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL + (long long )M) + (long long )q1_front >= 0LL) && (4294967295LL + (long long )M) + (long long )q1_back >= 0LL) && (4294967295LL + (long long )M) + (long long )q2_front >= 0LL) && (4294967295LL + (long long )M) + (long long )q2_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483646LL - (long long )M) + (long long )i >= 0LL) && (2147483646LL - (long long )M) + (long long )j >= 0LL) && (2147483646LL - (long long )M) + (long long )n1 >= 0LL) && (2147483646LL - (long long )M) + (long long )n2 >= 0LL) && (2147483647LL - (long long )C) + (long long )n1 >= 0LL) && (2147483647LL - (long long )C) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )n1 >= 0LL) && (2147483647LL - (long long )N) + (long long )n2 >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_back >= 0LL) && (4294967293LL - (long long )M) + (long long )N >= 0LL) && (4294967294LL - (long long )C) + (long long )N >= 0LL) && (4294967294LL - (long long )C) + (long long )M >= 0LL) && (4294967294LL - (long long )M) + (long long )q1_front >= 0LL) && (4294967294LL - (long long )M) + (long long )q1_back >= 0LL) && (4294967294LL - (long long )M) + (long long )q2_front >= 0LL) && (4294967294LL - (long long )M) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL) && (long long )i + (long long )n1 >= 0LL) && (long long )i + (long long )n2 >= 0LL) && (long long )j + (long long )n1 >= 0LL) && (long long )j + (long long )n2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (1073741823LL + (long long )i) - (long long )n1 >= 0LL) && (1073741823LL + (long long )i) - (long long )n2 >= 0LL) && (1073741823LL + (long long )j) - (long long )n1 >= 0LL) && (1073741823LL + (long long )j) - (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_back >= 0LL) && (3221225469LL + (long long )C) - (long long )n1 >= 0LL) && (3221225469LL + (long long )C) - (long long )n2 >= 0LL) && (3221225470LL + (long long )N) - (long long )n1 >= 0LL) && (3221225470LL + (long long )N) - (long long )n2 >= 0LL) && (3221225470LL + (long long )M) - (long long )n1 >= 0LL) && (3221225470LL + (long long )M) - (long long )n2 >= 0LL) && (4294967292LL + (long long )C) - (long long )M >= 0LL) && (4294967293LL + (long long )C) - (long long )N >= 0LL) && (4294967293LL + (long long )C) - (long long )q1_front >= 0LL) && (4294967293LL + (long long )C) - (long long )q1_back >= 0LL) && (4294967293LL + (long long )C) - (long long )q2_front >= 0LL) && (4294967293LL + (long long )C) - (long long )q2_back >= 0LL) && (4294967294LL + (long long )N) - (long long )q1_front >= 0LL) && (4294967294LL + (long long )N) - (long long )q1_back >= 0LL) && (4294967294LL + (long long )N) - (long long )q2_front >= 0LL) && (4294967294LL + (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL + (long long )M) - (long long )N >= 0LL) && (4294967294LL + (long long )M) - (long long )q1_front >= 0LL) && (4294967294LL + (long long )M) - (long long )q1_back >= 0LL) && (4294967294LL + (long long )M) - (long long )q2_front >= 0LL) && (4294967294LL + (long long )M) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )M) - (long long )n1 >= 0LL) && (3221225469LL - (long long )M) - (long long )n2 >= 0LL) && (3221225470LL - (long long )C) - (long long )n1 >= 0LL) && (3221225470LL - (long long )C) - (long long )n2 >= 0LL) && (3221225470LL - (long long )N) - (long long )n1 >= 0LL) && (3221225470LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_back >= 0LL) && (4294967293LL - (long long )C) - (long long )M >= 0LL) && (4294967293LL - (long long )M) - (long long )N >= 0LL) && (4294967293LL - (long long )M) - (long long )q1_front >= 0LL) && (4294967293LL - (long long )M) - (long long )q1_back >= 0LL) && (4294967293LL - (long long )M) - (long long )q2_front >= 0LL) && (4294967293LL - (long long )M) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )C) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q1_front >= 0LL))) && (! multithreaded || 0 <= j)) && (! multithreaded || ((-2147483647 <= C && 0 <= i) && 0 <= j))) && (! multithreaded || -2147483647 <= C) [2024-09-23 06:02:19,130 INFO L1541 ArrayList]: Location invariant before [L145-L145] ((((! multithreaded || 0 <= i) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483646LL + (long long )C) + (long long )i >= 0LL && (2147483646LL + (long long )C) + (long long )j >= 0LL) && (2147483646LL + (long long )C) + (long long )n1 >= 0LL) && (2147483646LL + (long long )C) + (long long )n2 >= 0LL) && (2147483647LL + (long long )N) + (long long )i >= 0LL) && (2147483647LL + (long long )N) + (long long )j >= 0LL) && (2147483647LL + (long long )N) + (long long )n1 >= 0LL) && (2147483647LL + (long long )N) + (long long )n2 >= 0LL) && (2147483647LL + (long long )M) + (long long )i >= 0LL) && (2147483647LL + (long long )M) + (long long )j >= 0LL) && (2147483647LL + (long long )M) + (long long )n1 >= 0LL) && (2147483647LL + (long long )M) + (long long )n2 >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_back >= 0LL) && (4294967293LL + (long long )C) + (long long )N >= 0LL) && (4294967293LL + (long long )C) + (long long )M >= 0LL) && (4294967294LL + (long long )C) + (long long )q1_front >= 0LL) && (4294967294LL + (long long )C) + (long long )q1_back >= 0LL) && (4294967294LL + (long long )C) + (long long )q2_front >= 0LL) && (4294967294LL + (long long )C) + (long long )q2_back >= 0LL) && (4294967294LL + (long long )M) + (long long )N >= 0LL) && (4294967295LL + (long long )N) + (long long )q1_front >= 0LL) && (4294967295LL + (long long )N) + (long long )q1_back >= 0LL) && (4294967295LL + (long long )N) + (long long )q2_front >= 0LL) && (4294967295LL + (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL + (long long )M) + (long long )q1_front >= 0LL) && (4294967295LL + (long long )M) + (long long )q1_back >= 0LL) && (4294967295LL + (long long )M) + (long long )q2_front >= 0LL) && (4294967295LL + (long long )M) + (long long )q2_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483646LL - (long long )M) + (long long )i >= 0LL) && (2147483646LL - (long long )M) + (long long )j >= 0LL) && (2147483646LL - (long long )M) + (long long )n1 >= 0LL) && (2147483646LL - (long long )M) + (long long )n2 >= 0LL) && (2147483647LL - (long long )C) + (long long )n1 >= 0LL) && (2147483647LL - (long long )C) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )n1 >= 0LL) && (2147483647LL - (long long )N) + (long long )n2 >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_back >= 0LL) && (4294967293LL - (long long )M) + (long long )N >= 0LL) && (4294967294LL - (long long )C) + (long long )N >= 0LL) && (4294967294LL - (long long )C) + (long long )M >= 0LL) && (4294967294LL - (long long )M) + (long long )q1_front >= 0LL) && (4294967294LL - (long long )M) + (long long )q1_back >= 0LL) && (4294967294LL - (long long )M) + (long long )q2_front >= 0LL) && (4294967294LL - (long long )M) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL) && (long long )i + (long long )n1 >= 0LL) && (long long )i + (long long )n2 >= 0LL) && (long long )j + (long long )n1 >= 0LL) && (long long )j + (long long )n2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (1073741823LL + (long long )i) - (long long )n1 >= 0LL) && (1073741823LL + (long long )i) - (long long )n2 >= 0LL) && (1073741823LL + (long long )j) - (long long )n1 >= 0LL) && (1073741823LL + (long long )j) - (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_back >= 0LL) && (3221225469LL + (long long )C) - (long long )n1 >= 0LL) && (3221225469LL + (long long )C) - (long long )n2 >= 0LL) && (3221225470LL + (long long )N) - (long long )n1 >= 0LL) && (3221225470LL + (long long )N) - (long long )n2 >= 0LL) && (3221225470LL + (long long )M) - (long long )n1 >= 0LL) && (3221225470LL + (long long )M) - (long long )n2 >= 0LL) && (4294967292LL + (long long )C) - (long long )M >= 0LL) && (4294967293LL + (long long )C) - (long long )N >= 0LL) && (4294967293LL + (long long )C) - (long long )q1_front >= 0LL) && (4294967293LL + (long long )C) - (long long )q1_back >= 0LL) && (4294967293LL + (long long )C) - (long long )q2_front >= 0LL) && (4294967293LL + (long long )C) - (long long )q2_back >= 0LL) && (4294967294LL + (long long )N) - (long long )q1_front >= 0LL) && (4294967294LL + (long long )N) - (long long )q1_back >= 0LL) && (4294967294LL + (long long )N) - (long long )q2_front >= 0LL) && (4294967294LL + (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL + (long long )M) - (long long )N >= 0LL) && (4294967294LL + (long long )M) - (long long )q1_front >= 0LL) && (4294967294LL + (long long )M) - (long long )q1_back >= 0LL) && (4294967294LL + (long long )M) - (long long )q2_front >= 0LL) && (4294967294LL + (long long )M) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )M) - (long long )n1 >= 0LL) && (3221225469LL - (long long )M) - (long long )n2 >= 0LL) && (3221225470LL - (long long )C) - (long long )n1 >= 0LL) && (3221225470LL - (long long )C) - (long long )n2 >= 0LL) && (3221225470LL - (long long )N) - (long long )n1 >= 0LL) && (3221225470LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_back >= 0LL) && (4294967293LL - (long long )C) - (long long )M >= 0LL) && (4294967293LL - (long long )M) - (long long )N >= 0LL) && (4294967293LL - (long long )M) - (long long )q1_front >= 0LL) && (4294967293LL - (long long )M) - (long long )q1_back >= 0LL) && (4294967293LL - (long long )M) - (long long )q2_front >= 0LL) && (4294967293LL - (long long )M) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )C) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q1_front >= 0LL))) && (! multithreaded || 0 <= j)) && (! multithreaded || ((-2147483647 <= C && 0 <= i) && 0 <= j))) && (! multithreaded || -2147483647 <= C) [2024-09-23 06:02:19,131 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 06:02:19,131 INFO L1541 ArrayList]: ghost_update [L144-L144] multithreaded = 1; [2024-09-23 06:02:19,152 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 06:02:19,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 06:02:19,328 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-23 06:02:19,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 06:02:19,539 INFO L204 MainTranslator]: Completed translation [2024-09-23 06:02:19,541 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:02:19 WrapperNode [2024-09-23 06:02:19,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 06:02:19,543 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 06:02:19,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 06:02:19,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 06:02:19,549 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 23.09 06:02:19" (1/1) ... [2024-09-23 06:02:19,572 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 23.09 06:02:19" (1/1) ... [2024-09-23 06:02:19,625 INFO L138 Inliner]: procedures = 25, calls = 60, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 324 [2024-09-23 06:02:19,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 06:02:19,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 06:02:19,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 06:02:19,626 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 06:02:19,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:02:19" (1/1) ... [2024-09-23 06:02:19,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:02:19" (1/1) ... [2024-09-23 06:02:19,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:02:19" (1/1) ... [2024-09-23 06:02:19,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:02:19" (1/1) ... [2024-09-23 06:02:19,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:02:19" (1/1) ... [2024-09-23 06:02:19,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:02:19" (1/1) ... [2024-09-23 06:02:19,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:02:19" (1/1) ... [2024-09-23 06:02:19,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:02:19" (1/1) ... [2024-09-23 06:02:19,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 06:02:19,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 06:02:19,697 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 06:02:19,697 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 06:02:19,698 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:02:19" (1/1) ... [2024-09-23 06:02:19,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 06:02:19,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:02:19,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-23 06:02:19,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-23 06:02:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 06:02:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-23 06:02:19,776 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-23 06:02:19,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-23 06:02:19,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-23 06:02:19,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-23 06:02:19,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-23 06:02:19,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-09-23 06:02:19,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-09-23 06:02:19,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 06:02:19,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-23 06:02:19,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-23 06:02:19,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-23 06:02:19,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-23 06:02:19,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 06:02:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 06:02:19,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-23 06:02:19,781 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-23 06:02:19,904 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 06:02:19,906 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 06:02:20,556 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 06:02:20,556 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 06:02:20,917 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 06:02:20,920 INFO L318 CfgBuilder]: Removed 6 assume(true) statements. [2024-09-23 06:02:20,920 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 06:02:20 BoogieIcfgContainer [2024-09-23 06:02:20,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 06:02:20,922 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 06:02:20,924 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 06:02:20,926 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 06:02:20,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 06:02:18" (1/4) ... [2024-09-23 06:02:20,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@142bde66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 06:02:20, skipping insertion in model container [2024-09-23 06:02:20,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 06:02:19" (2/4) ... [2024-09-23 06:02:20,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@142bde66 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 06:02:20, skipping insertion in model container [2024-09-23 06:02:20,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:02:19" (3/4) ... [2024-09-23 06:02:20,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@142bde66 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 06:02:20, skipping insertion in model container [2024-09-23 06:02:20,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 06:02:20" (4/4) ... [2024-09-23 06:02:20,929 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt.wvr.c [2024-09-23 06:02:20,944 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 06:02:20,944 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-09-23 06:02:20,944 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 06:02:21,020 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-09-23 06:02:21,051 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 06:02:21,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 06:02:21,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:02:21,054 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-23 06:02:21,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-23 06:02:21,098 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 06:02:21,108 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 06:02:21,114 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@f556390, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 06:02:21,114 INFO L337 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-09-23 06:02:21,433 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-23 06:02:21,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:02:21,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1844558288, now seen corresponding path program 1 times [2024-09-23 06:02:21,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:02:21,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508730373] [2024-09-23 06:02:21,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:02:21,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:02:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:02:23,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:02:23,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:02:23,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508730373] [2024-09-23 06:02:23,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508730373] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:02:23,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 06:02:23,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-23 06:02:23,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790567819] [2024-09-23 06:02:23,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:02:23,981 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 06:02:23,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:02:23,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 06:02:24,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-23 06:02:24,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:02:24,002 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:02:24,003 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 06:02:24,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:02:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:02:24,063 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 06:02:24,063 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-23 06:02:24,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:02:24,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1238291527, now seen corresponding path program 1 times [2024-09-23 06:02:24,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:02:24,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649934452] [2024-09-23 06:02:24,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:02:24,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:02:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:02:25,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:02:25,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:02:25,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649934452] [2024-09-23 06:02:25,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649934452] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 06:02:25,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010985534] [2024-09-23 06:02:25,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:02:25,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:02:25,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:02:25,965 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) [2024-09-23 06:02:25,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-23 06:02:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:02:26,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-09-23 06:02:26,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 06:02:26,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:02:26,626 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 06:02:34,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:02:34,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010985534] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 06:02:34,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 06:02:34,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 12 [2024-09-23 06:02:34,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795169468] [2024-09-23 06:02:34,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 06:02:34,772 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-09-23 06:02:34,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:02:34,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-09-23 06:02:34,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-09-23 06:02:34,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:02:34,773 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:02:34,774 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 06:02:34,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:02:34,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:02:35,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:02:35,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:02:35,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-23 06:02:35,537 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-09-23 06:02:35,538 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-23 06:02:35,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:02:35,538 INFO L85 PathProgramCache]: Analyzing trace with hash 20111728, now seen corresponding path program 1 times [2024-09-23 06:02:35,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:02:35,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640728940] [2024-09-23 06:02:35,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:02:35,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:02:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:02:38,163 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:02:38,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:02:38,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640728940] [2024-09-23 06:02:38,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640728940] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 06:02:38,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071450769] [2024-09-23 06:02:38,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:02:38,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:02:38,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:02:38,168 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) [2024-09-23 06:02:38,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-23 06:02:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:02:38,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-09-23 06:02:38,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 06:02:39,234 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:02:39,235 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 06:02:48,964 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:02:48,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071450769] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 06:02:48,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 06:02:48,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 27 [2024-09-23 06:02:48,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327793390] [2024-09-23 06:02:48,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 06:02:48,965 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-23 06:02:48,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:02:48,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-23 06:02:48,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=634, Unknown=0, NotChecked=0, Total=812 [2024-09-23 06:02:48,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:02:48,967 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:02:48,967 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 28 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) [2024-09-23 06:02:48,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:02:48,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:02:48,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:02:54,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:02:54,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:02:54,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-23 06:02:54,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-09-23 06:02:54,511 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:02:54,512 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-23 06:02:54,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:02:54,512 INFO L85 PathProgramCache]: Analyzing trace with hash -2067293797, now seen corresponding path program 2 times [2024-09-23 06:02:54,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:02:54,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068558333] [2024-09-23 06:02:54,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:02:54,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:02:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:02:58,169 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:02:58,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:02:58,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068558333] [2024-09-23 06:02:58,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068558333] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 06:02:58,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381004068] [2024-09-23 06:02:58,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 06:02:58,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:02:58,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:02:58,171 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) [2024-09-23 06:02:58,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-23 06:02:58,245 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-23 06:02:58,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 06:02:58,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-09-23 06:02:58,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 06:02:58,971 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-09-23 06:02:58,971 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 06:02:58,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381004068] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:02:58,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 06:02:58,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 21 [2024-09-23 06:02:58,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850766269] [2024-09-23 06:02:58,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:02:58,972 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 06:02:58,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:02:58,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 06:02:58,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2024-09-23 06:02:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:02:58,973 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:02:58,973 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 06:02:58,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:02:58,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:02:58,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-23 06:02:58,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:03:01,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:03:01,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:03:01,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-23 06:03:01,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:03:01,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-23 06:03:01,592 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:03:01,593 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-23 06:03:01,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:03:01,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1922931072, now seen corresponding path program 1 times [2024-09-23 06:03:01,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:03:01,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292605912] [2024-09-23 06:03:01,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:03:01,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:03:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:03:13,831 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 51 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:03:13,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:03:13,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292605912] [2024-09-23 06:03:13,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292605912] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 06:03:13,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768678600] [2024-09-23 06:03:13,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:03:13,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:03:13,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:03:13,836 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) [2024-09-23 06:03:13,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-23 06:03:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:03:13,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-23 06:03:13,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 06:03:17,932 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-09-23 06:03:17,933 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 06:03:17,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768678600] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:03:17,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 06:03:17,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [25] total 31 [2024-09-23 06:03:17,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909407403] [2024-09-23 06:03:17,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:03:17,934 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-23 06:03:17,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:03:17,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-23 06:03:17,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=894, Unknown=0, NotChecked=0, Total=1056 [2024-09-23 06:03:17,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:03:17,935 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:03:17,936 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 06:03:17,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:03:17,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:03:17,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-23 06:03:17,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:03:17,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:03:19,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:03:19,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:03:19,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-23 06:03:19,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:03:19,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:03:20,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-23 06:03:20,196 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:03:20,198 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-23 06:03:20,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:03:20,199 INFO L85 PathProgramCache]: Analyzing trace with hash -929065573, now seen corresponding path program 1 times [2024-09-23 06:03:20,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:03:20,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183625070] [2024-09-23 06:03:20,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:03:20,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:03:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:03:35,866 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 51 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:03:35,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:03:35,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183625070] [2024-09-23 06:03:35,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183625070] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 06:03:35,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526649749] [2024-09-23 06:03:35,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:03:35,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:03:35,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:03:35,870 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) [2024-09-23 06:03:35,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-23 06:03:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:03:36,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-23 06:03:36,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 06:03:39,959 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-09-23 06:03:39,959 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 06:03:39,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526649749] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:03:39,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 06:03:39,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [26] total 32 [2024-09-23 06:03:39,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165892101] [2024-09-23 06:03:39,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:03:39,960 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-23 06:03:39,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:03:39,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-23 06:03:39,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=961, Unknown=0, NotChecked=0, Total=1122 [2024-09-23 06:03:39,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:03:39,962 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:03:39,962 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 06:03:39,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:03:39,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:03:39,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-23 06:03:39,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:03:39,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:03:39,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:03:42,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:03:42,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:03:42,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-23 06:03:42,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:03:42,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:03:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:03:42,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-23 06:03:42,644 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:03:42,645 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-23 06:03:42,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:03:42,646 INFO L85 PathProgramCache]: Analyzing trace with hash 648452761, now seen corresponding path program 1 times [2024-09-23 06:03:42,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:03:42,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942690106] [2024-09-23 06:03:42,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:03:42,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:03:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:03:57,790 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 51 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:03:57,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:03:57,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942690106] [2024-09-23 06:03:57,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942690106] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 06:03:57,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637309363] [2024-09-23 06:03:57,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:03:57,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:03:57,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:03:57,793 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) [2024-09-23 06:03:57,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-23 06:03:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:03:57,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-23 06:03:57,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 06:04:01,883 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-09-23 06:04:01,884 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 06:04:01,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637309363] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:04:01,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 06:04:01,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [25] total 31 [2024-09-23 06:04:01,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807772597] [2024-09-23 06:04:01,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:04:01,885 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-23 06:04:01,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:04:01,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-23 06:04:01,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=900, Unknown=0, NotChecked=0, Total=1056 [2024-09-23 06:04:01,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:04:01,886 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:04:01,886 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 06:04:01,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:04:01,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:04:01,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-23 06:04:01,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:04:01,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:04:01,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:04:01,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:04:06,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:04:06,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:04:06,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-23 06:04:06,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:04:06,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:04:06,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:04:06,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:04:06,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-09-23 06:04:06,309 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-09-23 06:04:06,310 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-23 06:04:06,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:04:06,310 INFO L85 PathProgramCache]: Analyzing trace with hash -680030220, now seen corresponding path program 1 times [2024-09-23 06:04:06,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:04:06,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478707243] [2024-09-23 06:04:06,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:04:06,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:04:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:04:21,669 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 51 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:04:21,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:04:21,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478707243] [2024-09-23 06:04:21,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478707243] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 06:04:21,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384004855] [2024-09-23 06:04:21,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:04:21,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:04:21,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:04:21,671 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) [2024-09-23 06:04:21,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-23 06:04:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:04:21,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-23 06:04:21,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 06:04:25,817 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-09-23 06:04:25,817 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 06:04:25,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384004855] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:04:25,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 06:04:25,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [26] total 32 [2024-09-23 06:04:25,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320227269] [2024-09-23 06:04:25,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:04:25,818 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-23 06:04:25,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:04:25,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-23 06:04:25,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=961, Unknown=0, NotChecked=0, Total=1122 [2024-09-23 06:04:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:04:25,819 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:04:25,820 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 06:04:25,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:04:25,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:04:25,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-23 06:04:25,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:04:25,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:04:25,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:04:25,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:04:25,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:04:48,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:04:48,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 06:04:48,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 06:04:48,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:04:48,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:04:48,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:04:48,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:04:48,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:04:48,297 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 8 remaining) [2024-09-23 06:04:48,301 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 8 remaining) [2024-09-23 06:04:48,302 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 8 remaining) [2024-09-23 06:04:48,302 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 8 remaining) [2024-09-23 06:04:48,302 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-09-23 06:04:48,302 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-09-23 06:04:48,302 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-09-23 06:04:48,302 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-09-23 06:04:48,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-09-23 06:04:48,503 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:04:48,509 INFO L408 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2024-09-23 06:04:48,512 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 06:04:48,512 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 06:04:48,515 INFO L469 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-09-23 06:04:48,515 INFO L470 ceAbstractionStarter]: WitnessConsidered=4 [2024-09-23 06:04:48,516 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 06:04:48 BasicIcfg [2024-09-23 06:04:48,516 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 06:04:48,516 INFO L158 Benchmark]: Toolchain (without parser) took 149418.68ms. Allocated memory was 178.3MB in the beginning and 5.2GB in the end (delta: 5.0GB). Free memory was 148.1MB in the beginning and 4.7GB in the end (delta: -4.5GB). Peak memory consumption was 507.1MB. Max. memory is 16.1GB. [2024-09-23 06:04:48,517 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 06:04:48,517 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 130.0MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 06:04:48,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.23ms. Allocated memory is still 178.3MB. Free memory was 147.4MB in the beginning and 120.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-09-23 06:04:48,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.93ms. Allocated memory is still 178.3MB. Free memory was 120.1MB in the beginning and 113.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-23 06:04:48,518 INFO L158 Benchmark]: Boogie Preprocessor took 68.10ms. Allocated memory is still 178.3MB. Free memory was 113.9MB in the beginning and 111.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 06:04:48,518 INFO L158 Benchmark]: RCFGBuilder took 1225.98ms. Allocated memory was 178.3MB in the beginning and 237.0MB in the end (delta: 58.7MB). Free memory was 111.0MB in the beginning and 128.3MB in the end (delta: -17.2MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2024-09-23 06:04:48,518 INFO L158 Benchmark]: TraceAbstraction took 147593.93ms. Allocated memory was 237.0MB in the beginning and 5.2GB in the end (delta: 5.0GB). Free memory was 127.2MB in the beginning and 4.7GB in the end (delta: -4.5GB). Peak memory consumption was 426.5MB. Max. memory is 16.1GB. [2024-09-23 06:04:48,519 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 130.0MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.23ms. Allocated memory is still 178.3MB. Free memory was 147.4MB in the beginning and 120.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.93ms. Allocated memory is still 178.3MB. Free memory was 120.1MB in the beginning and 113.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.10ms. Allocated memory is still 178.3MB. Free memory was 113.9MB in the beginning and 111.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1225.98ms. Allocated memory was 178.3MB in the beginning and 237.0MB in the end (delta: 58.7MB). Free memory was 111.0MB in the beginning and 128.3MB in the end (delta: -17.2MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. * TraceAbstraction took 147593.93ms. Allocated memory was 237.0MB in the beginning and 5.2GB in the end (delta: 5.0GB). Free memory was 127.2MB in the beginning and 4.7GB in the end (delta: -4.5GB). Peak memory consumption was 426.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4273402, independent: 3893038, independent conditional: 3890964, independent unconditional: 2074, dependent: 380364, dependent conditional: 380323, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3990373, independent: 3893038, independent conditional: 3890964, independent unconditional: 2074, dependent: 97335, dependent conditional: 97294, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3990373, independent: 3893038, independent conditional: 3890964, independent unconditional: 2074, dependent: 97335, dependent conditional: 97294, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4511386, independent: 3893038, independent conditional: 3890964, independent unconditional: 2074, dependent: 618348, dependent conditional: 618307, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4511386, independent: 3893038, independent conditional: 38907, independent unconditional: 3854131, dependent: 618348, dependent conditional: 446738, dependent unconditional: 171610, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4511386, independent: 3893038, independent conditional: 38907, independent unconditional: 3854131, dependent: 618348, dependent conditional: 446738, dependent unconditional: 171610, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2294, independent: 1824, independent conditional: 35, independent unconditional: 1789, dependent: 470, dependent conditional: 429, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2294, independent: 1720, independent conditional: 0, independent unconditional: 1720, dependent: 574, dependent conditional: 0, dependent unconditional: 574, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 574, independent: 104, independent conditional: 35, independent unconditional: 69, dependent: 470, dependent conditional: 429, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 574, independent: 104, independent conditional: 35, independent unconditional: 69, dependent: 470, dependent conditional: 429, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6188, independent: 1804, independent conditional: 764, independent unconditional: 1040, dependent: 4384, dependent conditional: 4133, dependent unconditional: 251, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4511386, independent: 3891214, independent conditional: 38872, independent unconditional: 3852342, dependent: 617878, dependent conditional: 446309, dependent unconditional: 171569, unknown: 2294, unknown conditional: 464, unknown unconditional: 1830] , Statistics on independence cache: Total cache size (in pairs): 2294, Positive cache size: 1824, Positive conditional cache size: 35, Positive unconditional cache size: 1789, Negative cache size: 470, Negative conditional cache size: 429, Negative unconditional cache size: 41, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4023626, Maximal queried relation: 7, Independence queries for same thread: 283029, Persistent sets #1 benchmarks: Persistent set computation time: 1.5s, Number of persistent set computation: 5844, Number of trivial persistent sets: 4645, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2115, independent: 2074, independent conditional: 0, independent unconditional: 2074, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4273402, independent: 3893038, independent conditional: 3890964, independent unconditional: 2074, dependent: 380364, dependent conditional: 380323, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3990373, independent: 3893038, independent conditional: 3890964, independent unconditional: 2074, dependent: 97335, dependent conditional: 97294, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3990373, independent: 3893038, independent conditional: 3890964, independent unconditional: 2074, dependent: 97335, dependent conditional: 97294, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4511386, independent: 3893038, independent conditional: 3890964, independent unconditional: 2074, dependent: 618348, dependent conditional: 618307, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4511386, independent: 3893038, independent conditional: 38907, independent unconditional: 3854131, dependent: 618348, dependent conditional: 446738, dependent unconditional: 171610, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4511386, independent: 3893038, independent conditional: 38907, independent unconditional: 3854131, dependent: 618348, dependent conditional: 446738, dependent unconditional: 171610, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2294, independent: 1824, independent conditional: 35, independent unconditional: 1789, dependent: 470, dependent conditional: 429, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2294, independent: 1720, independent conditional: 0, independent unconditional: 1720, dependent: 574, dependent conditional: 0, dependent unconditional: 574, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 574, independent: 104, independent conditional: 35, independent unconditional: 69, dependent: 470, dependent conditional: 429, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 574, independent: 104, independent conditional: 35, independent unconditional: 69, dependent: 470, dependent conditional: 429, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6188, independent: 1804, independent conditional: 764, independent unconditional: 1040, dependent: 4384, dependent conditional: 4133, dependent unconditional: 251, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4511386, independent: 3891214, independent conditional: 38872, independent unconditional: 3852342, dependent: 617878, dependent conditional: 446309, dependent unconditional: 171569, unknown: 2294, unknown conditional: 464, unknown unconditional: 1830] , Statistics on independence cache: Total cache size (in pairs): 2294, Positive cache size: 1824, Positive conditional cache size: 35, Positive unconditional cache size: 1789, Negative cache size: 470, Negative conditional cache size: 429, Negative unconditional cache size: 41, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4023626, Maximal queried relation: 7, Independence queries for same thread: 283029 - PositiveResult [Line: 145]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 146]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 147]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 148]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 85 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 147.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 39.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 104.7s InterpolantComputationTime, 533 NumberOfCodeBlocks, 518 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 541 ConstructedInterpolants, 0 QuantifiedInterpolants, 77805 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2022 ConjunctsInSsa, 148 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 560/754 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-23 06:04:48,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-23 06:04:49,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE