./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/protection-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/protection-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 14:18:36,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 14:18:36,863 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 14:18:36,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 14:18:36,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 14:18:36,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 14:18:36,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 14:18:36,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 14:18:36,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 14:18:36,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 14:18:36,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 14:18:36,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 14:18:36,891 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 14:18:36,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 14:18:36,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 14:18:36,892 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 14:18:36,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 14:18:36,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 14:18:36,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 14:18:36,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 14:18:36,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 14:18:36,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 14:18:36,895 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 14:18:36,895 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 14:18:36,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 14:18:36,896 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 14:18:36,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 14:18:36,896 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 14:18:36,897 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 14:18:36,897 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 14:18:36,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 14:18:36,898 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 14:18:36,898 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 14:18:36,898 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 14:18:36,898 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 14:18:36,899 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 14:18:36,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 14:18:36,899 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 14:18:36,900 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 14:18:36,900 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 14:18:36,900 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 14:18:36,903 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 14:18:37,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 14:18:37,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 14:18:37,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 14:18:37,177 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 14:18:37,178 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 14:18:37,179 INFO L431 ainManager$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 14:18:38,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 14:18:38,861 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 14:18:38,861 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i [2024-09-08 14:18:38,882 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/381137a6f/b43b45a9d9e64fa3b4f4d2547e62f4fb/FLAG290694aaf [2024-09-08 14:18:38,895 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/381137a6f/b43b45a9d9e64fa3b4f4d2547e62f4fb [2024-09-08 14:18:38,899 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 14:18:38,900 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 14:18:38,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/arithmetic_prog_bad.yml/witness.yml [2024-09-08 14:18:39,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 14:18:39,077 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 14:18:39,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 14:18:39,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 14:18:39,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 14:18:39,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:18:38" (1/2) ... [2024-09-08 14:18:39,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b6a221e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:18:39, skipping insertion in model container [2024-09-08 14:18:39,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:18:38" (1/2) ... [2024-09-08 14:18:39,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e747a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:18:39, skipping insertion in model container [2024-09-08 14:18:39,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:18:39" (2/2) ... [2024-09-08 14:18:39,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b6a221e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:18:39, skipping insertion in model container [2024-09-08 14:18:39,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:18:39" (2/2) ... [2024-09-08 14:18:39,327 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 14:18:39,328 INFO L1541 ArrayList]: Location invariant before [L915-L915] (! multithreaded || (0 <= num && num <= 1)) && (! multithreaded || (flag == 0 || flag == 1)) [2024-09-08 14:18:39,328 INFO L1541 ArrayList]: Location invariant before [L914-L914] (! multithreaded || (0 <= num && num <= 1)) && (! multithreaded || (flag == 0 || flag == 1)) [2024-09-08 14:18:39,329 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 14:18:39,329 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-09-08 14:18:39,329 INFO L1541 ArrayList]: ghost_update [L883-L883] m_locked = 0; [2024-09-08 14:18:39,332 INFO L1541 ArrayList]: ghost_update [L883-L883] m_locked = 0; [2024-09-08 14:18:39,332 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,332 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,333 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,333 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,333 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,333 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,333 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,333 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,333 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,334 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,334 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,334 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,334 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,334 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,334 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,334 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,334 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,334 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,334 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,335 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,335 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,335 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,335 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,335 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,335 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,335 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,335 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,335 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,336 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,336 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,336 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,336 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,336 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,336 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,336 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,336 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,336 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,336 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,336 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,337 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,337 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,337 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,337 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,337 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,338 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,339 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,339 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,339 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,340 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,340 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,340 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,340 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,341 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,341 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,341 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,342 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,342 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,344 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,344 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,344 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,344 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,344 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,344 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,344 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,344 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,345 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,345 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,345 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,345 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,345 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,345 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,345 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,345 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,345 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,346 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,346 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,346 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,346 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,346 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,346 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,346 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,347 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,347 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,347 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,348 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,348 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,348 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,348 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,348 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,348 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,348 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,349 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,349 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,349 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,349 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,349 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,349 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,349 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,350 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,350 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,350 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,350 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,350 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-08 14:18:39,350 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-08 14:18:39,351 INFO L1541 ArrayList]: ghost_update [L898-L898] m_locked = 0; [2024-09-08 14:18:39,351 INFO L1541 ArrayList]: ghost_update [L898-L898] m_locked = 0; [2024-09-08 14:18:39,351 INFO L1541 ArrayList]: ghost_update [L913-L913] multithreaded = 1; [2024-09-08 14:18:39,351 INFO L1541 ArrayList]: ghost_update [L893-L893] m_locked = 1; [2024-09-08 14:18:39,352 INFO L1541 ArrayList]: ghost_update [L893-L893] m_locked = 1; [2024-09-08 14:18:39,352 INFO L1541 ArrayList]: ghost_update [L879-L879] m_locked = 1; [2024-09-08 14:18:39,352 INFO L1541 ArrayList]: ghost_update [L879-L879] m_locked = 1; [2024-09-08 14:18:39,352 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,352 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,352 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,352 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,352 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,352 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,352 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,352 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,353 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,353 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,353 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,353 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,353 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,353 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,353 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,353 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,353 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,353 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,353 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,353 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,354 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,354 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,354 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,354 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,354 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,354 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,354 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,354 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,354 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,354 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,354 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,355 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,355 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,355 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,355 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,355 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,357 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,357 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,357 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,357 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,358 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,358 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,358 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,358 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,358 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,358 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,358 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,359 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,359 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,359 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,359 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,360 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,360 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,360 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,360 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,360 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,360 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,361 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,362 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,362 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,362 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,362 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,362 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,363 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,363 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,363 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,363 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,363 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,363 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,365 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,365 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,365 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,365 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,365 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,365 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,365 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,365 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,365 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,365 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,365 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,366 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,366 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,366 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,366 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,366 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,366 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,366 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,366 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,366 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,366 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,366 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,366 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,366 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,367 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,367 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,367 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,367 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,367 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,367 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,367 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,368 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,368 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,368 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-08 14:18:39,368 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-08 14:18:39,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 14:18:39,804 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 14:18:39,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 14:18:39,823 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 14:18:39,996 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 14:18:40,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 14:18:40,063 INFO L204 MainTranslator]: Completed translation [2024-09-08 14:18:40,063 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:18:40 WrapperNode [2024-09-08 14:18:40,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 14:18:40,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 14:18:40,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 14:18:40,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 14:18:40,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:18:40" (1/1) ... [2024-09-08 14:18:40,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:18:40" (1/1) ... [2024-09-08 14:18:40,130 INFO L138 Inliner]: procedures = 243, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2024-09-08 14:18:40,132 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 14:18:40,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 14:18:40,133 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 14:18:40,133 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 14:18:40,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:18:40" (1/1) ... [2024-09-08 14:18:40,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:18:40" (1/1) ... [2024-09-08 14:18:40,147 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:18:40" (1/1) ... [2024-09-08 14:18:40,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:18:40" (1/1) ... [2024-09-08 14:18:40,166 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:18:40" (1/1) ... [2024-09-08 14:18:40,173 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:18:40" (1/1) ... [2024-09-08 14:18:40,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:18:40" (1/1) ... [2024-09-08 14:18:40,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:18:40" (1/1) ... [2024-09-08 14:18:40,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 14:18:40,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 14:18:40,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 14:18:40,193 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 14:18:40,194 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:18:40" (1/1) ... [2024-09-08 14:18:40,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 14:18:40,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:18:40,223 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 14:18:40,225 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 14:18:40,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-09-08 14:18:40,259 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-08 14:18:40,259 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 14:18:40,259 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 14:18:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 14:18:40,260 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 14:18:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-08 14:18:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 14:18:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 14:18:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 14:18:40,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 14:18:40,262 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 14:18:40,409 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 14:18:40,412 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 14:18:40,803 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 14:18:40,804 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 14:18:41,065 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 14:18:41,067 INFO L318 CfgBuilder]: Removed 4 assume(true) statements. [2024-09-08 14:18:41,080 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:18:41 BoogieIcfgContainer [2024-09-08 14:18:41,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 14:18:41,083 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 14:18:41,084 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 14:18:41,087 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 14:18:41,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 02:18:38" (1/4) ... [2024-09-08 14:18:41,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b2c5df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:18:41, skipping insertion in model container [2024-09-08 14:18:41,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:18:39" (2/4) ... [2024-09-08 14:18:41,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b2c5df and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 02:18:41, skipping insertion in model container [2024-09-08 14:18:41,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:18:40" (3/4) ... [2024-09-08 14:18:41,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b2c5df and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 02:18:41, skipping insertion in model container [2024-09-08 14:18:41,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:18:41" (4/4) ... [2024-09-08 14:18:41,092 INFO L112 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_bad.i [2024-09-08 14:18:41,118 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 14:18:41,119 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-09-08 14:18:41,119 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 14:18:41,152 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-09-08 14:18:41,195 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:18:41,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 14:18:41,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:18:41,198 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 14:18:41,199 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 14:18:41,236 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 14:18:41,250 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 14:18:41,256 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;@26219ee5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:18:41,256 INFO L337 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-09-08 14:18:41,349 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 14:18:41,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:18:41,358 INFO L85 PathProgramCache]: Analyzing trace with hash 2042048713, now seen corresponding path program 1 times [2024-09-08 14:18:41,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:18:41,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394950787] [2024-09-08 14:18:41,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:18:41,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:18:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:18:41,745 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 14:18:41,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:18:41,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394950787] [2024-09-08 14:18:41,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394950787] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:18:41,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:18:41,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-08 14:18:41,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626125046] [2024-09-08 14:18:41,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:18:41,756 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 14:18:41,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:18:41,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 14:18:41,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 14:18:41,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:18:41,778 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:18:41,779 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 14:18:41,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:18:42,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:18:42,008 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 14:18:42,008 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 14:18:42,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:18:42,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1419834956, now seen corresponding path program 1 times [2024-09-08 14:18:42,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:18:42,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064652033] [2024-09-08 14:18:42,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:18:42,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:18:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:18:42,224 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 14:18:42,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:18:42,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064652033] [2024-09-08 14:18:42,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064652033] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:18:42,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:18:42,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 14:18:42,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252979403] [2024-09-08 14:18:42,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:18:42,228 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 14:18:42,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:18:42,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 14:18:42,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 14:18:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:18:42,230 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:18:42,231 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 14:18:42,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:18:42,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:18:42,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:18:42,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:18:42,383 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 14:18:42,383 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 14:18:42,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:18:42,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1988376473, now seen corresponding path program 2 times [2024-09-08 14:18:42,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:18:42,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638748879] [2024-09-08 14:18:42,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:18:42,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:18:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:18:42,654 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 14:18:42,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:18:42,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638748879] [2024-09-08 14:18:42,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638748879] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:18:42,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:18:42,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 14:18:42,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875578293] [2024-09-08 14:18:42,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:18:42,656 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 14:18:42,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:18:42,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 14:18:42,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 14:18:42,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:18:42,657 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:18:42,658 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 14:18:42,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:18:42,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:18:42,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:18:42,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:18:42,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:18:42,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:18:42,783 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-08 14:18:42,783 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 14:18:42,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:18:42,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1157333755, now seen corresponding path program 1 times [2024-09-08 14:18:42,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:18:42,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818634551] [2024-09-08 14:18:42,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:18:42,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:18:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:18:42,923 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 14:18:42,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:18:42,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818634551] [2024-09-08 14:18:42,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818634551] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:18:42,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905832269] [2024-09-08 14:18:42,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:18:42,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:18:42,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:18:42,927 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 14:18:42,928 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 14:18:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:18:43,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-08 14:18:43,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:18:43,134 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 14:18:43,134 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 14:18:43,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905832269] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:18:43,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 14:18:43,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2024-09-08 14:18:43,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184556968] [2024-09-08 14:18:43,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:18:43,136 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 14:18:43,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:18:43,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 14:18:43,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-09-08 14:18:43,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:18:43,137 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:18:43,137 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 14:18:43,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:18:43,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:18:43,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:18:43,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:18:43,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:18:43,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:18:43,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:18:43,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:18:43,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-08 14:18:43,397 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 14:18:43,397 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 14:18:43,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:18:43,398 INFO L85 PathProgramCache]: Analyzing trace with hash -254698185, now seen corresponding path program 3 times [2024-09-08 14:18:43,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:18:43,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950323930] [2024-09-08 14:18:43,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:18:43,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:18:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:18:43,584 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 14:18:43,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:18:43,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950323930] [2024-09-08 14:18:43,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950323930] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:18:43,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556806606] [2024-09-08 14:18:43,585 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 14:18:43,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:18:43,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:18:43,587 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 14:18:43,589 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 14:18:43,775 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-09-08 14:18:43,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 14:18:43,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-08 14:18:43,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:18:43,860 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 14:18:43,861 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 14:18:43,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556806606] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:18:43,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 14:18:43,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2024-09-08 14:18:43,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783486838] [2024-09-08 14:18:43,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:18:43,864 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 14:18:43,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:18:43,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 14:18:43,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-09-08 14:18:43,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:18:43,865 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:18:43,865 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 14:18:43,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:18:43,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:18:43,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:18:43,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:18:43,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:18:43,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:18:43,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:18:43,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:18:43,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:18:43,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:18:44,000 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 14:18:44,186 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 14:18:44,187 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 14:18:44,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:18:44,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1276997123, now seen corresponding path program 1 times [2024-09-08 14:18:44,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:18:44,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137963046] [2024-09-08 14:18:44,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:18:44,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:18:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:18:44,316 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 14:18:44,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:18:44,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137963046] [2024-09-08 14:18:44,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137963046] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:18:44,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409886780] [2024-09-08 14:18:44,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:18:44,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:18:44,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:18:44,320 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 14:18:44,321 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 14:18:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:18:44,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-08 14:18:44,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:18:44,521 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 14:18:44,521 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 14:18:44,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409886780] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:18:44,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 14:18:44,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-09-08 14:18:44,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679212516] [2024-09-08 14:18:44,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:18:44,522 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 14:18:44,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:18:44,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 14:18:44,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-09-08 14:18:44,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:18:44,523 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:18:44,523 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 14:18:44,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:18:44,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:18:44,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:18:44,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:18:44,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:18:44,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:18:44,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:18:44,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:18:44,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:18:44,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:18:44,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:18:44,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:18:44,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-09-08 14:18:44,787 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 14:18:44,787 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 14:18:44,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:18:44,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1608672867, now seen corresponding path program 1 times [2024-09-08 14:18:44,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:18:44,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707677250] [2024-09-08 14:18:44,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:18:44,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:18:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-08 14:18:44,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-09-08 14:18:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-08 14:18:44,879 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-09-08 14:18:44,880 INFO L326 BasicCegarLoop]: Counterexample is feasible [2024-09-08 14:18:44,881 INFO L785 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-09-08 14:18:44,882 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-09-08 14:18:44,883 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 5 remaining) [2024-09-08 14:18:44,883 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-09-08 14:18:44,883 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-09-08 14:18:44,883 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-08 14:18:44,888 INFO L408 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2024-09-08 14:18:44,965 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 14:18:44,965 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 14:18:44,968 INFO L469 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-09-08 14:18:44,968 INFO L470 ceAbstractionStarter]: WitnessConsidered=2 [2024-09-08 14:18:44,968 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 02:18:44 BasicIcfg [2024-09-08 14:18:44,969 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 14:18:44,969 INFO L158 Benchmark]: Toolchain (without parser) took 5892.00ms. Allocated memory was 153.1MB in the beginning and 228.6MB in the end (delta: 75.5MB). Free memory was 112.7MB in the beginning and 80.4MB in the end (delta: 32.3MB). Peak memory consumption was 109.4MB. Max. memory is 16.1GB. [2024-09-08 14:18:44,969 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 153.1MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 14:18:44,969 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 153.1MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 14:18:44,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 984.98ms. Allocated memory was 153.1MB in the beginning and 188.7MB in the end (delta: 35.7MB). Free memory was 112.2MB in the beginning and 132.6MB in the end (delta: -20.4MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2024-09-08 14:18:44,970 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.64ms. Allocated memory is still 188.7MB. Free memory was 131.5MB in the beginning and 129.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 14:18:44,970 INFO L158 Benchmark]: Boogie Preprocessor took 55.26ms. Allocated memory is still 188.7MB. Free memory was 129.5MB in the beginning and 127.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 14:18:44,971 INFO L158 Benchmark]: RCFGBuilder took 887.58ms. Allocated memory is still 188.7MB. Free memory was 127.4MB in the beginning and 139.2MB in the end (delta: -11.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-09-08 14:18:44,971 INFO L158 Benchmark]: TraceAbstraction took 3885.29ms. Allocated memory was 188.7MB in the beginning and 228.6MB in the end (delta: 39.8MB). Free memory was 138.2MB in the beginning and 80.4MB in the end (delta: 57.8MB). Peak memory consumption was 98.7MB. Max. memory is 16.1GB. [2024-09-08 14:18:44,972 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 153.1MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 153.1MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 984.98ms. Allocated memory was 153.1MB in the beginning and 188.7MB in the end (delta: 35.7MB). Free memory was 112.2MB in the beginning and 132.6MB in the end (delta: -20.4MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.64ms. Allocated memory is still 188.7MB. Free memory was 131.5MB in the beginning and 129.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.26ms. Allocated memory is still 188.7MB. Free memory was 129.5MB in the beginning and 127.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 887.58ms. Allocated memory is still 188.7MB. Free memory was 127.4MB in the beginning and 139.2MB in the end (delta: -11.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3885.29ms. Allocated memory was 188.7MB in the beginning and 228.6MB in the end (delta: 39.8MB). Free memory was 138.2MB in the beginning and 80.4MB in the end (delta: 57.8MB). Peak memory consumption was 98.7MB. 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: 439, independent conditional: 0, independent unconditional: 439, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 62, independent: 17, independent conditional: 1, independent unconditional: 16, 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: 62, independent: 17, independent conditional: 1, independent unconditional: 16, dependent: 45, dependent conditional: 14, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 182, independent: 73, independent conditional: 5, independent unconditional: 68, dependent: 109, dependent conditional: 33, dependent unconditional: 76, 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: 439, independent conditional: 0, independent unconditional: 439, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 62, independent: 17, independent conditional: 1, independent unconditional: 16, 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: 62, independent: 17, independent conditional: 1, independent unconditional: 16, dependent: 45, dependent conditional: 14, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 182, independent: 73, independent conditional: 5, independent unconditional: 68, dependent: 109, dependent conditional: 33, dependent unconditional: 76, 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 || ((0 <= num) && (num <= 1))) && (!multithreaded || ((flag == 0) || (flag == 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 || ((0 <= num) && (num <= 1))) && (!multithreaded || ((flag == 0) || (flag == 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: 3.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.8s, 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, 1.2s InterpolantComputationTime, 531 NumberOfCodeBlocks, 531 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 468 ConstructedInterpolants, 0 QuantifiedInterpolants, 970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1078 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 14:18:45,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-09-08 14:18:45,204 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