./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.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_ok.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da 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_ok.i ./goblint.2024-09-02_08-21-23.files/protection-ghost/arithmetic_prog_ok.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-dev-e94c40d-m [2024-09-23 08:04:18,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 08:04:18,609 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 08:04:18,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 08:04:18,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 08:04:18,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 08:04:18,637 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 08:04:18,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 08:04:18,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 08:04:18,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 08:04:18,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 08:04:18,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 08:04:18,642 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 08:04:18,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 08:04:18,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 08:04:18,642 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 08:04:18,642 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 08:04:18,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 08:04:18,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 08:04:18,643 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 08:04:18,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 08:04:18,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 08:04:18,644 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 08:04:18,644 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 08:04:18,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 08:04:18,644 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 08:04:18,645 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 08:04:18,645 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 08:04:18,645 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 08:04:18,645 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 08:04:18,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 08:04:18,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 08:04:18,646 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 08:04:18,646 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 08:04:18,646 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 08:04:18,646 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 08:04:18,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 08:04:18,647 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 08:04:18,647 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 08:04:18,647 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 08:04:18,647 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 08:04:18,648 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-23 08:04:18,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 08:04:18,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 08:04:18,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 08:04:18,873 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 08:04:18,874 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 08:04:18,875 INFO L431 ainManager$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_ok.yml/witness.yml [2024-09-23 08:04:19,028 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 08:04:19,029 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 08:04:19,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2024-09-23 08:04:20,184 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 08:04:20,394 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 08:04:20,395 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2024-09-23 08:04:20,414 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f0f7d6998/1f2870f4f7e04dfe84251f2dde9f78ba/FLAGb73da9558 [2024-09-23 08:04:20,425 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f0f7d6998/1f2870f4f7e04dfe84251f2dde9f78ba [2024-09-23 08:04:20,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 08:04:20,426 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 08:04:20,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 08:04:20,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 08:04:20,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 08:04:20,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 08:04:19" (1/2) ... [2024-09-23 08:04:20,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b37d92a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 08:04:20, skipping insertion in model container [2024-09-23 08:04:20,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 08:04:19" (1/2) ... [2024-09-23 08:04:20,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e5592f7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 08:04:20, skipping insertion in model container [2024-09-23 08:04:20,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 08:04:20" (2/2) ... [2024-09-23 08:04:20,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b37d92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:04:20, skipping insertion in model container [2024-09-23 08:04:20,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 08:04:20" (2/2) ... [2024-09-23 08:04:20,655 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 08:04:20,656 INFO L1541 ArrayList]: Location invariant before [L915-L915] (! multithreaded || (0 <= num && num <= 1)) && (! multithreaded || (flag == 0 || flag == 1)) [2024-09-23 08:04:20,657 INFO L1541 ArrayList]: Location invariant before [L914-L914] (! multithreaded || (0 <= num && num <= 1)) && (! multithreaded || (flag == 0 || flag == 1)) [2024-09-23 08:04:20,657 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 08:04:20,657 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-09-23 08:04:20,660 INFO L1541 ArrayList]: ghost_update [L893-L893] m_locked = 1; [2024-09-23 08:04:20,660 INFO L1541 ArrayList]: ghost_update [L893-L893] m_locked = 1; [2024-09-23 08:04:20,660 INFO L1541 ArrayList]: ghost_update [L883-L883] m_locked = 0; [2024-09-23 08:04:20,660 INFO L1541 ArrayList]: ghost_update [L883-L883] m_locked = 0; [2024-09-23 08:04:20,660 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,660 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,660 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,661 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,661 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,661 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,661 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,661 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,661 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,661 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,661 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,661 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,661 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,661 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,662 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,662 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,662 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,662 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,662 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,662 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,662 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,662 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,662 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,662 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,662 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,663 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,663 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,663 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,663 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,663 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,663 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,663 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,663 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,663 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,663 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,664 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,664 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,664 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,666 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,668 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,668 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,669 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,669 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,669 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,669 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,669 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,670 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,670 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,670 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,670 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,670 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,670 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,670 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,671 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,671 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,671 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,671 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,671 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,671 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,671 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,671 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,671 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,672 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,672 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,672 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,672 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,672 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,672 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,672 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,672 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,672 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,673 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,673 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,673 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,673 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,673 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,673 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,673 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,673 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,673 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,674 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,674 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,674 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,674 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,674 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,674 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,674 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,674 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,674 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,674 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,674 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,675 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,675 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,675 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,675 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,675 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,675 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,675 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,676 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,676 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,676 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,676 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,677 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 08:04:20,677 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 08:04:20,677 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,678 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,679 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,679 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,679 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,679 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,679 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,679 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,679 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,679 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,679 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,680 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,680 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,680 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,680 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,680 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,680 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,680 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,680 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,680 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,680 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,680 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,680 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,680 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,681 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,681 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,681 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,681 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,681 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,681 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,681 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,681 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,681 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,681 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,681 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,681 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,681 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,681 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,682 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,682 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,682 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,682 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,682 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,682 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,682 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,684 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,684 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,684 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,684 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,684 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,684 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,684 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,684 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,685 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,685 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,685 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,685 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,685 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,685 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,686 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,686 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,686 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,686 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,686 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,686 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,686 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,687 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,687 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,687 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,687 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,688 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,688 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,689 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,689 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,689 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,689 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,690 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,690 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,690 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,690 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,690 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,690 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,690 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,690 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,690 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,690 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,691 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,691 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,691 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,691 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,691 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,691 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,691 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,691 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,691 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,691 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,692 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,692 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,692 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,692 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,692 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,692 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,692 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 08:04:20,692 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 08:04:20,692 INFO L1541 ArrayList]: ghost_update [L879-L879] m_locked = 1; [2024-09-23 08:04:20,692 INFO L1541 ArrayList]: ghost_update [L879-L879] m_locked = 1; [2024-09-23 08:04:20,692 INFO L1541 ArrayList]: ghost_update [L898-L898] m_locked = 0; [2024-09-23 08:04:20,692 INFO L1541 ArrayList]: ghost_update [L898-L898] m_locked = 0; [2024-09-23 08:04:20,692 INFO L1541 ArrayList]: ghost_update [L913-L913] multithreaded = 1; [2024-09-23 08:04:20,729 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 08:04:21,022 WARN L248 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_ok.i[39757,39770] [2024-09-23 08:04:21,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 08:04:21,047 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 [2024-09-23 08:04:21,153 WARN L248 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_ok.i[39757,39770] [2024-09-23 08:04:21,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 08:04:21,196 INFO L204 MainTranslator]: Completed translation [2024-09-23 08:04:21,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:04:21 WrapperNode [2024-09-23 08:04:21,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 08:04:21,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 08:04:21,197 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 08:04:21,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 08:04:21,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:04:21" (1/1) ... [2024-09-23 08:04:21,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:04:21" (1/1) ... [2024-09-23 08:04:21,246 INFO L138 Inliner]: procedures = 243, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2024-09-23 08:04:21,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 08:04:21,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 08:04:21,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 08:04:21,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 08:04:21,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:04:21" (1/1) ... [2024-09-23 08:04:21,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:04:21" (1/1) ... [2024-09-23 08:04:21,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:04:21" (1/1) ... [2024-09-23 08:04:21,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:04:21" (1/1) ... [2024-09-23 08:04:21,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:04:21" (1/1) ... [2024-09-23 08:04:21,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:04:21" (1/1) ... [2024-09-23 08:04:21,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:04:21" (1/1) ... [2024-09-23 08:04:21,289 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:04:21" (1/1) ... [2024-09-23 08:04:21,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 08:04:21,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 08:04:21,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 08:04:21,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 08:04:21,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:04:21" (1/1) ... [2024-09-23 08:04:21,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 08:04:21,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 08:04:21,319 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) [2024-09-23 08:04:21,321 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 [2024-09-23 08:04:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-09-23 08:04:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-23 08:04:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-23 08:04:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-23 08:04:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-23 08:04:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-23 08:04:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-23 08:04:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 08:04:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 08:04:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 08:04:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 08:04:21,359 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-23 08:04:21,458 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 08:04:21,460 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 08:04:21,755 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 08:04:21,755 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 08:04:21,931 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 08:04:21,932 INFO L318 CfgBuilder]: Removed 4 assume(true) statements. [2024-09-23 08:04:21,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 08:04:21 BoogieIcfgContainer [2024-09-23 08:04:21,932 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 08:04:21,934 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 08:04:21,934 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 08:04:21,937 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 08:04:21,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 08:04:19" (1/4) ... [2024-09-23 08:04:21,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f19e091 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 08:04:21, skipping insertion in model container [2024-09-23 08:04:21,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 08:04:20" (2/4) ... [2024-09-23 08:04:21,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f19e091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 08:04:21, skipping insertion in model container [2024-09-23 08:04:21,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 08:04:21" (3/4) ... [2024-09-23 08:04:21,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f19e091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 08:04:21, skipping insertion in model container [2024-09-23 08:04:21,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 08:04:21" (4/4) ... [2024-09-23 08:04:21,939 INFO L112 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_ok.i [2024-09-23 08:04:21,955 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 08:04:21,955 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-09-23 08:04:21,955 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 08:04:21,985 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-09-23 08:04:22,019 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 08:04:22,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 08:04:22,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 08:04:22,022 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) [2024-09-23 08:04:22,023 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 [2024-09-23 08:04:22,049 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 08:04:22,058 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 08:04:22,063 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;@4967e948, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 08:04:22,063 INFO L337 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-09-23 08:04:22,129 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)] === [2024-09-23 08:04:22,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 08:04:22,135 INFO L85 PathProgramCache]: Analyzing trace with hash 2042048713, now seen corresponding path program 1 times [2024-09-23 08:04:22,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 08:04:22,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893888937] [2024-09-23 08:04:22,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 08:04:22,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 08:04:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 08:04:22,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 08:04:22,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 08:04:22,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893888937] [2024-09-23 08:04:22,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893888937] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 08:04:22,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 08:04:22,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-23 08:04:22,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750037105] [2024-09-23 08:04:22,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 08:04:22,525 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 08:04:22,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 08:04:22,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 08:04:22,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 08:04:22,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 08:04:22,547 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 08:04:22,548 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) [2024-09-23 08:04:22,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 08:04:22,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:22,748 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 08:04:22,748 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)] === [2024-09-23 08:04:22,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 08:04:22,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1419834956, now seen corresponding path program 1 times [2024-09-23 08:04:22,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 08:04:22,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674391739] [2024-09-23 08:04:22,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 08:04:22,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 08:04:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 08:04:22,899 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-09-23 08:04:22,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 08:04:22,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674391739] [2024-09-23 08:04:22,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674391739] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 08:04:22,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 08:04:22,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-23 08:04:22,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141574133] [2024-09-23 08:04:22,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 08:04:22,901 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-23 08:04:22,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 08:04:22,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-23 08:04:22,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-23 08:04:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 08:04:22,903 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 08:04:22,903 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) [2024-09-23 08:04:22,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:22,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 08:04:23,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:23,053 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-23 08:04:23,053 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)] === [2024-09-23 08:04:23,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 08:04:23,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1988376473, now seen corresponding path program 2 times [2024-09-23 08:04:23,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 08:04:23,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191440157] [2024-09-23 08:04:23,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 08:04:23,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 08:04:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 08:04:23,267 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-09-23 08:04:23,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 08:04:23,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191440157] [2024-09-23 08:04:23,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191440157] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 08:04:23,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 08:04:23,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-23 08:04:23,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877304307] [2024-09-23 08:04:23,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 08:04:23,270 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 08:04:23,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 08:04:23,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 08:04:23,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 08:04:23,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 08:04:23,271 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 08:04:23,271 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) [2024-09-23 08:04:23,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:23,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:23,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 08:04:23,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:23,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:23,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:23,378 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-23 08:04:23,378 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)] === [2024-09-23 08:04:23,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 08:04:23,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1157333755, now seen corresponding path program 1 times [2024-09-23 08:04:23,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 08:04:23,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003978337] [2024-09-23 08:04:23,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 08:04:23,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 08:04:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 08:04:23,567 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-23 08:04:23,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 08:04:23,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003978337] [2024-09-23 08:04:23,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003978337] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 08:04:23,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388056146] [2024-09-23 08:04:23,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 08:04:23,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 08:04:23,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 08:04:23,584 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) [2024-09-23 08:04:23,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-23 08:04:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 08:04:23,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-23 08:04:23,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 08:04:23,754 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-09-23 08:04:23,754 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 08:04:23,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388056146] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 08:04:23,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 08:04:23,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2024-09-23 08:04:23,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030536718] [2024-09-23 08:04:23,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 08:04:23,755 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-23 08:04:23,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 08:04:23,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-23 08:04:23,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-09-23 08:04:23,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 08:04:23,756 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 08:04:23,756 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) [2024-09-23 08:04:23,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:23,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:23,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:23,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 08:04:23,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:23,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:23,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:23,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:23,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-23 08:04:24,013 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 [2024-09-23 08:04:24,014 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)] === [2024-09-23 08:04:24,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 08:04:24,014 INFO L85 PathProgramCache]: Analyzing trace with hash -254698185, now seen corresponding path program 3 times [2024-09-23 08:04:24,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 08:04:24,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174303872] [2024-09-23 08:04:24,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 08:04:24,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 08:04:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 08:04:24,171 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-09-23 08:04:24,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 08:04:24,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174303872] [2024-09-23 08:04:24,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174303872] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 08:04:24,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117089604] [2024-09-23 08:04:24,172 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-23 08:04:24,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 08:04:24,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 08:04:24,173 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) [2024-09-23 08:04:24,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-23 08:04:24,316 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-09-23 08:04:24,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 08:04:24,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-23 08:04:24,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 08:04:24,399 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-23 08:04:24,399 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 08:04:24,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117089604] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 08:04:24,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 08:04:24,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-09-23 08:04:24,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199085668] [2024-09-23 08:04:24,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 08:04:24,400 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-23 08:04:24,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 08:04:24,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-23 08:04:24,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-09-23 08:04:24,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 08:04:24,401 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 08:04:24,401 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 08:04:24,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:24,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:24,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:24,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:24,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 08:04:24,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:24,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:24,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:24,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:24,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:24,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-23 08:04:24,661 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 [2024-09-23 08:04:24,661 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)] === [2024-09-23 08:04:24,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 08:04:24,662 INFO L85 PathProgramCache]: Analyzing trace with hash 113872181, now seen corresponding path program 2 times [2024-09-23 08:04:24,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 08:04:24,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714441069] [2024-09-23 08:04:24,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 08:04:24,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 08:04:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 08:04:24,799 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 35 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-23 08:04:24,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 08:04:24,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714441069] [2024-09-23 08:04:24,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714441069] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 08:04:24,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782540879] [2024-09-23 08:04:24,800 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 08:04:24,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 08:04:24,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 08:04:24,802 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) [2024-09-23 08:04:24,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-23 08:04:24,906 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-23 08:04:24,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 08:04:24,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-23 08:04:24,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 08:04:24,980 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-23 08:04:24,980 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 08:04:25,054 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-23 08:04:25,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782540879] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 08:04:25,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 08:04:25,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-09-23 08:04:25,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183172811] [2024-09-23 08:04:25,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 08:04:25,056 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-23 08:04:25,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 08:04:25,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-23 08:04:25,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-09-23 08:04:25,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 08:04:25,057 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 08:04:25,057 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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) [2024-09-23 08:04:25,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:25,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:25,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:25,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:25,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:25,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 08:04:25,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:25,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:25,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:25,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:25,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:25,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 08:04:25,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-09-23 08:04:25,449 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 [2024-09-23 08:04:25,449 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)] === [2024-09-23 08:04:25,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 08:04:25,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1065973063, now seen corresponding path program 1 times [2024-09-23 08:04:25,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 08:04:25,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774599148] [2024-09-23 08:04:25,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 08:04:25,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 08:04:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 08:04:25,565 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 77 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 08:04:25,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 08:04:25,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774599148] [2024-09-23 08:04:25,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774599148] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 08:04:25,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821520919] [2024-09-23 08:04:25,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 08:04:25,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 08:04:25,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 08:04:25,567 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 08:04:25,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-23 08:04:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 08:04:25,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-23 08:04:25,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 08:04:25,732 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 08:04:25,732 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 08:04:25,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821520919] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 08:04:25,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 08:04:25,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2024-09-23 08:04:25,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162490521] [2024-09-23 08:04:25,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 08:04:25,733 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-23 08:04:25,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 08:04:25,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-23 08:04:25,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-09-23 08:04:25,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 08:04:25,734 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 08:04:25,735 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 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) [2024-09-23 08:04:25,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:25,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:25,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:25,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:25,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:25,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 08:04:25,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 08:04:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 08:04:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 08:04:25,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-23 08:04:26,032 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-09-23 08:04:26,032 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-23 08:04:26,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 08:04:26,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1564430855, now seen corresponding path program 2 times [2024-09-23 08:04:26,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 08:04:26,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670576406] [2024-09-23 08:04:26,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 08:04:26,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 08:04:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 08:04:26,445 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 08:04:26,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 08:04:26,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670576406] [2024-09-23 08:04:26,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670576406] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 08:04:26,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483955696] [2024-09-23 08:04:26,445 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 08:04:26,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 08:04:26,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 08:04:26,447 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 08:04:26,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-23 08:04:26,561 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-23 08:04:26,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 08:04:26,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-09-23 08:04:26,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 08:04:26,814 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 08:04:26,814 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 08:04:27,160 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 08:04:27,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483955696] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 08:04:27,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 08:04:27,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 12] total 30 [2024-09-23 08:04:27,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327465545] [2024-09-23 08:04:27,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 08:04:27,161 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-09-23 08:04:27,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 08:04:27,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-09-23 08:04:27,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=840, Unknown=0, NotChecked=0, Total=930 [2024-09-23 08:04:27,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 08:04:27,163 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 08:04:27,163 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.612903225806452) internal successors, (174), 30 states have internal predecessors, (174), 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) [2024-09-23 08:04:27,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:27,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:27,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:27,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:27,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:27,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-23 08:04:27,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 08:04:27,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 08:04:28,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 08:04:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 08:04:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 08:04:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 08:04:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 08:04:28,299 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining) [2024-09-23 08:04:28,300 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-09-23 08:04:28,300 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-09-23 08:04:28,300 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-09-23 08:04:28,300 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-09-23 08:04:28,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-23 08:04:28,500 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 08:04:28,505 INFO L408 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1] [2024-09-23 08:04:28,507 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 08:04:28,507 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 08:04:28,509 INFO L469 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-09-23 08:04:28,509 INFO L470 ceAbstractionStarter]: WitnessConsidered=2 [2024-09-23 08:04:28,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 08:04:28 BasicIcfg [2024-09-23 08:04:28,509 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 08:04:28,510 INFO L158 Benchmark]: Toolchain (without parser) took 8083.84ms. Allocated memory was 151.0MB in the beginning and 308.3MB in the end (delta: 157.3MB). Free memory was 70.2MB in the beginning and 256.1MB in the end (delta: -185.9MB). Peak memory consumption was 138.9MB. Max. memory is 16.1GB. [2024-09-23 08:04:28,510 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 151.0MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 08:04:28,512 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 151.0MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 08:04:28,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 769.47ms. Allocated memory was 151.0MB in the beginning and 230.7MB in the end (delta: 79.7MB). Free memory was 70.0MB in the beginning and 132.4MB in the end (delta: -62.4MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2024-09-23 08:04:28,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.89ms. Allocated memory is still 230.7MB. Free memory was 132.4MB in the beginning and 129.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 08:04:28,512 INFO L158 Benchmark]: Boogie Preprocessor took 46.48ms. Allocated memory is still 230.7MB. 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. [2024-09-23 08:04:28,513 INFO L158 Benchmark]: RCFGBuilder took 638.12ms. Allocated memory is still 230.7MB. Free memory was 127.4MB in the beginning and 195.5MB in the end (delta: -68.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-09-23 08:04:28,513 INFO L158 Benchmark]: TraceAbstraction took 6575.59ms. Allocated memory was 230.7MB in the beginning and 308.3MB in the end (delta: 77.6MB). Free memory was 194.5MB in the beginning and 256.1MB in the end (delta: -61.7MB). Peak memory consumption was 181.2MB. Max. memory is 16.1GB. [2024-09-23 08:04:28,514 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 151.0MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 151.0MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 769.47ms. Allocated memory was 151.0MB in the beginning and 230.7MB in the end (delta: 79.7MB). Free memory was 70.0MB in the beginning and 132.4MB in the end (delta: -62.4MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.89ms. Allocated memory is still 230.7MB. Free memory was 132.4MB in the beginning and 129.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.48ms. Allocated memory is still 230.7MB. 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 638.12ms. Allocated memory is still 230.7MB. Free memory was 127.4MB in the beginning and 195.5MB in the end (delta: -68.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * TraceAbstraction took 6575.59ms. Allocated memory was 230.7MB in the beginning and 308.3MB in the end (delta: 77.6MB). Free memory was 194.5MB in the beginning and 256.1MB in the end (delta: -61.7MB). Peak memory consumption was 181.2MB. 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: 8047, independent: 6890, independent conditional: 6050, independent unconditional: 840, dependent: 1157, dependent conditional: 1125, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7176, independent: 6890, independent conditional: 6050, independent unconditional: 840, dependent: 286, dependent conditional: 254, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7176, independent: 6890, independent conditional: 6050, independent unconditional: 840, dependent: 286, dependent conditional: 254, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9125, independent: 6890, independent conditional: 6050, independent unconditional: 840, dependent: 2235, dependent conditional: 2203, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9125, independent: 6890, independent conditional: 122, independent unconditional: 6768, dependent: 2235, dependent conditional: 532, dependent unconditional: 1703, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9125, independent: 6890, independent conditional: 122, independent unconditional: 6768, dependent: 2235, dependent conditional: 532, dependent unconditional: 1703, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 712, independent: 639, independent conditional: 5, independent unconditional: 634, dependent: 73, dependent conditional: 38, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 712, independent: 616, independent conditional: 0, independent unconditional: 616, dependent: 96, dependent conditional: 0, dependent unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 96, independent: 23, independent conditional: 5, independent unconditional: 18, dependent: 73, dependent conditional: 38, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 96, independent: 23, independent conditional: 5, independent unconditional: 18, dependent: 73, dependent conditional: 38, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 208, independent: 65, independent conditional: 10, independent unconditional: 55, dependent: 143, dependent conditional: 76, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9125, independent: 6251, independent conditional: 117, independent unconditional: 6134, dependent: 2162, dependent conditional: 494, dependent unconditional: 1668, unknown: 712, unknown conditional: 43, unknown unconditional: 669] , Statistics on independence cache: Total cache size (in pairs): 712, Positive cache size: 639, Positive conditional cache size: 5, Positive unconditional cache size: 634, Negative cache size: 73, Negative conditional cache size: 38, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7599, Maximal queried relation: 8, Independence queries for same thread: 871, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 402, Number of trivial persistent sets: 374, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 872, independent: 840, independent conditional: 0, independent unconditional: 840, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8047, independent: 6890, independent conditional: 6050, independent unconditional: 840, dependent: 1157, dependent conditional: 1125, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7176, independent: 6890, independent conditional: 6050, independent unconditional: 840, dependent: 286, dependent conditional: 254, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7176, independent: 6890, independent conditional: 6050, independent unconditional: 840, dependent: 286, dependent conditional: 254, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9125, independent: 6890, independent conditional: 6050, independent unconditional: 840, dependent: 2235, dependent conditional: 2203, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9125, independent: 6890, independent conditional: 122, independent unconditional: 6768, dependent: 2235, dependent conditional: 532, dependent unconditional: 1703, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9125, independent: 6890, independent conditional: 122, independent unconditional: 6768, dependent: 2235, dependent conditional: 532, dependent unconditional: 1703, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 712, independent: 639, independent conditional: 5, independent unconditional: 634, dependent: 73, dependent conditional: 38, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 712, independent: 616, independent conditional: 0, independent unconditional: 616, dependent: 96, dependent conditional: 0, dependent unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 96, independent: 23, independent conditional: 5, independent unconditional: 18, dependent: 73, dependent conditional: 38, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 96, independent: 23, independent conditional: 5, independent unconditional: 18, dependent: 73, dependent conditional: 38, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 208, independent: 65, independent conditional: 10, independent unconditional: 55, dependent: 143, dependent conditional: 76, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9125, independent: 6251, independent conditional: 117, independent unconditional: 6134, dependent: 2162, dependent conditional: 494, dependent unconditional: 1668, unknown: 712, unknown conditional: 43, unknown unconditional: 669] , Statistics on independence cache: Total cache size (in pairs): 712, Positive cache size: 639, Positive conditional cache size: 5, Positive unconditional cache size: 634, Negative cache size: 73, Negative conditional cache size: 38, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7599, Maximal queried relation: 8, Independence queries for same thread: 871 - PositiveResult [Line: 914]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 915]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 919]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 61 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 2.0s, 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: 61, 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, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 759 NumberOfCodeBlocks, 759 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 867 ConstructedInterpolants, 0 QuantifiedInterpolants, 3241 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1876 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 459/904 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-23 08:04:28,540 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 [2024-09-23 08:04:28,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE