./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-threaded-sum-2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cb09d658 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-threaded-sum-2.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-cb09d65-m [2024-01-27 23:09:44,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 23:09:44,964 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 23:09:44,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 23:09:44,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 23:09:44,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 23:09:44,982 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 23:09:44,982 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 23:09:44,983 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 23:09:44,986 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 23:09:44,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 23:09:44,986 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 23:09:44,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 23:09:44,988 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 23:09:44,988 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 23:09:44,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 23:09:44,988 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 23:09:44,988 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 23:09:44,989 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 23:09:44,989 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 23:09:44,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 23:09:44,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 23:09:44,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 23:09:44,990 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 23:09:44,990 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 23:09:44,990 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 23:09:44,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 23:09:44,990 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 23:09:44,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 23:09:44,991 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 23:09:44,992 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 23:09:44,992 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 23:09:44,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:09:44,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 23:09:44,993 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 23:09:44,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 23:09:44,993 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 23:09:44,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 23:09:44,993 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 23:09:44,993 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 23:09:44,993 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 23:09:44,994 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 23:09:44,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 23:09:44,994 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 23:09:45,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 23:09:45,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 23:09:45,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 23:09:45,233 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 23:09:45,234 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 23:09:45,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2024-01-27 23:09:46,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 23:09:46,441 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 23:09:46,442 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2024-01-27 23:09:46,451 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bb7d6b5d/9e811d084a64407db288adbce412d8c6/FLAG316978610 [2024-01-27 23:09:46,469 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bb7d6b5d/9e811d084a64407db288adbce412d8c6 [2024-01-27 23:09:46,471 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 23:09:46,471 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 23:09:46,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-threaded-sum-2.wvr.yml/witness.yml [2024-01-27 23:09:46,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 23:09:46,579 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 23:09:46,580 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 23:09:46,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 23:09:46,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 23:09:46,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:09:46" (1/2) ... [2024-01-27 23:09:46,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a190d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:09:46, skipping insertion in model container [2024-01-27 23:09:46,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:09:46" (1/2) ... [2024-01-27 23:09:46,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19107a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:09:46, skipping insertion in model container [2024-01-27 23:09:46,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:09:46" (2/2) ... [2024-01-27 23:09:46,589 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a190d0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:09:46, skipping insertion in model container [2024-01-27 23:09:46,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:09:46" (2/2) ... [2024-01-27 23:09:46,589 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 23:09:46,614 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 23:09:46,615 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,616 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] m == 0U [2024-01-27 23:09:46,616 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] m == 0U [2024-01-27 23:09:46,616 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] s != 0U [2024-01-27 23:09:46,616 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 1U <= s [2024-01-27 23:09:46,616 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,616 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] m == 0U [2024-01-27 23:09:46,616 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] s == 0U [2024-01-27 23:09:46,617 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] t == 0U [2024-01-27 23:09:46,617 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] S == 0U [2024-01-27 23:09:46,617 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] T == 0U [2024-01-27 23:09:46,617 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,617 INFO L98 nessWitnessExtractor]: Loop invariant at [L63-L73] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,617 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,617 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,618 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] s == 0U [2024-01-27 23:09:46,618 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L49] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,618 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,618 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] T == 0U [2024-01-27 23:09:46,618 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] m == 0U [2024-01-27 23:09:46,618 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] S == 0U [2024-01-27 23:09:46,619 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] t == 0U [2024-01-27 23:09:46,619 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,619 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,619 INFO L98 nessWitnessExtractor]: Location invariant before [L41-L41] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,619 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] t == 0U [2024-01-27 23:09:46,619 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] S == 0U [2024-01-27 23:09:46,620 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] m == 0U [2024-01-27 23:09:46,620 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] T == 0U [2024-01-27 23:09:46,620 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] m == 0U [2024-01-27 23:09:46,620 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] T == 0U [2024-01-27 23:09:46,620 INFO L98 nessWitnessExtractor]: Loop invariant at [L44-L54] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,620 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,620 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,621 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,621 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,621 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,621 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] s <= 4294967294U [2024-01-27 23:09:46,622 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,622 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] s == 0U [2024-01-27 23:09:46,623 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,623 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] T == 0U [2024-01-27 23:09:46,623 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] S == 0U [2024-01-27 23:09:46,623 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] m == 0U [2024-01-27 23:09:46,623 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,623 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] s != 4294967295U [2024-01-27 23:09:46,623 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] s <= 4294967294U [2024-01-27 23:09:46,624 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,624 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] s != 0U [2024-01-27 23:09:46,624 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,624 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] 1U <= s [2024-01-27 23:09:46,624 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,625 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,625 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,625 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,625 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-27 23:09:46,643 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 23:09:46,820 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c[2502,2515] [2024-01-27 23:09:46,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:09:46,833 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-27 23:09:46,880 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c[2502,2515] [2024-01-27 23:09:46,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:09:46,891 INFO L206 MainTranslator]: Completed translation [2024-01-27 23:09:46,891 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:09:46 WrapperNode [2024-01-27 23:09:46,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 23:09:46,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 23:09:46,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 23:09:46,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 23:09:46,900 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 27.01 11:09:46" (1/1) ... [2024-01-27 23:09:46,907 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 27.01 11:09:46" (1/1) ... [2024-01-27 23:09:46,922 INFO L138 Inliner]: procedures = 21, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-01-27 23:09:46,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 23:09:46,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 23:09:46,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 23:09:46,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 23:09:46,931 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:09:46" (1/1) ... [2024-01-27 23:09:46,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:09:46" (1/1) ... [2024-01-27 23:09:46,933 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:09:46" (1/1) ... [2024-01-27 23:09:46,943 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-01-27 23:09:46,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:09:46" (1/1) ... [2024-01-27 23:09:46,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:09:46" (1/1) ... [2024-01-27 23:09:46,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:09:46" (1/1) ... [2024-01-27 23:09:46,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:09:46" (1/1) ... [2024-01-27 23:09:46,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:09:46" (1/1) ... [2024-01-27 23:09:46,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:09:46" (1/1) ... [2024-01-27 23:09:46,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 23:09:46,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 23:09:46,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 23:09:46,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 23:09:46,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:09:46" (1/1) ... [2024-01-27 23:09:46,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:09:46,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 23:09:46,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-27 23:09:47,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-27 23:09:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 23:09:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 23:09:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 23:09:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 23:09:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 23:09:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 23:09:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 23:09:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 23:09:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 23:09:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 23:09:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 23:09:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 23:09:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-27 23:09:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-27 23:09:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 23:09:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 23:09:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 23:09:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 23:09:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 23:09:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 23:09:47,023 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 23:09:47,102 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 23:09:47,104 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 23:09:47,358 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 23:09:47,358 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 23:09:47,544 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 23:09:47,544 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-01-27 23:09:47,546 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:09:47 BoogieIcfgContainer [2024-01-27 23:09:47,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 23:09:47,549 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 23:09:47,549 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 23:09:47,552 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 23:09:47,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 11:09:46" (1/4) ... [2024-01-27 23:09:47,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e104d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:09:47, skipping insertion in model container [2024-01-27 23:09:47,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:09:46" (2/4) ... [2024-01-27 23:09:47,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e104d9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 11:09:47, skipping insertion in model container [2024-01-27 23:09:47,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:09:46" (3/4) ... [2024-01-27 23:09:47,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e104d9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 11:09:47, skipping insertion in model container [2024-01-27 23:09:47,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:09:47" (4/4) ... [2024-01-27 23:09:47,555 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2024-01-27 23:09:47,567 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 23:09:47,568 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 59 error locations. [2024-01-27 23:09:47,568 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 23:09:47,634 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-27 23:09:47,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 115 transitions, 244 flow [2024-01-27 23:09:47,715 INFO L124 PetriNetUnfolderBase]: 2/113 cut-off events. [2024-01-27 23:09:47,715 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-27 23:09:47,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 113 events. 2/113 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 292 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2024-01-27 23:09:47,720 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 115 transitions, 244 flow [2024-01-27 23:09:47,724 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 117 places, 112 transitions, 236 flow [2024-01-27 23:09:47,731 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 23:09:47,736 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;@16976d87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 23:09:47,736 INFO L358 AbstractCegarLoop]: Starting to check reachability of 101 error locations. [2024-01-27 23:09:47,738 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 23:09:47,738 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 23:09:47,738 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 23:09:47,738 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:09:47,739 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 23:09:47,739 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 98 more)] === [2024-01-27 23:09:47,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:09:47,743 INFO L85 PathProgramCache]: Analyzing trace with hash 15395, now seen corresponding path program 1 times [2024-01-27 23:09:47,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:09:47,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263765211] [2024-01-27 23:09:47,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:09:47,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:09:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:09:47,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:09:47,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:09:47,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263765211] [2024-01-27 23:09:47,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263765211] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:09:47,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:09:47,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:09:47,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801075101] [2024-01-27 23:09:47,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:09:47,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:09:47,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:09:47,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:09:47,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:09:48,009 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 115 [2024-01-27 23:09:48,013 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 112 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:09:48,013 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:09:48,013 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 115 [2024-01-27 23:09:48,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:09:48,248 INFO L124 PetriNetUnfolderBase]: 507/1133 cut-off events. [2024-01-27 23:09:48,249 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-01-27 23:09:48,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2064 conditions, 1133 events. 507/1133 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 8282 event pairs, 492 based on Foata normal form. 3/610 useless extension candidates. Maximal degree in co-relation 1915. Up to 880 conditions per place. [2024-01-27 23:09:48,261 INFO L140 encePairwiseOnDemand]: 95/115 looper letters, 37 selfloop transitions, 2 changer transitions 0/94 dead transitions. [2024-01-27 23:09:48,263 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 94 transitions, 278 flow [2024-01-27 23:09:48,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:09:48,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:09:48,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 228 transitions. [2024-01-27 23:09:48,279 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6608695652173913 [2024-01-27 23:09:48,280 INFO L175 Difference]: Start difference. First operand has 117 places, 112 transitions, 236 flow. Second operand 3 states and 228 transitions. [2024-01-27 23:09:48,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 94 transitions, 278 flow [2024-01-27 23:09:48,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 94 transitions, 270 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-27 23:09:48,291 INFO L231 Difference]: Finished difference. Result has 97 places, 94 transitions, 196 flow [2024-01-27 23:09:48,292 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=95, 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=196, PETRI_PLACES=97, PETRI_TRANSITIONS=94} [2024-01-27 23:09:48,295 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -20 predicate places. [2024-01-27 23:09:48,296 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 94 transitions, 196 flow [2024-01-27 23:09:48,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:09:48,296 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:09:48,297 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-27 23:09:48,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 23:09:48,297 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 98 more)] === [2024-01-27 23:09:48,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:09:48,298 INFO L85 PathProgramCache]: Analyzing trace with hash 477804, now seen corresponding path program 1 times [2024-01-27 23:09:48,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:09:48,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027610513] [2024-01-27 23:09:48,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:09:48,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:09:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:09:48,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:09:48,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:09:48,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027610513] [2024-01-27 23:09:48,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027610513] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:09:48,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:09:48,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:09:48,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187037610] [2024-01-27 23:09:48,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:09:48,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:09:48,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:09:48,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:09:48,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:09:48,393 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 115 [2024-01-27 23:09:48,394 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 94 transitions, 196 flow. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:09:48,394 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:09:48,394 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 115 [2024-01-27 23:09:48,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:09:48,573 INFO L124 PetriNetUnfolderBase]: 507/1130 cut-off events. [2024-01-27 23:09:48,573 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-27 23:09:48,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2034 conditions, 1130 events. 507/1130 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 8359 event pairs, 492 based on Foata normal form. 3/610 useless extension candidates. Maximal degree in co-relation 2002. Up to 881 conditions per place. [2024-01-27 23:09:48,579 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 37 selfloop transitions, 2 changer transitions 0/91 dead transitions. [2024-01-27 23:09:48,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 91 transitions, 268 flow [2024-01-27 23:09:48,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:09:48,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:09:48,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 216 transitions. [2024-01-27 23:09:48,584 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6260869565217392 [2024-01-27 23:09:48,584 INFO L175 Difference]: Start difference. First operand has 97 places, 94 transitions, 196 flow. Second operand 3 states and 216 transitions. [2024-01-27 23:09:48,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 91 transitions, 268 flow [2024-01-27 23:09:48,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 91 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:09:48,587 INFO L231 Difference]: Finished difference. Result has 94 places, 91 transitions, 190 flow [2024-01-27 23:09:48,588 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=94, PETRI_TRANSITIONS=91} [2024-01-27 23:09:48,588 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -23 predicate places. [2024-01-27 23:09:48,588 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 91 transitions, 190 flow [2024-01-27 23:09:48,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:09:48,589 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:09:48,589 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-27 23:09:48,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 23:09:48,589 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 98 more)] === [2024-01-27 23:09:48,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:09:48,591 INFO L85 PathProgramCache]: Analyzing trace with hash 14812385, now seen corresponding path program 1 times [2024-01-27 23:09:48,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:09:48,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217389299] [2024-01-27 23:09:48,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:09:48,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:09:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:09:48,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:09:48,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:09:48,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217389299] [2024-01-27 23:09:48,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217389299] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:09:48,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:09:48,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:09:48,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149316029] [2024-01-27 23:09:48,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:09:48,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:09:48,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:09:48,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:09:48,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:09:48,668 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 115 [2024-01-27 23:09:48,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 91 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:09:48,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:09:48,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 115 [2024-01-27 23:09:48,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:09:48,799 INFO L124 PetriNetUnfolderBase]: 507/1128 cut-off events. [2024-01-27 23:09:48,799 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-27 23:09:48,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2032 conditions, 1128 events. 507/1128 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 8296 event pairs, 492 based on Foata normal form. 1/607 useless extension candidates. Maximal degree in co-relation 2006. Up to 882 conditions per place. [2024-01-27 23:09:48,804 INFO L140 encePairwiseOnDemand]: 111/115 looper letters, 37 selfloop transitions, 2 changer transitions 0/89 dead transitions. [2024-01-27 23:09:48,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 89 transitions, 264 flow [2024-01-27 23:09:48,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:09:48,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:09:48,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2024-01-27 23:09:48,805 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6318840579710145 [2024-01-27 23:09:48,806 INFO L175 Difference]: Start difference. First operand has 94 places, 91 transitions, 190 flow. Second operand 3 states and 218 transitions. [2024-01-27 23:09:48,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 89 transitions, 264 flow [2024-01-27 23:09:48,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 89 transitions, 260 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:09:48,809 INFO L231 Difference]: Finished difference. Result has 92 places, 89 transitions, 186 flow [2024-01-27 23:09:48,809 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=92, PETRI_TRANSITIONS=89} [2024-01-27 23:09:48,810 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -25 predicate places. [2024-01-27 23:09:48,810 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 89 transitions, 186 flow [2024-01-27 23:09:48,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:09:48,811 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:09:48,811 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-27 23:09:48,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-27 23:09:48,811 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 98 more)] === [2024-01-27 23:09:48,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:09:48,812 INFO L85 PathProgramCache]: Analyzing trace with hash 459184468, now seen corresponding path program 1 times [2024-01-27 23:09:48,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:09:48,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121464479] [2024-01-27 23:09:48,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:09:48,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:09:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:09:48,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:09:48,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:09:48,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121464479] [2024-01-27 23:09:48,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121464479] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:09:48,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:09:48,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:09:48,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270372027] [2024-01-27 23:09:48,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:09:48,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:09:48,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:09:48,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:09:48,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:09:48,897 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 115 [2024-01-27 23:09:48,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 89 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:09:48,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:09:48,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 115 [2024-01-27 23:09:48,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:09:49,036 INFO L124 PetriNetUnfolderBase]: 507/1127 cut-off events. [2024-01-27 23:09:49,036 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-27 23:09:49,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2033 conditions, 1127 events. 507/1127 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 8360 event pairs, 492 based on Foata normal form. 1/609 useless extension candidates. Maximal degree in co-relation 2013. Up to 885 conditions per place. [2024-01-27 23:09:49,043 INFO L140 encePairwiseOnDemand]: 112/115 looper letters, 39 selfloop transitions, 2 changer transitions 0/88 dead transitions. [2024-01-27 23:09:49,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 88 transitions, 266 flow [2024-01-27 23:09:49,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:09:49,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:09:49,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 216 transitions. [2024-01-27 23:09:49,045 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6260869565217392 [2024-01-27 23:09:49,045 INFO L175 Difference]: Start difference. First operand has 92 places, 89 transitions, 186 flow. Second operand 3 states and 216 transitions. [2024-01-27 23:09:49,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 88 transitions, 266 flow [2024-01-27 23:09:49,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 88 transitions, 262 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:09:49,048 INFO L231 Difference]: Finished difference. Result has 91 places, 88 transitions, 184 flow [2024-01-27 23:09:49,048 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=184, PETRI_PLACES=91, PETRI_TRANSITIONS=88} [2024-01-27 23:09:49,049 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -26 predicate places. [2024-01-27 23:09:49,049 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 88 transitions, 184 flow [2024-01-27 23:09:49,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:09:49,050 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:09:49,050 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-27 23:09:49,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-27 23:09:49,050 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 98 more)] === [2024-01-27 23:09:49,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:09:49,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1349817138, now seen corresponding path program 1 times [2024-01-27 23:09:49,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:09:49,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555627353] [2024-01-27 23:09:49,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:09:49,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:09:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:09:49,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:09:49,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:09:49,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555627353] [2024-01-27 23:09:49,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555627353] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:09:49,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:09:49,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:09:49,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766199557] [2024-01-27 23:09:49,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:09:49,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:09:49,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:09:49,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:09:49,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:09:49,120 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 115 [2024-01-27 23:09:49,120 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 88 transitions, 184 flow. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:09:49,120 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:09:49,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 115 [2024-01-27 23:09:49,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:09:49,299 INFO L124 PetriNetUnfolderBase]: 611/1417 cut-off events. [2024-01-27 23:09:49,300 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-27 23:09:49,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2505 conditions, 1417 events. 611/1417 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 10541 event pairs, 327 based on Foata normal form. 3/863 useless extension candidates. Maximal degree in co-relation 2492. Up to 598 conditions per place. [2024-01-27 23:09:49,308 INFO L140 encePairwiseOnDemand]: 106/115 looper letters, 57 selfloop transitions, 2 changer transitions 0/102 dead transitions. [2024-01-27 23:09:49,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 102 transitions, 333 flow [2024-01-27 23:09:49,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:09:49,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:09:49,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 231 transitions. [2024-01-27 23:09:49,310 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6695652173913044 [2024-01-27 23:09:49,310 INFO L175 Difference]: Start difference. First operand has 91 places, 88 transitions, 184 flow. Second operand 3 states and 231 transitions. [2024-01-27 23:09:49,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 102 transitions, 333 flow [2024-01-27 23:09:49,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 102 transitions, 329 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:09:49,314 INFO L231 Difference]: Finished difference. Result has 85 places, 82 transitions, 176 flow [2024-01-27 23:09:49,315 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=85, PETRI_TRANSITIONS=82} [2024-01-27 23:09:49,317 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -32 predicate places. [2024-01-27 23:09:49,317 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 82 transitions, 176 flow [2024-01-27 23:09:49,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:09:49,317 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:09:49,317 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:09:49,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-27 23:09:49,318 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 98 more)] === [2024-01-27 23:09:49,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:09:49,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1806141867, now seen corresponding path program 1 times [2024-01-27 23:09:49,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:09:49,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152403072] [2024-01-27 23:09:49,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:09:49,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:09:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 23:09:49,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-27 23:09:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 23:09:49,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-27 23:09:49,364 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-27 23:09:49,365 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 101 remaining) [2024-01-27 23:09:49,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 101 remaining) [2024-01-27 23:09:49,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 101 remaining) [2024-01-27 23:09:49,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 101 remaining) [2024-01-27 23:09:49,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 101 remaining) [2024-01-27 23:09:49,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 101 remaining) [2024-01-27 23:09:49,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 101 remaining) [2024-01-27 23:09:49,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 101 remaining) [2024-01-27 23:09:49,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 101 remaining) [2024-01-27 23:09:49,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 101 remaining) [2024-01-27 23:09:49,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 101 remaining) [2024-01-27 23:09:49,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 101 remaining) [2024-01-27 23:09:49,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 101 remaining) [2024-01-27 23:09:49,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 101 remaining) [2024-01-27 23:09:49,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 101 remaining) [2024-01-27 23:09:49,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 101 remaining) [2024-01-27 23:09:49,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 101 remaining) [2024-01-27 23:09:49,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 101 remaining) [2024-01-27 23:09:49,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 101 remaining) [2024-01-27 23:09:49,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 101 remaining) [2024-01-27 23:09:49,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 101 remaining) [2024-01-27 23:09:49,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 101 remaining) [2024-01-27 23:09:49,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 101 remaining) [2024-01-27 23:09:49,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 101 remaining) [2024-01-27 23:09:49,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 101 remaining) [2024-01-27 23:09:49,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 101 remaining) [2024-01-27 23:09:49,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 101 remaining) [2024-01-27 23:09:49,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 101 remaining) [2024-01-27 23:09:49,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 101 remaining) [2024-01-27 23:09:49,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 101 remaining) [2024-01-27 23:09:49,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 101 remaining) [2024-01-27 23:09:49,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 101 remaining) [2024-01-27 23:09:49,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 101 remaining) [2024-01-27 23:09:49,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 101 remaining) [2024-01-27 23:09:49,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 101 remaining) [2024-01-27 23:09:49,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 101 remaining) [2024-01-27 23:09:49,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 101 remaining) [2024-01-27 23:09:49,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 101 remaining) [2024-01-27 23:09:49,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 101 remaining) [2024-01-27 23:09:49,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 101 remaining) [2024-01-27 23:09:49,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 101 remaining) [2024-01-27 23:09:49,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 101 remaining) [2024-01-27 23:09:49,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 101 remaining) [2024-01-27 23:09:49,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 101 remaining) [2024-01-27 23:09:49,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 101 remaining) [2024-01-27 23:09:49,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 101 remaining) [2024-01-27 23:09:49,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 101 remaining) [2024-01-27 23:09:49,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 101 remaining) [2024-01-27 23:09:49,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 101 remaining) [2024-01-27 23:09:49,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 101 remaining) [2024-01-27 23:09:49,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 101 remaining) [2024-01-27 23:09:49,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 101 remaining) [2024-01-27 23:09:49,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 101 remaining) [2024-01-27 23:09:49,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 101 remaining) [2024-01-27 23:09:49,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 101 remaining) [2024-01-27 23:09:49,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 101 remaining) [2024-01-27 23:09:49,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 101 remaining) [2024-01-27 23:09:49,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 101 remaining) [2024-01-27 23:09:49,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (42 of 101 remaining) [2024-01-27 23:09:49,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 101 remaining) [2024-01-27 23:09:49,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 101 remaining) [2024-01-27 23:09:49,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 101 remaining) [2024-01-27 23:09:49,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 101 remaining) [2024-01-27 23:09:49,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 101 remaining) [2024-01-27 23:09:49,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 101 remaining) [2024-01-27 23:09:49,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 101 remaining) [2024-01-27 23:09:49,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 101 remaining) [2024-01-27 23:09:49,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 101 remaining) [2024-01-27 23:09:49,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 101 remaining) [2024-01-27 23:09:49,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 101 remaining) [2024-01-27 23:09:49,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 101 remaining) [2024-01-27 23:09:49,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 101 remaining) [2024-01-27 23:09:49,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 101 remaining) [2024-01-27 23:09:49,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 101 remaining) [2024-01-27 23:09:49,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 101 remaining) [2024-01-27 23:09:49,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 101 remaining) [2024-01-27 23:09:49,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 101 remaining) [2024-01-27 23:09:49,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 101 remaining) [2024-01-27 23:09:49,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 101 remaining) [2024-01-27 23:09:49,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 101 remaining) [2024-01-27 23:09:49,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 101 remaining) [2024-01-27 23:09:49,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 101 remaining) [2024-01-27 23:09:49,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 101 remaining) [2024-01-27 23:09:49,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 101 remaining) [2024-01-27 23:09:49,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 101 remaining) [2024-01-27 23:09:49,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 101 remaining) [2024-01-27 23:09:49,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 101 remaining) [2024-01-27 23:09:49,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 101 remaining) [2024-01-27 23:09:49,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 101 remaining) [2024-01-27 23:09:49,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 101 remaining) [2024-01-27 23:09:49,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 101 remaining) [2024-01-27 23:09:49,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 101 remaining) [2024-01-27 23:09:49,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 101 remaining) [2024-01-27 23:09:49,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 101 remaining) [2024-01-27 23:09:49,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 101 remaining) [2024-01-27 23:09:49,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 101 remaining) [2024-01-27 23:09:49,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 101 remaining) [2024-01-27 23:09:49,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 101 remaining) [2024-01-27 23:09:49,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 101 remaining) [2024-01-27 23:09:49,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 101 remaining) [2024-01-27 23:09:49,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 101 remaining) [2024-01-27 23:09:49,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-27 23:09:49,385 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-01-27 23:09:49,391 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-27 23:09:49,391 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-27 23:09:49,410 INFO L503 ceAbstractionStarter]: Automizer considered 58 witness invariants [2024-01-27 23:09:49,410 INFO L504 ceAbstractionStarter]: WitnessConsidered=58 [2024-01-27 23:09:49,411 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 11:09:49 BasicIcfg [2024-01-27 23:09:49,411 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-27 23:09:49,411 INFO L158 Benchmark]: Toolchain (without parser) took 2832.88ms. Allocated memory was 188.7MB in the beginning and 270.5MB in the end (delta: 81.8MB). Free memory was 116.1MB in the beginning and 105.2MB in the end (delta: 10.8MB). Peak memory consumption was 94.5MB. Max. memory is 16.1GB. [2024-01-27 23:09:49,412 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 23:09:49,412 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 188.7MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 23:09:49,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.29ms. Allocated memory is still 188.7MB. Free memory was 115.9MB in the beginning and 150.9MB in the end (delta: -35.0MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-01-27 23:09:49,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.43ms. Allocated memory is still 188.7MB. Free memory was 150.9MB in the beginning and 148.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 23:09:49,413 INFO L158 Benchmark]: Boogie Preprocessor took 33.90ms. Allocated memory is still 188.7MB. Free memory was 148.8MB in the beginning and 146.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 23:09:49,413 INFO L158 Benchmark]: RCFGBuilder took 588.92ms. Allocated memory is still 188.7MB. Free memory was 146.7MB in the beginning and 90.8MB in the end (delta: 55.9MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-01-27 23:09:49,413 INFO L158 Benchmark]: TraceAbstraction took 1861.99ms. Allocated memory was 188.7MB in the beginning and 270.5MB in the end (delta: 81.8MB). Free memory was 90.1MB in the beginning and 105.2MB in the end (delta: -15.2MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. [2024-01-27 23:09:49,414 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 188.7MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.29ms. Allocated memory is still 188.7MB. Free memory was 115.9MB in the beginning and 150.9MB in the end (delta: -35.0MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.43ms. Allocated memory is still 188.7MB. Free memory was 150.9MB in the beginning and 148.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.90ms. Allocated memory is still 188.7MB. Free memory was 148.8MB in the beginning and 146.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 588.92ms. Allocated memory is still 188.7MB. Free memory was 146.7MB in the beginning and 90.8MB in the end (delta: 55.9MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1861.99ms. Allocated memory was 188.7MB in the beginning and 270.5MB in the end (delta: 81.8MB). Free memory was 90.1MB in the beginning and 105.2MB in the end (delta: -15.2MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 86]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] unsigned int s, t, m, T, S; [L79] pthread_t t1, t2; VAL [S=0, T=0, m=0, s=0, t1={3:0}, t2={5:0}, t=0] [L81] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, s=0, t1={3:0}, t2={5:0}, t=0] [L81] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[S],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, s=0, t1={3:0}, t2={5:0}, t=0] [L81] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, s=0, t1={3:0}, t2={5:0}, t=0] [L81] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, s=0, t1={3:0}, t2={5:0}, t=0] [L81] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]]] [L81] s = __VERIFIER_nondet_uint() [L82] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, t1={3:0}, t2={5:0}, t=0] [L82] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, t1={3:0}, t2={5:0}, t=0] [L82] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[S],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, t1={3:0}, t2={5:0}, t=0] [L82] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]]]] [L82] t = __VERIFIER_nondet_uint() [L83] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, t1={3:0}, t2={5:0}] [L83] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[S],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, t1={3:0}, t2={5:0}] [L83] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]]] [L83] S = s VAL [S=0, T=0, m=0, s=0, t1={3:0}, t2={5:0}] [L84] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, s=0, t1={3:0}, t2={5:0}] [L84] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]]] [L84] T = t VAL [S=0, T=49, m=0, s=0, t1={3:0}, t2={5:0}, t=49] [L86] CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[1U],IdentifierExpression[s]]]] VAL [S=0, T=49, m=0, s=0, t1={3:0}, t2={5:0}, t=49] - UnprovableResult [Line: 41]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - 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: 42]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: 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: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 46]: 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: 47]: 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: 48]: 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: 50]: 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: 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: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 61]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 62]: 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: 75]: 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: 63]: 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: 81]: 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: 81]: 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: 82]: 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: 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: 83]: 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: 84]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 89]: 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 a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 90]: 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: 89]: 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, 182 locations, 101 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: 1.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 104 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 64 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 395 IncrementalHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 7 mSDtfsCounter, 395 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=236occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2024-01-27 23:09:49,455 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