./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/arithmetic_prog_bad.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-deagle/arithmetic_prog_bad.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/arithmetic_prog_bad.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 11:40:27,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 11:40:27,664 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 11:40:27,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 11:40:27,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 11:40:27,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 11:40:27,693 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 11:40:27,693 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 11:40:27,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 11:40:27,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 11:40:27,695 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 11:40:27,695 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 11:40:27,696 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 11:40:27,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 11:40:27,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 11:40:27,697 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 11:40:27,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 11:40:27,700 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 11:40:27,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 11:40:27,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 11:40:27,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 11:40:27,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 11:40:27,701 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 11:40:27,702 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 11:40:27,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 11:40:27,702 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 11:40:27,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 11:40:27,703 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 11:40:27,703 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 11:40:27,703 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 11:40:27,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 11:40:27,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 11:40:27,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 11:40:27,705 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 11:40:27,705 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 11:40:27,705 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 11:40:27,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 11:40:27,706 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 11:40:27,706 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 11:40:27,706 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 11:40:27,707 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 11:40:27,710 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 11:40:27,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 11:40:27,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 11:40:27,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 11:40:27,999 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 11:40:28,000 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 11:40:28,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/arithmetic_prog_bad.yml/witness.yml [2024-09-08 11:40:28,180 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 11:40:28,180 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 11:40:28,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i [2024-09-08 11:40:29,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 11:40:29,832 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 11:40:29,836 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i [2024-09-08 11:40:29,857 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1a0dae494/e1d616c632334cf4a40161ef8434d9aa/FLAG4ecc71c77 [2024-09-08 11:40:29,870 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1a0dae494/e1d616c632334cf4a40161ef8434d9aa [2024-09-08 11:40:29,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 11:40:29,874 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 11:40:29,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 11:40:29,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 11:40:29,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 11:40:29,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 11:40:28" (1/2) ... [2024-09-08 11:40:29,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539f5f73 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 11:40:29, skipping insertion in model container [2024-09-08 11:40:29,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 11:40:28" (1/2) ... [2024-09-08 11:40:29,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c2fd021 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 11:40:29, skipping insertion in model container [2024-09-08 11:40:29,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:40:29" (2/2) ... [2024-09-08 11:40:29,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539f5f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:40:29, skipping insertion in model container [2024-09-08 11:40:29,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:40:29" (2/2) ... [2024-09-08 11:40:30,126 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 11:40:30,127 INFO L1541 ArrayList]: Location invariant before [L914-L914] ((! multithreaded || (flag == 0 || flag == 1)) && (! multithreaded || (m_locked || (num == 0 || num == 1)))) && (! multithreaded || (num == 0 || num == 1)) [2024-09-08 11:40:30,127 INFO L1541 ArrayList]: Location invariant before [L915-L915] ((! multithreaded || (flag == 0 || flag == 1)) && (! multithreaded || (m_locked || (num == 0 || num == 1)))) && (! multithreaded || (num == 0 || num == 1)) [2024-09-08 11:40:30,127 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 11:40:30,127 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-09-08 11:40:30,127 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,127 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,127 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,128 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,128 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,128 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,128 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,128 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,128 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,128 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,128 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,128 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,128 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,129 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,129 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,129 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,129 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,129 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,129 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,130 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,130 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,130 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,130 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,131 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,131 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,131 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,131 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,132 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,132 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,132 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,132 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,132 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,133 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,133 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,133 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,133 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,133 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,135 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,135 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,135 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,135 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,135 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,135 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,135 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,136 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,136 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,136 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,136 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,136 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,136 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,136 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,136 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,136 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,136 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,137 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,137 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,137 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,137 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,137 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,137 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,137 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,137 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,137 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,137 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,137 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,138 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,138 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,138 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,138 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,138 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,138 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,138 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,138 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,138 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,138 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,138 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,138 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,139 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,139 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,139 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,139 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,139 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,141 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,141 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,141 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,141 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,141 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,141 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,142 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,142 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,142 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,142 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,142 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,142 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,142 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,142 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,143 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,143 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,143 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,143 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,143 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,143 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,143 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 11:40:30,144 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 11:40:30,144 INFO L1541 ArrayList]: ghost_update [L879-L879] m_locked = 1; [2024-09-08 11:40:30,144 INFO L1541 ArrayList]: ghost_update [L879-L879] m_locked = 1; [2024-09-08 11:40:30,144 INFO L1541 ArrayList]: ghost_update [L913-L913] multithreaded = 1; [2024-09-08 11:40:30,145 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,145 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,145 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,145 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,145 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,145 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,146 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,146 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,146 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,146 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,146 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,146 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,146 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,146 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,147 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,147 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,147 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,147 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,147 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,147 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,147 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,147 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,147 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,147 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,148 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,148 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,148 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,148 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,148 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,148 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,148 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,148 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,148 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,148 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,148 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,148 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,149 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,149 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,149 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,149 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,149 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,149 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,151 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,151 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,151 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,151 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,151 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,151 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,151 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,152 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,152 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,152 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,152 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,152 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,153 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,153 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,153 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,153 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,154 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,154 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,154 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,154 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,154 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,154 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,155 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,155 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,155 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,155 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,155 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,156 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,156 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,156 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,156 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,157 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,158 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,158 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,158 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,158 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,158 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,158 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,158 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,158 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,158 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,159 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,159 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,159 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,159 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,159 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,159 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,159 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,159 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,159 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,159 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,159 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,159 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,159 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,159 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,160 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,160 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,160 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,160 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,160 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,160 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 11:40:30,160 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 11:40:30,160 INFO L1541 ArrayList]: ghost_update [L893-L893] m_locked = 1; [2024-09-08 11:40:30,160 INFO L1541 ArrayList]: ghost_update [L893-L893] m_locked = 1; [2024-09-08 11:40:30,160 INFO L1541 ArrayList]: ghost_update [L883-L883] m_locked = 0; [2024-09-08 11:40:30,161 INFO L1541 ArrayList]: ghost_update [L883-L883] m_locked = 0; [2024-09-08 11:40:30,161 INFO L1541 ArrayList]: ghost_update [L898-L898] m_locked = 0; [2024-09-08 11:40:30,161 INFO L1541 ArrayList]: ghost_update [L898-L898] m_locked = 0; [2024-09-08 11:40:30,211 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 11:40:30,546 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-deagle/arithmetic_prog_bad.i[39758,39771] [2024-09-08 11:40:30,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 11:40:30,568 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 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 11:40:30,732 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-deagle/arithmetic_prog_bad.i[39758,39771] [2024-09-08 11:40:30,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 11:40:30,793 INFO L204 MainTranslator]: Completed translation [2024-09-08 11:40:30,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:40:30 WrapperNode [2024-09-08 11:40:30,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 11:40:30,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 11:40:30,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 11:40:30,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 11:40:30,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:40:30" (1/1) ... [2024-09-08 11:40:30,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:40:30" (1/1) ... [2024-09-08 11:40:30,837 INFO L138 Inliner]: procedures = 243, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2024-09-08 11:40:30,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 11:40:30,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 11:40:30,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 11:40:30,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 11:40:30,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:40:30" (1/1) ... [2024-09-08 11:40:30,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:40:30" (1/1) ... [2024-09-08 11:40:30,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:40:30" (1/1) ... [2024-09-08 11:40:30,866 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:40:30" (1/1) ... [2024-09-08 11:40:30,888 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:40:30" (1/1) ... [2024-09-08 11:40:30,897 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:40:30" (1/1) ... [2024-09-08 11:40:30,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:40:30" (1/1) ... [2024-09-08 11:40:30,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:40:30" (1/1) ... [2024-09-08 11:40:30,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 11:40:30,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 11:40:30,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 11:40:30,924 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 11:40:30,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:40:30" (1/1) ... [2024-09-08 11:40:30,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 11:40:30,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 11:40:30,964 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 11:40:30,968 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 11:40:31,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-09-08 11:40:31,012 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-08 11:40:31,012 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 11:40:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 11:40:31,012 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 11:40:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 11:40:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-08 11:40:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 11:40:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 11:40:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 11:40:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 11:40:31,015 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 11:40:31,136 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 11:40:31,138 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 11:40:31,530 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 11:40:31,530 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 11:40:31,731 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 11:40:31,732 INFO L318 CfgBuilder]: Removed 4 assume(true) statements. [2024-09-08 11:40:31,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:40:31 BoogieIcfgContainer [2024-09-08 11:40:31,732 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 11:40:31,735 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 11:40:31,737 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 11:40:31,740 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 11:40:31,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 11:40:28" (1/4) ... [2024-09-08 11:40:31,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1244b5f4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 11:40:31, skipping insertion in model container [2024-09-08 11:40:31,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 11:40:29" (2/4) ... [2024-09-08 11:40:31,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1244b5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:40:31, skipping insertion in model container [2024-09-08 11:40:31,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:40:30" (3/4) ... [2024-09-08 11:40:31,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1244b5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:40:31, skipping insertion in model container [2024-09-08 11:40:31,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:40:31" (4/4) ... [2024-09-08 11:40:31,745 INFO L112 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_bad.i [2024-09-08 11:40:31,761 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 11:40:31,762 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-09-08 11:40:31,762 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 11:40:31,801 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-09-08 11:40:31,842 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 11:40:31,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 11:40:31,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 11:40:31,843 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 11:40:31,844 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 11:40:31,872 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 11:40:31,885 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 11:40:31,895 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;@25dbfafc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 11:40:31,895 INFO L337 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-09-08 11:40:32,017 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 11:40:32,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 11:40:32,024 INFO L85 PathProgramCache]: Analyzing trace with hash 2042048713, now seen corresponding path program 1 times [2024-09-08 11:40:32,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 11:40:32,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974599070] [2024-09-08 11:40:32,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 11:40:32,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 11:40:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 11:40:32,426 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 11:40:32,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 11:40:32,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974599070] [2024-09-08 11:40:32,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974599070] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 11:40:32,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 11:40:32,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-08 11:40:32,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75154928] [2024-09-08 11:40:32,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 11:40:32,434 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 11:40:32,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 11:40:32,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 11:40:32,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 11:40:32,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 11:40:32,463 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 11:40:32,464 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) [2024-09-08 11:40:32,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 11:40:32,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:40:32,701 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 11:40:32,701 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 11:40:32,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 11:40:32,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1419834956, now seen corresponding path program 1 times [2024-09-08 11:40:32,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 11:40:32,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566890121] [2024-09-08 11:40:32,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 11:40:32,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 11:40:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 11:40:32,927 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-09-08 11:40:32,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 11:40:32,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566890121] [2024-09-08 11:40:32,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566890121] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 11:40:32,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 11:40:32,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 11:40:32,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953777433] [2024-09-08 11:40:32,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 11:40:32,931 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 11:40:32,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 11:40:32,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 11:40:32,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 11:40:32,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 11:40:32,933 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 11:40:32,935 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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 11:40:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:40:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 11:40:33,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:40:33,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 11:40:33,101 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 11:40:33,102 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 11:40:33,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 11:40:33,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1988376473, now seen corresponding path program 2 times [2024-09-08 11:40:33,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 11:40:33,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123582105] [2024-09-08 11:40:33,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 11:40:33,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 11:40:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 11:40:33,350 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-09-08 11:40:33,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 11:40:33,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123582105] [2024-09-08 11:40:33,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123582105] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 11:40:33,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 11:40:33,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 11:40:33,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491945509] [2024-09-08 11:40:33,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 11:40:33,352 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 11:40:33,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 11:40:33,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 11:40:33,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 11:40:33,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 11:40:33,353 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 11:40:33,353 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 11:40:33,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:40:33,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 11:40:33,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 11:40:33,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:40:33,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 11:40:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:40:33,484 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-08 11:40:33,484 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 11:40:33,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 11:40:33,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1157333755, now seen corresponding path program 1 times [2024-09-08 11:40:33,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 11:40:33,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988305656] [2024-09-08 11:40:33,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 11:40:33,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 11:40:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 11:40:33,609 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-08 11:40:33,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 11:40:33,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988305656] [2024-09-08 11:40:33,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988305656] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 11:40:33,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433999214] [2024-09-08 11:40:33,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 11:40:33,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 11:40:33,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 11:40:33,635 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 11:40:33,650 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 11:40:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 11:40:33,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-08 11:40:33,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 11:40:33,880 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-09-08 11:40:33,884 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 11:40:33,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433999214] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 11:40:33,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 11:40:33,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2024-09-08 11:40:33,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256694405] [2024-09-08 11:40:33,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 11:40:33,885 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 11:40:33,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 11:40:33,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 11:40:33,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-09-08 11:40:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 11:40:33,886 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 11:40:33,886 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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 11:40:33,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:40:33,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 11:40:33,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:40:33,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 11:40:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:40:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 11:40:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:40:33,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 11:40:33,983 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 11:40:34,166 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 11:40:34,167 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 11:40:34,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 11:40:34,167 INFO L85 PathProgramCache]: Analyzing trace with hash -254698185, now seen corresponding path program 3 times [2024-09-08 11:40:34,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 11:40:34,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200766870] [2024-09-08 11:40:34,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 11:40:34,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 11:40:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 11:40:34,343 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 51 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-09-08 11:40:34,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 11:40:34,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200766870] [2024-09-08 11:40:34,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200766870] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 11:40:34,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389735654] [2024-09-08 11:40:34,345 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 11:40:34,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 11:40:34,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 11:40:34,351 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 11:40:34,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-08 11:40:34,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-09-08 11:40:34,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 11:40:34,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-08 11:40:34,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 11:40:34,587 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-09-08 11:40:34,587 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 11:40:34,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389735654] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 11:40:34,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 11:40:34,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2024-09-08 11:40:34,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519693949] [2024-09-08 11:40:34,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 11:40:34,588 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 11:40:34,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 11:40:34,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 11:40:34,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-09-08 11:40:34,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 11:40:34,589 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 11:40:34,589 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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 11:40:34,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:40:34,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 11:40:34,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:40:34,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 11:40:34,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 11:40:34,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:40:34,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 11:40:34,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:40:34,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 11:40:34,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 11:40:34,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-09-08 11:40:34,904 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 11:40:34,904 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 11:40:34,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 11:40:34,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1276997123, now seen corresponding path program 1 times [2024-09-08 11:40:34,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 11:40:34,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658108441] [2024-09-08 11:40:34,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 11:40:34,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 11:40:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 11:40:35,033 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-09-08 11:40:35,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 11:40:35,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658108441] [2024-09-08 11:40:35,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658108441] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 11:40:35,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938366186] [2024-09-08 11:40:35,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 11:40:35,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 11:40:35,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 11:40:35,036 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 11:40:35,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-08 11:40:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 11:40:35,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-08 11:40:35,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 11:40:35,236 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-09-08 11:40:35,237 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 11:40:35,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938366186] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 11:40:35,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 11:40:35,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-09-08 11:40:35,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698731343] [2024-09-08 11:40:35,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 11:40:35,238 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 11:40:35,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 11:40:35,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 11:40:35,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-09-08 11:40:35,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 11:40:35,239 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 11:40:35,239 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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 11:40:35,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:40:35,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 11:40:35,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:40:35,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 11:40:35,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 11:40:35,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 11:40:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:40:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 11:40:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 11:40:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 11:40:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 11:40:35,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 11:40:35,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-08 11:40:35,512 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 11:40:35,513 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 11:40:35,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 11:40:35,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1608672867, now seen corresponding path program 1 times [2024-09-08 11:40:35,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 11:40:35,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574121724] [2024-09-08 11:40:35,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 11:40:35,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 11:40:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-08 11:40:35,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-09-08 11:40:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-08 11:40:35,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-09-08 11:40:35,597 INFO L326 BasicCegarLoop]: Counterexample is feasible [2024-09-08 11:40:35,598 INFO L785 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-09-08 11:40:35,599 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-09-08 11:40:35,600 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 5 remaining) [2024-09-08 11:40:35,600 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-09-08 11:40:35,600 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-09-08 11:40:35,600 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-08 11:40:35,606 INFO L408 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2024-09-08 11:40:35,683 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 11:40:35,683 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 11:40:35,686 INFO L469 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-09-08 11:40:35,686 INFO L470 ceAbstractionStarter]: WitnessConsidered=2 [2024-09-08 11:40:35,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 11:40:35 BasicIcfg [2024-09-08 11:40:35,687 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 11:40:35,687 INFO L158 Benchmark]: Toolchain (without parser) took 5813.63ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 72.3MB in the beginning and 69.4MB in the end (delta: 2.9MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2024-09-08 11:40:35,687 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 157.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 11:40:35,687 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 157.3MB. Free memory is still 118.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 11:40:35,688 INFO L158 Benchmark]: CACSL2BoogieTranslator took 919.01ms. Allocated memory is still 157.3MB. Free memory was 72.0MB in the beginning and 124.3MB in the end (delta: -52.3MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2024-09-08 11:40:35,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.88ms. Allocated memory is still 157.3MB. Free memory was 124.3MB in the beginning and 122.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 11:40:35,688 INFO L158 Benchmark]: Boogie Preprocessor took 84.78ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 122.2MB in the beginning and 155.7MB in the end (delta: -33.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-08 11:40:35,689 INFO L158 Benchmark]: RCFGBuilder took 808.74ms. Allocated memory is still 188.7MB. Free memory was 155.7MB in the beginning and 96.0MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-09-08 11:40:35,689 INFO L158 Benchmark]: TraceAbstraction took 3951.57ms. Allocated memory is still 188.7MB. Free memory was 94.9MB in the beginning and 69.4MB in the end (delta: 25.5MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2024-09-08 11:40:35,690 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.22ms. Allocated memory is still 157.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 157.3MB. Free memory is still 118.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 919.01ms. Allocated memory is still 157.3MB. Free memory was 72.0MB in the beginning and 124.3MB in the end (delta: -52.3MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.88ms. Allocated memory is still 157.3MB. Free memory was 124.3MB in the beginning and 122.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 84.78ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 122.2MB in the beginning and 155.7MB in the end (delta: -33.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 808.74ms. Allocated memory is still 188.7MB. Free memory was 155.7MB in the beginning and 96.0MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3951.57ms. Allocated memory is still 188.7MB. Free memory was 94.9MB in the beginning and 69.4MB in the end (delta: 25.5MB). Peak memory consumption was 27.6MB. 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: 1694, independent: 1285, independent conditional: 723, independent unconditional: 562, dependent: 409, dependent conditional: 381, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1357, independent: 1285, independent conditional: 723, independent unconditional: 562, dependent: 72, dependent conditional: 44, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1357, independent: 1285, independent conditional: 723, independent unconditional: 562, dependent: 72, dependent conditional: 44, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1456, independent: 1285, independent conditional: 723, independent unconditional: 562, dependent: 171, dependent conditional: 143, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1456, independent: 1285, independent conditional: 6, independent unconditional: 1279, dependent: 171, dependent conditional: 36, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1456, independent: 1285, independent conditional: 6, independent unconditional: 1279, dependent: 171, dependent conditional: 36, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 501, independent: 456, independent conditional: 1, independent unconditional: 455, dependent: 45, dependent conditional: 14, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 501, independent: 435, independent conditional: 0, independent unconditional: 435, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 21, independent conditional: 1, independent unconditional: 20, dependent: 45, dependent conditional: 14, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 21, independent conditional: 1, independent unconditional: 20, dependent: 45, dependent conditional: 14, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 212, independent: 92, independent conditional: 5, independent unconditional: 87, dependent: 120, dependent conditional: 44, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1456, independent: 829, independent conditional: 5, independent unconditional: 824, dependent: 126, dependent conditional: 22, dependent unconditional: 104, unknown: 501, unknown conditional: 15, unknown unconditional: 486] , Statistics on independence cache: Total cache size (in pairs): 501, Positive cache size: 456, Positive conditional cache size: 1, Positive unconditional cache size: 455, Negative cache size: 45, Negative conditional cache size: 14, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 824, Maximal queried relation: 5, Independence queries for same thread: 337, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 114, Number of trivial persistent sets: 91, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 590, independent: 562, independent conditional: 0, independent unconditional: 562, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1694, independent: 1285, independent conditional: 723, independent unconditional: 562, dependent: 409, dependent conditional: 381, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1357, independent: 1285, independent conditional: 723, independent unconditional: 562, dependent: 72, dependent conditional: 44, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1357, independent: 1285, independent conditional: 723, independent unconditional: 562, dependent: 72, dependent conditional: 44, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1456, independent: 1285, independent conditional: 723, independent unconditional: 562, dependent: 171, dependent conditional: 143, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1456, independent: 1285, independent conditional: 6, independent unconditional: 1279, dependent: 171, dependent conditional: 36, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1456, independent: 1285, independent conditional: 6, independent unconditional: 1279, dependent: 171, dependent conditional: 36, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 501, independent: 456, independent conditional: 1, independent unconditional: 455, dependent: 45, dependent conditional: 14, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 501, independent: 435, independent conditional: 0, independent unconditional: 435, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 21, independent conditional: 1, independent unconditional: 20, dependent: 45, dependent conditional: 14, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 21, independent conditional: 1, independent unconditional: 20, dependent: 45, dependent conditional: 14, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 212, independent: 92, independent conditional: 5, independent unconditional: 87, dependent: 120, dependent conditional: 44, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1456, independent: 829, independent conditional: 5, independent unconditional: 824, dependent: 126, dependent conditional: 22, dependent unconditional: 104, unknown: 501, unknown conditional: 15, unknown unconditional: 486] , Statistics on independence cache: Total cache size (in pairs): 501, Positive cache size: 456, Positive conditional cache size: 1, Positive unconditional cache size: 455, Negative cache size: 45, Negative conditional cache size: 14, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 824, Maximal queried relation: 5, Independence queries for same thread: 337 - CounterExampleResult [Line: 919]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L870] 0 int num; [L871] 0 unsigned long total; [L872] 0 int flag; [L873] 0 pthread_mutex_t m; [L874] 0 pthread_cond_t empty, full; [L1] 0 //@ ghost int multithreaded = 0; [L1] 0 //@ ghost int m_locked = 0; [L907] 0 pthread_t t1, t2; [L908] 0 num = 0 [L909] 0 total = 0 [L913] 0 //@ ghost multithreaded = 1; VAL [flag=0, m={3:0}, num=0, t1=-2, total=0] [L913] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [\old(arg)={0:0}, flag=0, m={3:0}, num=0, t1=-2, total=0] [L876] 1 int i; [L877] 1 i = 0 VAL [\old(arg)={0:0}, arg={0:0}, flag=0, i=0, m={3:0}, num=0, total=0] [L914] 0 //@ assert (((!multithreaded || ((flag == 0) || (flag == 1))) && (!multithreaded || (m_locked || ((num == 0) || (num == 1))))) && (!multithreaded || ((num == 0) || (num == 1)))); VAL [\old(arg)={0:0}, arg={0:0}, flag=0, i=0, m={3:0}, num=0, t1=-2, total=0] [L914] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, flag=0, i=0, m={3:0}, num=0, t1=-2, t2=-1, total=0] [L890] 2 int j; [L891] 2 j = 0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=0, j=0, m={3:0}, num=0, total=0] [L915] 0 //@ assert (((!multithreaded || ((flag == 0) || (flag == 1))) && (!multithreaded || (m_locked || ((num == 0) || (num == 1))))) && (!multithreaded || ((num == 0) || (num == 1)))); VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=0, j=0, m={3:0}, num=0, t1=-2, t2=-1, total=0] [L878] COND TRUE 1 i < 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=0, j=0, m={3:0}, num=0, total=0] [L879] 1 //@ ghost m_locked = 1; [L879] 1 //@ ghost m_locked = 1; [L892] COND TRUE 2 j < 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=0, j=0, m={3:0}, num=0, total=0] [L880] COND FALSE 1 !(num > 0) [L882] 1 num++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=0, j=0, m={3:0}, num=1, total=0] [L883] 1 //@ ghost m_locked = 0; [L883] 1 //@ ghost m_locked = 0; [L893] 2 //@ ghost m_locked = 1; [L893] 2 //@ ghost m_locked = 1; [L885] 1 i++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=1, j=0, m={3:0}, num=1, total=0] [L894] COND FALSE 2 !(num == 0) [L896] 2 total = total + j [L897] 2 num-- VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=1, j=0, m={3:0}, num=0, total=0] [L898] 2 //@ ghost m_locked = 0; [L898] 2 //@ ghost m_locked = 0; [L900] 2 j++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=1, j=1, m={3:0}, num=0, total=0] [L878] COND TRUE 1 i < 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=1, j=1, m={3:0}, num=0, total=0] [L879] 1 //@ ghost m_locked = 1; [L879] 1 //@ ghost m_locked = 1; [L892] COND TRUE 2 j < 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=1, j=1, m={3:0}, num=0, total=0] [L880] COND FALSE 1 !(num > 0) [L882] 1 num++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=1, j=1, m={3:0}, num=1, total=0] [L883] 1 //@ ghost m_locked = 0; [L883] 1 //@ ghost m_locked = 0; [L893] 2 //@ ghost m_locked = 1; [L893] 2 //@ ghost m_locked = 1; [L885] 1 i++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=2, j=1, m={3:0}, num=1, total=0] [L894] COND FALSE 2 !(num == 0) [L896] 2 total = total + j [L897] 2 num-- VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=2, j=1, m={3:0}, num=0, total=1] [L898] 2 //@ ghost m_locked = 0; [L898] 2 //@ ghost m_locked = 0; [L900] 2 j++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=2, j=2, m={3:0}, num=0, total=1] [L878] COND TRUE 1 i < 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=2, j=2, m={3:0}, num=0, total=1] [L879] 1 //@ ghost m_locked = 1; [L879] 1 //@ ghost m_locked = 1; [L892] COND TRUE 2 j < 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=2, j=2, m={3:0}, num=0, total=1] [L880] COND FALSE 1 !(num > 0) [L882] 1 num++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=2, j=2, m={3:0}, num=1, total=1] [L883] 1 //@ ghost m_locked = 0; [L883] 1 //@ ghost m_locked = 0; [L893] 2 //@ ghost m_locked = 1; [L893] 2 //@ ghost m_locked = 1; [L885] 1 i++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=3, j=2, m={3:0}, num=1, total=1] [L894] COND FALSE 2 !(num == 0) [L896] 2 total = total + j [L897] 2 num-- VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=3, j=2, m={3:0}, num=0, total=3] [L898] 2 //@ ghost m_locked = 0; [L898] 2 //@ ghost m_locked = 0; [L900] 2 j++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=3, j=3, m={3:0}, num=0, total=3] [L878] COND FALSE 1 !(i < 3) [L887] 1 return ((void *)0); [L915] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=0, i=3, j=3, m={3:0}, num=0, t1=-2, t2=-1, total=3] [L892] COND FALSE 2 !(j < 3) [L902] 2 total = total + j [L903] 2 flag = 1 [L904] 2 return ((void *)0); [L916] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=1, i=3, j=3, m={3:0}, num=0, t1=-2, t2=-1, total=6] [L917] COND TRUE 0 \read(flag) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=1, i=3, j=3, m={3:0}, num=0, t1=-2, t2=-1, total=6] [L918] COND FALSE 0 !(total != ((3 * (3 + 1)) / 2)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=1, i=3, j=3, m={3:0}, num=0, t1=-2, t2=-1, total=6] [L919] 0 reach_error() VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=1, i=3, j=3, m={3:0}, num=0, t1=-2, t2=-1, total=6] - UnprovableResult [Line: 914]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 915]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 914]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 913]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 61 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 531 NumberOfCodeBlocks, 531 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 468 ConstructedInterpolants, 0 QuantifiedInterpolants, 970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1084 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 345/391 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 RESULT: Ultimate proved your program to be incorrect! [2024-09-08 11:40:35,723 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 11:40:35,918 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE