./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/sync01.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/protection-ghost/sync01.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/pthread/sync01.i ./goblint.2024-09-02_08-21-23.files/protection-ghost/sync01.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 11:54:38,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 11:54:38,790 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 11:54:38,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 11:54:38,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 11:54:38,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 11:54:38,825 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 11:54:38,825 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 11:54:38,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 11:54:38,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 11:54:38,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 11:54:38,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 11:54:38,828 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 11:54:38,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 11:54:38,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 11:54:38,832 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 11:54:38,832 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 11:54:38,832 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 11:54:38,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 11:54:38,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 11:54:38,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 11:54:38,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 11:54:38,838 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 11:54:38,838 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 11:54:38,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 11:54:38,838 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 11:54:38,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 11:54:38,839 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 11:54:38,839 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 11:54:38,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 11:54:38,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 11:54:38,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 11:54:38,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 11:54:38,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 11:54:38,840 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 11:54:38,841 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 11:54:38,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 11:54:38,841 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 11:54:38,843 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 11:54:38,844 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 11:54:38,844 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 11:54:38,844 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 11:54:39,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 11:54:39,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 11:54:39,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 11:54:39,114 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 11:54:39,114 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 11:54:39,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2024-09-08 11:54:40,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 11:54:40,804 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 11:54:40,804 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2024-09-08 11:54:40,824 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/777c9cb7d/35f22d173fb44508a7f72888b1973b68/FLAGc333a7ad8 [2024-09-08 11:54:40,841 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/777c9cb7d/35f22d173fb44508a7f72888b1973b68 [2024-09-08 11:54:40,843 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 11:54:40,844 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 11:54:40,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/sync01.yml/witness.yml [2024-09-08 11:54:40,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 11:54:40,961 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 11:54:40,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 11:54:40,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 11:54:40,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 11:54:40,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:54:40" (1/2) ... [2024-09-08 11:54:40,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23f91082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:54:40, skipping insertion in model container [2024-09-08 11:54:40,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:54:40" (1/2) ... [2024-09-08 11:54:40,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@42e1dca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:54:40, skipping insertion in model container [2024-09-08 11:54:40,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 11:54:40" (2/2) ... [2024-09-08 11:54:40,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23f91082 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 11:54:40, skipping insertion in model container [2024-09-08 11:54:40,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 11:54:40" (2/2) ... [2024-09-08 11:54:41,132 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 11:54:41,132 INFO L1541 ArrayList]: Location invariant before [L961-L961] ! multithreaded || (0 <= num && num <= 1) [2024-09-08 11:54:41,133 INFO L1541 ArrayList]: Location invariant before [L962-L962] ! multithreaded || (0 <= num && num <= 1) [2024-09-08 11:54:41,133 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-09-08 11:54:41,133 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 11:54:41,134 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,134 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,134 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,134 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,134 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,134 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,135 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,135 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,135 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,135 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,135 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,135 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,136 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,136 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,136 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,136 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,136 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,136 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,137 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,137 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,137 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,137 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,138 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,138 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,138 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,139 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,139 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,139 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,139 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,139 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,139 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,140 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,140 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,140 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,140 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,140 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,140 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,140 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,140 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,140 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,141 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,141 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,141 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,141 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,141 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,141 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,141 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,141 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,141 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,142 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,142 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 11:54:41,142 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 11:54:41,142 INFO L1541 ArrayList]: ghost_update [L949-L949] m_locked = 0; [2024-09-08 11:54:41,144 INFO L1541 ArrayList]: ghost_update [L960-L960] multithreaded = 1; [2024-09-08 11:54:41,144 INFO L1541 ArrayList]: ghost_update [L939-L939] m_locked = 0; [2024-09-08 11:54:41,145 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,145 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,146 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,146 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,146 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,146 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,146 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,146 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,146 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,147 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,147 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,147 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,147 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,147 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,147 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,148 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,148 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,148 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,148 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,148 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,148 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,149 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,149 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,149 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,149 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,149 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,149 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,149 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,150 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,150 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,150 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,150 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,150 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,150 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,151 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,151 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,151 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,151 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,151 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,151 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,152 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,152 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,152 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,152 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,152 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,152 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,152 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,165 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,165 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,167 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,167 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 11:54:41,167 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 11:54:41,167 INFO L1541 ArrayList]: ghost_update [L935-L935] m_locked = 1; [2024-09-08 11:54:41,167 INFO L1541 ArrayList]: ghost_update [L945-L945] m_locked = 1; [2024-09-08 11:54:41,209 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 11:54:41,678 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017] [2024-09-08 11:54:41,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 11:54:41,696 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 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 [2024-09-08 11:54:41,806 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017] [2024-09-08 11:54:41,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 11:54:41,856 INFO L204 MainTranslator]: Completed translation [2024-09-08 11:54:41,856 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 11:54:41 WrapperNode [2024-09-08 11:54:41,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 11:54:41,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 11:54:41,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 11:54:41,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 11:54:41,865 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 11:54:41" (1/1) ... [2024-09-08 11:54:41,884 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 11:54:41" (1/1) ... [2024-09-08 11:54:41,903 INFO L138 Inliner]: procedures = 268, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2024-09-08 11:54:41,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 11:54:41,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 11:54:41,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 11:54:41,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 11:54:41,914 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 11:54:41" (1/1) ... [2024-09-08 11:54:41,914 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 11:54:41" (1/1) ... [2024-09-08 11:54:41,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 11:54:41" (1/1) ... [2024-09-08 11:54:41,918 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 11:54:41" (1/1) ... [2024-09-08 11:54:41,926 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 11:54:41" (1/1) ... [2024-09-08 11:54:41,931 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 11:54:41" (1/1) ... [2024-09-08 11:54:41,933 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 11:54:41" (1/1) ... [2024-09-08 11:54:41,936 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 11:54:41" (1/1) ... [2024-09-08 11:54:41,939 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 11:54:41,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 11:54:41,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 11:54:41,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 11:54:41,941 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 11:54:41" (1/1) ... [2024-09-08 11:54:41,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 11:54:41,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 11:54:41,970 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 11:54:41,972 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 11:54:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-08 11:54:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 11:54:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 11:54:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 11:54:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 11:54:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-08 11:54:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 11:54:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 11:54:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 11:54:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 11:54:42,016 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 11:54:42,128 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 11:54:42,130 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 11:54:42,424 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 11:54:42,424 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 11:54:42,603 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 11:54:42,603 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-08 11:54:42,604 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:54:42 BoogieIcfgContainer [2024-09-08 11:54:42,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 11:54:42,606 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 11:54:42,606 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 11:54:42,610 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 11:54:42,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 11:54:40" (1/4) ... [2024-09-08 11:54:42,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce68b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:54:42, skipping insertion in model container [2024-09-08 11:54:42,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 11:54:40" (2/4) ... [2024-09-08 11:54:42,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce68b0d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 11:54:42, skipping insertion in model container [2024-09-08 11:54:42,612 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 11:54:41" (3/4) ... [2024-09-08 11:54:42,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce68b0d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 11:54:42, skipping insertion in model container [2024-09-08 11:54:42,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:54:42" (4/4) ... [2024-09-08 11:54:42,615 INFO L112 eAbstractionObserver]: Analyzing ICFG sync01.i [2024-09-08 11:54:42,631 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 11:54:42,632 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-09-08 11:54:42,632 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 11:54:42,677 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-09-08 11:54:42,718 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 11:54:42,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 11:54:42,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 11:54:42,721 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 11:54:42,723 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 11:54:42,753 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 11:54:42,768 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 11:54:42,773 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;@2b3271b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 11:54:42,773 INFO L337 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-09-08 11:54:42,850 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 11:54:42,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 11:54:42,855 INFO L85 PathProgramCache]: Analyzing trace with hash 623822685, now seen corresponding path program 1 times [2024-09-08 11:54:42,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 11:54:42,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863833078] [2024-09-08 11:54:42,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 11:54:42,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 11:54:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 11:54:43,291 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 11:54:43,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 11:54:43,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863833078] [2024-09-08 11:54:43,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863833078] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 11:54:43,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 11:54:43,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-08 11:54:43,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721550532] [2024-09-08 11:54:43,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 11:54:43,348 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 11:54:43,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 11:54:43,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 11:54:43,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 11:54:43,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 11:54:43,380 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 11:54:43,381 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 11:54:43,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 11:54:43,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:54:43,532 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 11:54:43,532 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 11:54:43,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 11:54:43,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1827417460, now seen corresponding path program 1 times [2024-09-08 11:54:43,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 11:54:43,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544983320] [2024-09-08 11:54:43,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 11:54:43,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 11:54:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 11:54:43,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 11:54:43,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 11:54:43,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544983320] [2024-09-08 11:54:43,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544983320] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 11:54:43,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 11:54:43,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 11:54:43,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238235312] [2024-09-08 11:54:43,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 11:54:43,789 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 11:54:43,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 11:54:43,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 11:54:43,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 11:54:43,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 11:54:43,791 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 11:54:43,792 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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 11:54:43,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:54:43,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 11:54:43,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:54:43,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:54:43,876 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 11:54:43,876 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 11:54:43,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 11:54:43,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1219376624, now seen corresponding path program 2 times [2024-09-08 11:54:43,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 11:54:43,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212296995] [2024-09-08 11:54:43,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 11:54:43,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 11:54:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 11:54:44,035 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 11:54:44,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 11:54:44,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212296995] [2024-09-08 11:54:44,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212296995] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 11:54:44,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845740855] [2024-09-08 11:54:44,036 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 11:54:44,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 11:54:44,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 11:54:44,058 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 11:54:44,060 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 11:54:44,176 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 11:54:44,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 11:54:44,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-08 11:54:44,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 11:54:44,243 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 11:54:44,243 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 11:54:44,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845740855] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 11:54:44,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 11:54:44,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3] total 5 [2024-09-08 11:54:44,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106972514] [2024-09-08 11:54:44,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 11:54:44,245 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 11:54:44,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 11:54:44,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 11:54:44,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-09-08 11:54:44,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 11:54:44,247 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 11:54:44,247 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 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 11:54:44,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:54:44,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:54:44,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 11:54:44,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:54:44,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:54:44,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 11:54:44,426 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining) [2024-09-08 11:54:44,428 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-09-08 11:54:44,429 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-09-08 11:54:44,429 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-09-08 11:54:44,429 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-09-08 11:54:44,447 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 11:54:44,634 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,SelfDestructingSolverStorable2 [2024-09-08 11:54:44,639 INFO L408 BasicCegarLoop]: Path program histogram: [2, 1] [2024-09-08 11:54:44,642 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 11:54:44,642 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 11:54:44,644 INFO L469 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-09-08 11:54:44,644 INFO L470 ceAbstractionStarter]: WitnessConsidered=2 [2024-09-08 11:54:44,645 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 11:54:44 BasicIcfg [2024-09-08 11:54:44,645 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 11:54:44,646 INFO L158 Benchmark]: Toolchain (without parser) took 3684.63ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 92.7MB in the beginning and 63.8MB in the end (delta: 29.0MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-09-08 11:54:44,646 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 155.2MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 11:54:44,646 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 155.2MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 11:54:44,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 894.79ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 92.4MB in the beginning and 137.0MB in the end (delta: -44.6MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2024-09-08 11:54:44,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.40ms. Allocated memory is still 197.1MB. Free memory was 137.0MB in the beginning and 133.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-08 11:54:44,647 INFO L158 Benchmark]: Boogie Preprocessor took 34.18ms. Allocated memory is still 197.1MB. Free memory was 133.8MB in the beginning and 131.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 11:54:44,647 INFO L158 Benchmark]: RCFGBuilder took 664.45ms. Allocated memory is still 197.1MB. Free memory was 131.7MB in the beginning and 86.6MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-08 11:54:44,648 INFO L158 Benchmark]: TraceAbstraction took 2039.19ms. Allocated memory is still 197.1MB. Free memory was 86.6MB in the beginning and 63.8MB in the end (delta: 22.9MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-09-08 11:54:44,649 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 155.2MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 155.2MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 894.79ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 92.4MB in the beginning and 137.0MB in the end (delta: -44.6MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.40ms. Allocated memory is still 197.1MB. Free memory was 137.0MB in the beginning and 133.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.18ms. Allocated memory is still 197.1MB. Free memory was 133.8MB in the beginning and 131.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 664.45ms. Allocated memory is still 197.1MB. Free memory was 131.7MB in the beginning and 86.6MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2039.19ms. Allocated memory is still 197.1MB. Free memory was 86.6MB in the beginning and 63.8MB in the end (delta: 22.9MB). Peak memory consumption was 21.8MB. 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: 833, independent: 747, independent conditional: 313, independent unconditional: 434, dependent: 86, dependent conditional: 66, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 783, independent: 747, independent conditional: 313, independent unconditional: 434, dependent: 36, dependent conditional: 16, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 783, independent: 747, independent conditional: 313, independent unconditional: 434, dependent: 36, dependent conditional: 16, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 817, independent: 747, independent conditional: 313, independent unconditional: 434, dependent: 70, dependent conditional: 50, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 817, independent: 747, independent conditional: 6, independent unconditional: 741, dependent: 70, dependent conditional: 15, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 817, independent: 747, independent conditional: 6, independent unconditional: 741, dependent: 70, dependent conditional: 15, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 443, independent: 417, independent conditional: 3, independent unconditional: 414, dependent: 26, dependent conditional: 5, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 443, independent: 403, independent conditional: 0, independent unconditional: 403, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 40, independent: 14, independent conditional: 3, independent unconditional: 11, dependent: 26, dependent conditional: 5, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 14, independent conditional: 3, independent unconditional: 11, dependent: 26, dependent conditional: 5, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, independent: 57, independent conditional: 10, independent unconditional: 47, dependent: 71, dependent conditional: 16, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 817, independent: 330, independent conditional: 3, independent unconditional: 327, dependent: 44, dependent conditional: 10, dependent unconditional: 34, unknown: 443, unknown conditional: 8, unknown unconditional: 435] , Statistics on independence cache: Total cache size (in pairs): 443, Positive cache size: 417, Positive conditional cache size: 3, Positive unconditional cache size: 414, Negative cache size: 26, Negative conditional cache size: 5, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 342, Maximal queried relation: 3, Independence queries for same thread: 50, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 147, Number of trivial persistent sets: 135, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 454, independent: 434, independent conditional: 0, independent unconditional: 434, 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: 833, independent: 747, independent conditional: 313, independent unconditional: 434, dependent: 86, dependent conditional: 66, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 783, independent: 747, independent conditional: 313, independent unconditional: 434, dependent: 36, dependent conditional: 16, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 783, independent: 747, independent conditional: 313, independent unconditional: 434, dependent: 36, dependent conditional: 16, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 817, independent: 747, independent conditional: 313, independent unconditional: 434, dependent: 70, dependent conditional: 50, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 817, independent: 747, independent conditional: 6, independent unconditional: 741, dependent: 70, dependent conditional: 15, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 817, independent: 747, independent conditional: 6, independent unconditional: 741, dependent: 70, dependent conditional: 15, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 443, independent: 417, independent conditional: 3, independent unconditional: 414, dependent: 26, dependent conditional: 5, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 443, independent: 403, independent conditional: 0, independent unconditional: 403, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 40, independent: 14, independent conditional: 3, independent unconditional: 11, dependent: 26, dependent conditional: 5, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 14, independent conditional: 3, independent unconditional: 11, dependent: 26, dependent conditional: 5, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, independent: 57, independent conditional: 10, independent unconditional: 47, dependent: 71, dependent conditional: 16, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 817, independent: 330, independent conditional: 3, independent unconditional: 327, dependent: 44, dependent conditional: 10, dependent unconditional: 34, unknown: 443, unknown conditional: 8, unknown unconditional: 435] , Statistics on independence cache: Total cache size (in pairs): 443, Positive cache size: 417, Positive conditional cache size: 3, Positive unconditional cache size: 414, Negative cache size: 26, Negative conditional cache size: 5, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 342, Maximal queried relation: 3, Independence queries for same thread: 50 - PositiveResult [Line: 961]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 962]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 966]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 56 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.5s, 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: 11, 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, 0.7s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 210 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 2/3 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-08 11:54:44,693 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 [2024-09-08 11:54:44,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE