./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.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-more-buffer-mult.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-more-buffer-mult.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-more-buffer-mult.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 06:04:53,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 06:04:53,648 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 06:04:53,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 06:04:53,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 06:04:53,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 06:04:53,718 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 06:04:53,719 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 06:04:53,720 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 06:04:53,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 06:04:53,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 06:04:53,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 06:04:53,723 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 06:04:53,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 06:04:53,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 06:04:53,724 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 06:04:53,741 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 06:04:53,741 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 06:04:53,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 06:04:53,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 06:04:53,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 06:04:53,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 06:04:53,746 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 06:04:53,746 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 06:04:53,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 06:04:53,747 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 06:04:53,747 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 06:04:53,748 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 06:04:53,748 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 06:04:53,748 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 06:04:53,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 06:04:53,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 06:04:53,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 06:04:53,754 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 06:04:53,754 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 06:04:53,754 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 06:04:53,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 06:04:53,755 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 06:04:53,755 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 06:04:53,755 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 06:04:53,755 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 06:04:53,757 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-23 06:04:54,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 06:04:54,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 06:04:54,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 06:04:54,072 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 06:04:54,073 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 06:04:54,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2024-09-23 06:04:55,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 06:04:55,977 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 06:04:55,977 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2024-09-23 06:04:55,990 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2ca4eb217/297f82d0567a4cea94338d4578d69c33/FLAG4a27fc7a9 [2024-09-23 06:04:56,011 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2ca4eb217/297f82d0567a4cea94338d4578d69c33 [2024-09-23 06:04:56,015 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 06:04:56,016 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 06:04:56,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-more-buffer-mult.wvr.yml/witness.yml [2024-09-23 06:04:56,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 06:04:56,144 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 06:04:56,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 06:04:56,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 06:04:56,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 06:04:56,152 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 06:04:56" (1/2) ... [2024-09-23 06:04:56,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416fd9c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:04:56, skipping insertion in model container [2024-09-23 06:04:56,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 06:04:56" (1/2) ... [2024-09-23 06:04:56,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66cb3047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:04:56, skipping insertion in model container [2024-09-23 06:04:56,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 06:04:56" (2/2) ... [2024-09-23 06:04:56,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416fd9c3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:04:56, skipping insertion in model container [2024-09-23 06:04:56,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 06:04:56" (2/2) ... [2024-09-23 06:04:56,180 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 06:04:56,181 INFO L1541 ArrayList]: Location invariant before [L143-L143] (((! multithreaded || 0 <= i) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((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 )C) + (long long )i >= 0LL) && (2147483647LL + (long long )C) + (long long )j >= 0LL) && (2147483647LL + (long long )C) + (long long )n1 >= 0LL) && (2147483647LL + (long long )C) + (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) && (4294967294LL + (long long )C) + (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 )C) + (long long )q1_front >= 0LL) && (4294967295LL + (long long )C) + (long long )q1_back >= 0LL) && (4294967295LL + (long long )C) + (long long )q2_front >= 0LL) && (4294967295LL + (long long )C) + (long long )q2_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )n1 >= 0LL) && (2147483647LL - (long long )N) + (long long )n2 >= 0LL) && (2147483647LL - (long long )C) + (long long )n1 >= 0LL) && (2147483647LL - (long long )C) + (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) && (4294967294LL - (long long )C) + (long long )N >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q2_front >= 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 )i) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )i) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )i) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_back >= 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) && (3221225470LL + (long long )N) - (long long )n1 >= 0LL) && (3221225470LL + (long long )N) - (long long )n2 >= 0LL) && (3221225470LL + (long long )C) - (long long )n1 >= 0LL) && (3221225470LL + (long long )C) - (long long )n2 >= 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 )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 )C) - (long long )N >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q2_front >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_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) && (3221225470LL - (long long )N) - (long long )n1 >= 0LL) && (3221225470LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )C) - (long long )n1 >= 0LL) && (3221225470LL - (long long )C) - (long long )n2 >= 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) && (4294967294LL - (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q2_front >= 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 )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))) && (! multithreaded || 0 <= j)) && (! multithreaded || (0 <= i && 0 <= j)) [2024-09-23 06:04:56,181 INFO L1541 ArrayList]: Location invariant before [L144-L144] (((! multithreaded || 0 <= i) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((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 )C) + (long long )i >= 0LL) && (2147483647LL + (long long )C) + (long long )j >= 0LL) && (2147483647LL + (long long )C) + (long long )n1 >= 0LL) && (2147483647LL + (long long )C) + (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) && (4294967294LL + (long long )C) + (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 )C) + (long long )q1_front >= 0LL) && (4294967295LL + (long long )C) + (long long )q1_back >= 0LL) && (4294967295LL + (long long )C) + (long long )q2_front >= 0LL) && (4294967295LL + (long long )C) + (long long )q2_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )n1 >= 0LL) && (2147483647LL - (long long )N) + (long long )n2 >= 0LL) && (2147483647LL - (long long )C) + (long long )n1 >= 0LL) && (2147483647LL - (long long )C) + (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) && (4294967294LL - (long long )C) + (long long )N >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q2_front >= 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 )i) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )i) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )i) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_back >= 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) && (3221225470LL + (long long )N) - (long long )n1 >= 0LL) && (3221225470LL + (long long )N) - (long long )n2 >= 0LL) && (3221225470LL + (long long )C) - (long long )n1 >= 0LL) && (3221225470LL + (long long )C) - (long long )n2 >= 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 )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 )C) - (long long )N >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q2_front >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_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) && (3221225470LL - (long long )N) - (long long )n1 >= 0LL) && (3221225470LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )C) - (long long )n1 >= 0LL) && (3221225470LL - (long long )C) - (long long )n2 >= 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) && (4294967294LL - (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q2_front >= 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 )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))) && (! multithreaded || 0 <= j)) && (! multithreaded || (0 <= i && 0 <= j)) [2024-09-23 06:04:56,182 INFO L1541 ArrayList]: Location invariant before [L145-L145] (((! multithreaded || 0 <= i) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((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 )C) + (long long )i >= 0LL) && (2147483647LL + (long long )C) + (long long )j >= 0LL) && (2147483647LL + (long long )C) + (long long )n1 >= 0LL) && (2147483647LL + (long long )C) + (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) && (4294967294LL + (long long )C) + (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 )C) + (long long )q1_front >= 0LL) && (4294967295LL + (long long )C) + (long long )q1_back >= 0LL) && (4294967295LL + (long long )C) + (long long )q2_front >= 0LL) && (4294967295LL + (long long )C) + (long long )q2_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )n1 >= 0LL) && (2147483647LL - (long long )N) + (long long )n2 >= 0LL) && (2147483647LL - (long long )C) + (long long )n1 >= 0LL) && (2147483647LL - (long long )C) + (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) && (4294967294LL - (long long )C) + (long long )N >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q2_front >= 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 )i) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )i) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )i) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_back >= 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) && (3221225470LL + (long long )N) - (long long )n1 >= 0LL) && (3221225470LL + (long long )N) - (long long )n2 >= 0LL) && (3221225470LL + (long long )C) - (long long )n1 >= 0LL) && (3221225470LL + (long long )C) - (long long )n2 >= 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 )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 )C) - (long long )N >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q2_front >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_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) && (3221225470LL - (long long )N) - (long long )n1 >= 0LL) && (3221225470LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )C) - (long long )n1 >= 0LL) && (3221225470LL - (long long )C) - (long long )n2 >= 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) && (4294967294LL - (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q2_front >= 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 )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))) && (! multithreaded || 0 <= j)) && (! multithreaded || (0 <= i && 0 <= j)) [2024-09-23 06:04:56,182 INFO L1541 ArrayList]: Location invariant before [L146-L146] (((! multithreaded || 0 <= i) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((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 )C) + (long long )i >= 0LL) && (2147483647LL + (long long )C) + (long long )j >= 0LL) && (2147483647LL + (long long )C) + (long long )n1 >= 0LL) && (2147483647LL + (long long )C) + (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) && (4294967294LL + (long long )C) + (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 )C) + (long long )q1_front >= 0LL) && (4294967295LL + (long long )C) + (long long )q1_back >= 0LL) && (4294967295LL + (long long )C) + (long long )q2_front >= 0LL) && (4294967295LL + (long long )C) + (long long )q2_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )n1 >= 0LL) && (2147483647LL - (long long )N) + (long long )n2 >= 0LL) && (2147483647LL - (long long )C) + (long long )n1 >= 0LL) && (2147483647LL - (long long )C) + (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) && (4294967294LL - (long long )C) + (long long )N >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q2_front >= 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 )i) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )i) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )i) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_back >= 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) && (3221225470LL + (long long )N) - (long long )n1 >= 0LL) && (3221225470LL + (long long )N) - (long long )n2 >= 0LL) && (3221225470LL + (long long )C) - (long long )n1 >= 0LL) && (3221225470LL + (long long )C) - (long long )n2 >= 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 )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 )C) - (long long )N >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q2_front >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_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) && (3221225470LL - (long long )N) - (long long )n1 >= 0LL) && (3221225470LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )C) - (long long )n1 >= 0LL) && (3221225470LL - (long long )C) - (long long )n2 >= 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) && (4294967294LL - (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q2_front >= 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 )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))) && (! multithreaded || 0 <= j)) && (! multithreaded || (0 <= i && 0 <= j)) [2024-09-23 06:04:56,183 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 06:04:56,183 INFO L1541 ArrayList]: ghost_update [L142-L142] multithreaded = 1; [2024-09-23 06:04:56,208 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 06:04:56,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 06:04:56,467 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 06:04:56,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 06:04:56,711 INFO L204 MainTranslator]: Completed translation [2024-09-23 06:04:56,711 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:04:56 WrapperNode [2024-09-23 06:04:56,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 06:04:56,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 06:04:56,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 06:04:56,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 06:04:56,720 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 06:04:56" (1/1) ... [2024-09-23 06:04:56,740 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 06:04:56" (1/1) ... [2024-09-23 06:04:56,854 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 19, calls inlined = 23, statements flattened = 309 [2024-09-23 06:04:56,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 06:04:56,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 06:04:56,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 06:04:56,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 06:04:56,895 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 06:04:56" (1/1) ... [2024-09-23 06:04:56,898 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 06:04:56" (1/1) ... [2024-09-23 06:04:56,918 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 06:04:56" (1/1) ... [2024-09-23 06:04:56,918 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 06:04:56" (1/1) ... [2024-09-23 06:04:56,936 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 06:04:56" (1/1) ... [2024-09-23 06:04:56,940 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 06:04:56" (1/1) ... [2024-09-23 06:04:56,948 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 06:04:56" (1/1) ... [2024-09-23 06:04:56,955 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 06:04:56" (1/1) ... [2024-09-23 06:04:56,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 06:04:56,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 06:04:56,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 06:04:56,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 06:04:56,970 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 06:04:56" (1/1) ... [2024-09-23 06:04:56,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 06:04:56,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:04:57,011 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 06:04:57,017 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 06:04:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 06:04:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-23 06:04:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-23 06:04:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-23 06:04:57,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-23 06:04:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-23 06:04:57,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-23 06:04:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-23 06:04:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-23 06:04:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-09-23 06:04:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-09-23 06:04:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 06:04:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-23 06:04:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-23 06:04:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-23 06:04:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 06:04:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 06:04:57,077 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 06:04:57,208 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 06:04:57,210 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 06:04:57,907 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 06:04:57,911 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 06:04:58,291 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 06:04:58,295 INFO L318 CfgBuilder]: Removed 6 assume(true) statements. [2024-09-23 06:04:58,296 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 06:04:58 BoogieIcfgContainer [2024-09-23 06:04:58,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 06:04:58,298 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 06:04:58,302 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 06:04:58,308 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 06:04:58,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 06:04:56" (1/4) ... [2024-09-23 06:04:58,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75095e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 06:04:58, skipping insertion in model container [2024-09-23 06:04:58,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 06:04:56" (2/4) ... [2024-09-23 06:04:58,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75095e6a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 06:04:58, skipping insertion in model container [2024-09-23 06:04:58,310 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 06:04:56" (3/4) ... [2024-09-23 06:04:58,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75095e6a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 06:04:58, skipping insertion in model container [2024-09-23 06:04:58,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 06:04:58" (4/4) ... [2024-09-23 06:04:58,312 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult.wvr.c [2024-09-23 06:04:58,334 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 06:04:58,335 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-09-23 06:04:58,335 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 06:04:58,442 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-09-23 06:04:58,488 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 06:04:58,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 06:04:58,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:04:58,490 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 06:04:58,492 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 06:04:58,519 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 06:04:58,531 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 06:04:58,537 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;@59eef407, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 06:04:58,537 INFO L337 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-09-23 06:04:58,996 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 06:04:59,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:04:59,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1214397886, now seen corresponding path program 1 times [2024-09-23 06:04:59,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:04:59,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938551504] [2024-09-23 06:04:59,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:04:59,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:04:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:05:02,272 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 06:05:02,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:05:02,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938551504] [2024-09-23 06:05:02,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938551504] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:05:02,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 06:05:02,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-23 06:05:02,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124918696] [2024-09-23 06:05:02,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:05:02,282 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 06:05:02,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:05:02,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 06:05:02,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-23 06:05:02,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:05:02,316 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:05:02,318 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 06:05:02,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:05:02,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:05:02,383 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 06:05:02,383 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 06:05:02,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:05:02,385 INFO L85 PathProgramCache]: Analyzing trace with hash -2071062190, now seen corresponding path program 1 times [2024-09-23 06:05:02,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:05:02,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861244485] [2024-09-23 06:05:02,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:05:02,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:05:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:05:04,992 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 06:05:04,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:05:04,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861244485] [2024-09-23 06:05:04,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861244485] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 06:05:04,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999302724] [2024-09-23 06:05:04,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:05:04,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:05:04,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:05:05,008 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 06:05:05,012 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 06:05:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:05:05,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-09-23 06:05:05,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 06:05:05,714 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 06:05:05,714 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 06:05:15,682 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 06:05:15,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999302724] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 06:05:15,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 06:05:15,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 12 [2024-09-23 06:05:15,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292490179] [2024-09-23 06:05:15,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 06:05:15,686 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-09-23 06:05:15,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:05:15,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-09-23 06:05:15,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-09-23 06:05:15,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:05:15,688 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:05:15,688 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 06:05:15,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:05:15,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:05:17,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:05:17,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:05:17,144 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 06:05:17,328 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 06:05:17,329 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 06:05:17,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:05:17,329 INFO L85 PathProgramCache]: Analyzing trace with hash -193430782, now seen corresponding path program 1 times [2024-09-23 06:05:17,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:05:17,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810750187] [2024-09-23 06:05:17,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:05:17,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:05:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:05:21,014 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 06:05:21,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:05:21,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810750187] [2024-09-23 06:05:21,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810750187] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 06:05:21,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455826293] [2024-09-23 06:05:21,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:05:21,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:05:21,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:05:21,020 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 06:05:21,027 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 06:05:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:05:21,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-09-23 06:05:21,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 06:05:21,943 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 06:05:21,943 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 06:05:40,136 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 06:05:40,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455826293] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 06:05:40,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 06:05:40,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 27 [2024-09-23 06:05:40,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981396280] [2024-09-23 06:05:40,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 06:05:40,137 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-23 06:05:40,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:05:40,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-23 06:05:40,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=645, Unknown=0, NotChecked=0, Total=812 [2024-09-23 06:05:40,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:05:40,139 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:05:40,140 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 06:05:40,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:05:40,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:05:40,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:05:46,358 WARN L293 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 236 DAG size of output: 236 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-09-23 06:05:59,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:05:59,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:05:59,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-23 06:05:59,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-23 06:06:00,093 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 06:06:00,094 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 06:06:00,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:06:00,095 INFO L85 PathProgramCache]: Analyzing trace with hash 11739394, now seen corresponding path program 2 times [2024-09-23 06:06:00,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:06:00,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724834248] [2024-09-23 06:06:00,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:06:00,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:06:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:06:05,071 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:06:05,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:06:05,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724834248] [2024-09-23 06:06:05,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724834248] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 06:06:05,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809217812] [2024-09-23 06:06:05,073 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 06:06:05,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:06:05,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:06:05,076 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 06:06:05,080 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 06:06:05,179 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-23 06:06:05,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 06:06:05,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-09-23 06:06:05,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 06:06:05,874 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-09-23 06:06:05,875 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 06:06:05,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809217812] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:06:05,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 06:06:05,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [15] total 18 [2024-09-23 06:06:05,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589048594] [2024-09-23 06:06:05,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:06:05,876 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 06:06:05,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:06:05,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 06:06:05,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2024-09-23 06:06:05,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:06:05,877 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:06:05,877 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 06:06:05,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:06:05,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:06:05,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-23 06:06:05,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:06:09,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:06:09,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:06:09,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-23 06:06:09,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:06:09,099 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 06:06:09,265 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 06:06:09,266 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 06:06:09,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:06:09,267 INFO L85 PathProgramCache]: Analyzing trace with hash -400510587, now seen corresponding path program 1 times [2024-09-23 06:06:09,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:06:09,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303649780] [2024-09-23 06:06:09,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:06:09,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:06:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:06:17,048 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 36 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:06:17,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:06:17,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303649780] [2024-09-23 06:06:17,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303649780] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 06:06:17,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231752257] [2024-09-23 06:06:17,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:06:17,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:06:17,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:06:17,051 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 06:06:17,053 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 06:06:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:06:17,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-09-23 06:06:17,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 06:06:23,827 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-09-23 06:06:23,827 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 06:06:23,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231752257] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:06:23,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 06:06:23,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [19] total 23 [2024-09-23 06:06:23,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580341031] [2024-09-23 06:06:23,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:06:23,828 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 06:06:23,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:06:23,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 06:06:23,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2024-09-23 06:06:23,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:06:23,830 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:06:23,830 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 06:06:23,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:06:23,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:06:23,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-23 06:06:23,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:06:23,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:06:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:06:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:06:25,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-23 06:06:25,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:06:25,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:06:25,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-23 06:06:26,063 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 06:06:26,063 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 06:06:26,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:06:26,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1130023840, now seen corresponding path program 1 times [2024-09-23 06:06:26,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:06:26,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785462590] [2024-09-23 06:06:26,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:06:26,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:06:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:06:34,117 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 36 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:06:34,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:06:34,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785462590] [2024-09-23 06:06:34,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785462590] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 06:06:34,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294429627] [2024-09-23 06:06:34,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:06:34,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:06:34,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:06:34,123 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 06:06:34,125 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 06:06:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:06:34,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-09-23 06:06:34,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 06:06:41,032 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-09-23 06:06:41,033 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 06:06:41,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294429627] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:06:41,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 06:06:41,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [20] total 24 [2024-09-23 06:06:41,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485999967] [2024-09-23 06:06:41,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:06:41,034 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 06:06:41,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:06:41,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 06:06:41,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=532, Unknown=0, NotChecked=0, Total=650 [2024-09-23 06:06:41,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:06:41,036 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:06:41,036 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 06:06:41,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:06:41,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:06:41,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-23 06:06:41,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:06:41,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:06:41,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:07:12,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:07:12,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 06:07:12,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-23 06:07:12,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:07:12,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:07:12,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:07:12,092 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 8 remaining) [2024-09-23 06:07:12,092 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 8 remaining) [2024-09-23 06:07:12,092 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 8 remaining) [2024-09-23 06:07:12,092 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 8 remaining) [2024-09-23 06:07:12,092 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-09-23 06:07:12,093 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-09-23 06:07:12,093 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-09-23 06:07:12,093 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-09-23 06:07:12,111 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 06:07:12,293 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 06:07:12,299 INFO L408 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2024-09-23 06:07:12,302 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 06:07:12,302 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 06:07:12,305 INFO L469 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-09-23 06:07:12,305 INFO L470 ceAbstractionStarter]: WitnessConsidered=4 [2024-09-23 06:07:12,306 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 06:07:12 BasicIcfg [2024-09-23 06:07:12,306 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 06:07:12,306 INFO L158 Benchmark]: Toolchain (without parser) took 136162.38ms. Allocated memory was 201.3MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 126.6MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 290.6MB. Max. memory is 16.1GB. [2024-09-23 06:07:12,306 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory was 76.8MB in the beginning and 76.7MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 06:07:12,306 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 06:07:12,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 566.69ms. Allocated memory is still 201.3MB. Free memory was 126.6MB in the beginning and 100.8MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-23 06:07:12,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.03ms. Allocated memory is still 201.3MB. Free memory was 100.8MB in the beginning and 167.6MB in the end (delta: -66.8MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-09-23 06:07:12,307 INFO L158 Benchmark]: Boogie Preprocessor took 112.98ms. Allocated memory is still 201.3MB. Free memory was 167.6MB in the beginning and 165.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 06:07:12,307 INFO L158 Benchmark]: RCFGBuilder took 1327.12ms. Allocated memory is still 201.3MB. Free memory was 164.3MB in the beginning and 91.4MB in the end (delta: 72.8MB). Peak memory consumption was 95.7MB. Max. memory is 16.1GB. [2024-09-23 06:07:12,308 INFO L158 Benchmark]: TraceAbstraction took 134007.25ms. Allocated memory was 201.3MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 90.4MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 253.1MB. Max. memory is 16.1GB. [2024-09-23 06:07:12,309 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory was 76.8MB in the beginning and 76.7MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 566.69ms. Allocated memory is still 201.3MB. Free memory was 126.6MB in the beginning and 100.8MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 142.03ms. Allocated memory is still 201.3MB. Free memory was 100.8MB in the beginning and 167.6MB in the end (delta: -66.8MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.98ms. Allocated memory is still 201.3MB. Free memory was 167.6MB in the beginning and 165.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1327.12ms. Allocated memory is still 201.3MB. Free memory was 164.3MB in the beginning and 91.4MB in the end (delta: 72.8MB). Peak memory consumption was 95.7MB. Max. memory is 16.1GB. * TraceAbstraction took 134007.25ms. Allocated memory was 201.3MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 90.4MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 253.1MB. 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: 955842, independent: 870273, independent conditional: 868199, independent unconditional: 2074, dependent: 85569, dependent conditional: 85528, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 892887, independent: 870273, independent conditional: 868199, independent unconditional: 2074, dependent: 22614, dependent conditional: 22573, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 892887, independent: 870273, independent conditional: 868199, independent unconditional: 2074, dependent: 22614, dependent conditional: 22573, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 978419, independent: 870273, independent conditional: 868199, independent unconditional: 2074, dependent: 108146, dependent conditional: 108105, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 978419, independent: 870273, independent conditional: 8420, independent unconditional: 861853, dependent: 108146, dependent conditional: 72461, dependent unconditional: 35685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 978419, independent: 870273, independent conditional: 8420, independent unconditional: 861853, dependent: 108146, dependent conditional: 72461, dependent unconditional: 35685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2053, independent: 1806, independent conditional: 17, independent unconditional: 1789, dependent: 247, dependent conditional: 206, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2053, independent: 1720, independent conditional: 0, independent unconditional: 1720, dependent: 333, dependent conditional: 0, dependent unconditional: 333, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 333, independent: 86, independent conditional: 17, independent unconditional: 69, dependent: 247, dependent conditional: 206, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 333, independent: 86, independent conditional: 17, independent unconditional: 69, dependent: 247, dependent conditional: 206, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3673, independent: 1643, independent conditional: 369, independent unconditional: 1274, dependent: 2031, dependent conditional: 1759, dependent unconditional: 272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 978419, independent: 868467, independent conditional: 8403, independent unconditional: 860064, dependent: 107899, dependent conditional: 72255, dependent unconditional: 35644, unknown: 2053, unknown conditional: 223, unknown unconditional: 1830] , Statistics on independence cache: Total cache size (in pairs): 2053, Positive cache size: 1806, Positive conditional cache size: 17, Positive unconditional cache size: 1789, Negative cache size: 247, Negative conditional cache size: 206, Negative unconditional cache size: 41, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 895423, Maximal queried relation: 5, Independence queries for same thread: 62955, Persistent sets #1 benchmarks: Persistent set computation time: 1.9s, 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: 955842, independent: 870273, independent conditional: 868199, independent unconditional: 2074, dependent: 85569, dependent conditional: 85528, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 892887, independent: 870273, independent conditional: 868199, independent unconditional: 2074, dependent: 22614, dependent conditional: 22573, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 892887, independent: 870273, independent conditional: 868199, independent unconditional: 2074, dependent: 22614, dependent conditional: 22573, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 978419, independent: 870273, independent conditional: 868199, independent unconditional: 2074, dependent: 108146, dependent conditional: 108105, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 978419, independent: 870273, independent conditional: 8420, independent unconditional: 861853, dependent: 108146, dependent conditional: 72461, dependent unconditional: 35685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 978419, independent: 870273, independent conditional: 8420, independent unconditional: 861853, dependent: 108146, dependent conditional: 72461, dependent unconditional: 35685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2053, independent: 1806, independent conditional: 17, independent unconditional: 1789, dependent: 247, dependent conditional: 206, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2053, independent: 1720, independent conditional: 0, independent unconditional: 1720, dependent: 333, dependent conditional: 0, dependent unconditional: 333, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 333, independent: 86, independent conditional: 17, independent unconditional: 69, dependent: 247, dependent conditional: 206, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 333, independent: 86, independent conditional: 17, independent unconditional: 69, dependent: 247, dependent conditional: 206, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3673, independent: 1643, independent conditional: 369, independent unconditional: 1274, dependent: 2031, dependent conditional: 1759, dependent unconditional: 272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 978419, independent: 868467, independent conditional: 8403, independent unconditional: 860064, dependent: 107899, dependent conditional: 72255, dependent unconditional: 35644, unknown: 2053, unknown conditional: 223, unknown unconditional: 1830] , Statistics on independence cache: Total cache size (in pairs): 2053, Positive cache size: 1806, Positive conditional cache size: 17, Positive unconditional cache size: 1789, Negative cache size: 247, Negative conditional cache size: 206, Negative unconditional cache size: 41, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 895423, Maximal queried relation: 5, Independence queries for same thread: 62955 - PositiveResult [Line: 143]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 144]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - 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 - 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: 133.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 58.0s, 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: 59, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 73.6s InterpolantComputationTime, 273 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 285 ConstructedInterpolants, 0 QuantifiedInterpolants, 37117 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1112 ConjunctsInSsa, 118 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 246/390 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 06:07:12,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-09-23 06:07:12,589 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