./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-figure3.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-figure3.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8857f20b Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-figure3.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-figure3.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-8857f20-m [2024-01-29 22:58:39,630 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 22:58:39,717 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 22:58:39,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 22:58:39,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 22:58:39,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 22:58:39,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 22:58:39,753 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 22:58:39,753 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 22:58:39,758 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 22:58:39,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 22:58:39,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 22:58:39,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 22:58:39,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 22:58:39,760 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 22:58:39,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 22:58:39,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 22:58:39,761 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 22:58:39,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 22:58:39,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 22:58:39,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 22:58:39,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 22:58:39,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 22:58:39,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 22:58:39,763 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 22:58:39,763 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 22:58:39,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 22:58:39,764 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 22:58:39,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 22:58:39,765 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 22:58:39,766 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 22:58:39,766 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 22:58:39,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:58:39,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 22:58:39,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 22:58:39,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 22:58:39,767 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 22:58:39,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 22:58:39,767 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 22:58:39,767 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 22:58:39,767 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 22:58:39,768 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 22:58:39,768 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 22:58:39,768 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 22:58:39,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 22:58:39,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 22:58:39,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 22:58:39,991 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 22:58:39,991 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 22:58:39,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-figure3.wvr.c [2024-01-29 22:58:41,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 22:58:41,245 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 22:58:41,245 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure3.wvr.c [2024-01-29 22:58:41,251 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fadad76fe/74bddc63913449ef815d8f300c313e49/FLAG6f123ff5a [2024-01-29 22:58:41,272 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fadad76fe/74bddc63913449ef815d8f300c313e49 [2024-01-29 22:58:41,274 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 22:58:41,274 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 22:58:41,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-figure3.wvr.yml/witness.yml [2024-01-29 22:58:41,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 22:58:41,422 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 22:58:41,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 22:58:41,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 22:58:41,427 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 22:58:41,428 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:58:41" (1/2) ... [2024-01-29 22:58:41,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5de5db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:58:41, skipping insertion in model container [2024-01-29 22:58:41,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:58:41" (1/2) ... [2024-01-29 22:58:41,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7812f146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:58:41, skipping insertion in model container [2024-01-29 22:58:41,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:58:41" (2/2) ... [2024-01-29 22:58:41,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5de5db and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:41, skipping insertion in model container [2024-01-29 22:58:41,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:58:41" (2/2) ... [2024-01-29 22:58:41,432 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 22:58:41,457 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 22:58:41,458 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (((((0LL - (long long )c) + (long long )counter >= 0LL) && ((long long )c + (long long )counter >= 0LL)) && ((0LL - (long long )c) - (long long )counter >= 0LL)) && (N == 0U)) && (c == 0U) [2024-01-29 22:58:41,458 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] ((((0LL - (long long )c) + (long long )counter >= 0LL) && ((long long )c + (long long )counter >= 0LL)) && ((0LL - (long long )c) - (long long )counter >= 0LL)) && (N == 0U) [2024-01-29 22:58:41,459 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (((0LL - (long long )c) + (long long )counter >= 0LL) && ((long long )c + (long long )counter >= 0LL)) && ((0LL - (long long )c) - (long long )counter >= 0LL) [2024-01-29 22:58:41,459 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] ((((0LL - (long long )c) + (long long )counter >= 0LL) && ((long long )c + (long long )counter >= 0LL)) && ((0LL - (long long )c) - (long long )counter >= 0LL)) && ((long long )c - (long long )counter >= 0LL) [2024-01-29 22:58:41,459 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (((((0LL - (long long )c) + (long long )counter >= 0LL) && ((long long )c + (long long )counter >= 0LL)) && ((0LL - (long long )c) - (long long )counter >= 0LL)) && (N == 0U)) && (counter == 0U) [2024-01-29 22:58:41,460 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] ((0LL - (long long )c) + (long long )counter >= 0LL) && ((long long )c + (long long )counter >= 0LL) [2024-01-29 22:58:41,460 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (0LL - (long long )c) + (long long )counter >= 0LL [2024-01-29 22:58:41,460 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-29 22:58:41,460 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-29 22:58:41,460 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L56] ((unsigned long )_argptr == 0UL) && ((((((((((i == 9U || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U) || i == 3U) || i == 2U) || i == 1U) || (0U == i && i == 0U)) || 10U <= i) [2024-01-29 22:58:41,460 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L56] (unsigned long )_argptr == 0UL [2024-01-29 22:58:41,461 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] counter == 0U [2024-01-29 22:58:41,461 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-29 22:58:41,461 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] ((unsigned long )_argptr == 0UL) && ((((((((((i == 9U || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U) || i == 3U) || i == 2U) || i == 1U) || (0U == i && i == 0U)) || (10U <= i && i <= 4294967294U)) [2024-01-29 22:58:41,461 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-01-29 22:58:41,461 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] ((unsigned long )_argptr == 0UL) && ((((((((((((i == 11U || i == 10U) || i == 9U) || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U) || i == 3U) || i == 2U) || i == 1U) || (0U == i && i == 0U)) || (12U <= i && i <= 4294967294U)) [2024-01-29 22:58:41,461 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] ((unsigned long )_argptr == 0UL) && ((((((((((((i == 11U || i == 10U) || i == 9U) || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U) || i == 3U) || i == 2U) || i == 1U) || (0U == i && i == 0U)) || (12U <= i && i <= 4294967294U)) [2024-01-29 22:58:41,461 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-29 22:58:41,462 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] ((unsigned long )_argptr == 0UL) && ((((((((((i == 9U || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U) || i == 3U) || i == 2U) || i == 1U) || (0U == i && i == 0U)) || (10U <= i && i <= 4294967294U)) [2024-01-29 22:58:41,462 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-29 22:58:41,462 INFO L98 nessWitnessExtractor]: Loop invariant at [L41-L45] (unsigned long )_argptr == 0UL [2024-01-29 22:58:41,462 INFO L98 nessWitnessExtractor]: Loop invariant at [L41-L45] ((unsigned long )_argptr == 0UL) && ((((((((((((i == 11U || i == 10U) || i == 9U) || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U) || i == 3U) || i == 2U) || i == 1U) || (0U == i && i == 0U)) || 12U <= i) [2024-01-29 22:58:41,463 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] ((0LL - (long long )c) + (long long )counter >= 0LL) && ((long long )c + (long long )counter >= 0LL) [2024-01-29 22:58:41,463 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (((0LL - (long long )c) + (long long )counter >= 0LL) && ((long long )c + (long long )counter >= 0LL)) && ((long long )c - (long long )counter >= 0LL) [2024-01-29 22:58:41,463 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (((0LL - (long long )c) + (long long )counter >= 0LL) && ((long long )c + (long long )counter >= 0LL)) && ((((((((((((i == 11U || i == 10U) || i == 9U) || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U) || i == 3U) || i == 2U) || i == 1U) || (0U == i && i == 0U)) || (12U <= i && i <= 4294967294U)) [2024-01-29 22:58:41,463 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (((0LL - (long long )c) + (long long )counter >= 0LL) && ((long long )c + (long long )counter >= 0LL)) && (c == 0U) [2024-01-29 22:58:41,463 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (((0LL - (long long )c) + (long long )counter >= 0LL) && ((long long )c + (long long )counter >= 0LL)) && ((0LL - (long long )c) - (long long )counter >= 0LL) [2024-01-29 22:58:41,463 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (0LL - (long long )c) + (long long )counter >= 0LL [2024-01-29 22:58:41,463 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (((0LL - (long long )c) + (long long )counter >= 0LL) && ((long long )c + (long long )counter >= 0LL)) && (counter == 0U) [2024-01-29 22:58:41,464 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (((0LL - (long long )c) + (long long )counter >= 0LL) && ((long long )c + (long long )counter >= 0LL)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:41,464 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-29 22:58:41,464 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] ((unsigned long )_argptr == 0UL) && ((((((((((i == 9U || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U) || i == 3U) || i == 2U) || i == 1U) || (0U == i && i == 0U)) || (10U <= i && i <= 4294967294U)) [2024-01-29 22:58:41,464 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-29 22:58:41,464 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] ((unsigned long )_argptr == 0UL) && ((((((((((i == 9U || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U) || i == 3U) || i == 2U) || i == 1U) || (0U == i && i == 0U)) || (10U <= i && i <= 4294967294U)) [2024-01-29 22:58:41,464 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] counter == 0U [2024-01-29 22:58:41,464 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (((0LL - (long long )c) + (long long )counter >= 0LL) && ((long long )c - (long long )counter >= 0LL)) && (counter == 0U) [2024-01-29 22:58:41,465 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] ((0LL - (long long )c) + (long long )counter >= 0LL) && ((long long )c - (long long )counter >= 0LL) [2024-01-29 22:58:41,465 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (0LL - (long long )c) + (long long )counter >= 0LL [2024-01-29 22:58:41,466 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] ((0LL - (long long )c) + (long long )counter >= 0LL) && ((long long )c + (long long )counter >= 0LL) [2024-01-29 22:58:41,466 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] ((0LL - (long long )c) + (long long )counter >= 0LL) && ((0LL - (long long )c) - (long long )counter >= 0LL) [2024-01-29 22:58:41,466 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] ((((0LL - (long long )c) + (long long )counter >= 0LL) && ((long long )c - (long long )counter >= 0LL)) && (counter == 0U)) && (c == 0U) [2024-01-29 22:58:41,484 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 22:58:41,630 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure3.wvr.c[2147,2160] [2024-01-29 22:58:41,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:58:41,645 INFO L202 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 [2024-01-29 22:58:41,727 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure3.wvr.c[2147,2160] [2024-01-29 22:58:41,728 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:58:41,738 INFO L206 MainTranslator]: Completed translation [2024-01-29 22:58:41,739 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:41 WrapperNode [2024-01-29 22:58:41,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 22:58:41,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 22:58:41,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 22:58:41,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 22:58:41,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:41" (1/1) ... [2024-01-29 22:58:41,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:41" (1/1) ... [2024-01-29 22:58:41,800 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 103 [2024-01-29 22:58:41,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 22:58:41,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 22:58:41,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 22:58:41,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 22:58:41,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:41" (1/1) ... [2024-01-29 22:58:41,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:41" (1/1) ... [2024-01-29 22:58:41,817 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:41" (1/1) ... [2024-01-29 22:58:41,830 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-01-29 22:58:41,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:41" (1/1) ... [2024-01-29 22:58:41,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:41" (1/1) ... [2024-01-29 22:58:41,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:41" (1/1) ... [2024-01-29 22:58:41,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:41" (1/1) ... [2024-01-29 22:58:41,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:41" (1/1) ... [2024-01-29 22:58:41,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:41" (1/1) ... [2024-01-29 22:58:41,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 22:58:41,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 22:58:41,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 22:58:41,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 22:58:41,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:41" (1/1) ... [2024-01-29 22:58:41,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:58:41,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 22:58:41,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-29 22:58:41,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-29 22:58:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 22:58:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 22:58:41,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 22:58:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 22:58:41,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 22:58:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 22:58:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 22:58:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 22:58:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 22:58:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 22:58:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 22:58:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 22:58:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-29 22:58:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-29 22:58:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 22:58:41,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 22:58:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 22:58:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 22:58:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 22:58:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 22:58:41,950 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 22:58:42,035 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 22:58:42,036 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 22:58:42,424 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 22:58:42,425 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 22:58:42,613 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 22:58:42,613 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-01-29 22:58:42,614 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:58:42 BoogieIcfgContainer [2024-01-29 22:58:42,615 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 22:58:42,617 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 22:58:42,617 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 22:58:42,620 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 22:58:42,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 10:58:41" (1/4) ... [2024-01-29 22:58:42,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7ecafc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:58:42, skipping insertion in model container [2024-01-29 22:58:42,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:58:41" (2/4) ... [2024-01-29 22:58:42,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7ecafc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 10:58:42, skipping insertion in model container [2024-01-29 22:58:42,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:41" (3/4) ... [2024-01-29 22:58:42,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7ecafc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 10:58:42, skipping insertion in model container [2024-01-29 22:58:42,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:58:42" (4/4) ... [2024-01-29 22:58:42,623 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure3.wvr.c [2024-01-29 22:58:42,637 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 22:58:42,637 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2024-01-29 22:58:42,638 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 22:58:42,713 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-29 22:58:42,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 102 places, 97 transitions, 208 flow [2024-01-29 22:58:42,800 INFO L124 PetriNetUnfolderBase]: 2/95 cut-off events. [2024-01-29 22:58:42,801 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-29 22:58:42,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 95 events. 2/95 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 244 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2024-01-29 22:58:42,804 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 97 transitions, 208 flow [2024-01-29 22:58:42,808 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 94 transitions, 200 flow [2024-01-29 22:58:42,819 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 22:58:42,828 INFO L357 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, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@514460ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 22:58:42,828 INFO L358 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2024-01-29 22:58:42,830 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 22:58:42,831 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 22:58:42,831 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 22:58:42,831 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:58:42,831 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 22:58:42,832 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 75 more)] === [2024-01-29 22:58:42,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:58:42,837 INFO L85 PathProgramCache]: Analyzing trace with hash 14079, now seen corresponding path program 1 times [2024-01-29 22:58:42,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:58:42,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777206198] [2024-01-29 22:58:42,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:58:42,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:58:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:58:43,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:58:43,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:58:43,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777206198] [2024-01-29 22:58:43,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777206198] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:58:43,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:58:43,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 22:58:43,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483904690] [2024-01-29 22:58:43,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:58:43,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:58:43,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:58:43,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:58:43,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:58:43,164 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 97 [2024-01-29 22:58:43,167 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 94 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2024-01-29 22:58:43,167 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:58:43,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 97 [2024-01-29 22:58:43,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:58:43,375 INFO L124 PetriNetUnfolderBase]: 294/842 cut-off events. [2024-01-29 22:58:43,376 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-01-29 22:58:43,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1320 conditions, 842 events. 294/842 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 5697 event pairs, 186 based on Foata normal form. 9/541 useless extension candidates. Maximal degree in co-relation 1189. Up to 445 conditions per place. [2024-01-29 22:58:43,385 INFO L140 encePairwiseOnDemand]: 73/97 looper letters, 27 selfloop transitions, 2 changer transitions 0/72 dead transitions. [2024-01-29 22:58:43,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 72 transitions, 214 flow [2024-01-29 22:58:43,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:58:43,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:58:43,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 186 transitions. [2024-01-29 22:58:43,396 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6391752577319587 [2024-01-29 22:58:43,397 INFO L175 Difference]: Start difference. First operand has 99 places, 94 transitions, 200 flow. Second operand 3 states and 186 transitions. [2024-01-29 22:58:43,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 72 transitions, 214 flow [2024-01-29 22:58:43,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 72 transitions, 206 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-29 22:58:43,403 INFO L231 Difference]: Finished difference. Result has 75 places, 72 transitions, 152 flow [2024-01-29 22:58:43,404 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=152, PETRI_PLACES=75, PETRI_TRANSITIONS=72} [2024-01-29 22:58:43,407 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -24 predicate places. [2024-01-29 22:58:43,407 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 72 transitions, 152 flow [2024-01-29 22:58:43,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2024-01-29 22:58:43,408 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:58:43,408 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-29 22:58:43,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 22:58:43,410 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 75 more)] === [2024-01-29 22:58:43,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:58:43,411 INFO L85 PathProgramCache]: Analyzing trace with hash 13543796, now seen corresponding path program 1 times [2024-01-29 22:58:43,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:58:43,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38193316] [2024-01-29 22:58:43,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:58:43,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:58:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:58:43,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:58:43,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:58:43,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38193316] [2024-01-29 22:58:43,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38193316] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:58:43,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:58:43,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:58:43,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348942322] [2024-01-29 22:58:43,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:58:43,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:58:43,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:58:43,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:58:43,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:58:43,617 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 97 [2024-01-29 22:58:43,619 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 72 transitions, 152 flow. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 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) [2024-01-29 22:58:43,619 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:58:43,619 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 97 [2024-01-29 22:58:43,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:58:43,783 INFO L124 PetriNetUnfolderBase]: 300/805 cut-off events. [2024-01-29 22:58:43,784 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-29 22:58:43,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1320 conditions, 805 events. 300/805 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5422 event pairs, 237 based on Foata normal form. 0/505 useless extension candidates. Maximal degree in co-relation 1287. Up to 493 conditions per place. [2024-01-29 22:58:43,787 INFO L140 encePairwiseOnDemand]: 92/97 looper letters, 40 selfloop transitions, 2 changer transitions 0/69 dead transitions. [2024-01-29 22:58:43,788 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 69 transitions, 230 flow [2024-01-29 22:58:43,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:58:43,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:58:43,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 132 transitions. [2024-01-29 22:58:43,789 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4536082474226804 [2024-01-29 22:58:43,789 INFO L175 Difference]: Start difference. First operand has 75 places, 72 transitions, 152 flow. Second operand 3 states and 132 transitions. [2024-01-29 22:58:43,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 69 transitions, 230 flow [2024-01-29 22:58:43,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 69 transitions, 226 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:58:43,791 INFO L231 Difference]: Finished difference. Result has 72 places, 69 transitions, 146 flow [2024-01-29 22:58:43,791 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=72, PETRI_TRANSITIONS=69} [2024-01-29 22:58:43,792 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -27 predicate places. [2024-01-29 22:58:43,792 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 69 transitions, 146 flow [2024-01-29 22:58:43,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 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) [2024-01-29 22:58:43,792 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:58:43,793 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:58:43,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 22:58:43,793 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 75 more)] === [2024-01-29 22:58:43,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:58:43,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1918418602, now seen corresponding path program 1 times [2024-01-29 22:58:43,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:58:43,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501450025] [2024-01-29 22:58:43,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:58:43,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:58:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:58:43,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:58:43,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:58:43,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501450025] [2024-01-29 22:58:43,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501450025] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:58:43,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:58:43,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:58:43,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313483415] [2024-01-29 22:58:43,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:58:43,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:58:43,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:58:43,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:58:43,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:58:43,863 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 97 [2024-01-29 22:58:43,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 69 transitions, 146 flow. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2024-01-29 22:58:43,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:58:43,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 97 [2024-01-29 22:58:43,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:58:43,930 INFO L124 PetriNetUnfolderBase]: 162/517 cut-off events. [2024-01-29 22:58:43,930 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-29 22:58:43,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 810 conditions, 517 events. 162/517 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 3216 event pairs, 117 based on Foata normal form. 1/357 useless extension candidates. Maximal degree in co-relation 791. Up to 279 conditions per place. [2024-01-29 22:58:43,933 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 27 selfloop transitions, 1 changer transitions 1/58 dead transitions. [2024-01-29 22:58:43,933 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 58 transitions, 182 flow [2024-01-29 22:58:43,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:58:43,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:58:43,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 181 transitions. [2024-01-29 22:58:43,934 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6219931271477663 [2024-01-29 22:58:43,935 INFO L175 Difference]: Start difference. First operand has 72 places, 69 transitions, 146 flow. Second operand 3 states and 181 transitions. [2024-01-29 22:58:43,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 58 transitions, 182 flow [2024-01-29 22:58:43,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 58 transitions, 178 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:58:43,936 INFO L231 Difference]: Finished difference. Result has 62 places, 57 transitions, 119 flow [2024-01-29 22:58:43,936 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=119, PETRI_PLACES=62, PETRI_TRANSITIONS=57} [2024-01-29 22:58:43,937 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -37 predicate places. [2024-01-29 22:58:43,937 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 57 transitions, 119 flow [2024-01-29 22:58:43,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2024-01-29 22:58:43,937 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:58:43,937 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:58:43,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 22:58:43,938 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 75 more)] === [2024-01-29 22:58:43,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:58:43,938 INFO L85 PathProgramCache]: Analyzing trace with hash -71220682, now seen corresponding path program 1 times [2024-01-29 22:58:43,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:58:43,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083933442] [2024-01-29 22:58:43,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:58:43,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:58:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:58:44,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:58:44,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:58:44,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083933442] [2024-01-29 22:58:44,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083933442] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:58:44,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:58:44,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:58:44,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147386913] [2024-01-29 22:58:44,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:58:44,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:58:44,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:58:44,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:58:44,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:58:44,087 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 97 [2024-01-29 22:58:44,087 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 57 transitions, 119 flow. Second operand has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 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) [2024-01-29 22:58:44,088 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:58:44,088 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 97 [2024-01-29 22:58:44,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:58:44,149 INFO L124 PetriNetUnfolderBase]: 139/359 cut-off events. [2024-01-29 22:58:44,149 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-29 22:58:44,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 616 conditions, 359 events. 139/359 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1718 event pairs, 46 based on Foata normal form. 64/365 useless extension candidates. Maximal degree in co-relation 610. Up to 223 conditions per place. [2024-01-29 22:58:44,151 INFO L140 encePairwiseOnDemand]: 89/97 looper letters, 27 selfloop transitions, 2 changer transitions 0/58 dead transitions. [2024-01-29 22:58:44,151 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 58 transitions, 180 flow [2024-01-29 22:58:44,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:58:44,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:58:44,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 239 transitions. [2024-01-29 22:58:44,153 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.615979381443299 [2024-01-29 22:58:44,153 INFO L175 Difference]: Start difference. First operand has 62 places, 57 transitions, 119 flow. Second operand 4 states and 239 transitions. [2024-01-29 22:58:44,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 58 transitions, 180 flow [2024-01-29 22:58:44,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 58 transitions, 179 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 22:58:44,154 INFO L231 Difference]: Finished difference. Result has 57 places, 51 transitions, 110 flow [2024-01-29 22:58:44,154 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=110, PETRI_PLACES=57, PETRI_TRANSITIONS=51} [2024-01-29 22:58:44,155 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -42 predicate places. [2024-01-29 22:58:44,155 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 51 transitions, 110 flow [2024-01-29 22:58:44,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 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) [2024-01-29 22:58:44,156 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:58:44,156 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:58:44,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 22:58:44,156 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 75 more)] === [2024-01-29 22:58:44,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:58:44,156 INFO L85 PathProgramCache]: Analyzing trace with hash 275904962, now seen corresponding path program 1 times [2024-01-29 22:58:44,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:58:44,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665220559] [2024-01-29 22:58:44,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:58:44,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:58:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:58:44,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:58:44,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:58:44,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665220559] [2024-01-29 22:58:44,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665220559] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:58:44,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:58:44,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:58:44,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082613774] [2024-01-29 22:58:44,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:58:44,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:58:44,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:58:44,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:58:44,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:58:44,292 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 97 [2024-01-29 22:58:44,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 51 transitions, 110 flow. Second operand has 4 states, 4 states have (on average 52.5) internal successors, (210), 4 states have internal predecessors, (210), 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) [2024-01-29 22:58:44,293 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:58:44,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 97 [2024-01-29 22:58:44,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:58:44,370 INFO L124 PetriNetUnfolderBase]: 119/345 cut-off events. [2024-01-29 22:58:44,370 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-01-29 22:58:44,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 599 conditions, 345 events. 119/345 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1957 event pairs, 37 based on Foata normal form. 90/387 useless extension candidates. Maximal degree in co-relation 593. Up to 158 conditions per place. [2024-01-29 22:58:44,372 INFO L140 encePairwiseOnDemand]: 89/97 looper letters, 36 selfloop transitions, 3 changer transitions 0/63 dead transitions. [2024-01-29 22:58:44,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 63 transitions, 217 flow [2024-01-29 22:58:44,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:58:44,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:58:44,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 244 transitions. [2024-01-29 22:58:44,373 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6288659793814433 [2024-01-29 22:58:44,373 INFO L175 Difference]: Start difference. First operand has 57 places, 51 transitions, 110 flow. Second operand 4 states and 244 transitions. [2024-01-29 22:58:44,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 63 transitions, 217 flow [2024-01-29 22:58:44,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 63 transitions, 212 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:58:44,375 INFO L231 Difference]: Finished difference. Result has 53 places, 46 transitions, 103 flow [2024-01-29 22:58:44,375 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=103, PETRI_PLACES=53, PETRI_TRANSITIONS=46} [2024-01-29 22:58:44,375 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -46 predicate places. [2024-01-29 22:58:44,376 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 46 transitions, 103 flow [2024-01-29 22:58:44,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.5) internal successors, (210), 4 states have internal predecessors, (210), 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) [2024-01-29 22:58:44,376 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:58:44,376 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:58:44,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 22:58:44,376 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 75 more)] === [2024-01-29 22:58:44,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:58:44,377 INFO L85 PathProgramCache]: Analyzing trace with hash -650897285, now seen corresponding path program 1 times [2024-01-29 22:58:44,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:58:44,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707356847] [2024-01-29 22:58:44,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:58:44,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:58:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:58:44,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:58:44,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:58:44,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707356847] [2024-01-29 22:58:44,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707356847] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:58:44,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:58:44,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:58:44,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067985802] [2024-01-29 22:58:44,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:58:44,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:58:44,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:58:44,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:58:44,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:58:44,580 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 97 [2024-01-29 22:58:44,581 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 46 transitions, 103 flow. Second operand has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 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) [2024-01-29 22:58:44,581 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:58:44,581 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 97 [2024-01-29 22:58:44,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:58:44,651 INFO L124 PetriNetUnfolderBase]: 163/341 cut-off events. [2024-01-29 22:58:44,651 INFO L125 PetriNetUnfolderBase]: For 65/65 co-relation queries the response was YES. [2024-01-29 22:58:44,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 744 conditions, 341 events. 163/341 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1427 event pairs, 15 based on Foata normal form. 0/319 useless extension candidates. Maximal degree in co-relation 738. Up to 156 conditions per place. [2024-01-29 22:58:44,653 INFO L140 encePairwiseOnDemand]: 92/97 looper letters, 36 selfloop transitions, 3 changer transitions 0/56 dead transitions. [2024-01-29 22:58:44,653 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 56 transitions, 215 flow [2024-01-29 22:58:44,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:58:44,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:58:44,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 213 transitions. [2024-01-29 22:58:44,654 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5489690721649485 [2024-01-29 22:58:44,654 INFO L175 Difference]: Start difference. First operand has 53 places, 46 transitions, 103 flow. Second operand 4 states and 213 transitions. [2024-01-29 22:58:44,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 56 transitions, 215 flow [2024-01-29 22:58:44,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 56 transitions, 197 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-01-29 22:58:44,655 INFO L231 Difference]: Finished difference. Result has 51 places, 44 transitions, 99 flow [2024-01-29 22:58:44,656 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=99, PETRI_PLACES=51, PETRI_TRANSITIONS=44} [2024-01-29 22:58:44,656 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -48 predicate places. [2024-01-29 22:58:44,656 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 44 transitions, 99 flow [2024-01-29 22:58:44,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 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) [2024-01-29 22:58:44,657 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:58:44,657 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:58:44,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-29 22:58:44,657 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 75 more)] === [2024-01-29 22:58:44,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:58:44,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1297021155, now seen corresponding path program 1 times [2024-01-29 22:58:44,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:58:44,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578744038] [2024-01-29 22:58:44,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:58:44,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:58:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 22:58:44,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 22:58:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 22:58:44,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 22:58:44,687 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 22:58:44,688 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 78 remaining) [2024-01-29 22:58:44,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 78 remaining) [2024-01-29 22:58:44,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 78 remaining) [2024-01-29 22:58:44,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 78 remaining) [2024-01-29 22:58:44,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 78 remaining) [2024-01-29 22:58:44,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 78 remaining) [2024-01-29 22:58:44,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 78 remaining) [2024-01-29 22:58:44,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 78 remaining) [2024-01-29 22:58:44,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 78 remaining) [2024-01-29 22:58:44,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 78 remaining) [2024-01-29 22:58:44,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 78 remaining) [2024-01-29 22:58:44,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 78 remaining) [2024-01-29 22:58:44,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 78 remaining) [2024-01-29 22:58:44,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 78 remaining) [2024-01-29 22:58:44,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 78 remaining) [2024-01-29 22:58:44,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 78 remaining) [2024-01-29 22:58:44,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 78 remaining) [2024-01-29 22:58:44,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 78 remaining) [2024-01-29 22:58:44,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 78 remaining) [2024-01-29 22:58:44,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 78 remaining) [2024-01-29 22:58:44,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 78 remaining) [2024-01-29 22:58:44,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 78 remaining) [2024-01-29 22:58:44,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 78 remaining) [2024-01-29 22:58:44,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 78 remaining) [2024-01-29 22:58:44,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 78 remaining) [2024-01-29 22:58:44,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 78 remaining) [2024-01-29 22:58:44,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 78 remaining) [2024-01-29 22:58:44,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 78 remaining) [2024-01-29 22:58:44,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 78 remaining) [2024-01-29 22:58:44,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 78 remaining) [2024-01-29 22:58:44,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 78 remaining) [2024-01-29 22:58:44,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 78 remaining) [2024-01-29 22:58:44,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 78 remaining) [2024-01-29 22:58:44,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 78 remaining) [2024-01-29 22:58:44,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 78 remaining) [2024-01-29 22:58:44,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 78 remaining) [2024-01-29 22:58:44,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 78 remaining) [2024-01-29 22:58:44,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 78 remaining) [2024-01-29 22:58:44,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 78 remaining) [2024-01-29 22:58:44,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 78 remaining) [2024-01-29 22:58:44,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 78 remaining) [2024-01-29 22:58:44,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 78 remaining) [2024-01-29 22:58:44,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 78 remaining) [2024-01-29 22:58:44,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 78 remaining) [2024-01-29 22:58:44,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 78 remaining) [2024-01-29 22:58:44,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 78 remaining) [2024-01-29 22:58:44,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (31 of 78 remaining) [2024-01-29 22:58:44,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 78 remaining) [2024-01-29 22:58:44,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 78 remaining) [2024-01-29 22:58:44,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 78 remaining) [2024-01-29 22:58:44,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 78 remaining) [2024-01-29 22:58:44,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 78 remaining) [2024-01-29 22:58:44,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 78 remaining) [2024-01-29 22:58:44,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 78 remaining) [2024-01-29 22:58:44,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 78 remaining) [2024-01-29 22:58:44,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 78 remaining) [2024-01-29 22:58:44,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 78 remaining) [2024-01-29 22:58:44,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 78 remaining) [2024-01-29 22:58:44,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 78 remaining) [2024-01-29 22:58:44,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 78 remaining) [2024-01-29 22:58:44,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 78 remaining) [2024-01-29 22:58:44,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 78 remaining) [2024-01-29 22:58:44,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 78 remaining) [2024-01-29 22:58:44,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 78 remaining) [2024-01-29 22:58:44,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 78 remaining) [2024-01-29 22:58:44,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 78 remaining) [2024-01-29 22:58:44,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 78 remaining) [2024-01-29 22:58:44,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 78 remaining) [2024-01-29 22:58:44,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 78 remaining) [2024-01-29 22:58:44,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 78 remaining) [2024-01-29 22:58:44,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 78 remaining) [2024-01-29 22:58:44,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 78 remaining) [2024-01-29 22:58:44,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 78 remaining) [2024-01-29 22:58:44,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 78 remaining) [2024-01-29 22:58:44,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 78 remaining) [2024-01-29 22:58:44,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 78 remaining) [2024-01-29 22:58:44,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 78 remaining) [2024-01-29 22:58:44,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 78 remaining) [2024-01-29 22:58:44,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-29 22:58:44,701 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:58:44,705 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 22:58:44,705 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 22:58:44,731 INFO L503 ceAbstractionStarter]: Automizer considered 45 witness invariants [2024-01-29 22:58:44,731 INFO L504 ceAbstractionStarter]: WitnessConsidered=45 [2024-01-29 22:58:44,732 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 10:58:44 BasicIcfg [2024-01-29 22:58:44,732 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 22:58:44,732 INFO L158 Benchmark]: Toolchain (without parser) took 3310.24ms. Allocated memory was 125.8MB in the beginning and 213.9MB in the end (delta: 88.1MB). Free memory was 68.9MB in the beginning and 84.0MB in the end (delta: -15.1MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. [2024-01-29 22:58:44,733 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 22:58:44,733 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 125.8MB. Free memory was 72.7MB in the beginning and 72.3MB in the end (delta: 367.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 22:58:44,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.13ms. Allocated memory was 125.8MB in the beginning and 178.3MB in the end (delta: 52.4MB). Free memory was 68.5MB in the beginning and 141.5MB in the end (delta: -73.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-01-29 22:58:44,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.80ms. Allocated memory is still 178.3MB. Free memory was 141.5MB in the beginning and 138.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-29 22:58:44,733 INFO L158 Benchmark]: Boogie Preprocessor took 65.99ms. Allocated memory is still 178.3MB. Free memory was 138.2MB in the beginning and 135.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 22:58:44,734 INFO L158 Benchmark]: RCFGBuilder took 747.28ms. Allocated memory is still 178.3MB. Free memory was 135.2MB in the beginning and 111.7MB in the end (delta: 23.5MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2024-01-29 22:58:44,734 INFO L158 Benchmark]: TraceAbstraction took 2114.82ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 111.7MB in the beginning and 84.0MB in the end (delta: 27.6MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2024-01-29 22:58:44,735 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 125.8MB. Free memory was 72.7MB in the beginning and 72.3MB in the end (delta: 367.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.13ms. Allocated memory was 125.8MB in the beginning and 178.3MB in the end (delta: 52.4MB). Free memory was 68.5MB in the beginning and 141.5MB in the end (delta: -73.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.80ms. Allocated memory is still 178.3MB. Free memory was 141.5MB in the beginning and 138.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.99ms. Allocated memory is still 178.3MB. Free memory was 138.2MB in the beginning and 135.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 747.28ms. Allocated memory is still 178.3MB. Free memory was 135.2MB in the beginning and 111.7MB in the end (delta: 23.5MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2114.82ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 111.7MB in the beginning and 84.0MB in the end (delta: 27.6MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 43]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] 0 unsigned int N, counter, c; [L62] 0 pthread_t t1, t2; VAL [N=0, c=0, counter=0, t1={5:0}, t2={3:0}] [L64] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]]] VAL [N=0, c=0, counter=0, t1={5:0}, t2={3:0}] [L64] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[c]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]]]] VAL [N=0, c=0, counter=0, t1={5:0}, t2={3:0}] [L64] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[c]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]],BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[counter],IntegerLiteral[0U]]]]] VAL [N=0, c=0, counter=0, t1={5:0}, t2={3:0}] [L64] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[c]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[c]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]]]] VAL [N=0, c=0, counter=0, t1={5:0}, t2={3:0}] [L64] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[c]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]]]] VAL [N=0, c=0, counter=0, t1={5:0}, t2={3:0}] [L64] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[c]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]],BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]]]] VAL [N=0, c=0, counter=0, t1={5:0}, t2={3:0}] [L64] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[c]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]],BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]]]] [L64] 0 N = __VERIFIER_nondet_uint() [L65] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[c]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]],BinaryExpression[COMPEQ,IdentifierExpression[counter],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]]]] VAL [c=0, counter=0, t1={5:0}, t2={3:0}] [L65] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]]]] VAL [c=0, counter=0, t1={5:0}, t2={3:0}] [L65] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[c]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]]]] VAL [c=0, counter=0, t1={5:0}, t2={3:0}] [L65] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]]] VAL [c=0, counter=0, t1={5:0}, t2={3:0}] [L65] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[c]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]]]] VAL [c=0, counter=0, t1={5:0}, t2={3:0}] [L65] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[c]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]],BinaryExpression[COMPEQ,IdentifierExpression[counter],IntegerLiteral[0U]]]]] [L65] 0 c = __VERIFIER_nondet_uint() [L67] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[counter],IntegerLiteral[0U]]]] [L67] CALL 0 assume_abort_if_not(c > 0) [L35] COND FALSE 0 !(!cond) [L67] RET 0 assume_abort_if_not(c > 0) [L70] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[counter],IntegerLiteral[0U]]]] [L70] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [_argptr={0:0}, c=1, counter=0, t1={5:0}, t2={3:0}] [L41] 1 unsigned int i=0; VAL [_argptr={0:0}, _argptr={0:0}, c=1, counter=0, i=0] [L41] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[_argptr]],IntegerLiteral[0UL]]]] VAL [_argptr={0:0}, _argptr={0:0}, c=1, counter=0, i=0] [L41] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[_argptr]],IntegerLiteral[0UL]],BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[11U]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[10U]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[9U]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[8U]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[7U]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[6U]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[5U]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[4U]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[3U]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[2U]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[1U]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0U],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0U]]]],BinaryExpression[COMPLEQ,IntegerLiteral[12U],IdentifierExpression[i]]]]]] VAL [_argptr={0:0}, _argptr={0:0}, c=1, counter=0, i=0] [L41] COND TRUE 1 i