./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/protection-ghost/arithmetic_prog_bad.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_bad.i ./goblint.2024-09-02_08-21-23.files/protection-ghost/arithmetic_prog_bad.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-23 11:24:19,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 11:24:19,825 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 11:24:19,831 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 11:24:19,831 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 11:24:19,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 11:24:19,864 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 11:24:19,865 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 11:24:19,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 11:24:19,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 11:24:19,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 11:24:19,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 11:24:19,868 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 11:24:19,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 11:24:19,870 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 11:24:19,870 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 11:24:19,871 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 11:24:19,871 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 11:24:19,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 11:24:19,875 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 11:24:19,875 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 11:24:19,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 11:24:19,876 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 11:24:19,876 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 11:24:19,877 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 11:24:19,877 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 11:24:19,877 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 11:24:19,877 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 11:24:19,878 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 11:24:19,878 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 11:24:19,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 11:24:19,878 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 11:24:19,878 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 11:24:19,879 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 11:24:19,879 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 11:24:19,879 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 11:24:19,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 11:24:19,880 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 11:24:19,880 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 11:24:19,880 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 11:24:19,882 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 11:24:19,884 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-23 11:24:20,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 11:24:20,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 11:24:20,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 11:24:20,172 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 11:24:20,173 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 11:24:20,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/arithmetic_prog_bad.yml/witness.yml [2024-09-23 11:24:20,312 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 11:24:20,312 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 11:24:20,313 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i [2024-09-23 11:24:21,658 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 11:24:21,915 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 11:24:21,919 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i [2024-09-23 11:24:21,940 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/75e8d080c/86abf3e264aa44d299eb4311b987dfc0/FLAGf592020f4 [2024-09-23 11:24:21,955 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/75e8d080c/86abf3e264aa44d299eb4311b987dfc0 [2024-09-23 11:24:21,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 11:24:21,956 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 11:24:21,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 11:24:21,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 11:24:21,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 11:24:21,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:24:20" (1/2) ... [2024-09-23 11:24:21,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@352aab82 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:24:21, skipping insertion in model container [2024-09-23 11:24:21,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:24:20" (1/2) ... [2024-09-23 11:24:21,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75046a36 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:24:21, skipping insertion in model container [2024-09-23 11:24:21,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 11:24:21" (2/2) ... [2024-09-23 11:24:21,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@352aab82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:24:21, skipping insertion in model container [2024-09-23 11:24:21,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 11:24:21" (2/2) ... [2024-09-23 11:24:22,379 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 11:24:22,380 INFO L1541 ArrayList]: Location invariant before [L915-L915] (! multithreaded || (0 <= num && num <= 1)) && (! multithreaded || (flag == 0 || flag == 1)) [2024-09-23 11:24:22,380 INFO L1541 ArrayList]: Location invariant before [L914-L914] (! multithreaded || (0 <= num && num <= 1)) && (! multithreaded || (flag == 0 || flag == 1)) [2024-09-23 11:24:22,381 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-09-23 11:24:22,381 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 11:24:22,381 INFO L1541 ArrayList]: ghost_update [L879-L879] m_locked = 1; [2024-09-23 11:24:22,381 INFO L1541 ArrayList]: ghost_update [L879-L879] m_locked = 1; [2024-09-23 11:24:22,381 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,381 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,382 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,382 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,382 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,382 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,382 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,382 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,383 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,383 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,383 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,383 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,383 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,383 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,384 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,384 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,384 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,384 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,384 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,384 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,384 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,384 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,385 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,385 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,385 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,385 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,385 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,385 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,385 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,385 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,386 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,386 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,386 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,386 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,386 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,386 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,386 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,387 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,387 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,387 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,387 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,387 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,387 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,388 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,388 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,388 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,388 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,388 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,388 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,389 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,389 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,389 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,389 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,389 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,389 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,390 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,390 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,390 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,390 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,390 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,390 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,390 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,390 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,390 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,391 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,391 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,391 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,391 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,391 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,391 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,392 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,393 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,393 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,393 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,393 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,393 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,393 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,394 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,394 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,394 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,394 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,394 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,394 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,394 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,395 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,395 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,395 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,395 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,395 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,395 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,395 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,396 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,396 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,396 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,396 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,396 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,396 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,396 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,397 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,397 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,397 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,397 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,397 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 0; [2024-09-23 11:24:22,397 INFO L1541 ArrayList]: ghost_update [L881-L881] m_locked = 1; [2024-09-23 11:24:22,397 INFO L1541 ArrayList]: ghost_update [L883-L883] m_locked = 0; [2024-09-23 11:24:22,397 INFO L1541 ArrayList]: ghost_update [L883-L883] m_locked = 0; [2024-09-23 11:24:22,398 INFO L1541 ArrayList]: ghost_update [L893-L893] m_locked = 1; [2024-09-23 11:24:22,398 INFO L1541 ArrayList]: ghost_update [L893-L893] m_locked = 1; [2024-09-23 11:24:22,398 INFO L1541 ArrayList]: ghost_update [L898-L898] m_locked = 0; [2024-09-23 11:24:22,398 INFO L1541 ArrayList]: ghost_update [L898-L898] m_locked = 0; [2024-09-23 11:24:22,398 INFO L1541 ArrayList]: ghost_update [L913-L913] multithreaded = 1; [2024-09-23 11:24:22,398 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,398 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,398 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,398 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,398 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,399 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,399 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,399 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,399 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,399 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,399 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,399 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,399 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,399 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,399 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,400 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,400 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,400 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,400 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,400 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,402 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,402 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,402 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,402 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,402 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,403 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,403 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,403 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,403 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,404 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,404 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,404 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,404 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,405 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,405 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,405 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,405 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,405 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,405 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,406 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,406 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,406 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,406 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,406 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,406 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,406 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,406 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,407 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,407 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,407 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,407 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,407 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,408 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,408 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,408 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,408 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,408 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,408 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,409 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,409 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,409 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,409 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,409 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,409 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,410 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,410 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,410 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,410 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,410 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,410 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,410 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,410 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,410 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,410 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,411 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,411 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,411 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,411 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,411 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,411 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,413 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,413 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,413 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,413 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,413 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,414 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,414 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,414 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,415 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,415 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,415 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,415 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,415 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,415 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,416 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,416 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,417 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,417 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,417 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,417 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,417 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,417 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,417 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 0; [2024-09-23 11:24:22,417 INFO L1541 ArrayList]: ghost_update [L895-L895] m_locked = 1; [2024-09-23 11:24:22,463 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 11:24:22,842 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_bad.i[39758,39771] [2024-09-23 11:24:22,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 11:24:22,859 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 11:24:22,989 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_bad.i[39758,39771] [2024-09-23 11:24:22,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 11:24:23,064 INFO L204 MainTranslator]: Completed translation [2024-09-23 11:24:23,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:24:23 WrapperNode [2024-09-23 11:24:23,066 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 11:24:23,067 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 11:24:23,067 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 11:24:23,068 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 11:24:23,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:24:23" (1/1) ... [2024-09-23 11:24:23,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:24:23" (1/1) ... [2024-09-23 11:24:23,128 INFO L138 Inliner]: procedures = 243, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2024-09-23 11:24:23,131 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 11:24:23,132 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 11:24:23,132 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 11:24:23,132 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 11:24:23,140 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:24:23" (1/1) ... [2024-09-23 11:24:23,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:24:23" (1/1) ... [2024-09-23 11:24:23,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:24:23" (1/1) ... [2024-09-23 11:24:23,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:24:23" (1/1) ... [2024-09-23 11:24:23,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:24:23" (1/1) ... [2024-09-23 11:24:23,170 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:24:23" (1/1) ... [2024-09-23 11:24:23,176 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:24:23" (1/1) ... [2024-09-23 11:24:23,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:24:23" (1/1) ... [2024-09-23 11:24:23,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 11:24:23,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 11:24:23,187 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 11:24:23,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 11:24:23,188 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:24:23" (1/1) ... [2024-09-23 11:24:23,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 11:24:23,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 11:24:23,220 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 11:24:23,222 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 11:24:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-09-23 11:24:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-23 11:24:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-23 11:24:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-23 11:24:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-23 11:24:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-23 11:24:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-23 11:24:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 11:24:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 11:24:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 11:24:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 11:24:23,273 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 11:24:23,406 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 11:24:23,408 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 11:24:23,783 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 11:24:23,784 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 11:24:24,039 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 11:24:24,040 INFO L318 CfgBuilder]: Removed 4 assume(true) statements. [2024-09-23 11:24:24,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 11:24:24 BoogieIcfgContainer [2024-09-23 11:24:24,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 11:24:24,042 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 11:24:24,042 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 11:24:24,050 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 11:24:24,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:24:20" (1/4) ... [2024-09-23 11:24:24,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448cab75 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 11:24:24, skipping insertion in model container [2024-09-23 11:24:24,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 11:24:21" (2/4) ... [2024-09-23 11:24:24,051 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448cab75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 11:24:24, skipping insertion in model container [2024-09-23 11:24:24,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:24:23" (3/4) ... [2024-09-23 11:24:24,051 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448cab75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 11:24:24, skipping insertion in model container [2024-09-23 11:24:24,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 11:24:24" (4/4) ... [2024-09-23 11:24:24,053 INFO L112 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_bad.i [2024-09-23 11:24:24,070 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 11:24:24,070 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-09-23 11:24:24,070 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 11:24:24,120 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-09-23 11:24:24,165 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 11:24:24,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 11:24:24,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 11:24:24,170 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 11:24:24,171 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 11:24:24,208 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 11:24:24,223 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 11:24:24,228 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;@dadc23d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 11:24:24,228 INFO L337 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-09-23 11:24:24,312 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 11:24:24,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:24:24,322 INFO L85 PathProgramCache]: Analyzing trace with hash 2042048713, now seen corresponding path program 1 times [2024-09-23 11:24:24,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:24:24,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051583254] [2024-09-23 11:24:24,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:24:24,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:24:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:24:24,647 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 11:24:24,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:24:24,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051583254] [2024-09-23 11:24:24,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051583254] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:24:24,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 11:24:24,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-23 11:24:24,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690397703] [2024-09-23 11:24:24,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:24:24,660 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 11:24:24,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:24:24,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 11:24:24,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 11:24:24,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:24:24,689 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:24:24,690 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 11:24:24,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:24:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:24:24,963 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 11:24:24,963 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 11:24:24,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:24:24,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1419834956, now seen corresponding path program 1 times [2024-09-23 11:24:24,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:24:24,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579394740] [2024-09-23 11:24:24,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:24:24,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:24:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:24:25,286 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 11:24:25,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:24:25,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579394740] [2024-09-23 11:24:25,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579394740] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:24:25,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 11:24:25,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-23 11:24:25,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295324829] [2024-09-23 11:24:25,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:24:25,289 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-23 11:24:25,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:24:25,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-23 11:24:25,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-23 11:24:25,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:24:25,292 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:24:25,292 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 11:24:25,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:24:25,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:24:25,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:24:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 11:24:25,462 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-23 11:24:25,462 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 11:24:25,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:24:25,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1988376473, now seen corresponding path program 2 times [2024-09-23 11:24:25,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:24:25,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311741350] [2024-09-23 11:24:25,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:24:25,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:24:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:24:25,739 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 11:24:25,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:24:25,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311741350] [2024-09-23 11:24:25,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311741350] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:24:25,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 11:24:25,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-23 11:24:25,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151609276] [2024-09-23 11:24:25,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:24:25,741 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 11:24:25,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:24:25,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 11:24:25,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 11:24:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:24:25,744 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:24:25,745 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 11:24:25,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:24:25,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 11:24:25,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:24:25,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:24:25,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 11:24:25,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:24:25,865 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-23 11:24:25,865 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 11:24:25,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:24:25,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1157333755, now seen corresponding path program 1 times [2024-09-23 11:24:25,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:24:25,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098982476] [2024-09-23 11:24:25,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:24:25,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:24:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:24:26,028 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 11:24:26,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:24:26,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098982476] [2024-09-23 11:24:26,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098982476] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 11:24:26,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200027321] [2024-09-23 11:24:26,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:24:26,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 11:24:26,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 11:24:26,033 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 11:24:26,035 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 11:24:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:24:26,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-23 11:24:26,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 11:24:26,304 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 11:24:26,305 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 11:24:26,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200027321] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:24:26,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 11:24:26,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2024-09-23 11:24:26,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308807233] [2024-09-23 11:24:26,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:24:26,306 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-23 11:24:26,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:24:26,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-23 11:24:26,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-09-23 11:24:26,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:24:26,308 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:24:26,308 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 11:24:26,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:24:26,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 11:24:26,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:24:26,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:24:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:24:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 11:24:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:24:26,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 11:24:26,427 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 11:24:26,613 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 11:24:26,614 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 11:24:26,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:24:26,615 INFO L85 PathProgramCache]: Analyzing trace with hash -254698185, now seen corresponding path program 3 times [2024-09-23 11:24:26,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:24:26,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679733115] [2024-09-23 11:24:26,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:24:26,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:24:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:24:26,845 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 51 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-09-23 11:24:26,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:24:26,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679733115] [2024-09-23 11:24:26,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679733115] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 11:24:26,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793557414] [2024-09-23 11:24:26,850 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-23 11:24:26,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 11:24:26,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 11:24:26,857 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 11:24:26,861 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 11:24:27,046 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-09-23 11:24:27,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 11:24:27,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-23 11:24:27,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 11:24:27,139 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-09-23 11:24:27,139 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 11:24:27,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793557414] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:24:27,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 11:24:27,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2024-09-23 11:24:27,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136537148] [2024-09-23 11:24:27,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:24:27,140 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 11:24:27,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:24:27,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 11:24:27,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-09-23 11:24:27,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:24:27,144 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:24:27,144 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 11:24:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:24:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 11:24:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:24:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 11:24:27,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:24:27,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:24:27,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 11:24:27,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:24:27,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 11:24:27,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 11:24:27,267 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 11:24:27,445 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 11:24:27,446 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 11:24:27,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:24:27,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1276997123, now seen corresponding path program 1 times [2024-09-23 11:24:27,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:24:27,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404416114] [2024-09-23 11:24:27,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:24:27,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:24:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:24:27,552 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-09-23 11:24:27,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:24:27,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404416114] [2024-09-23 11:24:27,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404416114] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 11:24:27,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055040933] [2024-09-23 11:24:27,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:24:27,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 11:24:27,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 11:24:27,555 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 11:24:27,558 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 11:24:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:24:27,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-23 11:24:27,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 11:24:27,782 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-09-23 11:24:27,783 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 11:24:27,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055040933] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:24:27,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 11:24:27,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-09-23 11:24:27,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209939976] [2024-09-23 11:24:27,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:24:27,783 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-23 11:24:27,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:24:27,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-23 11:24:27,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-09-23 11:24:27,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:24:27,784 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:24:27,785 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 11:24:27,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:24:27,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 11:24:27,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:24:27,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 11:24:27,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 11:24:27,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:24:27,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:24:27,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 11:24:27,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:24:27,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 11:24:27,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 11:24:27,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 11:24:27,864 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 11:24:28,048 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 11:24:28,051 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 11:24:28,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:24:28,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1608672867, now seen corresponding path program 1 times [2024-09-23 11:24:28,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:24:28,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256163930] [2024-09-23 11:24:28,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:24:28,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:24:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-23 11:24:28,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-09-23 11:24:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-23 11:24:28,153 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-09-23 11:24:28,154 INFO L326 BasicCegarLoop]: Counterexample is feasible [2024-09-23 11:24:28,155 INFO L785 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-09-23 11:24:28,158 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-09-23 11:24:28,160 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 5 remaining) [2024-09-23 11:24:28,160 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-09-23 11:24:28,160 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-09-23 11:24:28,160 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-23 11:24:28,167 INFO L408 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2024-09-23 11:24:28,265 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 11:24:28,266 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 11:24:28,268 INFO L469 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-09-23 11:24:28,268 INFO L470 ceAbstractionStarter]: WitnessConsidered=2 [2024-09-23 11:24:28,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 11:24:28 BasicIcfg [2024-09-23 11:24:28,270 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 11:24:28,271 INFO L158 Benchmark]: Toolchain (without parser) took 6314.92ms. Allocated memory was 138.4MB in the beginning and 270.5MB in the end (delta: 132.1MB). Free memory was 79.4MB in the beginning and 191.7MB in the end (delta: -112.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-09-23 11:24:28,271 INFO L158 Benchmark]: Witness Parser took 0.60ms. Allocated memory is still 138.4MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 11:24:28,271 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 138.4MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 11:24:28,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1108.42ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 79.2MB in the beginning and 111.2MB in the end (delta: -32.0MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2024-09-23 11:24:28,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.79ms. Allocated memory is still 195.0MB. Free memory was 111.2MB in the beginning and 108.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 11:24:28,272 INFO L158 Benchmark]: Boogie Preprocessor took 52.64ms. Allocated memory is still 195.0MB. Free memory was 108.1MB in the beginning and 106.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 11:24:28,272 INFO L158 Benchmark]: RCFGBuilder took 855.63ms. Allocated memory is still 195.0MB. Free memory was 106.0MB in the beginning and 128.5MB in the end (delta: -22.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-09-23 11:24:28,273 INFO L158 Benchmark]: TraceAbstraction took 4228.37ms. Allocated memory was 195.0MB in the beginning and 270.5MB in the end (delta: 75.5MB). Free memory was 128.5MB in the beginning and 191.7MB in the end (delta: -63.2MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-09-23 11:24:28,274 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 0.60ms. Allocated memory is still 138.4MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 138.4MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1108.42ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 79.2MB in the beginning and 111.2MB in the end (delta: -32.0MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.79ms. Allocated memory is still 195.0MB. Free memory was 111.2MB in the beginning and 108.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.64ms. Allocated memory is still 195.0MB. Free memory was 108.1MB in the beginning and 106.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 855.63ms. Allocated memory is still 195.0MB. Free memory was 106.0MB in the beginning and 128.5MB in the end (delta: -22.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4228.37ms. Allocated memory was 195.0MB in the beginning and 270.5MB in the end (delta: 75.5MB). Free memory was 128.5MB in the beginning and 191.7MB in the end (delta: -63.2MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1694, independent: 1285, independent conditional: 723, independent unconditional: 562, dependent: 409, dependent conditional: 381, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1357, independent: 1285, independent conditional: 723, independent unconditional: 562, dependent: 72, dependent conditional: 44, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1357, independent: 1285, independent conditional: 723, independent unconditional: 562, dependent: 72, dependent conditional: 44, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1456, independent: 1285, independent conditional: 723, independent unconditional: 562, dependent: 171, dependent conditional: 143, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1456, independent: 1285, independent conditional: 6, independent unconditional: 1279, dependent: 171, dependent conditional: 36, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1456, independent: 1285, independent conditional: 6, independent unconditional: 1279, dependent: 171, dependent conditional: 36, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 501, independent: 456, independent conditional: 1, independent unconditional: 455, dependent: 45, dependent conditional: 14, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 501, independent: 439, independent conditional: 0, independent unconditional: 439, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 62, independent: 17, independent conditional: 1, independent unconditional: 16, dependent: 45, dependent conditional: 14, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, independent: 17, independent conditional: 1, independent unconditional: 16, dependent: 45, dependent conditional: 14, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 213, independent: 73, independent conditional: 5, independent unconditional: 67, dependent: 141, dependent conditional: 44, dependent unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1456, independent: 829, independent conditional: 5, independent unconditional: 824, dependent: 126, dependent conditional: 22, dependent unconditional: 104, unknown: 501, unknown conditional: 15, unknown unconditional: 486] , Statistics on independence cache: Total cache size (in pairs): 501, Positive cache size: 456, Positive conditional cache size: 1, Positive unconditional cache size: 455, Negative cache size: 45, Negative conditional cache size: 14, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 824, Maximal queried relation: 5, Independence queries for same thread: 337, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 114, Number of trivial persistent sets: 91, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 590, independent: 562, independent conditional: 0, independent unconditional: 562, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1694, independent: 1285, independent conditional: 723, independent unconditional: 562, dependent: 409, dependent conditional: 381, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1357, independent: 1285, independent conditional: 723, independent unconditional: 562, dependent: 72, dependent conditional: 44, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1357, independent: 1285, independent conditional: 723, independent unconditional: 562, dependent: 72, dependent conditional: 44, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1456, independent: 1285, independent conditional: 723, independent unconditional: 562, dependent: 171, dependent conditional: 143, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1456, independent: 1285, independent conditional: 6, independent unconditional: 1279, dependent: 171, dependent conditional: 36, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1456, independent: 1285, independent conditional: 6, independent unconditional: 1279, dependent: 171, dependent conditional: 36, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 501, independent: 456, independent conditional: 1, independent unconditional: 455, dependent: 45, dependent conditional: 14, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 501, independent: 439, independent conditional: 0, independent unconditional: 439, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 62, independent: 17, independent conditional: 1, independent unconditional: 16, dependent: 45, dependent conditional: 14, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, independent: 17, independent conditional: 1, independent unconditional: 16, dependent: 45, dependent conditional: 14, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 213, independent: 73, independent conditional: 5, independent unconditional: 67, dependent: 141, dependent conditional: 44, dependent unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1456, independent: 829, independent conditional: 5, independent unconditional: 824, dependent: 126, dependent conditional: 22, dependent unconditional: 104, unknown: 501, unknown conditional: 15, unknown unconditional: 486] , Statistics on independence cache: Total cache size (in pairs): 501, Positive cache size: 456, Positive conditional cache size: 1, Positive unconditional cache size: 455, Negative cache size: 45, Negative conditional cache size: 14, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 824, Maximal queried relation: 5, Independence queries for same thread: 337 - CounterExampleResult [Line: 919]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L870] 0 int num; [L871] 0 unsigned long total; [L872] 0 int flag; [L873] 0 pthread_mutex_t m; [L874] 0 pthread_cond_t empty, full; [L1] 0 //@ ghost int m_locked = 0; [L1] 0 //@ ghost int multithreaded = 0; [L907] 0 pthread_t t1, t2; [L908] 0 num = 0 [L909] 0 total = 0 [L913] 0 //@ ghost multithreaded = 1; VAL [flag=0, m={3:0}, num=0, t1=-2, total=0] [L913] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [\old(arg)={0:0}, flag=0, m={3:0}, num=0, t1=-2, total=0] [L876] 1 int i; [L877] 1 i = 0 VAL [\old(arg)={0:0}, arg={0:0}, flag=0, i=0, m={3:0}, num=0, total=0] [L914] 0 //@ assert ((!multithreaded || ((0 <= num) && (num <= 1))) && (!multithreaded || ((flag == 0) || (flag == 1)))); VAL [\old(arg)={0:0}, arg={0:0}, flag=0, i=0, m={3:0}, num=0, t1=-2, total=0] [L914] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, flag=0, i=0, m={3:0}, num=0, t1=-2, t2=-1, total=0] [L890] 2 int j; [L891] 2 j = 0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=0, j=0, m={3:0}, num=0, total=0] [L915] 0 //@ assert ((!multithreaded || ((0 <= num) && (num <= 1))) && (!multithreaded || ((flag == 0) || (flag == 1)))); VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=0, j=0, m={3:0}, num=0, t1=-2, t2=-1, total=0] [L878] COND TRUE 1 i < 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=0, j=0, m={3:0}, num=0, total=0] [L879] 1 //@ ghost m_locked = 1; [L879] 1 //@ ghost m_locked = 1; [L892] COND TRUE 2 j < 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=0, j=0, m={3:0}, num=0, total=0] [L880] COND FALSE 1 !(num > 0) [L882] 1 num++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=0, j=0, m={3:0}, num=1, total=0] [L883] 1 //@ ghost m_locked = 0; [L883] 1 //@ ghost m_locked = 0; [L893] 2 //@ ghost m_locked = 1; [L893] 2 //@ ghost m_locked = 1; [L885] 1 i++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=1, j=0, m={3:0}, num=1, total=0] [L894] COND FALSE 2 !(num == 0) [L896] 2 total = total + j [L897] 2 num-- VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=1, j=0, m={3:0}, num=0, total=0] [L898] 2 //@ ghost m_locked = 0; [L898] 2 //@ ghost m_locked = 0; [L900] 2 j++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=1, j=1, m={3:0}, num=0, total=0] [L878] COND TRUE 1 i < 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=1, j=1, m={3:0}, num=0, total=0] [L879] 1 //@ ghost m_locked = 1; [L879] 1 //@ ghost m_locked = 1; [L892] COND TRUE 2 j < 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=1, j=1, m={3:0}, num=0, total=0] [L880] COND FALSE 1 !(num > 0) [L882] 1 num++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=1, j=1, m={3:0}, num=1, total=0] [L883] 1 //@ ghost m_locked = 0; [L883] 1 //@ ghost m_locked = 0; [L893] 2 //@ ghost m_locked = 1; [L893] 2 //@ ghost m_locked = 1; [L885] 1 i++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=2, j=1, m={3:0}, num=1, total=0] [L894] COND FALSE 2 !(num == 0) [L896] 2 total = total + j [L897] 2 num-- VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=2, j=1, m={3:0}, num=0, total=1] [L898] 2 //@ ghost m_locked = 0; [L898] 2 //@ ghost m_locked = 0; [L900] 2 j++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=2, j=2, m={3:0}, num=0, total=1] [L878] COND TRUE 1 i < 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=2, j=2, m={3:0}, num=0, total=1] [L879] 1 //@ ghost m_locked = 1; [L879] 1 //@ ghost m_locked = 1; [L892] COND TRUE 2 j < 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=2, j=2, m={3:0}, num=0, total=1] [L880] COND FALSE 1 !(num > 0) [L882] 1 num++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=2, j=2, m={3:0}, num=1, total=1] [L883] 1 //@ ghost m_locked = 0; [L883] 1 //@ ghost m_locked = 0; [L893] 2 //@ ghost m_locked = 1; [L893] 2 //@ ghost m_locked = 1; [L885] 1 i++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=3, j=2, m={3:0}, num=1, total=1] [L894] COND FALSE 2 !(num == 0) [L896] 2 total = total + j [L897] 2 num-- VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=3, j=2, m={3:0}, num=0, total=3] [L898] 2 //@ ghost m_locked = 0; [L898] 2 //@ ghost m_locked = 0; [L900] 2 j++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, flag=0, i=3, j=3, m={3:0}, num=0, total=3] [L878] COND FALSE 1 !(i < 3) [L887] 1 return ((void *)0); [L915] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=0, i=3, j=3, m={3:0}, num=0, t1=-2, t2=-1, total=3] [L892] COND FALSE 2 !(j < 3) [L902] 2 total = total + j [L903] 2 flag = 1 [L904] 2 return ((void *)0); [L916] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=1, i=3, j=3, m={3:0}, num=0, t1=-2, t2=-1, total=6] [L917] COND TRUE 0 \read(flag) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=1, i=3, j=3, m={3:0}, num=0, t1=-2, t2=-1, total=6] [L918] COND FALSE 0 !(total != ((3 * (3 + 1)) / 2)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=1, i=3, j=3, m={3:0}, num=0, t1=-2, t2=-1, total=6] [L919] 0 reach_error() VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, flag=1, i=3, j=3, m={3:0}, num=0, t1=-2, t2=-1, total=6] - UnprovableResult [Line: 914]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 915]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 914]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 913]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 61 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 531 NumberOfCodeBlocks, 531 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 468 ConstructedInterpolants, 0 QuantifiedInterpolants, 970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1078 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 345/391 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-09-23 11:24:28,301 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 11:24:28,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE