./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-bluetooth.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/parallel-bluetooth.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 59af5db6 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/parallel-bluetooth.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-bluetooth.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-59af5db-m [2024-02-02 09:20:07,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-02 09:20:07,352 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-02 09:20:07,358 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-02 09:20:07,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-02 09:20:07,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-02 09:20:07,383 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-02 09:20:07,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-02 09:20:07,384 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-02 09:20:07,387 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-02 09:20:07,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-02 09:20:07,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-02 09:20:07,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-02 09:20:07,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-02 09:20:07,389 INFO L153 SettingsManager]: * Use SBE=true [2024-02-02 09:20:07,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-02 09:20:07,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-02 09:20:07,390 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-02 09:20:07,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-02 09:20:07,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-02 09:20:07,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-02 09:20:07,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-02 09:20:07,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-02 09:20:07,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-02 09:20:07,392 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-02 09:20:07,392 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-02 09:20:07,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-02 09:20:07,392 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-02 09:20:07,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-02 09:20:07,393 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-02 09:20:07,394 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-02 09:20:07,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-02 09:20:07,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:20:07,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-02 09:20:07,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-02 09:20:07,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-02 09:20:07,395 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-02 09:20:07,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-02 09:20:07,395 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-02 09:20:07,395 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-02 09:20:07,395 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-02 09:20:07,396 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-02 09:20:07,396 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-02 09:20:07,396 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-02 09:20:07,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-02 09:20:07,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-02 09:20:07,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-02 09:20:07,675 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-02 09:20:07,675 INFO L274 PluginConnector]: CDTParser initialized [2024-02-02 09:20:07,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2024-02-02 09:20:08,710 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-02 09:20:08,887 INFO L384 CDTParser]: Found 1 translation units. [2024-02-02 09:20:08,888 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2024-02-02 09:20:08,898 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/648830b2c/bcaf326ce88a4356bec5135ecc48dd12/FLAGb351a52e8 [2024-02-02 09:20:08,913 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/648830b2c/bcaf326ce88a4356bec5135ecc48dd12 [2024-02-02 09:20:08,915 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-02 09:20:08,916 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-02 09:20:08,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-bluetooth.wvr.yml/witness.yml [2024-02-02 09:20:09,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-02 09:20:09,083 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-02 09:20:09,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-02 09:20:09,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-02 09:20:09,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-02 09:20:09,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:20:08" (1/2) ... [2024-02-02 09:20:09,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b178f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:20:09, skipping insertion in model container [2024-02-02 09:20:09,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:20:08" (1/2) ... [2024-02-02 09:20:09,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60b82b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:20:09, skipping insertion in model container [2024-02-02 09:20:09,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:20:09" (2/2) ... [2024-02-02 09:20:09,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b178f1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:09, skipping insertion in model container [2024-02-02 09:20:09,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:20:09" (2/2) ... [2024-02-02 09:20:09,092 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-02 09:20:09,131 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-02 09:20:09,132 INFO L101 nessWitnessExtractor]: Location invariant before [L95-L95] ((((pos == 0) && (sFlag == (_Bool)0)) && (sEvent == (_Bool)0)) && (stopped == (_Bool)0)) && (v_assert == (_Bool)0) [2024-02-02 09:20:09,132 INFO L101 nessWitnessExtractor]: Location invariant before [L51-L51] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,132 INFO L101 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-02-02 09:20:09,132 INFO L101 nessWitnessExtractor]: Location invariant before [L81-L81] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,133 INFO L101 nessWitnessExtractor]: Location invariant before [L75-L79] (unsigned long )_argptr == 0UL [2024-02-02 09:20:09,133 INFO L101 nessWitnessExtractor]: Location invariant before [L73-L73] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,133 INFO L101 nessWitnessExtractor]: Location invariant before [L78-L78] ((((sEvent == (_Bool)1) && ((unsigned long )_argptr == 0UL)) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,133 INFO L101 nessWitnessExtractor]: Location invariant before [L98-L98] (((stopped == (_Bool)0) && (v_assert == (_Bool)0)) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1) [2024-02-02 09:20:09,133 INFO L101 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-02-02 09:20:09,133 INFO L101 nessWitnessExtractor]: Location invariant before [L82-L82] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,133 INFO L101 nessWitnessExtractor]: Location invariant before [L105-L105] (((sFlag == (_Bool)0 || sFlag == (_Bool)1) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,134 INFO L101 nessWitnessExtractor]: Location invariant before [L70-L70] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,134 INFO L101 nessWitnessExtractor]: Location invariant before [L74-L74] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,134 INFO L101 nessWitnessExtractor]: Location invariant before [L94-L94] (((((count == 0) && (pos == 0)) && (sFlag == (_Bool)0)) && (sEvent == (_Bool)0)) && (stopped == (_Bool)0)) && (v_assert == (_Bool)0) [2024-02-02 09:20:09,134 INFO L101 nessWitnessExtractor]: Location invariant before [L22-L25] ((((pos == 0) && (sFlag == (_Bool)0)) && (sEvent == (_Bool)0)) && (stopped == (_Bool)0)) && (v_assert == (_Bool)0) [2024-02-02 09:20:09,134 INFO L101 nessWitnessExtractor]: Location invariant before [L84-L84] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,134 INFO L101 nessWitnessExtractor]: Location invariant before [L77-L77] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,134 INFO L101 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-02-02 09:20:09,135 INFO L101 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-02-02 09:20:09,135 INFO L101 nessWitnessExtractor]: Location invariant before [L97-L97] (((sEvent == (_Bool)0) && (stopped == (_Bool)0)) && (v_assert == (_Bool)0)) && (sFlag == (_Bool)0 || sFlag == (_Bool)1) [2024-02-02 09:20:09,135 INFO L101 nessWitnessExtractor]: Location invariant before [L65-L65] ((((sFlag == (_Bool)1) && ((unsigned long )_argptr == 0UL)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,135 INFO L101 nessWitnessExtractor]: Location invariant before [L71-L71] (((((count <= 2147483646) && ((unsigned long )_argptr == 0UL)) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,135 INFO L101 nessWitnessExtractor]: Location invariant before [L48-L48] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,136 INFO L101 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-02-02 09:20:09,136 INFO L101 nessWitnessExtractor]: Location invariant before [L96-L96] (((sFlag == (_Bool)0) && (sEvent == (_Bool)0)) && (stopped == (_Bool)0)) && (v_assert == (_Bool)0) [2024-02-02 09:20:09,136 INFO L101 nessWitnessExtractor]: Location invariant before [L67-L67] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,136 INFO L101 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-02-02 09:20:09,136 INFO L101 nessWitnessExtractor]: Location invariant before [L109-L109] (((sFlag == (_Bool)0 || sFlag == (_Bool)1) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,136 INFO L101 nessWitnessExtractor]: Location invariant before [L64-L64] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,136 INFO L101 nessWitnessExtractor]: Location invariant before [L87-L87] (unsigned long )_argptr == 0UL [2024-02-02 09:20:09,137 INFO L101 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-02-02 09:20:09,137 INFO L101 nessWitnessExtractor]: Location invariant before [L45-L45] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,137 INFO L101 nessWitnessExtractor]: Location invariant before [L106-L106] (((sFlag == (_Bool)0 || sFlag == (_Bool)1) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,137 INFO L101 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-02-02 09:20:09,137 INFO L101 nessWitnessExtractor]: Location invariant after [L18-L19] ((((v_assert == (_Bool)0) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (val == (_Bool)0 || val == (_Bool)1) [2024-02-02 09:20:09,138 INFO L101 nessWitnessExtractor]: Location invariant before [L99-L99] (((v_assert == (_Bool)0) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1) [2024-02-02 09:20:09,138 INFO L101 nessWitnessExtractor]: Location invariant before [L53-L57] (unsigned long )_argptr == 0UL [2024-02-02 09:20:09,138 INFO L101 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-02-02 09:20:09,139 INFO L101 nessWitnessExtractor]: Location invariant before [L107-L107] (((sFlag == (_Bool)0 || sFlag == (_Bool)1) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,139 INFO L101 nessWitnessExtractor]: Location invariant before [L44-L44] ((((sFlag == (_Bool)0) && ((unsigned long )_argptr == 0UL)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,139 INFO L101 nessWitnessExtractor]: Location invariant before [L104-L104] (((sFlag == (_Bool)0 || sFlag == (_Bool)1) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,139 INFO L101 nessWitnessExtractor]: Location invariant before [L63-L63] (unsigned long )_argptr == 0UL [2024-02-02 09:20:09,139 INFO L101 nessWitnessExtractor]: Location invariant before [L85-L85] ((((stopped == (_Bool)1) && ((unsigned long )_argptr == 0UL)) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,140 INFO L101 nessWitnessExtractor]: Location invariant before [L103-L103] (((sFlag == (_Bool)0 || sFlag == (_Bool)1) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,140 INFO L101 nessWitnessExtractor]: Location invariant before [L56-L56] ((((sEvent == (_Bool)1) && ((unsigned long )_argptr == 0UL)) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,140 INFO L101 nessWitnessExtractor]: Location invariant before [L55-L55] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,140 INFO L101 nessWitnessExtractor]: Location invariant before [L49-L49] (((((count <= 2147483646) && ((unsigned long )_argptr == 0UL)) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,140 INFO L101 nessWitnessExtractor]: Location invariant before [L102-L102] (((sFlag == (_Bool)0 || sFlag == (_Bool)1) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,140 INFO L101 nessWitnessExtractor]: Location invariant before [L52-L52] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,141 INFO L101 nessWitnessExtractor]: Location invariant before [L68-L68] (((((count <= 2147483646) && ((unsigned long )_argptr == 0UL)) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-02-02 09:20:09,141 INFO L101 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-02-02 09:20:09,141 INFO L101 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-02-02 09:20:09,158 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-02 09:20:09,308 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/parallel-bluetooth.wvr.c[3160,3173] [2024-02-02 09:20:09,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:20:09,324 INFO L202 MainTranslator]: Completed pre-run [2024-02-02 09:20:09,332 WARN L424 MainDispatcher]: Unable to annotate __assert_fail(const char *__assertion, const char *__file, unsigned int __line, const char *__function) with a witness entry [2024-02-02 09:20:09,335 WARN L424 MainDispatcher]: Unable to annotate extern int pthread_create (pthread_t *__restrict __newthread, const pthread_attr_t *__restrict __attr, void *(*__start_routine) (void *), void *__restrict __arg) __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 3))); with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-02 09:20:09,453 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/parallel-bluetooth.wvr.c[3160,3173] [2024-02-02 09:20:09,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:20:09,486 INFO L206 MainTranslator]: Completed translation [2024-02-02 09:20:09,487 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:09 WrapperNode [2024-02-02 09:20:09,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-02 09:20:09,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-02 09:20:09,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-02 09:20:09,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-02 09:20:09,493 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 02.02 09:20:09" (1/1) ... [2024-02-02 09:20:09,514 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 02.02 09:20:09" (1/1) ... [2024-02-02 09:20:09,551 INFO L138 Inliner]: procedures = 21, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 161 [2024-02-02 09:20:09,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-02 09:20:09,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-02 09:20:09,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-02 09:20:09,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-02 09:20:09,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:09" (1/1) ... [2024-02-02 09:20:09,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:09" (1/1) ... [2024-02-02 09:20:09,575 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:09" (1/1) ... [2024-02-02 09:20:09,597 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]. [2024-02-02 09:20:09,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:09" (1/1) ... [2024-02-02 09:20:09,597 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:09" (1/1) ... [2024-02-02 09:20:09,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:09" (1/1) ... [2024-02-02 09:20:09,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:09" (1/1) ... [2024-02-02 09:20:09,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:09" (1/1) ... [2024-02-02 09:20:09,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:09" (1/1) ... [2024-02-02 09:20:09,620 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-02 09:20:09,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-02 09:20:09,621 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-02 09:20:09,621 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-02 09:20:09,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:09" (1/1) ... [2024-02-02 09:20:09,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:20:09,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-02 09:20:09,646 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) [2024-02-02 09:20:09,685 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 [2024-02-02 09:20:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-02 09:20:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-02 09:20:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-02 09:20:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-02 09:20:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-02 09:20:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-02 09:20:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-02 09:20:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-02 09:20:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-02 09:20:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-02 09:20:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-02 09:20:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-02 09:20:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-02 09:20:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-02 09:20:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-02 09:20:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-02 09:20:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-02 09:20:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-02 09:20:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-02 09:20:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-02 09:20:09,702 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-02 09:20:09,864 INFO L244 CfgBuilder]: Building ICFG [2024-02-02 09:20:09,866 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-02 09:20:10,364 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-02 09:20:10,365 INFO L293 CfgBuilder]: Performing block encoding [2024-02-02 09:20:10,590 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-02 09:20:10,590 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-02 09:20:10,592 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:20:10 BoogieIcfgContainer [2024-02-02 09:20:10,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-02 09:20:10,594 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-02 09:20:10,595 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-02 09:20:10,597 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-02 09:20:10,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:20:08" (1/4) ... [2024-02-02 09:20:10,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f2331a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:20:10, skipping insertion in model container [2024-02-02 09:20:10,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:20:09" (2/4) ... [2024-02-02 09:20:10,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f2331a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:20:10, skipping insertion in model container [2024-02-02 09:20:10,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:09" (3/4) ... [2024-02-02 09:20:10,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f2331a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:20:10, skipping insertion in model container [2024-02-02 09:20:10,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:20:10" (4/4) ... [2024-02-02 09:20:10,601 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2024-02-02 09:20:10,614 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-02 09:20:10,614 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 51 error locations. [2024-02-02 09:20:10,614 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-02 09:20:10,723 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-02 09:20:10,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 113 places, 108 transitions, 230 flow [2024-02-02 09:20:10,792 INFO L124 PetriNetUnfolderBase]: 2/106 cut-off events. [2024-02-02 09:20:10,792 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-02 09:20:10,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 106 events. 2/106 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 228 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2024-02-02 09:20:10,796 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 108 transitions, 230 flow [2024-02-02 09:20:10,800 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 110 places, 105 transitions, 222 flow [2024-02-02 09:20:10,811 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-02 09:20:10,816 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;@31225aac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-02 09:20:10,817 INFO L358 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2024-02-02 09:20:10,818 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-02 09:20:10,818 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-02 09:20:10,819 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:20:10,819 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:20:10,819 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-02 09:20:10,819 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 87 more)] === [2024-02-02 09:20:10,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:20:10,823 INFO L85 PathProgramCache]: Analyzing trace with hash 17432, now seen corresponding path program 1 times [2024-02-02 09:20:10,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:20:10,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226953975] [2024-02-02 09:20:10,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:20:10,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:20:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:20:11,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:20:11,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:20:11,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226953975] [2024-02-02 09:20:11,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226953975] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:20:11,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:20:11,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:20:11,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445808431] [2024-02-02 09:20:11,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:20:11,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:20:11,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:20:11,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:20:11,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:20:11,252 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 108 [2024-02-02 09:20:11,255 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 105 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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) [2024-02-02 09:20:11,255 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:20:11,255 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 108 [2024-02-02 09:20:11,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:20:11,527 INFO L124 PetriNetUnfolderBase]: 643/1371 cut-off events. [2024-02-02 09:20:11,528 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-02-02 09:20:11,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2531 conditions, 1371 events. 643/1371 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 9789 event pairs, 569 based on Foata normal form. 0/738 useless extension candidates. Maximal degree in co-relation 2299. Up to 1113 conditions per place. [2024-02-02 09:20:11,536 INFO L140 encePairwiseOnDemand]: 97/108 looper letters, 59 selfloop transitions, 2 changer transitions 0/96 dead transitions. [2024-02-02 09:20:11,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 96 transitions, 326 flow [2024-02-02 09:20:11,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:20:11,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:20:11,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 181 transitions. [2024-02-02 09:20:11,546 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.558641975308642 [2024-02-02 09:20:11,547 INFO L175 Difference]: Start difference. First operand has 110 places, 105 transitions, 222 flow. Second operand 3 states and 181 transitions. [2024-02-02 09:20:11,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 96 transitions, 326 flow [2024-02-02 09:20:11,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 96 transitions, 318 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-02 09:20:11,552 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 200 flow [2024-02-02 09:20:11,553 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=200, PETRI_PLACES=99, PETRI_TRANSITIONS=96} [2024-02-02 09:20:11,555 INFO L281 CegarLoopForPetriNet]: 110 programPoint places, -11 predicate places. [2024-02-02 09:20:11,556 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 200 flow [2024-02-02 09:20:11,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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) [2024-02-02 09:20:11,556 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:20:11,556 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-02 09:20:11,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-02 09:20:11,557 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 87 more)] === [2024-02-02 09:20:11,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:20:11,557 INFO L85 PathProgramCache]: Analyzing trace with hash 540984, now seen corresponding path program 1 times [2024-02-02 09:20:11,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:20:11,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470179861] [2024-02-02 09:20:11,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:20:11,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:20:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:20:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:20:11,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:20:11,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470179861] [2024-02-02 09:20:11,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470179861] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:20:11,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:20:11,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-02 09:20:11,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040103711] [2024-02-02 09:20:11,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:20:11,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:20:11,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:20:11,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:20:11,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:20:11,627 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 108 [2024-02-02 09:20:11,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 96 transitions, 200 flow. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 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) [2024-02-02 09:20:11,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:20:11,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 108 [2024-02-02 09:20:11,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:20:11,870 INFO L124 PetriNetUnfolderBase]: 643/1370 cut-off events. [2024-02-02 09:20:11,870 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-02 09:20:11,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2499 conditions, 1370 events. 643/1370 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 9815 event pairs, 569 based on Foata normal form. 0/738 useless extension candidates. Maximal degree in co-relation 2490. Up to 1100 conditions per place. [2024-02-02 09:20:11,877 INFO L140 encePairwiseOnDemand]: 104/108 looper letters, 57 selfloop transitions, 3 changer transitions 0/95 dead transitions. [2024-02-02 09:20:11,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 95 transitions, 318 flow [2024-02-02 09:20:11,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-02 09:20:11,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-02 09:20:11,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 213 transitions. [2024-02-02 09:20:11,879 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4930555555555556 [2024-02-02 09:20:11,879 INFO L175 Difference]: Start difference. First operand has 99 places, 96 transitions, 200 flow. Second operand 4 states and 213 transitions. [2024-02-02 09:20:11,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 95 transitions, 318 flow [2024-02-02 09:20:11,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 95 transitions, 314 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:20:11,881 INFO L231 Difference]: Finished difference. Result has 99 places, 95 transitions, 200 flow [2024-02-02 09:20:11,881 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=200, PETRI_PLACES=99, PETRI_TRANSITIONS=95} [2024-02-02 09:20:11,882 INFO L281 CegarLoopForPetriNet]: 110 programPoint places, -11 predicate places. [2024-02-02 09:20:11,882 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 95 transitions, 200 flow [2024-02-02 09:20:11,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 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) [2024-02-02 09:20:11,883 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:20:11,883 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-02 09:20:11,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-02 09:20:11,883 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 87 more)] === [2024-02-02 09:20:11,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:20:11,884 INFO L85 PathProgramCache]: Analyzing trace with hash 16771121, now seen corresponding path program 1 times [2024-02-02 09:20:11,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:20:11,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707828494] [2024-02-02 09:20:11,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:20:11,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:20:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:20:11,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:20:11,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:20:11,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707828494] [2024-02-02 09:20:11,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707828494] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:20:11,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:20:11,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-02 09:20:11,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203710079] [2024-02-02 09:20:11,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:20:11,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:20:11,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:20:11,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:20:11,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:20:11,969 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 108 [2024-02-02 09:20:11,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 95 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2024-02-02 09:20:11,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:20:11,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 108 [2024-02-02 09:20:11,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:20:12,309 INFO L124 PetriNetUnfolderBase]: 643/1369 cut-off events. [2024-02-02 09:20:12,310 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-02 09:20:12,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2498 conditions, 1369 events. 643/1369 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 9793 event pairs, 569 based on Foata normal form. 0/739 useless extension candidates. Maximal degree in co-relation 2468. Up to 1109 conditions per place. [2024-02-02 09:20:12,317 INFO L140 encePairwiseOnDemand]: 105/108 looper letters, 57 selfloop transitions, 2 changer transitions 0/94 dead transitions. [2024-02-02 09:20:12,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 94 transitions, 316 flow [2024-02-02 09:20:12,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:20:12,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:20:12,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 177 transitions. [2024-02-02 09:20:12,319 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5462962962962963 [2024-02-02 09:20:12,319 INFO L175 Difference]: Start difference. First operand has 99 places, 95 transitions, 200 flow. Second operand 3 states and 177 transitions. [2024-02-02 09:20:12,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 94 transitions, 316 flow [2024-02-02 09:20:12,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 94 transitions, 311 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:20:12,321 INFO L231 Difference]: Finished difference. Result has 98 places, 94 transitions, 197 flow [2024-02-02 09:20:12,322 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=197, PETRI_PLACES=98, PETRI_TRANSITIONS=94} [2024-02-02 09:20:12,322 INFO L281 CegarLoopForPetriNet]: 110 programPoint places, -12 predicate places. [2024-02-02 09:20:12,322 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 94 transitions, 197 flow [2024-02-02 09:20:12,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2024-02-02 09:20:12,323 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:20:12,323 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-02 09:20:12,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-02 09:20:12,323 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 87 more)] === [2024-02-02 09:20:12,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:20:12,323 INFO L85 PathProgramCache]: Analyzing trace with hash 519905329, now seen corresponding path program 1 times [2024-02-02 09:20:12,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:20:12,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163645777] [2024-02-02 09:20:12,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:20:12,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:20:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:20:12,332 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-02 09:20:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:20:12,351 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-02 09:20:12,351 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-02 09:20:12,352 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 90 remaining) [2024-02-02 09:20:12,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 90 remaining) [2024-02-02 09:20:12,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 90 remaining) [2024-02-02 09:20:12,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 90 remaining) [2024-02-02 09:20:12,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 90 remaining) [2024-02-02 09:20:12,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 90 remaining) [2024-02-02 09:20:12,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 90 remaining) [2024-02-02 09:20:12,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 90 remaining) [2024-02-02 09:20:12,355 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 90 remaining) [2024-02-02 09:20:12,355 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 90 remaining) [2024-02-02 09:20:12,355 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 90 remaining) [2024-02-02 09:20:12,355 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 90 remaining) [2024-02-02 09:20:12,355 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 90 remaining) [2024-02-02 09:20:12,355 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 90 remaining) [2024-02-02 09:20:12,355 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 90 remaining) [2024-02-02 09:20:12,355 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 90 remaining) [2024-02-02 09:20:12,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 90 remaining) [2024-02-02 09:20:12,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 90 remaining) [2024-02-02 09:20:12,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 90 remaining) [2024-02-02 09:20:12,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 90 remaining) [2024-02-02 09:20:12,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 90 remaining) [2024-02-02 09:20:12,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 90 remaining) [2024-02-02 09:20:12,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 90 remaining) [2024-02-02 09:20:12,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 90 remaining) [2024-02-02 09:20:12,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 90 remaining) [2024-02-02 09:20:12,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 90 remaining) [2024-02-02 09:20:12,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 90 remaining) [2024-02-02 09:20:12,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 90 remaining) [2024-02-02 09:20:12,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 90 remaining) [2024-02-02 09:20:12,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 90 remaining) [2024-02-02 09:20:12,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 90 remaining) [2024-02-02 09:20:12,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 90 remaining) [2024-02-02 09:20:12,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 90 remaining) [2024-02-02 09:20:12,358 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 90 remaining) [2024-02-02 09:20:12,358 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 90 remaining) [2024-02-02 09:20:12,358 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 90 remaining) [2024-02-02 09:20:12,358 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 90 remaining) [2024-02-02 09:20:12,358 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err22ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 90 remaining) [2024-02-02 09:20:12,358 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 90 remaining) [2024-02-02 09:20:12,358 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 90 remaining) [2024-02-02 09:20:12,358 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 90 remaining) [2024-02-02 09:20:12,358 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 90 remaining) [2024-02-02 09:20:12,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 90 remaining) [2024-02-02 09:20:12,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 90 remaining) [2024-02-02 09:20:12,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 90 remaining) [2024-02-02 09:20:12,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 90 remaining) [2024-02-02 09:20:12,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 90 remaining) [2024-02-02 09:20:12,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 90 remaining) [2024-02-02 09:20:12,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 90 remaining) [2024-02-02 09:20:12,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 90 remaining) [2024-02-02 09:20:12,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (39 of 90 remaining) [2024-02-02 09:20:12,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 90 remaining) [2024-02-02 09:20:12,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 90 remaining) [2024-02-02 09:20:12,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 90 remaining) [2024-02-02 09:20:12,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 90 remaining) [2024-02-02 09:20:12,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 90 remaining) [2024-02-02 09:20:12,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 90 remaining) [2024-02-02 09:20:12,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 90 remaining) [2024-02-02 09:20:12,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 90 remaining) [2024-02-02 09:20:12,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 90 remaining) [2024-02-02 09:20:12,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 90 remaining) [2024-02-02 09:20:12,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 90 remaining) [2024-02-02 09:20:12,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 90 remaining) [2024-02-02 09:20:12,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 90 remaining) [2024-02-02 09:20:12,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 90 remaining) [2024-02-02 09:20:12,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 90 remaining) [2024-02-02 09:20:12,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 90 remaining) [2024-02-02 09:20:12,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 90 remaining) [2024-02-02 09:20:12,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 90 remaining) [2024-02-02 09:20:12,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 90 remaining) [2024-02-02 09:20:12,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 90 remaining) [2024-02-02 09:20:12,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 90 remaining) [2024-02-02 09:20:12,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 90 remaining) [2024-02-02 09:20:12,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 90 remaining) [2024-02-02 09:20:12,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 90 remaining) [2024-02-02 09:20:12,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 90 remaining) [2024-02-02 09:20:12,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 90 remaining) [2024-02-02 09:20:12,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 90 remaining) [2024-02-02 09:20:12,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 90 remaining) [2024-02-02 09:20:12,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 90 remaining) [2024-02-02 09:20:12,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 90 remaining) [2024-02-02 09:20:12,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 90 remaining) [2024-02-02 09:20:12,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 90 remaining) [2024-02-02 09:20:12,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 90 remaining) [2024-02-02 09:20:12,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 90 remaining) [2024-02-02 09:20:12,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 90 remaining) [2024-02-02 09:20:12,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 90 remaining) [2024-02-02 09:20:12,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 90 remaining) [2024-02-02 09:20:12,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 90 remaining) [2024-02-02 09:20:12,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err22ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 90 remaining) [2024-02-02 09:20:12,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-02 09:20:12,363 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-02-02 09:20:12,368 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-02 09:20:12,368 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-02 09:20:12,381 INFO L503 ceAbstractionStarter]: Automizer considered 50 witness invariants [2024-02-02 09:20:12,381 INFO L504 ceAbstractionStarter]: WitnessConsidered=50 [2024-02-02 09:20:12,382 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 09:20:12 BasicIcfg [2024-02-02 09:20:12,382 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-02 09:20:12,382 INFO L158 Benchmark]: Toolchain (without parser) took 3298.88ms. Allocated memory was 197.1MB in the beginning and 295.7MB in the end (delta: 98.6MB). Free memory was 117.7MB in the beginning and 223.6MB in the end (delta: -105.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:20:12,382 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:20:12,382 INFO L158 Benchmark]: Witness Parser took 0.39ms. Allocated memory is still 197.1MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:20:12,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.66ms. Allocated memory is still 197.1MB. Free memory was 117.5MB in the beginning and 95.4MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-02-02 09:20:12,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.01ms. Allocated memory is still 197.1MB. Free memory was 95.4MB in the beginning and 92.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-02 09:20:12,383 INFO L158 Benchmark]: Boogie Preprocessor took 63.07ms. Allocated memory is still 197.1MB. Free memory was 92.5MB in the beginning and 89.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-02 09:20:12,383 INFO L158 Benchmark]: RCFGBuilder took 971.34ms. Allocated memory is still 197.1MB. Free memory was 89.3MB in the beginning and 71.4MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-02-02 09:20:12,383 INFO L158 Benchmark]: TraceAbstraction took 1787.31ms. Allocated memory was 197.1MB in the beginning and 295.7MB in the end (delta: 98.6MB). Free memory was 70.6MB in the beginning and 223.6MB in the end (delta: -153.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:20:12,384 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.39ms. Allocated memory is still 197.1MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.66ms. Allocated memory is still 197.1MB. Free memory was 117.5MB in the beginning and 95.4MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.01ms. Allocated memory is still 197.1MB. Free memory was 95.4MB in the beginning and 92.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.07ms. Allocated memory is still 197.1MB. Free memory was 92.5MB in the beginning and 89.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 971.34ms. Allocated memory is still 197.1MB. Free memory was 89.3MB in the beginning and 71.4MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1787.31ms. Allocated memory was 197.1MB in the beginning and 295.7MB in the end (delta: 98.6MB). Free memory was 70.6MB in the beginning and 223.6MB in the end (delta: -153.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 97]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] int count, pos; [L39] _Bool sFlag, sEvent, stopped, v_assert; [L91] pthread_t t1, t2; VAL [count=0, pos=0, sEvent=0, sFlag=0, stopped=0, t1={5:0}, t2={3:0}, v_assert=0] [L94] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[count],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[pos],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[sFlag],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[sEvent],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[stopped],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[v_assert],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L94] count = __VERIFIER_nondet_int() [L95] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[pos],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[sFlag],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[sEvent],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[stopped],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[v_assert],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L95] pos = __VERIFIER_nondet_int() [L96] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[sFlag],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[sEvent],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[stopped],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[v_assert],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L96] sFlag = __VERIFIER_nondet_bool() [L97] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[sEvent],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[stopped],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[v_assert],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[sFlag],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[sFlag],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] VAL [count=0, pos=0, sEvent=0, sFlag=2, stopped=0, t1={5:0}, t2={3:0}, v_assert=0] - UnprovableResult [Line: 42]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 73]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 75]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 80]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 78]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 95]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 96]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 98]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 102]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 103]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 105]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 106]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 107]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 109]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 115]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 110]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 109]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 178 locations, 90 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 335 IncrementalHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 37 mSDtfsCounter, 335 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 113 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-02-02 09:20:12,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE