./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/13-privatized_04-priv_multi_true.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/goblint-regression/13-privatized_04-priv_multi_true.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/13-privatized_04-priv_multi_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-07 21:17:05,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-07 21:17:05,720 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-07 21:17:05,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-07 21:17:05,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-07 21:17:05,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-07 21:17:05,745 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-07 21:17:05,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-07 21:17:05,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-07 21:17:05,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-07 21:17:05,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-07 21:17:05,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-07 21:17:05,749 INFO L153 SettingsManager]: * Use SBE=true [2024-09-07 21:17:05,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-07 21:17:05,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-07 21:17:05,750 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-07 21:17:05,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-07 21:17:05,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-07 21:17:05,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-07 21:17:05,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-07 21:17:05,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-07 21:17:05,752 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-07 21:17:05,752 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-07 21:17:05,752 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-07 21:17:05,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-07 21:17:05,752 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-07 21:17:05,753 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-07 21:17:05,753 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-07 21:17:05,753 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-07 21:17:05,754 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-07 21:17:05,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:17:05,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-07 21:17:05,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-07 21:17:05,755 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-07 21:17:05,755 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-07 21:17:05,755 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-07 21:17:05,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-07 21:17:05,755 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-07 21:17:05,756 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-07 21:17:05,756 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-07 21:17:05,756 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-07 21:17:05,756 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-07 21:17:05,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-07 21:17:05,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-07 21:17:05,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-07 21:17:05,975 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-07 21:17:05,975 INFO L274 PluginConnector]: CDTParser initialized [2024-09-07 21:17:05,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2024-09-07 21:17:07,173 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-07 21:17:07,411 INFO L384 CDTParser]: Found 1 translation units. [2024-09-07 21:17:07,411 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2024-09-07 21:17:07,423 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9790af18e/08ea19d9514a4bc8a72f31c20ff30e85/FLAGb7c0f3584 [2024-09-07 21:17:07,737 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9790af18e/08ea19d9514a4bc8a72f31c20ff30e85 [2024-09-07 21:17:07,739 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-07 21:17:07,739 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-07 21:17:07,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/13-privatized_04-priv_multi_true.yml/witness.yml [2024-09-07 21:17:07,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-07 21:17:07,836 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-07 21:17:07,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-07 21:17:07,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-07 21:17:07,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-07 21:17:07,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:17:07" (1/2) ... [2024-09-07 21:17:07,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9748457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:07, skipping insertion in model container [2024-09-07 21:17:07,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:17:07" (1/2) ... [2024-09-07 21:17:07,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71cb2c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:07, skipping insertion in model container [2024-09-07 21:17:07,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:17:07" (2/2) ... [2024-09-07 21:17:07,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9748457 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:07, skipping insertion in model container [2024-09-07 21:17:07,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:17:07" (2/2) ... [2024-09-07 21:17:07,957 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-07 21:17:07,958 INFO L1541 ArrayList]: Location invariant before [L1204-L1204] (((! multithreaded || (1 <= A && A <= 100)) && (! multithreaded || (B == 5 || B == 6))) && (! multithreaded || (mutex_A_locked || (A == 5 && B == 5)))) && (! multithreaded || (mutex_B_locked || B == 5)) [2024-09-07 21:17:07,958 INFO L1541 ArrayList]: Location invariant before [L1203-L1203] (((! multithreaded || (1 <= A && A <= 100)) && (! multithreaded || (B == 5 || B == 6))) && (! multithreaded || (mutex_A_locked || (A == 5 && B == 5)))) && (! multithreaded || (mutex_B_locked || B == 5)) [2024-09-07 21:17:07,958 INFO L1541 ArrayList]: Location invariant before [L1205-L1212] (((! multithreaded || (1 <= A && A <= 100)) && (! multithreaded || (B == 5 || B == 6))) && (! multithreaded || (mutex_A_locked || (A == 5 && B == 5)))) && (! multithreaded || (mutex_B_locked || B == 5)) [2024-09-07 21:17:07,958 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-07 21:17:07,958 INFO L1541 ArrayList]: ghost_variable mutex_A_locked = 0 [2024-09-07 21:17:07,958 INFO L1541 ArrayList]: ghost_variable mutex_B_locked = 0 [2024-09-07 21:17:07,959 INFO L1541 ArrayList]: ghost_update [L1202-L1202] multithreaded = 1; [2024-09-07 21:17:07,959 INFO L1541 ArrayList]: ghost_update [L1206-L1206] mutex_A_locked = 1; [2024-09-07 21:17:07,959 INFO L1541 ArrayList]: ghost_update [L1206-L1206] mutex_A_locked = 1; [2024-09-07 21:17:07,959 INFO L1541 ArrayList]: ghost_update [L1206-L1206] mutex_A_locked = 1; [2024-09-07 21:17:07,959 INFO L1541 ArrayList]: ghost_update [L1206-L1206] mutex_A_locked = 1; [2024-09-07 21:17:07,959 INFO L1541 ArrayList]: ghost_update [L1206-L1206] mutex_A_locked = 1; [2024-09-07 21:17:07,960 INFO L1541 ArrayList]: ghost_update [L1206-L1206] mutex_A_locked = 1; [2024-09-07 21:17:07,960 INFO L1541 ArrayList]: ghost_update [L1206-L1206] mutex_A_locked = 1; [2024-09-07 21:17:07,960 INFO L1541 ArrayList]: ghost_update [L1206-L1206] mutex_A_locked = 1; [2024-09-07 21:17:07,960 INFO L1541 ArrayList]: ghost_update [L1171-L1171] mutex_B_locked = 1; [2024-09-07 21:17:07,960 INFO L1541 ArrayList]: ghost_update [L1171-L1171] mutex_B_locked = 1; [2024-09-07 21:17:07,960 INFO L1541 ArrayList]: ghost_update [L1171-L1171] mutex_B_locked = 1; [2024-09-07 21:17:07,961 INFO L1541 ArrayList]: ghost_update [L1171-L1171] mutex_B_locked = 1; [2024-09-07 21:17:07,961 INFO L1541 ArrayList]: ghost_update [L1171-L1171] mutex_B_locked = 1; [2024-09-07 21:17:07,961 INFO L1541 ArrayList]: ghost_update [L1171-L1171] mutex_B_locked = 1; [2024-09-07 21:17:07,961 INFO L1541 ArrayList]: ghost_update [L1158-L1158] mutex_A_locked = 1; [2024-09-07 21:17:07,961 INFO L1541 ArrayList]: ghost_update [L1158-L1158] mutex_A_locked = 1; [2024-09-07 21:17:07,961 INFO L1541 ArrayList]: ghost_update [L1158-L1158] mutex_A_locked = 1; [2024-09-07 21:17:07,961 INFO L1541 ArrayList]: ghost_update [L1158-L1158] mutex_A_locked = 1; [2024-09-07 21:17:07,961 INFO L1541 ArrayList]: ghost_update [L1158-L1158] mutex_A_locked = 1; [2024-09-07 21:17:07,961 INFO L1541 ArrayList]: ghost_update [L1158-L1158] mutex_A_locked = 1; [2024-09-07 21:17:07,961 INFO L1541 ArrayList]: ghost_update [L1158-L1158] mutex_A_locked = 1; [2024-09-07 21:17:07,961 INFO L1541 ArrayList]: ghost_update [L1158-L1158] mutex_A_locked = 1; [2024-09-07 21:17:07,961 INFO L1541 ArrayList]: ghost_update [L1158-L1158] mutex_A_locked = 1; [2024-09-07 21:17:07,961 INFO L1541 ArrayList]: ghost_update [L1168-L1168] mutex_A_locked = 1; [2024-09-07 21:17:07,962 INFO L1541 ArrayList]: ghost_update [L1168-L1168] mutex_A_locked = 1; [2024-09-07 21:17:07,962 INFO L1541 ArrayList]: ghost_update [L1168-L1168] mutex_A_locked = 1; [2024-09-07 21:17:07,962 INFO L1541 ArrayList]: ghost_update [L1168-L1168] mutex_A_locked = 1; [2024-09-07 21:17:07,962 INFO L1541 ArrayList]: ghost_update [L1168-L1168] mutex_A_locked = 1; [2024-09-07 21:17:07,962 INFO L1541 ArrayList]: ghost_update [L1168-L1168] mutex_A_locked = 1; [2024-09-07 21:17:07,962 INFO L1541 ArrayList]: ghost_update [L1174-L1174] mutex_B_locked = 0; [2024-09-07 21:17:07,962 INFO L1541 ArrayList]: ghost_update [L1174-L1174] mutex_B_locked = 0; [2024-09-07 21:17:07,963 INFO L1541 ArrayList]: ghost_update [L1174-L1174] mutex_B_locked = 0; [2024-09-07 21:17:07,963 INFO L1541 ArrayList]: ghost_update [L1174-L1174] mutex_B_locked = 0; [2024-09-07 21:17:07,963 INFO L1541 ArrayList]: ghost_update [L1174-L1174] mutex_B_locked = 0; [2024-09-07 21:17:07,964 INFO L1541 ArrayList]: ghost_update [L1174-L1174] mutex_B_locked = 0; [2024-09-07 21:17:07,964 INFO L1541 ArrayList]: ghost_update [L1161-L1161] mutex_A_locked = 0; [2024-09-07 21:17:07,964 INFO L1541 ArrayList]: ghost_update [L1161-L1161] mutex_A_locked = 0; [2024-09-07 21:17:07,964 INFO L1541 ArrayList]: ghost_update [L1161-L1161] mutex_A_locked = 0; [2024-09-07 21:17:07,964 INFO L1541 ArrayList]: ghost_update [L1161-L1161] mutex_A_locked = 0; [2024-09-07 21:17:07,964 INFO L1541 ArrayList]: ghost_update [L1161-L1161] mutex_A_locked = 0; [2024-09-07 21:17:07,964 INFO L1541 ArrayList]: ghost_update [L1161-L1161] mutex_A_locked = 0; [2024-09-07 21:17:07,964 INFO L1541 ArrayList]: ghost_update [L1161-L1161] mutex_A_locked = 0; [2024-09-07 21:17:07,965 INFO L1541 ArrayList]: ghost_update [L1161-L1161] mutex_A_locked = 0; [2024-09-07 21:17:07,965 INFO L1541 ArrayList]: ghost_update [L1161-L1161] mutex_A_locked = 0; [2024-09-07 21:17:07,965 INFO L1541 ArrayList]: ghost_update [L1209-L1209] mutex_B_locked = 0; [2024-09-07 21:17:07,965 INFO L1541 ArrayList]: ghost_update [L1209-L1209] mutex_B_locked = 0; [2024-09-07 21:17:07,965 INFO L1541 ArrayList]: ghost_update [L1209-L1209] mutex_B_locked = 0; [2024-09-07 21:17:07,965 INFO L1541 ArrayList]: ghost_update [L1209-L1209] mutex_B_locked = 0; [2024-09-07 21:17:07,965 INFO L1541 ArrayList]: ghost_update [L1209-L1209] mutex_B_locked = 0; [2024-09-07 21:17:07,966 INFO L1541 ArrayList]: ghost_update [L1209-L1209] mutex_B_locked = 0; [2024-09-07 21:17:07,966 INFO L1541 ArrayList]: ghost_update [L1209-L1209] mutex_B_locked = 0; [2024-09-07 21:17:07,966 INFO L1541 ArrayList]: ghost_update [L1209-L1209] mutex_B_locked = 0; [2024-09-07 21:17:07,966 INFO L1541 ArrayList]: ghost_update [L1176-L1176] mutex_A_locked = 0; [2024-09-07 21:17:07,966 INFO L1541 ArrayList]: ghost_update [L1176-L1176] mutex_A_locked = 0; [2024-09-07 21:17:07,966 INFO L1541 ArrayList]: ghost_update [L1176-L1176] mutex_A_locked = 0; [2024-09-07 21:17:07,966 INFO L1541 ArrayList]: ghost_update [L1176-L1176] mutex_A_locked = 0; [2024-09-07 21:17:07,966 INFO L1541 ArrayList]: ghost_update [L1176-L1176] mutex_A_locked = 0; [2024-09-07 21:17:07,966 INFO L1541 ArrayList]: ghost_update [L1176-L1176] mutex_A_locked = 0; [2024-09-07 21:17:07,966 INFO L1541 ArrayList]: ghost_update [L1210-L1210] mutex_A_locked = 0; [2024-09-07 21:17:07,966 INFO L1541 ArrayList]: ghost_update [L1210-L1210] mutex_A_locked = 0; [2024-09-07 21:17:07,966 INFO L1541 ArrayList]: ghost_update [L1210-L1210] mutex_A_locked = 0; [2024-09-07 21:17:07,966 INFO L1541 ArrayList]: ghost_update [L1210-L1210] mutex_A_locked = 0; [2024-09-07 21:17:07,966 INFO L1541 ArrayList]: ghost_update [L1210-L1210] mutex_A_locked = 0; [2024-09-07 21:17:07,967 INFO L1541 ArrayList]: ghost_update [L1210-L1210] mutex_A_locked = 0; [2024-09-07 21:17:07,967 INFO L1541 ArrayList]: ghost_update [L1210-L1210] mutex_A_locked = 0; [2024-09-07 21:17:07,967 INFO L1541 ArrayList]: ghost_update [L1210-L1210] mutex_A_locked = 0; [2024-09-07 21:17:07,967 INFO L1541 ArrayList]: ghost_update [L1187-L1187] mutex_B_locked = 1; [2024-09-07 21:17:07,967 INFO L1541 ArrayList]: ghost_update [L1187-L1187] mutex_B_locked = 1; [2024-09-07 21:17:07,967 INFO L1541 ArrayList]: ghost_update [L1187-L1187] mutex_B_locked = 1; [2024-09-07 21:17:07,967 INFO L1541 ArrayList]: ghost_update [L1187-L1187] mutex_B_locked = 1; [2024-09-07 21:17:07,967 INFO L1541 ArrayList]: ghost_update [L1187-L1187] mutex_B_locked = 1; [2024-09-07 21:17:07,967 INFO L1541 ArrayList]: ghost_update [L1187-L1187] mutex_B_locked = 1; [2024-09-07 21:17:07,967 INFO L1541 ArrayList]: ghost_update [L1187-L1187] mutex_B_locked = 1; [2024-09-07 21:17:07,967 INFO L1541 ArrayList]: ghost_update [L1187-L1187] mutex_B_locked = 1; [2024-09-07 21:17:07,967 INFO L1541 ArrayList]: ghost_update [L1187-L1187] mutex_B_locked = 1; [2024-09-07 21:17:07,967 INFO L1541 ArrayList]: ghost_update [L1190-L1190] mutex_B_locked = 0; [2024-09-07 21:17:07,967 INFO L1541 ArrayList]: ghost_update [L1190-L1190] mutex_B_locked = 0; [2024-09-07 21:17:07,967 INFO L1541 ArrayList]: ghost_update [L1190-L1190] mutex_B_locked = 0; [2024-09-07 21:17:07,967 INFO L1541 ArrayList]: ghost_update [L1190-L1190] mutex_B_locked = 0; [2024-09-07 21:17:07,967 INFO L1541 ArrayList]: ghost_update [L1190-L1190] mutex_B_locked = 0; [2024-09-07 21:17:07,967 INFO L1541 ArrayList]: ghost_update [L1190-L1190] mutex_B_locked = 0; [2024-09-07 21:17:07,968 INFO L1541 ArrayList]: ghost_update [L1190-L1190] mutex_B_locked = 0; [2024-09-07 21:17:07,968 INFO L1541 ArrayList]: ghost_update [L1190-L1190] mutex_B_locked = 0; [2024-09-07 21:17:07,968 INFO L1541 ArrayList]: ghost_update [L1190-L1190] mutex_B_locked = 0; [2024-09-07 21:17:07,968 INFO L1541 ArrayList]: ghost_update [L1207-L1207] mutex_B_locked = 1; [2024-09-07 21:17:07,968 INFO L1541 ArrayList]: ghost_update [L1207-L1207] mutex_B_locked = 1; [2024-09-07 21:17:07,968 INFO L1541 ArrayList]: ghost_update [L1207-L1207] mutex_B_locked = 1; [2024-09-07 21:17:07,968 INFO L1541 ArrayList]: ghost_update [L1207-L1207] mutex_B_locked = 1; [2024-09-07 21:17:07,968 INFO L1541 ArrayList]: ghost_update [L1207-L1207] mutex_B_locked = 1; [2024-09-07 21:17:07,969 INFO L1541 ArrayList]: ghost_update [L1207-L1207] mutex_B_locked = 1; [2024-09-07 21:17:07,969 INFO L1541 ArrayList]: ghost_update [L1207-L1207] mutex_B_locked = 1; [2024-09-07 21:17:07,969 INFO L1541 ArrayList]: ghost_update [L1207-L1207] mutex_B_locked = 1; [2024-09-07 21:17:08,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-07 21:17:08,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:17:08,351 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 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 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 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 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 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 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 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-07 21:17:08,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:17:08,499 INFO L204 MainTranslator]: Completed translation [2024-09-07 21:17:08,499 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:08 WrapperNode [2024-09-07 21:17:08,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-07 21:17:08,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-07 21:17:08,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-07 21:17:08,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-07 21:17:08,506 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 07.09 09:17:08" (1/1) ... [2024-09-07 21:17:08,538 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 07.09 09:17:08" (1/1) ... [2024-09-07 21:17:08,558 INFO L138 Inliner]: procedures = 271, calls = 38, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 167 [2024-09-07 21:17:08,559 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-07 21:17:08,560 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-07 21:17:08,560 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-07 21:17:08,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-07 21:17:08,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:08" (1/1) ... [2024-09-07 21:17:08,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:08" (1/1) ... [2024-09-07 21:17:08,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:08" (1/1) ... [2024-09-07 21:17:08,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:08" (1/1) ... [2024-09-07 21:17:08,578 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:08" (1/1) ... [2024-09-07 21:17:08,581 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:08" (1/1) ... [2024-09-07 21:17:08,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:08" (1/1) ... [2024-09-07 21:17:08,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:08" (1/1) ... [2024-09-07 21:17:08,599 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-07 21:17:08,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-07 21:17:08,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-07 21:17:08,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-07 21:17:08,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:08" (1/1) ... [2024-09-07 21:17:08,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:17:08,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:17:08,637 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) [2024-09-07 21:17:08,639 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 [2024-09-07 21:17:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2024-09-07 21:17:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2024-09-07 21:17:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-07 21:17:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-07 21:17:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-07 21:17:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2024-09-07 21:17:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2024-09-07 21:17:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure process [2024-09-07 21:17:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2024-09-07 21:17:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-07 21:17:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-07 21:17:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-07 21:17:08,675 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-07 21:17:08,891 INFO L242 CfgBuilder]: Building ICFG [2024-09-07 21:17:08,893 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-07 21:17:09,142 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-07 21:17:09,142 INFO L291 CfgBuilder]: Performing block encoding [2024-09-07 21:17:09,262 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-07 21:17:09,262 INFO L318 CfgBuilder]: Removed 4 assume(true) statements. [2024-09-07 21:17:09,262 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:17:09 BoogieIcfgContainer [2024-09-07 21:17:09,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-07 21:17:09,264 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-07 21:17:09,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-07 21:17:09,268 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-07 21:17:09,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 09:17:07" (1/4) ... [2024-09-07 21:17:09,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe5428b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:17:09, skipping insertion in model container [2024-09-07 21:17:09,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:17:07" (2/4) ... [2024-09-07 21:17:09,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe5428b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.09 09:17:09, skipping insertion in model container [2024-09-07 21:17:09,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:08" (3/4) ... [2024-09-07 21:17:09,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe5428b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.09 09:17:09, skipping insertion in model container [2024-09-07 21:17:09,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:17:09" (4/4) ... [2024-09-07 21:17:09,271 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2024-09-07 21:17:09,283 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-07 21:17:09,283 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-09-07 21:17:09,283 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-07 21:17:09,317 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-07 21:17:09,350 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:17:09,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-07 21:17:09,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:17:09,352 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) [2024-09-07 21:17:09,355 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 [2024-09-07 21:17:09,377 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-07 21:17:09,385 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-07 21:17:09,390 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;@58b175a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:17:09,390 INFO L337 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-09-07 21:17:09,467 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-07 21:17:09,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:09,471 INFO L85 PathProgramCache]: Analyzing trace with hash 938676680, now seen corresponding path program 1 times [2024-09-07 21:17:09,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:09,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101429986] [2024-09-07 21:17:09,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:09,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:09,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:17:09,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:09,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101429986] [2024-09-07 21:17:09,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101429986] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:17:09,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:17:09,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-07 21:17:09,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029062018] [2024-09-07 21:17:09,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:17:09,850 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-07 21:17:09,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:09,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-07 21:17:09,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-07 21:17:09,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:09,872 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:09,872 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-09-07 21:17:09,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:10,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:10,115 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-07 21:17:10,115 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-07 21:17:10,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:10,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1931544243, now seen corresponding path program 1 times [2024-09-07 21:17:10,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:10,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432853230] [2024-09-07 21:17:10,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:10,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:10,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:17:10,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:10,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432853230] [2024-09-07 21:17:10,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432853230] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:17:10,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:17:10,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-07 21:17:10,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166816879] [2024-09-07 21:17:10,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:17:10,468 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-07 21:17:10,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:10,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-07 21:17:10,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-07 21:17:10,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:10,470 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:10,470 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-09-07 21:17:10,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:10,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:10,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:10,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:17:10,645 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-07 21:17:10,645 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-07 21:17:10,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:10,646 INFO L85 PathProgramCache]: Analyzing trace with hash 2039049251, now seen corresponding path program 1 times [2024-09-07 21:17:10,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:10,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466487004] [2024-09-07 21:17:10,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:10,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:10,982 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-07 21:17:10,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:10,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466487004] [2024-09-07 21:17:10,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466487004] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:17:10,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:17:10,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-07 21:17:10,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947141767] [2024-09-07 21:17:10,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:17:10,983 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-07 21:17:10,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:10,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-07 21:17:10,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-07 21:17:10,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:10,984 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:10,984 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 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) [2024-09-07 21:17:10,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:10,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:17:10,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:11,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:11,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:17:11,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:11,182 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-07 21:17:11,182 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-07 21:17:11,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:11,185 INFO L85 PathProgramCache]: Analyzing trace with hash -173647111, now seen corresponding path program 2 times [2024-09-07 21:17:11,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:11,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864537065] [2024-09-07 21:17:11,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:11,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:11,335 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-09-07 21:17:11,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:11,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864537065] [2024-09-07 21:17:11,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864537065] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:17:11,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:17:11,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-07 21:17:11,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302906735] [2024-09-07 21:17:11,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:17:11,336 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-07 21:17:11,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:11,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-07 21:17:11,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-07 21:17:11,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:11,337 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:11,338 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-09-07 21:17:11,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:11,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:17:11,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:11,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:11,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:11,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:17:11,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:11,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:11,431 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-07 21:17:11,431 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-07 21:17:11,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:11,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1665444027, now seen corresponding path program 3 times [2024-09-07 21:17:11,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:11,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297440343] [2024-09-07 21:17:11,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:11,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:12,007 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 38 proven. 39 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-09-07 21:17:12,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:12,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297440343] [2024-09-07 21:17:12,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297440343] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:17:12,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715290400] [2024-09-07 21:17:12,008 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-07 21:17:12,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:17:12,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:17:12,010 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) [2024-09-07 21:17:12,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-07 21:17:12,122 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-09-07 21:17:12,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-07 21:17:12,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-07 21:17:12,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:17:12,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-09-07 21:17:12,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-07 21:17:12,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-07 21:17:12,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-07 21:17:12,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-07 21:17:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-09-07 21:17:12,481 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-07 21:17:12,557 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-07 21:17:12,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-09-07 21:17:12,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-09-07 21:17:12,656 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-09-07 21:17:12,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715290400] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-07 21:17:12,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-07 21:17:12,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 17 [2024-09-07 21:17:12,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034988250] [2024-09-07 21:17:12,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-07 21:17:12,657 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-09-07 21:17:12,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:12,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-09-07 21:17:12,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=253, Unknown=1, NotChecked=0, Total=306 [2024-09-07 21:17:12,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:12,659 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:12,662 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.61111111111111) internal successors, (173), 17 states have internal predecessors, (173), 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) [2024-09-07 21:17:12,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:12,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:17:12,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:12,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:12,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:13,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:13,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:17:13,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:13,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:13,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:17:13,957 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 7 remaining) [2024-09-07 21:17:13,957 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 7 remaining) [2024-09-07 21:17:13,957 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 7 remaining) [2024-09-07 21:17:13,957 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 7 remaining) [2024-09-07 21:17:13,958 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-09-07 21:17:13,958 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-09-07 21:17:13,958 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining) [2024-09-07 21:17:13,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-07 21:17:14,158 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:17:14,163 INFO L408 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2024-09-07 21:17:14,165 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-07 21:17:14,165 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-07 21:17:14,167 INFO L469 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-09-07 21:17:14,167 INFO L470 ceAbstractionStarter]: WitnessConsidered=4 [2024-09-07 21:17:14,168 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 09:17:14 BasicIcfg [2024-09-07 21:17:14,168 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-07 21:17:14,171 INFO L158 Benchmark]: Toolchain (without parser) took 6334.68ms. Allocated memory was 195.0MB in the beginning and 312.5MB in the end (delta: 117.4MB). Free memory was 117.2MB in the beginning and 216.6MB in the end (delta: -99.4MB). Peak memory consumption was 150.0MB. Max. memory is 16.1GB. [2024-09-07 21:17:14,171 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:17:14,171 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 195.0MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:17:14,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 660.30ms. Allocated memory is still 195.0MB. Free memory was 117.2MB in the beginning and 161.0MB in the end (delta: -43.9MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. [2024-09-07 21:17:14,172 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.74ms. Allocated memory is still 195.0MB. Free memory was 161.0MB in the beginning and 157.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-07 21:17:14,172 INFO L158 Benchmark]: Boogie Preprocessor took 39.39ms. Allocated memory is still 195.0MB. Free memory was 157.9MB in the beginning and 154.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-07 21:17:14,172 INFO L158 Benchmark]: RCFGBuilder took 663.28ms. Allocated memory is still 195.0MB. Free memory was 154.8MB in the beginning and 98.1MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-09-07 21:17:14,172 INFO L158 Benchmark]: TraceAbstraction took 4903.66ms. Allocated memory was 195.0MB in the beginning and 312.5MB in the end (delta: 117.4MB). Free memory was 98.1MB in the beginning and 216.6MB in the end (delta: -118.4MB). Peak memory consumption was 131.3MB. Max. memory is 16.1GB. [2024-09-07 21:17:14,177 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 195.0MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 660.30ms. Allocated memory is still 195.0MB. Free memory was 117.2MB in the beginning and 161.0MB in the end (delta: -43.9MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.74ms. Allocated memory is still 195.0MB. Free memory was 161.0MB in the beginning and 157.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.39ms. Allocated memory is still 195.0MB. Free memory was 157.9MB in the beginning and 154.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 663.28ms. Allocated memory is still 195.0MB. Free memory was 154.8MB in the beginning and 98.1MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4903.66ms. Allocated memory was 195.0MB in the beginning and 312.5MB in the end (delta: 117.4MB). Free memory was 98.1MB in the beginning and 216.6MB in the end (delta: -118.4MB). Peak memory consumption was 131.3MB. 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: 37702, independent: 35775, independent conditional: 34044, independent unconditional: 1731, dependent: 1927, dependent conditional: 1820, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36043, independent: 35775, independent conditional: 34044, independent unconditional: 1731, dependent: 268, dependent conditional: 161, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 36043, independent: 35775, independent conditional: 34044, independent unconditional: 1731, dependent: 268, dependent conditional: 161, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44580, independent: 35775, independent conditional: 34044, independent unconditional: 1731, dependent: 8805, dependent conditional: 8698, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 44580, independent: 35775, independent conditional: 3560, independent unconditional: 32215, dependent: 8805, dependent conditional: 4305, dependent unconditional: 4500, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 44580, independent: 35775, independent conditional: 3560, independent unconditional: 32215, dependent: 8805, dependent conditional: 4305, dependent unconditional: 4500, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1773, independent: 1548, independent conditional: 93, independent unconditional: 1455, dependent: 225, dependent conditional: 106, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1773, independent: 1392, independent conditional: 0, independent unconditional: 1392, dependent: 381, dependent conditional: 0, dependent unconditional: 381, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 381, independent: 156, independent conditional: 93, independent unconditional: 63, dependent: 225, dependent conditional: 106, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 381, independent: 156, independent conditional: 93, independent unconditional: 63, dependent: 225, dependent conditional: 106, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 686, independent: 300, independent conditional: 168, independent unconditional: 132, dependent: 386, dependent conditional: 178, dependent unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 44580, independent: 34227, independent conditional: 3467, independent unconditional: 30760, dependent: 8580, dependent conditional: 4199, dependent unconditional: 4381, unknown: 1773, unknown conditional: 199, unknown unconditional: 1574] , Statistics on independence cache: Total cache size (in pairs): 1773, Positive cache size: 1548, Positive conditional cache size: 93, Positive unconditional cache size: 1455, Negative cache size: 225, Negative conditional cache size: 106, Negative unconditional cache size: 119, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 34877, Maximal queried relation: 5, Independence queries for same thread: 1659, Persistent sets #1 benchmarks: Persistent set computation time: 0.5s, Number of persistent set computation: 3079, Number of trivial persistent sets: 3063, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1838, independent: 1731, independent conditional: 0, independent unconditional: 1731, dependent: 107, dependent conditional: 0, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 37702, independent: 35775, independent conditional: 34044, independent unconditional: 1731, dependent: 1927, dependent conditional: 1820, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36043, independent: 35775, independent conditional: 34044, independent unconditional: 1731, dependent: 268, dependent conditional: 161, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 36043, independent: 35775, independent conditional: 34044, independent unconditional: 1731, dependent: 268, dependent conditional: 161, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44580, independent: 35775, independent conditional: 34044, independent unconditional: 1731, dependent: 8805, dependent conditional: 8698, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 44580, independent: 35775, independent conditional: 3560, independent unconditional: 32215, dependent: 8805, dependent conditional: 4305, dependent unconditional: 4500, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 44580, independent: 35775, independent conditional: 3560, independent unconditional: 32215, dependent: 8805, dependent conditional: 4305, dependent unconditional: 4500, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1773, independent: 1548, independent conditional: 93, independent unconditional: 1455, dependent: 225, dependent conditional: 106, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1773, independent: 1392, independent conditional: 0, independent unconditional: 1392, dependent: 381, dependent conditional: 0, dependent unconditional: 381, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 381, independent: 156, independent conditional: 93, independent unconditional: 63, dependent: 225, dependent conditional: 106, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 381, independent: 156, independent conditional: 93, independent unconditional: 63, dependent: 225, dependent conditional: 106, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 686, independent: 300, independent conditional: 168, independent unconditional: 132, dependent: 386, dependent conditional: 178, dependent unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 44580, independent: 34227, independent conditional: 3467, independent unconditional: 30760, dependent: 8580, dependent conditional: 4199, dependent unconditional: 4381, unknown: 1773, unknown conditional: 199, unknown unconditional: 1574] , Statistics on independence cache: Total cache size (in pairs): 1773, Positive cache size: 1548, Positive conditional cache size: 93, Positive unconditional cache size: 1455, Negative cache size: 225, Negative conditional cache size: 106, Negative unconditional cache size: 119, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 34877, Maximal queried relation: 5, Independence queries for same thread: 1659 - PositiveResult [Line: 1203]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1204]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1205]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1205]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 94 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 2.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 379 NumberOfCodeBlocks, 318 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 466 ConstructedInterpolants, 5 QuantifiedInterpolants, 2225 SizeOfPredicates, 3 NumberOfNonLiveVariables, 213 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 399/444 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-07 21:17:14,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-07 21:17:14,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE