./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/popl20-prod-cons3.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 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-prod-cons3.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/popl20-prod-cons3.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 --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 15:30:08,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 15:30:08,785 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 15:30:08,790 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 15:30:08,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 15:30:08,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 15:30:08,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 15:30:08,815 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 15:30:08,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 15:30:08,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 15:30:08,818 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 15:30:08,818 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 15:30:08,818 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 15:30:08,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 15:30:08,822 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 15:30:08,822 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 15:30:08,822 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 15:30:08,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 15:30:08,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 15:30:08,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 15:30:08,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 15:30:08,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 15:30:08,824 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 15:30:08,825 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 15:30:08,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 15:30:08,825 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 15:30:08,825 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 15:30:08,825 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 15:30:08,825 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 15:30:08,826 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 15:30:08,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 15:30:08,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 15:30:08,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 15:30:08,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 15:30:08,826 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 15:30:08,826 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 15:30:08,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 15:30:08,827 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 15:30:08,827 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 15:30:08,827 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 15:30:08,827 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 15:30:08,828 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 15:30:09,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 15:30:09,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 15:30:09,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 15:30:09,124 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 15:30:09,125 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 15:30:09,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-local/popl20-prod-cons3.wvr.yml/witness.yml [2024-09-08 15:30:09,373 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 15:30:09,374 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 15:30:09,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2024-09-08 15:30:10,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 15:30:10,854 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 15:30:10,854 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2024-09-08 15:30:10,863 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0f2c98d93/f2a60e8365084bb689c5a7f7bb921c6d/FLAGf3e6d6ddc [2024-09-08 15:30:10,878 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0f2c98d93/f2a60e8365084bb689c5a7f7bb921c6d [2024-09-08 15:30:10,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 15:30:10,879 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 15:30:10,881 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 15:30:10,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 15:30:10,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 15:30:10,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 03:30:09" (1/2) ... [2024-09-08 15:30:10,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a129ceb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 03:30:10, skipping insertion in model container [2024-09-08 15:30:10,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 03:30:09" (1/2) ... [2024-09-08 15:30:10,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@13467f46 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 03:30:10, skipping insertion in model container [2024-09-08 15:30:10,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 03:30:10" (2/2) ... [2024-09-08 15:30:10,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a129ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:30:10, skipping insertion in model container [2024-09-08 15:30:10,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 03:30:10" (2/2) ... [2024-09-08 15:30:10,977 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 15:30:10,978 INFO L1541 ArrayList]: Location invariant before [L68-L68] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:30:10,978 INFO L1541 ArrayList]: Location invariant before [L85-L85] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:30:10,978 INFO L1541 ArrayList]: Location invariant before [L99-L99] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:30:10,979 INFO L1541 ArrayList]: Location invariant before [L77-L77] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:30:10,979 INFO L1541 ArrayList]: Location invariant before [L116-L116] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:30:10,979 INFO L1541 ArrayList]: Location invariant before [L72-L72] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:30:10,979 INFO L1541 ArrayList]: Location invariant before [L107-L107] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:30:10,980 INFO L1541 ArrayList]: Location invariant before [L95-L95] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:30:10,980 INFO L1541 ArrayList]: Location invariant before [L104-L104] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:30:10,980 INFO L1541 ArrayList]: Location invariant before [L56-L56] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:30:10,981 INFO L1541 ArrayList]: Location invariant before [L82-L82] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:30:10,981 INFO L1541 ArrayList]: Location invariant before [L50-L50] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:30:11,002 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 15:30:11,159 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c[4059,4072] [2024-09-08 15:30:11,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 15:30:11,173 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 15:30:11,390 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c[4059,4072] [2024-09-08 15:30:11,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 15:30:11,405 INFO L204 MainTranslator]: Completed translation [2024-09-08 15:30:11,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:30:11 WrapperNode [2024-09-08 15:30:11,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 15:30:11,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 15:30:11,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 15:30:11,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 15:30:11,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:30:11" (1/1) ... [2024-09-08 15:30:11,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:30:11" (1/1) ... [2024-09-08 15:30:11,474 INFO L138 Inliner]: procedures = 25, calls = 53, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 278 [2024-09-08 15:30:11,475 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 15:30:11,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 15:30:11,475 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 15:30:11,475 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 15:30:11,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:30:11" (1/1) ... [2024-09-08 15:30:11,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:30:11" (1/1) ... [2024-09-08 15:30:11,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:30:11" (1/1) ... [2024-09-08 15:30:11,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:30:11" (1/1) ... [2024-09-08 15:30:11,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:30:11" (1/1) ... [2024-09-08 15:30:11,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:30:11" (1/1) ... [2024-09-08 15:30:11,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:30:11" (1/1) ... [2024-09-08 15:30:11,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:30:11" (1/1) ... [2024-09-08 15:30:11,523 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 15:30:11,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 15:30:11,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 15:30:11,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 15:30:11,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:30:11" (1/1) ... [2024-09-08 15:30:11,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 15:30:11,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:30:11,574 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) [2024-09-08 15:30:11,578 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 [2024-09-08 15:30:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 15:30:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 15:30:11,619 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 15:30:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 15:30:11,619 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 15:30:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-08 15:30:11,619 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-08 15:30:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-09-08 15:30:11,619 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-09-08 15:30:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 15:30:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-08 15:30:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 15:30:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 15:30:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-08 15:30:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 15:30:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 15:30:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-08 15:30:11,623 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 15:30:11,727 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 15:30:11,729 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 15:30:12,397 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 15:30:12,398 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 15:30:12,815 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 15:30:12,815 INFO L318 CfgBuilder]: Removed 5 assume(true) statements. [2024-09-08 15:30:12,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 03:30:12 BoogieIcfgContainer [2024-09-08 15:30:12,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 15:30:12,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 15:30:12,819 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 15:30:12,821 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 15:30:12,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 03:30:09" (1/4) ... [2024-09-08 15:30:12,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a17db25 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 03:30:12, skipping insertion in model container [2024-09-08 15:30:12,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 03:30:10" (2/4) ... [2024-09-08 15:30:12,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a17db25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 03:30:12, skipping insertion in model container [2024-09-08 15:30:12,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:30:11" (3/4) ... [2024-09-08 15:30:12,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a17db25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 03:30:12, skipping insertion in model container [2024-09-08 15:30:12,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 03:30:12" (4/4) ... [2024-09-08 15:30:12,827 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons3.wvr.c [2024-09-08 15:30:12,841 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 15:30:12,841 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2024-09-08 15:30:12,841 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 15:30:12,957 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-09-08 15:30:13,015 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 15:30:13,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 15:30:13,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:30:13,018 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) [2024-09-08 15:30:13,021 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 [2024-09-08 15:30:13,053 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 15:30:13,062 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork3 ======== [2024-09-08 15:30:13,070 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;@14795ede, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 15:30:13,070 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-08 15:30:13,406 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 15:30:13,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:30:13,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1511779610, now seen corresponding path program 1 times [2024-09-08 15:30:13,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:30:13,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832298821] [2024-09-08 15:30:13,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:30:13,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:30:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:30:15,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:30:15,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:30:15,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832298821] [2024-09-08 15:30:15,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832298821] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:30:15,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 15:30:15,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 15:30:15,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296200060] [2024-09-08 15:30:15,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:30:15,267 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 15:30:15,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:30:15,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 15:30:15,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-08 15:30:15,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:30:15,290 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:30:15,291 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-09-08 15:30:15,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:30:15,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:30:15,385 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 15:30:15,385 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 15:30:15,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:30:15,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1507783927, now seen corresponding path program 1 times [2024-09-08 15:30:15,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:30:15,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661254041] [2024-09-08 15:30:15,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:30:15,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:30:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:30:16,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:30:16,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:30:16,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661254041] [2024-09-08 15:30:16,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661254041] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:30:16,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796138517] [2024-09-08 15:30:16,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:30:16,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:30:16,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:30:16,594 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) [2024-09-08 15:30:16,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-08 15:30:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:30:16,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-09-08 15:30:16,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:30:17,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:30:17,167 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:30:21,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:30:21,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796138517] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 15:30:21,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 15:30:21,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-09-08 15:30:21,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977385735] [2024-09-08 15:30:21,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 15:30:21,181 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-08 15:30:21,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:30:21,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-08 15:30:21,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-09-08 15:30:21,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:30:21,182 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:30:21,183 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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) [2024-09-08 15:30:21,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:30:21,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:30:21,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:30:21,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 15:30:21,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-08 15:30:22,146 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 [2024-09-08 15:30:22,146 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 15:30:22,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:30:22,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1232241574, now seen corresponding path program 2 times [2024-09-08 15:30:22,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:30:22,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291060347] [2024-09-08 15:30:22,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:30:22,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:30:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:30:23,384 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:30:23,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:30:23,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291060347] [2024-09-08 15:30:23,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291060347] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:30:23,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036688003] [2024-09-08 15:30:23,385 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 15:30:23,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:30:23,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:30:23,387 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) [2024-09-08 15:30:23,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-08 15:30:23,468 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 15:30:23,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 15:30:23,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-09-08 15:30:23,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:30:24,002 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 15:30:24,003 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 15:30:24,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036688003] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:30:24,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 15:30:24,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-09-08 15:30:24,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091909348] [2024-09-08 15:30:24,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:30:24,004 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 15:30:24,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:30:24,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 15:30:24,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-09-08 15:30:24,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:30:24,005 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:30:24,005 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 15:30:24,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:30:24,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 15:30:24,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:30:24,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:30:24,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 15:30:24,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:30:24,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-09-08 15:30:24,274 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 [2024-09-08 15:30:24,274 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 15:30:24,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:30:24,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1831938966, now seen corresponding path program 1 times [2024-09-08 15:30:24,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:30:24,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761345985] [2024-09-08 15:30:24,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:30:24,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:30:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:30:25,527 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:30:25,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:30:25,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761345985] [2024-09-08 15:30:25,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761345985] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:30:25,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024784891] [2024-09-08 15:30:25,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:30:25,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:30:25,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:30:25,530 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) [2024-09-08 15:30:25,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-08 15:30:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:30:25,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-09-08 15:30:25,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:30:26,096 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:30:26,097 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:30:33,122 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:30:33,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024784891] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 15:30:33,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 15:30:33,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 23 [2024-09-08 15:30:33,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209485995] [2024-09-08 15:30:33,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 15:30:33,123 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-09-08 15:30:33,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:30:33,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-09-08 15:30:33,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2024-09-08 15:30:33,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:30:33,124 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:30:33,125 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.8333333333333333) internal successors, (44), 23 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 15:30:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:30:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 15:30:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:30:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:30:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:30:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 15:30:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:30:42,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 15:30:42,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-08 15:30:42,368 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 [2024-09-08 15:30:42,369 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 15:30:42,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:30:42,369 INFO L85 PathProgramCache]: Analyzing trace with hash -989381450, now seen corresponding path program 2 times [2024-09-08 15:30:42,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:30:42,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335285253] [2024-09-08 15:30:42,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:30:42,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:30:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:30:44,146 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:30:44,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:30:44,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335285253] [2024-09-08 15:30:44,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335285253] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:30:44,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541716038] [2024-09-08 15:30:44,147 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 15:30:44,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:30:44,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:30:44,151 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) [2024-09-08 15:30:44,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-08 15:30:44,262 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 15:30:44,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 15:30:44,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-09-08 15:30:44,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:30:44,897 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-09-08 15:30:44,897 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 15:30:44,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541716038] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:30:44,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 15:30:44,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 18 [2024-09-08 15:30:44,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618579406] [2024-09-08 15:30:44,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:30:44,898 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 15:30:44,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:30:44,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 15:30:44,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2024-09-08 15:30:44,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:30:44,899 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:30:44,899 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-09-08 15:30:44,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:30:44,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 15:30:44,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:30:44,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 15:30:44,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:30:52,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:30:52,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 15:30:52,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:30:52,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 15:30:52,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:30:52,618 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 1 remaining) [2024-09-08 15:30:52,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-08 15:30:52,822 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 [2024-09-08 15:30:52,829 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 1] [2024-09-08 15:30:52,832 INFO L312 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork3 was SAFE (1/5) [2024-09-08 15:30:52,835 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 15:30:52,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 15:30:52,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:30:52,837 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 15:30:52,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2024-09-08 15:30:52,843 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 15:30:52,845 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork0 ======== [2024-09-08 15:30:52,845 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;@14795ede, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 15:30:52,845 INFO L337 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-09-08 15:30:52,928 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-09-08 15:30:52,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:30:52,929 INFO L85 PathProgramCache]: Analyzing trace with hash -2052769524, now seen corresponding path program 1 times [2024-09-08 15:30:52,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:30:52,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585584141] [2024-09-08 15:30:52,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:30:52,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:30:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:30:53,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:30:53,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:30:53,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585584141] [2024-09-08 15:30:53,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585584141] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:30:53,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 15:30:53,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 15:30:53,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099078947] [2024-09-08 15:30:53,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:30:53,556 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 15:30:53,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:30:53,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 15:30:53,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-08 15:30:53,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:30:53,557 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:30:53,557 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) [2024-09-08 15:30:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:30:53,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:30:53,615 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-08 15:30:53,615 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-09-08 15:30:53,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:30:53,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1925737961, now seen corresponding path program 1 times [2024-09-08 15:30:53,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:30:53,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477021384] [2024-09-08 15:30:53,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:30:53,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:30:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:30:54,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:30:54,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:30:54,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477021384] [2024-09-08 15:30:54,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477021384] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:30:54,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720892893] [2024-09-08 15:30:54,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:30:54,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:30:54,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:30:54,344 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 15:30:54,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-08 15:30:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:30:54,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-09-08 15:30:54,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:30:54,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:30:54,575 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:30:57,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:30:57,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720892893] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 15:30:57,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 15:30:57,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-09-08 15:30:57,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221976652] [2024-09-08 15:30:57,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 15:30:57,968 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-08 15:30:57,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:30:57,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-08 15:30:57,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-09-08 15:30:57,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:30:57,968 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:30:57,969 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 states have internal predecessors, (24), 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) [2024-09-08 15:30:57,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:30:57,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:30:58,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:30:58,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 15:30:58,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-08 15:30:58,746 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-09-08 15:30:58,747 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-09-08 15:30:58,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:30:58,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1329203276, now seen corresponding path program 2 times [2024-09-08 15:30:58,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:30:58,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020510840] [2024-09-08 15:30:58,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:30:58,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:30:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:30:59,642 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:30:59,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:30:59,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020510840] [2024-09-08 15:30:59,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020510840] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:30:59,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124872715] [2024-09-08 15:30:59,643 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 15:30:59,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:30:59,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:30:59,645 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 15:30:59,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-08 15:30:59,711 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 15:30:59,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 15:30:59,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-09-08 15:30:59,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:30:59,919 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 15:30:59,919 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 15:30:59,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124872715] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:30:59,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 15:30:59,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 10 [2024-09-08 15:30:59,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998060410] [2024-09-08 15:30:59,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:30:59,920 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 15:30:59,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:30:59,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 15:30:59,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-09-08 15:30:59,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:30:59,921 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:30:59,921 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 15:30:59,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:30:59,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 15:30:59,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:30:59,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:30:59,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 15:30:59,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:30:59,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-09-08 15:31:00,175 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:31:00,176 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-09-08 15:31:00,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:31:00,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1135522696, now seen corresponding path program 1 times [2024-09-08 15:31:00,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:31:00,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064587661] [2024-09-08 15:31:00,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:31:00,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:31:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:31:01,263 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:31:01,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:31:01,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064587661] [2024-09-08 15:31:01,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064587661] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:31:01,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84543086] [2024-09-08 15:31:01,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:31:01,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:31:01,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:31:01,266 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 15:31:01,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-08 15:31:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:31:01,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-09-08 15:31:01,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:31:01,685 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:31:01,686 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:31:08,247 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:31:08,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84543086] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 15:31:08,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 15:31:08,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-09-08 15:31:08,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392927695] [2024-09-08 15:31:08,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 15:31:08,250 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-09-08 15:31:08,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:31:08,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-09-08 15:31:08,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2024-09-08 15:31:08,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:08,251 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:31:08,251 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 15:31:08,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:08,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 15:31:08,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:08,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:17,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:17,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 15:31:17,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:17,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 15:31:17,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-09-08 15:31:17,557 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:31:17,558 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-09-08 15:31:17,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:31:17,558 INFO L85 PathProgramCache]: Analyzing trace with hash 314041512, now seen corresponding path program 2 times [2024-09-08 15:31:17,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:31:17,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132964210] [2024-09-08 15:31:17,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:31:17,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:31:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:31:19,019 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:31:19,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:31:19,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132964210] [2024-09-08 15:31:19,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132964210] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:31:19,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250922907] [2024-09-08 15:31:19,020 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 15:31:19,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:31:19,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:31:19,021 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 15:31:19,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-08 15:31:19,102 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 15:31:19,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 15:31:19,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-09-08 15:31:19,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:31:19,503 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-09-08 15:31:19,503 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 15:31:19,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250922907] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:31:19,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 15:31:19,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 17 [2024-09-08 15:31:19,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226790192] [2024-09-08 15:31:19,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:31:19,505 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 15:31:19,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:31:19,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 15:31:19,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2024-09-08 15:31:19,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:19,506 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:31:19,506 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) [2024-09-08 15:31:19,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:19,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 15:31:19,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:19,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 15:31:19,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:28,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:28,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 15:31:28,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:28,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 15:31:28,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:28,140 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining) [2024-09-08 15:31:28,140 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-09-08 15:31:28,140 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 5 remaining) [2024-09-08 15:31:28,140 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 5 remaining) [2024-09-08 15:31:28,140 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 5 remaining) [2024-09-08 15:31:28,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-09-08 15:31:28,344 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-09-08 15:31:28,347 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 1] [2024-09-08 15:31:28,347 INFO L312 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE (2/5) [2024-09-08 15:31:28,348 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 15:31:28,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 15:31:28,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:31:28,350 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 15:31:28,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Waiting until timeout for monitored process [2024-09-08 15:31:28,354 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 15:31:28,354 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 15:31:28,354 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;@14795ede, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 15:31:28,354 INFO L337 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-09-08 15:31:29,842 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 15:31:29,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:31:29,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1676734278, now seen corresponding path program 1 times [2024-09-08 15:31:29,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:31:29,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769240215] [2024-09-08 15:31:29,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:31:29,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:31:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:31:29,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:31:29,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:31:29,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769240215] [2024-09-08 15:31:29,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769240215] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:31:29,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 15:31:29,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 15:31:29,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695878765] [2024-09-08 15:31:29,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:31:29,931 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 15:31:29,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:31:29,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 15:31:29,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 15:31:29,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:29,932 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:31:29,932 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 15:31:29,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:30,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:31:30,200 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-08 15:31:30,200 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 15:31:30,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:31:30,200 INFO L85 PathProgramCache]: Analyzing trace with hash -678138516, now seen corresponding path program 1 times [2024-09-08 15:31:30,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:31:30,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555225058] [2024-09-08 15:31:30,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:31:30,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:31:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:31:30,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:31:30,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:31:30,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555225058] [2024-09-08 15:31:30,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555225058] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:31:30,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 15:31:30,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 15:31:30,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006286410] [2024-09-08 15:31:30,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:31:30,467 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 15:31:30,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:31:30,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 15:31:30,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-08 15:31:30,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:30,467 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:31:30,467 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-09-08 15:31:30,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:31:30,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:30,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:31:30,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:30,987 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-09-08 15:31:30,987 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 15:31:30,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:31:30,987 INFO L85 PathProgramCache]: Analyzing trace with hash -2001201324, now seen corresponding path program 1 times [2024-09-08 15:31:30,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:31:30,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616310874] [2024-09-08 15:31:30,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:31:30,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:31:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:31:31,223 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-09-08 15:31:31,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:31:31,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616310874] [2024-09-08 15:31:31,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616310874] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:31:31,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 15:31:31,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 15:31:31,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932112359] [2024-09-08 15:31:31,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:31:31,225 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 15:31:31,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:31:31,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 15:31:31,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 15:31:31,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:31,227 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:31:31,227 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 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) [2024-09-08 15:31:31,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:31:31,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:31,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:31,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:31:31,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:31,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:31,452 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-09-08 15:31:31,452 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 15:31:31,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:31:31,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1881030423, now seen corresponding path program 1 times [2024-09-08 15:31:31,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:31:31,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256401198] [2024-09-08 15:31:31,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:31:31,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:31:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:31:31,741 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-08 15:31:31,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:31:31,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256401198] [2024-09-08 15:31:31,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256401198] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:31:31,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 15:31:31,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 15:31:31,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142615687] [2024-09-08 15:31:31,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:31:31,742 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 15:31:31,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:31:31,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 15:31:31,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 15:31:31,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:31,744 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:31:31,744 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-09-08 15:31:31,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:31:31,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:31,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:31,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:31,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:31:31,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:31,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:31,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:31,970 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-09-08 15:31:31,970 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 15:31:31,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:31:31,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1963370933, now seen corresponding path program 1 times [2024-09-08 15:31:31,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:31:31,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240286032] [2024-09-08 15:31:31,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:31:31,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:31:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:31:32,283 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 15:31:32,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:31:32,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240286032] [2024-09-08 15:31:32,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240286032] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:31:32,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245334952] [2024-09-08 15:31:32,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:31:32,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:31:32,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:31:32,287 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 15:31:32,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-09-08 15:31:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:31:32,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 1675 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-08 15:31:32,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:31:32,589 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 15:31:32,589 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:31:32,708 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 15:31:32,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245334952] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 15:31:32,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 15:31:32,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-09-08 15:31:32,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012665499] [2024-09-08 15:31:32,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 15:31:32,709 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-08 15:31:32,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:31:32,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-08 15:31:32,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-09-08 15:31:32,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:32,710 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:31:32,710 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.692307692307692) internal successors, (113), 13 states have internal predecessors, (113), 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) [2024-09-08 15:31:32,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:31:32,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:32,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:32,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:32,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:33,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:31:33,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:33,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:33,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:33,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 15:31:33,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-09-08 15:31:33,331 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-09-08 15:31:33,332 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 15:31:33,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:31:33,332 INFO L85 PathProgramCache]: Analyzing trace with hash 907587636, now seen corresponding path program 2 times [2024-09-08 15:31:33,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:31:33,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791386722] [2024-09-08 15:31:33,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:31:33,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:31:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:31:33,565 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-09-08 15:31:33,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:31:33,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791386722] [2024-09-08 15:31:33,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791386722] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:31:33,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 15:31:33,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 15:31:33,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220193853] [2024-09-08 15:31:33,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:31:33,567 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 15:31:33,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:31:33,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 15:31:33,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-08 15:31:33,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:33,568 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:31:33,568 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-09-08 15:31:33,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:31:33,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:33,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:33,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:33,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 15:31:33,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:34,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:31:34,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:34,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:34,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:34,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 15:31:34,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:34,181 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-09-08 15:31:34,181 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 15:31:34,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:31:34,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1373065150, now seen corresponding path program 3 times [2024-09-08 15:31:34,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:31:34,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858625100] [2024-09-08 15:31:34,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:31:34,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:31:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:31:34,528 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-08 15:31:34,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:31:34,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858625100] [2024-09-08 15:31:34,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858625100] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:31:34,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774251307] [2024-09-08 15:31:34,529 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 15:31:34,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:31:34,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:31:34,531 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 15:31:34,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-09-08 15:31:34,651 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-09-08 15:31:34,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 15:31:34,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-08 15:31:34,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:31:34,736 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-09-08 15:31:34,736 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 15:31:34,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774251307] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:31:34,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 15:31:34,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-09-08 15:31:34,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676135050] [2024-09-08 15:31:34,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:31:34,737 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 15:31:34,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:31:34,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 15:31:34,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-09-08 15:31:34,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:34,737 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:31:34,738 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 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) [2024-09-08 15:31:34,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:31:34,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:34,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:34,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:34,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 15:31:34,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:34,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:31:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 15:31:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:35,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:35,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-09-08 15:31:35,928 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-09-08 15:31:35,928 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 15:31:35,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:31:35,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1427604718, now seen corresponding path program 4 times [2024-09-08 15:31:35,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:31:35,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888402636] [2024-09-08 15:31:35,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:31:35,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:31:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:31:36,253 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 15:31:36,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:31:36,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888402636] [2024-09-08 15:31:36,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888402636] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:31:36,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 15:31:36,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 15:31:36,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482192950] [2024-09-08 15:31:36,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:31:36,254 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 15:31:36,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:31:36,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 15:31:36,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-08 15:31:36,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:36,255 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:31:36,255 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 15:31:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:31:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 15:31:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:36,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:31:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 15:31:37,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:37,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:37,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:37,091 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-09-08 15:31:37,091 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 15:31:37,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:31:37,091 INFO L85 PathProgramCache]: Analyzing trace with hash 28910226, now seen corresponding path program 5 times [2024-09-08 15:31:37,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:31:37,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912570258] [2024-09-08 15:31:37,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:31:37,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:31:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:31:40,356 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:31:40,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:31:40,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912570258] [2024-09-08 15:31:40,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912570258] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:31:40,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225825101] [2024-09-08 15:31:40,357 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-08 15:31:40,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:31:40,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:31:40,359 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 15:31:40,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-09-08 15:31:40,609 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-09-08 15:31:40,610 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 15:31:40,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 2113 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-09-08 15:31:40,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:31:41,105 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 15:31:41,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 30 [2024-09-08 15:31:41,418 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-08 15:31:41,418 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:31:42,036 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 15:31:42,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 111 [2024-09-08 15:31:42,429 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-08 15:31:42,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225825101] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 15:31:42,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 15:31:42,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 16, 15] total 52 [2024-09-08 15:31:42,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452405304] [2024-09-08 15:31:42,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 15:31:42,430 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-09-08 15:31:42,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:31:42,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-09-08 15:31:42,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=2451, Unknown=0, NotChecked=0, Total=2756 [2024-09-08 15:31:42,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:42,432 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:31:42,432 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 3.4716981132075473) internal successors, (184), 52 states have internal predecessors, (184), 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) [2024-09-08 15:31:42,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:31:42,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:42,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:42,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:42,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 15:31:42,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:42,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:31:42,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:31:42,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:31:46,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-09-08 15:31:49,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-09-08 15:31:59,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-09-08 15:32:14,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:32:14,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:32:14,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:14,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:14,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 15:32:14,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:14,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:32:14,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:14,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-09-08 15:32:14,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-09-08 15:32:14,572 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:32:14,573 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 15:32:14,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:32:14,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1679958871, now seen corresponding path program 6 times [2024-09-08 15:32:14,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:32:14,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386335662] [2024-09-08 15:32:14,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:32:14,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:32:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:32:15,181 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 56 proven. 19 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-08 15:32:15,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:32:15,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386335662] [2024-09-08 15:32:15,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386335662] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:32:15,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893016758] [2024-09-08 15:32:15,182 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-08 15:32:15,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:32:15,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:32:15,184 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 15:32:15,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-09-08 15:32:15,513 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-09-08 15:32:15,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 15:32:15,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 2363 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-08 15:32:15,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:32:15,653 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-09-08 15:32:15,653 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:32:15,705 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-09-08 15:32:15,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893016758] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-08 15:32:15,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-09-08 15:32:15,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8, 4] total 11 [2024-09-08 15:32:15,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493456566] [2024-09-08 15:32:15,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:32:15,706 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 15:32:15,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:32:15,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 15:32:15,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-09-08 15:32:15,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:32:15,706 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:32:15,706 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2024-09-08 15:32:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:32:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:32:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 15:32:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:32:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-09-08 15:32:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:32:16,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:32:16,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:32:16,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:16,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:16,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 15:32:16,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:16,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:32:16,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:16,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-09-08 15:32:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:16,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-09-08 15:32:17,121 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:32:17,122 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 15:32:17,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:32:17,122 INFO L85 PathProgramCache]: Analyzing trace with hash -830423327, now seen corresponding path program 7 times [2024-09-08 15:32:17,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:32:17,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201551539] [2024-09-08 15:32:17,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:32:17,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:32:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:32:17,757 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 19 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-09-08 15:32:17,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:32:17,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201551539] [2024-09-08 15:32:17,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201551539] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:32:17,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555389772] [2024-09-08 15:32:17,758 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-08 15:32:17,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:32:17,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:32:17,760 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 15:32:17,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-09-08 15:32:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:32:18,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 2876 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-08 15:32:18,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:32:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 56 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-09-08 15:32:18,212 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:32:18,354 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 26 proven. 33 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-09-08 15:32:18,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555389772] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 15:32:18,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 15:32:18,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-09-08 15:32:18,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618589858] [2024-09-08 15:32:18,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 15:32:18,355 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-09-08 15:32:18,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:32:18,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-09-08 15:32:18,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2024-09-08 15:32:18,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:32:18,356 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:32:18,356 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.11111111111111) internal successors, (146), 18 states have internal predecessors, (146), 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) [2024-09-08 15:32:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:32:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:32:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 15:32:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:32:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-09-08 15:32:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:32:19,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:32:19,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:32:19,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:19,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:19,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 15:32:19,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:19,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:32:19,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:19,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-09-08 15:32:19,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:19,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 15:32:19,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-09-08 15:32:19,772 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-09-08 15:32:19,773 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 15:32:19,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:32:19,773 INFO L85 PathProgramCache]: Analyzing trace with hash -16618173, now seen corresponding path program 8 times [2024-09-08 15:32:19,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:32:19,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842309567] [2024-09-08 15:32:19,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:32:19,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:32:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:32:25,807 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:32:25,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:32:25,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842309567] [2024-09-08 15:32:25,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842309567] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:32:25,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696989796] [2024-09-08 15:32:25,808 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 15:32:25,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:32:25,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:32:25,810 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 15:32:25,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-09-08 15:32:26,108 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 15:32:26,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 15:32:26,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 2885 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-09-08 15:32:26,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:32:27,750 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 15:32:27,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 102 [2024-09-08 15:32:28,271 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 1 proven. 67 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 15:32:28,272 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:32:29,915 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 15:32:29,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 97 treesize of output 413 [2024-09-08 15:32:57,464 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 3 proven. 60 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-08 15:32:57,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696989796] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 15:32:57,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 15:32:57,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 28, 26] total 84 [2024-09-08 15:32:57,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46548677] [2024-09-08 15:32:57,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 15:32:57,466 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-09-08 15:32:57,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:32:57,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-09-08 15:32:57,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=662, Invalid=6478, Unknown=0, NotChecked=0, Total=7140 [2024-09-08 15:32:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:32:57,472 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:32:57,472 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.7411764705882353) internal successors, (233), 84 states have internal predecessors, (233), 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) [2024-09-08 15:32:57,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:32:57,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:32:57,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:57,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:57,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 15:32:57,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:57,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:32:57,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:57,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-09-08 15:32:57,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:32:57,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 15:32:57,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:33:20,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:33:20,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:33:20,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:33:20,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:33:20,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 15:33:20,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:33:20,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:33:20,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:33:20,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-09-08 15:33:20,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:33:20,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 15:33:20,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-09-08 15:33:20,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-09-08 15:33:20,326 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:33:20,326 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 15:33:20,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:33:20,327 INFO L85 PathProgramCache]: Analyzing trace with hash -235390267, now seen corresponding path program 1 times [2024-09-08 15:33:20,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:33:20,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66257974] [2024-09-08 15:33:20,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:33:20,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:33:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:33:32,668 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:33:32,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:33:32,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66257974] [2024-09-08 15:33:32,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66257974] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:33:32,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644056605] [2024-09-08 15:33:32,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:33:32,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:33:32,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:33:32,670 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 15:33:32,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-09-08 15:33:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:33:32,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 2819 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-09-08 15:33:32,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:33:34,260 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 15:33:34,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 102 [2024-09-08 15:33:34,537 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-08 15:33:34,537 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:33:35,869 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 15:33:35,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 97 treesize of output 413 [2024-09-08 15:34:03,286 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-09-08 15:34:03,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644056605] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 15:34:03,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 15:34:03,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 19, 16] total 65 [2024-09-08 15:34:03,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559897973] [2024-09-08 15:34:03,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 15:34:03,287 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-09-08 15:34:03,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:34:03,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-09-08 15:34:03,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=4066, Unknown=0, NotChecked=0, Total=4290 [2024-09-08 15:34:03,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:34:03,288 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:34:03,288 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 3.409090909090909) internal successors, (225), 65 states have internal predecessors, (225), 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) [2024-09-08 15:34:03,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:34:03,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:34:03,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:34:03,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:34:03,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 15:34:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:34:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:34:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:34:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-09-08 15:34:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:34:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 15:34:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2024-09-08 15:34:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:34:11,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 15:34:13,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 15:34:20,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 15:34:22,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 15:34:24,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 15:34:32,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 15:34:38,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 15:34:42,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 15:34:49,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 15:34:55,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 15:34:58,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 15:35:00,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 15:35:17,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 15:35:19,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 15:35:22,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 15:35:24,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 15:35:26,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 15:35:30,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 15:35:33,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 15:35:38,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 15:35:43,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:35:43,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:35:43,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:35:43,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:35:43,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 15:35:43,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:35:43,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:35:43,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:35:43,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-09-08 15:35:43,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:35:43,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 15:35:43,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-09-08 15:35:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-09-08 15:35:43,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-09-08 15:35:43,762 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-09-08 15:35:43,763 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 15:35:43,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:35:43,763 INFO L85 PathProgramCache]: Analyzing trace with hash -872436891, now seen corresponding path program 9 times [2024-09-08 15:35:43,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:35:43,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701805827] [2024-09-08 15:35:43,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:35:43,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:35:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:35:44,872 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 132 proven. 42 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-09-08 15:35:44,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:35:44,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701805827] [2024-09-08 15:35:44,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701805827] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:35:44,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657775330] [2024-09-08 15:35:44,873 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 15:35:44,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:35:44,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:35:44,877 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 15:35:44,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-09-08 15:35:45,614 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-09-08 15:35:45,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 15:35:45,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 4420 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-08 15:35:45,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:35:45,970 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 164 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-09-08 15:35:45,970 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:35:46,386 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 90 proven. 84 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-09-08 15:35:46,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657775330] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 15:35:46,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 15:35:46,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 30 [2024-09-08 15:35:46,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353104152] [2024-09-08 15:35:46,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 15:35:46,387 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-09-08 15:35:46,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:35:46,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-09-08 15:35:46,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=660, Unknown=0, NotChecked=0, Total=870 [2024-09-08 15:35:46,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:35:46,387 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:35:46,388 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.866666666666666) internal successors, (236), 30 states have internal predecessors, (236), 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) [2024-09-08 15:35:46,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:35:46,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:35:46,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:35:46,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:35:46,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 15:35:46,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:35:46,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:35:46,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:35:46,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-09-08 15:35:46,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:35:46,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 15:35:46,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2024-09-08 15:35:46,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-09-08 15:35:46,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:35:49,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:35:49,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:35:49,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:35:49,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:35:49,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 15:35:49,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:35:49,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:35:49,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:35:49,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-09-08 15:35:49,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:35:49,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 15:35:49,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-09-08 15:35:49,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-09-08 15:35:49,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 15:35:49,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-09-08 15:35:49,394 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:35:49,395 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-08 15:35:49,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:35:49,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1121586567, now seen corresponding path program 10 times [2024-09-08 15:35:49,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:35:49,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774354139] [2024-09-08 15:35:49,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:35:49,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:35:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:36:04,995 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 14 proven. 181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:36:04,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:36:04,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774354139] [2024-09-08 15:36:04,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774354139] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:36:04,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966408880] [2024-09-08 15:36:04,995 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-08 15:36:04,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:36:04,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:36:04,997 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 15:36:04,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-09-08 15:36:05,463 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-08 15:36:05,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 15:36:05,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 4429 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-09-08 15:36:05,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:36:08,708 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 15:36:08,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 139 treesize of output 366 [2024-09-08 15:36:09,529 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 3 proven. 188 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-08 15:36:09,529 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:36:19,268 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 15:36:19,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 189 treesize of output 1617 [2024-09-08 15:40:47,071 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-09-08 15:40:47,072 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-09-08 15:40:47,076 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 101 [2024-09-08 15:40:47,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-09-08 15:40:47,272 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-09-08 15:40:47,273 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:287) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:519) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:503) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:609) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:341) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:410) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:327) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:307) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 69 more [2024-09-08 15:40:47,277 INFO L158 Benchmark]: Toolchain (without parser) took 636397.89ms. Allocated memory was 159.4MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 104.6MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2024-09-08 15:40:47,277 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 113.2MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 15:40:47,277 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 159.4MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 15:40:47,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.95ms. Allocated memory is still 159.4MB. Free memory was 104.0MB in the beginning and 108.7MB in the end (delta: -4.8MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2024-09-08 15:40:47,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.67ms. Allocated memory is still 159.4MB. Free memory was 108.7MB in the beginning and 101.5MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-08 15:40:47,278 INFO L158 Benchmark]: Boogie Preprocessor took 50.87ms. Allocated memory is still 159.4MB. Free memory was 101.5MB in the beginning and 98.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-08 15:40:47,278 INFO L158 Benchmark]: RCFGBuilder took 1290.01ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 98.3MB in the beginning and 69.7MB in the end (delta: 28.5MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2024-09-08 15:40:47,278 INFO L158 Benchmark]: TraceAbstraction took 634458.53ms. Allocated memory was 197.1MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 68.7MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2024-09-08 15:40:47,279 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.13ms. Allocated memory is still 113.2MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 159.4MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.95ms. Allocated memory is still 159.4MB. Free memory was 104.0MB in the beginning and 108.7MB in the end (delta: -4.8MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.67ms. Allocated memory is still 159.4MB. Free memory was 108.7MB in the beginning and 101.5MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.87ms. Allocated memory is still 159.4MB. Free memory was 101.5MB in the beginning and 98.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1290.01ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 98.3MB in the beginning and 69.7MB in the end (delta: 28.5MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. * TraceAbstraction took 634458.53ms. Allocated memory was 197.1MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 68.7MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 2.0GB. 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: 106768, independent: 93974, independent conditional: 91373, independent unconditional: 2601, dependent: 12794, dependent conditional: 12774, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 96006, independent: 93974, independent conditional: 91373, independent unconditional: 2601, dependent: 2032, dependent conditional: 2012, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 96006, independent: 93974, independent conditional: 91373, independent unconditional: 2601, dependent: 2032, dependent conditional: 2012, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 100364, independent: 93974, independent conditional: 91373, independent unconditional: 2601, dependent: 6390, dependent conditional: 6370, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 100364, independent: 93974, independent conditional: 0, independent unconditional: 93974, dependent: 6390, dependent conditional: 4358, dependent unconditional: 2032, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 100364, independent: 93974, independent conditional: 0, independent unconditional: 93974, dependent: 6390, dependent conditional: 4358, dependent unconditional: 2032, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2091, independent: 2039, independent conditional: 0, independent unconditional: 2039, dependent: 52, dependent conditional: 32, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2091, independent: 1920, independent conditional: 0, independent unconditional: 1920, dependent: 171, dependent conditional: 0, dependent unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 171, independent: 119, independent conditional: 0, independent unconditional: 119, dependent: 52, dependent conditional: 32, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 171, independent: 119, independent conditional: 0, independent unconditional: 119, dependent: 52, dependent conditional: 32, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1829, independent: 1262, independent conditional: 0, independent unconditional: 1262, dependent: 567, dependent conditional: 387, dependent unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 100364, independent: 91935, independent conditional: 0, independent unconditional: 91935, dependent: 6338, dependent conditional: 4326, dependent unconditional: 2012, unknown: 2091, unknown conditional: 32, unknown unconditional: 2059] , Statistics on independence cache: Total cache size (in pairs): 2091, Positive cache size: 2039, Positive conditional cache size: 0, Positive unconditional cache size: 2039, Negative cache size: 52, Negative conditional cache size: 32, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 93385, Maximal queried relation: 5, Independence queries for same thread: 10762, Persistent sets #1 benchmarks: Persistent set computation time: 1.6s, Number of persistent set computation: 2035, Number of trivial persistent sets: 1815, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2621, independent: 2601, independent conditional: 0, independent unconditional: 2601, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 106768, independent: 93974, independent conditional: 91373, independent unconditional: 2601, dependent: 12794, dependent conditional: 12774, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 96006, independent: 93974, independent conditional: 91373, independent unconditional: 2601, dependent: 2032, dependent conditional: 2012, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 96006, independent: 93974, independent conditional: 91373, independent unconditional: 2601, dependent: 2032, dependent conditional: 2012, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 100364, independent: 93974, independent conditional: 91373, independent unconditional: 2601, dependent: 6390, dependent conditional: 6370, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 100364, independent: 93974, independent conditional: 0, independent unconditional: 93974, dependent: 6390, dependent conditional: 4358, dependent unconditional: 2032, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 100364, independent: 93974, independent conditional: 0, independent unconditional: 93974, dependent: 6390, dependent conditional: 4358, dependent unconditional: 2032, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2091, independent: 2039, independent conditional: 0, independent unconditional: 2039, dependent: 52, dependent conditional: 32, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2091, independent: 1920, independent conditional: 0, independent unconditional: 1920, dependent: 171, dependent conditional: 0, dependent unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 171, independent: 119, independent conditional: 0, independent unconditional: 119, dependent: 52, dependent conditional: 32, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 171, independent: 119, independent conditional: 0, independent unconditional: 119, dependent: 52, dependent conditional: 32, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1829, independent: 1262, independent conditional: 0, independent unconditional: 1262, dependent: 567, dependent conditional: 387, dependent unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 100364, independent: 91935, independent conditional: 0, independent unconditional: 91935, dependent: 6338, dependent conditional: 4326, dependent unconditional: 2012, unknown: 2091, unknown conditional: 32, unknown unconditional: 2059] , Statistics on independence cache: Total cache size (in pairs): 2091, Positive cache size: 2039, Positive conditional cache size: 0, Positive unconditional cache size: 2039, Negative cache size: 52, Negative conditional cache size: 32, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 93385, Maximal queried relation: 5, Independence queries for same thread: 10762 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 249453, independent: 216014, independent conditional: 213047, independent unconditional: 2967, dependent: 33439, dependent conditional: 33419, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 219047, independent: 216014, independent conditional: 213047, independent unconditional: 2967, dependent: 3033, dependent conditional: 3013, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 219047, independent: 216014, independent conditional: 213047, independent unconditional: 2967, dependent: 3033, dependent conditional: 3013, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 225671, independent: 216014, independent conditional: 213047, independent unconditional: 2967, dependent: 9657, dependent conditional: 9637, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 225671, independent: 216014, independent conditional: 0, independent unconditional: 216014, dependent: 9657, dependent conditional: 6624, dependent unconditional: 3033, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 225671, independent: 216014, independent conditional: 0, independent unconditional: 216014, dependent: 9657, dependent conditional: 6624, dependent unconditional: 3033, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2322, independent: 2230, independent conditional: 0, independent unconditional: 2230, dependent: 92, dependent conditional: 72, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2322, independent: 2111, independent conditional: 0, independent unconditional: 2111, dependent: 211, dependent conditional: 0, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 211, independent: 119, independent conditional: 0, independent unconditional: 119, dependent: 92, dependent conditional: 72, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 211, independent: 119, independent conditional: 0, independent unconditional: 119, dependent: 92, dependent conditional: 72, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2240, independent: 1170, independent conditional: 0, independent unconditional: 1170, dependent: 1071, dependent conditional: 907, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 225671, independent: 213784, independent conditional: 0, independent unconditional: 213784, dependent: 9565, dependent conditional: 6552, dependent unconditional: 3013, unknown: 2322, unknown conditional: 72, unknown unconditional: 2250] , Statistics on independence cache: Total cache size (in pairs): 2322, Positive cache size: 2230, Positive conditional cache size: 0, Positive unconditional cache size: 2230, Negative cache size: 92, Negative conditional cache size: 72, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 216060, Maximal queried relation: 5, Independence queries for same thread: 30406, Persistent sets #1 benchmarks: Persistent set computation time: 1.5s, Number of persistent set computation: 4918, Number of trivial persistent sets: 3708, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2987, independent: 2967, independent conditional: 0, independent unconditional: 2967, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 249453, independent: 216014, independent conditional: 213047, independent unconditional: 2967, dependent: 33439, dependent conditional: 33419, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 219047, independent: 216014, independent conditional: 213047, independent unconditional: 2967, dependent: 3033, dependent conditional: 3013, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 219047, independent: 216014, independent conditional: 213047, independent unconditional: 2967, dependent: 3033, dependent conditional: 3013, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 225671, independent: 216014, independent conditional: 213047, independent unconditional: 2967, dependent: 9657, dependent conditional: 9637, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 225671, independent: 216014, independent conditional: 0, independent unconditional: 216014, dependent: 9657, dependent conditional: 6624, dependent unconditional: 3033, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 225671, independent: 216014, independent conditional: 0, independent unconditional: 216014, dependent: 9657, dependent conditional: 6624, dependent unconditional: 3033, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2322, independent: 2230, independent conditional: 0, independent unconditional: 2230, dependent: 92, dependent conditional: 72, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2322, independent: 2111, independent conditional: 0, independent unconditional: 2111, dependent: 211, dependent conditional: 0, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 211, independent: 119, independent conditional: 0, independent unconditional: 119, dependent: 92, dependent conditional: 72, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 211, independent: 119, independent conditional: 0, independent unconditional: 119, dependent: 92, dependent conditional: 72, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2240, independent: 1170, independent conditional: 0, independent unconditional: 1170, dependent: 1071, dependent conditional: 907, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 225671, independent: 213784, independent conditional: 0, independent unconditional: 213784, dependent: 9565, dependent conditional: 6552, dependent unconditional: 3013, unknown: 2322, unknown conditional: 72, unknown unconditional: 2250] , Statistics on independence cache: Total cache size (in pairs): 2322, Positive cache size: 2230, Positive conditional cache size: 0, Positive unconditional cache size: 2230, Negative cache size: 92, Negative conditional cache size: 72, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 216060, Maximal queried relation: 5, Independence queries for same thread: 30406 - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-08 15:40:47,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Ended with exit code 0 [2024-09-08 15:40:47,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Forceful destruction successful, exit code 0 [2024-09-08 15:40:47,706 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 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-prod-cons3.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/popl20-prod-cons3.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 15:40:49,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 15:40:50,056 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-09-08 15:40:50,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 15:40:50,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 15:40:50,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 15:40:50,084 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 15:40:50,084 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 15:40:50,087 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 15:40:50,088 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 15:40:50,089 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 15:40:50,089 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 15:40:50,089 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 15:40:50,089 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 15:40:50,089 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 15:40:50,090 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 15:40:50,090 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 15:40:50,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 15:40:50,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 15:40:50,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 15:40:50,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 15:40:50,093 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-08 15:40:50,093 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 15:40:50,093 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-08 15:40:50,093 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 15:40:50,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 15:40:50,093 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 15:40:50,093 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 15:40:50,094 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 15:40:50,094 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 15:40:50,094 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 15:40:50,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 15:40:50,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 15:40:50,095 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 15:40:50,095 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 15:40:50,095 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-08 15:40:50,095 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 15:40:50,095 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-08 15:40:50,095 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 15:40:50,095 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 15:40:50,095 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 15:40:50,096 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 15:40:50,096 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-08 15:40:50,096 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 15:40:50,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 15:40:50,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 15:40:50,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 15:40:50,380 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 15:40:50,380 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 15:40:50,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2024-09-08 15:40:51,711 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 15:40:51,979 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 15:40:51,980 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2024-09-08 15:40:51,988 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0ade28634/30eb6c4f258b491ebafb16a571598ea8/FLAG0c39652a6 [2024-09-08 15:40:52,323 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0ade28634/30eb6c4f258b491ebafb16a571598ea8 [2024-09-08 15:40:52,326 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 15:40:52,326 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 15:40:52,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-local/popl20-prod-cons3.wvr.yml/witness.yml [2024-09-08 15:40:52,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 15:40:52,622 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 15:40:52,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 15:40:52,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 15:40:52,627 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 15:40:52,628 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 03:40:52" (1/2) ... [2024-09-08 15:40:52,629 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a4b20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:40:52, skipping insertion in model container [2024-09-08 15:40:52,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 03:40:52" (1/2) ... [2024-09-08 15:40:52,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@23139aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:40:52, skipping insertion in model container [2024-09-08 15:40:52,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 03:40:52" (2/2) ... [2024-09-08 15:40:52,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a4b20b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 03:40:52, skipping insertion in model container [2024-09-08 15:40:52,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 03:40:52" (2/2) ... [2024-09-08 15:40:52,745 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 15:40:52,745 INFO L1541 ArrayList]: Location invariant before [L99-L99] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:40:52,746 INFO L1541 ArrayList]: Location invariant before [L77-L77] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:40:52,746 INFO L1541 ArrayList]: Location invariant before [L85-L85] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:40:52,748 INFO L1541 ArrayList]: Location invariant before [L116-L116] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:40:52,748 INFO L1541 ArrayList]: Location invariant before [L104-L104] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:40:52,748 INFO L1541 ArrayList]: Location invariant before [L56-L56] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:40:52,748 INFO L1541 ArrayList]: Location invariant before [L107-L107] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:40:52,749 INFO L1541 ArrayList]: Location invariant before [L95-L95] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:40:52,749 INFO L1541 ArrayList]: Location invariant before [L68-L68] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:40:52,749 INFO L1541 ArrayList]: Location invariant before [L72-L72] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:40:52,749 INFO L1541 ArrayList]: Location invariant before [L82-L82] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:40:52,749 INFO L1541 ArrayList]: Location invariant before [L50-L50] (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= W) && (W <= 1073741822)) && ((2147483648LL + (long long )front1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back1) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )front2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n1 >= 0LL)) && ((2147483648LL + (long long )back2) + (long long )n2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back1 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )front2 >= 0LL)) && ((2147483648LL + (long long )W) + (long long )back2 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n1 >= 0LL)) && ((1073741822LL - (long long )W) + (long long )n2 >= 0LL)) && ((1073741823LL - (long long )n1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back1) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )front2) + (long long )n2 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n1 >= 0LL)) && ((2147483647LL - (long long )back2) + (long long )n2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back1 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )front2 >= 0LL)) && ((3221225470LL - (long long )W) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )front1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )front2 >= 0LL)) && ((4294967295LL - (long long )back1) + (long long )back2 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front1 >= 0LL)) && ((4294967295LL - (long long )back2) + (long long )front2 >= 0LL)) && ((long long )n1 + (long long )n2 >= 0LL)) && ((long long )W + (long long )n1 >= 0LL)) && ((long long )W + (long long )n2 >= 0LL)) && ((1073741823LL + (long long )n1) - (long long )n2 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n1 >= 0LL)) && ((1073741823LL + (long long )W) - (long long )n2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back1 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )front2 >= 0LL)) && ((2147483647LL + (long long )W) - (long long )back2 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back1) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )front2) - (long long )n2 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n1 >= 0LL)) && ((3221225471LL + (long long )back2) - (long long )n2 >= 0LL)) && ((4294967295LL + (long long )front1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )front2 >= 0LL)) && ((4294967295LL + (long long )back1) - (long long )back2 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front1 >= 0LL)) && ((4294967295LL + (long long )back2) - (long long )front2 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n1 >= 0LL)) && ((2147483645LL - (long long )W) - (long long )n2 >= 0LL)) && ((2147483646LL - (long long )n1) - (long long )n2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back1 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )front2 >= 0LL)) && ((3221225469LL - (long long )W) - (long long )back2 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back1) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )front2) - (long long )n2 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n1 >= 0LL)) && ((3221225470LL - (long long )back2) - (long long )n2 >= 0LL)) && ((4294967294LL - (long long )front1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )front2 >= 0LL)) && ((4294967294LL - (long long )back1) - (long long )back2 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front1 >= 0LL)) && ((4294967294LL - (long long )back2) - (long long )front2 >= 0LL) [2024-09-08 15:40:52,768 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 15:40:52,936 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c[4059,4072] [2024-09-08 15:40:52,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 15:40:52,957 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 15:40:53,244 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c[4059,4072] [2024-09-08 15:40:53,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 15:40:53,261 INFO L204 MainTranslator]: Completed translation [2024-09-08 15:40:53,262 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 03:40:53 WrapperNode [2024-09-08 15:40:53,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 15:40:53,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 15:40:53,262 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 15:40:53,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 15:40:53,267 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 08.09 03:40:53" (1/1) ... [2024-09-08 15:40:53,288 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 08.09 03:40:53" (1/1) ... [2024-09-08 15:40:53,341 INFO L138 Inliner]: procedures = 27, calls = 53, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 271 [2024-09-08 15:40:53,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 15:40:53,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 15:40:53,345 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 15:40:53,345 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 15:40:53,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 03:40:53" (1/1) ... [2024-09-08 15:40:53,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 03:40:53" (1/1) ... [2024-09-08 15:40:53,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 03:40:53" (1/1) ... [2024-09-08 15:40:53,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 03:40:53" (1/1) ... [2024-09-08 15:40:53,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 03:40:53" (1/1) ... [2024-09-08 15:40:53,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 03:40:53" (1/1) ... [2024-09-08 15:40:53,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 03:40:53" (1/1) ... [2024-09-08 15:40:53,404 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 03:40:53" (1/1) ... [2024-09-08 15:40:53,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 15:40:53,410 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 15:40:53,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 15:40:53,411 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 15:40:53,411 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 03:40:53" (1/1) ... [2024-09-08 15:40:53,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 15:40:53,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:40:53,446 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) [2024-09-08 15:40:53,449 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 [2024-09-08 15:40:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 15:40:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-08 15:40:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-09-08 15:40:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 15:40:53,481 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 15:40:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 15:40:53,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 15:40:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-08 15:40:53,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-08 15:40:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-09-08 15:40:53,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-09-08 15:40:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 15:40:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 15:40:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-08 15:40:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 15:40:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 15:40:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-09-08 15:40:53,484 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 15:40:53,597 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 15:40:53,599 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 15:40:57,110 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 15:40:57,110 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 15:40:57,442 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 15:40:57,442 INFO L318 CfgBuilder]: Removed 5 assume(true) statements. [2024-09-08 15:40:57,443 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 03:40:57 BoogieIcfgContainer [2024-09-08 15:40:57,443 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 15:40:57,444 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 15:40:57,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 15:40:57,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 15:40:57,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 03:40:52" (1/4) ... [2024-09-08 15:40:57,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f45e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 03:40:57, skipping insertion in model container [2024-09-08 15:40:57,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 03:40:52" (2/4) ... [2024-09-08 15:40:57,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f45e40 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 03:40:57, skipping insertion in model container [2024-09-08 15:40:57,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 03:40:53" (3/4) ... [2024-09-08 15:40:57,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f45e40 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 03:40:57, skipping insertion in model container [2024-09-08 15:40:57,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 03:40:57" (4/4) ... [2024-09-08 15:40:57,449 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons3.wvr.c [2024-09-08 15:40:57,461 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 15:40:57,461 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2024-09-08 15:40:57,461 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 15:40:57,592 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-09-08 15:40:57,620 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 15:40:57,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 15:40:57,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:40:57,634 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) [2024-09-08 15:40:57,637 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 [2024-09-08 15:40:57,658 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 15:40:57,666 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork3 ======== [2024-09-08 15:40:57,670 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;@497fd648, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 15:40:57,671 INFO L337 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-09-08 15:40:59,021 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-09-08 15:40:59,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:40:59,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1159322298, now seen corresponding path program 1 times [2024-09-08 15:40:59,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 15:40:59,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1649258092] [2024-09-08 15:40:59,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:40:59,040 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-08 15:40:59,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 15:40:59,044 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-08 15:40:59,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-09-08 15:40:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:40:59,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-09-08 15:40:59,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:40:59,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:40:59,888 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 15:40:59,889 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 15:40:59,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1649258092] [2024-09-08 15:40:59,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1649258092] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:40:59,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 15:40:59,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 15:40:59,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494820149] [2024-09-08 15:40:59,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:40:59,895 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 15:40:59,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 15:40:59,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 15:40:59,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-08 15:40:59,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:40:59,918 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:40:59,919 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) [2024-09-08 15:40:59,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:41:00,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:41:00,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-09-08 15:41:00,638 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-08 15:41:00,638 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-09-08 15:41:00,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:41:00,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1275406961, now seen corresponding path program 1 times [2024-09-08 15:41:00,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 15:41:00,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [805230625] [2024-09-08 15:41:00,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:41:00,640 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-08 15:41:00,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 15:41:00,643 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-08 15:41:00,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-09-08 15:41:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:41:00,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-09-08 15:41:00,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:41:01,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:41:01,477 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:41:46,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:41:46,341 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 15:41:46,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [805230625] [2024-09-08 15:41:46,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [805230625] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 15:41:46,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 15:41:46,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2024-09-08 15:41:46,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120347948] [2024-09-08 15:41:46,342 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 15:41:46,343 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-08 15:41:46,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 15:41:46,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-08 15:41:46,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-09-08 15:41:46,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:41:46,344 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:41:46,344 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 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) [2024-09-08 15:41:46,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:41:46,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:41:56,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:41:56,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 15:41:56,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-09-08 15:41:56,359 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-08 15:41:56,359 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-09-08 15:41:56,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:41:56,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1928095738, now seen corresponding path program 2 times [2024-09-08 15:41:56,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 15:41:56,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [181600188] [2024-09-08 15:41:56,361 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 15:41:56,361 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-08 15:41:56,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 15:41:56,363 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-08 15:41:56,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-09-08 15:41:56,540 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 15:41:56,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 15:41:56,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-09-08 15:41:56,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:41:57,038 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 15:41:57,039 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 15:41:57,039 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 15:41:57,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [181600188] [2024-09-08 15:41:57,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [181600188] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:41:57,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 15:41:57,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 15:41:57,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699581156] [2024-09-08 15:41:57,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:41:57,043 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 15:41:57,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 15:41:57,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 15:41:57,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-08 15:41:57,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:41:57,045 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:41:57,046 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 15:41:57,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:41:57,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 15:41:57,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:41:57,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:41:57,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 15:41:57,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:41:57,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-09-08 15:41:57,699 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-08 15:41:57,699 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-09-08 15:41:57,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:41:57,704 INFO L85 PathProgramCache]: Analyzing trace with hash 661077136, now seen corresponding path program 1 times [2024-09-08 15:41:57,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 15:41:57,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855041304] [2024-09-08 15:41:57,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:41:57,704 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-08 15:41:57,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 15:41:57,706 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-08 15:41:57,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-09-08 15:41:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:41:58,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-09-08 15:41:58,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:41:58,901 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:41:58,902 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:43:16,923 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:43:16,924 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 15:43:16,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855041304] [2024-09-08 15:43:16,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1855041304] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 15:43:16,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 15:43:16,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16 [2024-09-08 15:43:16,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066785343] [2024-09-08 15:43:16,925 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 15:43:16,926 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-09-08 15:43:16,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 15:43:16,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-09-08 15:43:16,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-09-08 15:43:16,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:43:16,928 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:43:16,928 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 15:43:16,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:43:16,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 15:43:16,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:43:16,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:43:29,081 WARN L293 SmtUtils]: Spent 10.22s on a formula simplification. DAG size of input: 156 DAG size of output: 167 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-09-08 15:43:49,879 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification. DAG size of input: 155 DAG size of output: 166 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-09-08 15:44:00,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:44:00,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 15:44:00,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:44:00,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 15:44:00,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-09-08 15:44:00,644 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-08 15:44:00,645 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 2 more)] === [2024-09-08 15:44:00,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:44:00,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1559828368, now seen corresponding path program 2 times [2024-09-08 15:44:00,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 15:44:00,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1377352478] [2024-09-08 15:44:00,649 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 15:44:00,649 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-08 15:44:00,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 15:44:00,651 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-08 15:44:00,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-09-08 15:44:00,843 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 15:44:00,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 15:44:00,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-08 15:44:00,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:44:01,445 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-09-08 15:44:01,446 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 15:44:01,446 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 15:44:01,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1377352478] [2024-09-08 15:44:01,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1377352478] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:44:01,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 15:44:01,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 15:44:01,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475457167] [2024-09-08 15:44:01,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:44:01,447 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 15:44:01,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 15:44:01,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 15:44:01,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-09-08 15:44:01,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:44:01,448 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:44:01,448 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) [2024-09-08 15:44:01,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:44:01,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 15:44:01,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:44:01,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 15:44:01,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15