./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.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-mult-equiv.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a340643f 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-mult-equiv.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-mult-equiv.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-a340643-m [2024-01-27 14:52:25,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 14:52:25,964 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 14:52:25,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 14:52:25,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 14:52:26,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 14:52:26,021 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 14:52:26,021 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 14:52:26,022 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 14:52:26,025 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 14:52:26,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 14:52:26,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 14:52:26,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 14:52:26,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 14:52:26,028 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 14:52:26,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 14:52:26,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 14:52:26,029 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 14:52:26,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 14:52:26,029 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 14:52:26,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 14:52:26,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 14:52:26,030 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 14:52:26,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 14:52:26,031 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 14:52:26,031 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 14:52:26,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 14:52:26,032 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 14:52:26,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 14:52:26,032 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 14:52:26,033 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 14:52:26,033 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 14:52:26,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:52:26,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 14:52:26,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 14:52:26,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 14:52:26,035 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 14:52:26,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 14:52:26,035 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 14:52:26,035 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 14:52:26,035 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 14:52:26,036 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 14:52:26,036 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 14:52:26,036 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 14:52:26,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 14:52:26,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 14:52:26,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 14:52:26,389 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 14:52:26,391 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 14:52:26,392 INFO L431 ainManager$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-mult-equiv.wvr.yml/witness.yml [2024-01-27 14:52:26,525 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 14:52:26,525 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 14:52:26,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-01-27 14:52:27,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 14:52:27,772 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 14:52:27,773 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-01-27 14:52:27,779 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfedec758/e842b3467e194faeb48e724106fb5138/FLAGb7918ab58 [2024-01-27 14:52:27,790 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfedec758/e842b3467e194faeb48e724106fb5138 [2024-01-27 14:52:27,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 14:52:27,792 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 14:52:27,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 14:52:27,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 14:52:27,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 14:52:27,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:52:26" (1/2) ... [2024-01-27 14:52:27,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9e9545 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:52:27, skipping insertion in model container [2024-01-27 14:52:27,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:52:26" (1/2) ... [2024-01-27 14:52:27,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f6b662d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:52:27, skipping insertion in model container [2024-01-27 14:52:27,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:52:27" (2/2) ... [2024-01-27 14:52:27,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9e9545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:27, skipping insertion in model container [2024-01-27 14:52:27,801 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:52:27" (2/2) ... [2024-01-27 14:52:27,801 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 14:52:27,818 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 14:52:27,819 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,819 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,819 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] q == 0U [2024-01-27 14:52:27,819 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] p == 0U [2024-01-27 14:52:27,819 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,819 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,819 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,820 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,820 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] N <= 4294967293U [2024-01-27 14:52:27,820 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,820 INFO L98 nessWitnessExtractor]: Loop invariant at [L79-L84] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,820 INFO L98 nessWitnessExtractor]: Loop invariant at [L63-L73] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,820 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,821 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] N != 0U [2024-01-27 14:52:27,821 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 2U <= N [2024-01-27 14:52:27,821 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] q == 0U [2024-01-27 14:52:27,821 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] L == 0U [2024-01-27 14:52:27,821 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] M == 0U [2024-01-27 14:52:27,821 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] N == 0U [2024-01-27 14:52:27,821 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] p == 0U [2024-01-27 14:52:27,821 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,822 INFO L98 nessWitnessExtractor]: Loop invariant at [L44-L54] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,822 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] q == 0U [2024-01-27 14:52:27,822 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] p == 0U [2024-01-27 14:52:27,822 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] N == 0U [2024-01-27 14:52:27,822 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] M == 0U [2024-01-27 14:52:27,822 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,822 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] 1U <= N [2024-01-27 14:52:27,823 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] N != 0U [2024-01-27 14:52:27,823 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,823 INFO L98 nessWitnessExtractor]: Location invariant before [L41-L41] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,823 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,823 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] N != 0U [2024-01-27 14:52:27,823 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] 1U <= N [2024-01-27 14:52:27,823 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,824 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,824 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L68] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,824 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] N <= 4294967294U [2024-01-27 14:52:27,824 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,826 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,826 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,826 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,826 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,826 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,826 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,827 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] N != 0U [2024-01-27 14:52:27,827 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 2U <= N [2024-01-27 14:52:27,827 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,827 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L49] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,827 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,827 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,827 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] q == 0U [2024-01-27 14:52:27,828 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] N == 0U [2024-01-27 14:52:27,828 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] p == 0U [2024-01-27 14:52:27,829 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,829 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] M == 0U [2024-01-27 14:52:27,829 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] p == 0U [2024-01-27 14:52:27,829 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] N == 0U [2024-01-27 14:52:27,830 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] q == 0U [2024-01-27 14:52:27,830 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-27 14:52:27,849 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 14:52:27,990 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-mult-equiv.wvr.c[2630,2643] [2024-01-27 14:52:27,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:52:28,001 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-27 14:52:28,066 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-mult-equiv.wvr.c[2630,2643] [2024-01-27 14:52:28,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:52:28,077 INFO L206 MainTranslator]: Completed translation [2024-01-27 14:52:28,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:28 WrapperNode [2024-01-27 14:52:28,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 14:52:28,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 14:52:28,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 14:52:28,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 14:52:28,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:28" (1/1) ... [2024-01-27 14:52:28,109 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:28" (1/1) ... [2024-01-27 14:52:28,124 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2024-01-27 14:52:28,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 14:52:28,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 14:52:28,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 14:52:28,127 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 14:52:28,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:28" (1/1) ... [2024-01-27 14:52:28,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:28" (1/1) ... [2024-01-27 14:52:28,147 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:28" (1/1) ... [2024-01-27 14:52:28,165 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-01-27 14:52:28,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:28" (1/1) ... [2024-01-27 14:52:28,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:28" (1/1) ... [2024-01-27 14:52:28,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:28" (1/1) ... [2024-01-27 14:52:28,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:28" (1/1) ... [2024-01-27 14:52:28,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:28" (1/1) ... [2024-01-27 14:52:28,186 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:28" (1/1) ... [2024-01-27 14:52:28,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 14:52:28,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 14:52:28,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 14:52:28,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 14:52:28,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:28" (1/1) ... [2024-01-27 14:52:28,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:52:28,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 14:52:28,217 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 14:52:28,228 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 14:52:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 14:52:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 14:52:28,247 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 14:52:28,248 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 14:52:28,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 14:52:28,248 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-27 14:52:28,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-27 14:52:28,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 14:52:28,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 14:52:28,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 14:52:28,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 14:52:28,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 14:52:28,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 14:52:28,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 14:52:28,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 14:52:28,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 14:52:28,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-27 14:52:28,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-27 14:52:28,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 14:52:28,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 14:52:28,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 14:52:28,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 14:52:28,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 14:52:28,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 14:52:28,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 14:52:28,254 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 14:52:28,353 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 14:52:28,355 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 14:52:28,694 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 14:52:28,694 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 14:52:29,004 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 14:52:29,005 INFO L320 CfgBuilder]: Removed 3 assume(true) statements. [2024-01-27 14:52:29,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:52:29 BoogieIcfgContainer [2024-01-27 14:52:29,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 14:52:29,007 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 14:52:29,007 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 14:52:29,009 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 14:52:29,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:52:26" (1/4) ... [2024-01-27 14:52:29,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e124b3c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:52:29, skipping insertion in model container [2024-01-27 14:52:29,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:52:27" (2/4) ... [2024-01-27 14:52:29,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e124b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:52:29, skipping insertion in model container [2024-01-27 14:52:29,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:28" (3/4) ... [2024-01-27 14:52:29,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e124b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:52:29, skipping insertion in model container [2024-01-27 14:52:29,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:52:29" (4/4) ... [2024-01-27 14:52:29,012 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-equiv.wvr.c [2024-01-27 14:52:29,026 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 14:52:29,027 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2024-01-27 14:52:29,027 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 14:52:29,097 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-27 14:52:29,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 127 transitions, 275 flow [2024-01-27 14:52:29,185 INFO L124 PetriNetUnfolderBase]: 3/124 cut-off events. [2024-01-27 14:52:29,185 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-27 14:52:29,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 124 events. 3/124 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 445 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 103. Up to 2 conditions per place. [2024-01-27 14:52:29,189 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 127 transitions, 275 flow [2024-01-27 14:52:29,199 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 130 places, 123 transitions, 264 flow [2024-01-27 14:52:29,209 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 14:52:29,213 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;@205204e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 14:52:29,214 INFO L358 AbstractCegarLoop]: Starting to check reachability of 116 error locations. [2024-01-27 14:52:29,217 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 14:52:29,217 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 14:52:29,218 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:52:29,218 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:52:29,218 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 14:52:29,219 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-01-27 14:52:29,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:52:29,224 INFO L85 PathProgramCache]: Analyzing trace with hash 17378, now seen corresponding path program 1 times [2024-01-27 14:52:29,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:52:29,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133114042] [2024-01-27 14:52:29,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:52:29,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:52:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:52:29,438 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 14:52:29,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:52:29,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133114042] [2024-01-27 14:52:29,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133114042] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:52:29,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:52:29,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:52:29,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399153744] [2024-01-27 14:52:29,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:52:29,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:52:29,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:52:29,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:52:29,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:52:29,485 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 127 [2024-01-27 14:52:29,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 123 transitions, 264 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 14:52:29,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:52:29,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 127 [2024-01-27 14:52:29,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:52:30,423 INFO L124 PetriNetUnfolderBase]: 4715/8890 cut-off events. [2024-01-27 14:52:30,424 INFO L125 PetriNetUnfolderBase]: For 254/254 co-relation queries the response was YES. [2024-01-27 14:52:30,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15998 conditions, 8890 events. 4715/8890 cut-off events. For 254/254 co-relation queries the response was YES. Maximal size of possible extension queue 708. Compared 78745 event pairs, 1533 based on Foata normal form. 4/5751 useless extension candidates. Maximal degree in co-relation 14840. Up to 4541 conditions per place. [2024-01-27 14:52:30,489 INFO L140 encePairwiseOnDemand]: 97/127 looper letters, 68 selfloop transitions, 3 changer transitions 0/127 dead transitions. [2024-01-27 14:52:30,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 127 transitions, 429 flow [2024-01-27 14:52:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:52:30,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:52:30,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 295 transitions. [2024-01-27 14:52:30,499 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7742782152230971 [2024-01-27 14:52:30,500 INFO L175 Difference]: Start difference. First operand has 130 places, 123 transitions, 264 flow. Second operand 3 states and 295 transitions. [2024-01-27 14:52:30,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 127 transitions, 429 flow [2024-01-27 14:52:30,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 127 transitions, 407 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-01-27 14:52:30,512 INFO L231 Difference]: Finished difference. Result has 101 places, 99 transitions, 219 flow [2024-01-27 14:52:30,513 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=219, PETRI_PLACES=101, PETRI_TRANSITIONS=99} [2024-01-27 14:52:30,515 INFO L281 CegarLoopForPetriNet]: 130 programPoint places, -29 predicate places. [2024-01-27 14:52:30,516 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 99 transitions, 219 flow [2024-01-27 14:52:30,516 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 14:52:30,516 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:52:30,516 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-27 14:52:30,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 14:52:30,517 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-01-27 14:52:30,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:52:30,517 INFO L85 PathProgramCache]: Analyzing trace with hash 539348, now seen corresponding path program 1 times [2024-01-27 14:52:30,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:52:30,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128558939] [2024-01-27 14:52:30,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:52:30,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:52:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:52:30,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:52:30,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:52:30,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128558939] [2024-01-27 14:52:30,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128558939] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:52:30,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:52:30,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:52:30,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525266407] [2024-01-27 14:52:30,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:52:30,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:52:30,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:52:30,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:52:30,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:52:30,570 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 127 [2024-01-27 14:52:30,570 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 99 transitions, 219 flow. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 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 14:52:30,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:52:30,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 127 [2024-01-27 14:52:30,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:52:31,181 INFO L124 PetriNetUnfolderBase]: 4544/7649 cut-off events. [2024-01-27 14:52:31,181 INFO L125 PetriNetUnfolderBase]: For 621/626 co-relation queries the response was YES. [2024-01-27 14:52:31,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15062 conditions, 7649 events. 4544/7649 cut-off events. For 621/626 co-relation queries the response was YES. Maximal size of possible extension queue 564. Compared 61958 event pairs, 3973 based on Foata normal form. 3/5255 useless extension candidates. Maximal degree in co-relation 4809. Up to 6436 conditions per place. [2024-01-27 14:52:31,221 INFO L140 encePairwiseOnDemand]: 122/127 looper letters, 41 selfloop transitions, 2 changer transitions 0/96 dead transitions. [2024-01-27 14:52:31,222 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 96 transitions, 299 flow [2024-01-27 14:52:31,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:52:31,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:52:31,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 224 transitions. [2024-01-27 14:52:31,224 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5879265091863517 [2024-01-27 14:52:31,224 INFO L175 Difference]: Start difference. First operand has 101 places, 99 transitions, 219 flow. Second operand 3 states and 224 transitions. [2024-01-27 14:52:31,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 96 transitions, 299 flow [2024-01-27 14:52:31,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 96 transitions, 296 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:52:31,226 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 214 flow [2024-01-27 14:52:31,226 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=99, PETRI_TRANSITIONS=96} [2024-01-27 14:52:31,227 INFO L281 CegarLoopForPetriNet]: 130 programPoint places, -31 predicate places. [2024-01-27 14:52:31,227 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 214 flow [2024-01-27 14:52:31,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 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 14:52:31,227 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:52:31,227 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-27 14:52:31,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 14:52:31,228 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-01-27 14:52:31,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:52:31,228 INFO L85 PathProgramCache]: Analyzing trace with hash 16720402, now seen corresponding path program 1 times [2024-01-27 14:52:31,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:52:31,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108290215] [2024-01-27 14:52:31,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:52:31,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:52:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:52:31,264 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 14:52:31,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:52:31,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108290215] [2024-01-27 14:52:31,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108290215] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:52:31,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:52:31,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:52:31,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140939833] [2024-01-27 14:52:31,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:52:31,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:52:31,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:52:31,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:52:31,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:52:31,270 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 127 [2024-01-27 14:52:31,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 96 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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 14:52:31,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:52:31,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 127 [2024-01-27 14:52:31,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:52:31,908 INFO L124 PetriNetUnfolderBase]: 4544/7647 cut-off events. [2024-01-27 14:52:31,908 INFO L125 PetriNetUnfolderBase]: For 622/627 co-relation queries the response was YES. [2024-01-27 14:52:31,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14870 conditions, 7647 events. 4544/7647 cut-off events. For 622/627 co-relation queries the response was YES. Maximal size of possible extension queue 561. Compared 61711 event pairs, 3973 based on Foata normal form. 2/5254 useless extension candidates. Maximal degree in co-relation 14842. Up to 6437 conditions per place. [2024-01-27 14:52:31,943 INFO L140 encePairwiseOnDemand]: 123/127 looper letters, 41 selfloop transitions, 2 changer transitions 0/94 dead transitions. [2024-01-27 14:52:31,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 94 transitions, 296 flow [2024-01-27 14:52:31,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:52:31,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:52:31,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 226 transitions. [2024-01-27 14:52:31,946 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5931758530183727 [2024-01-27 14:52:31,946 INFO L175 Difference]: Start difference. First operand has 99 places, 96 transitions, 214 flow. Second operand 3 states and 226 transitions. [2024-01-27 14:52:31,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 94 transitions, 296 flow [2024-01-27 14:52:31,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 94 transitions, 292 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:52:31,950 INFO L231 Difference]: Finished difference. Result has 97 places, 94 transitions, 210 flow [2024-01-27 14:52:31,950 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=206, 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=210, PETRI_PLACES=97, PETRI_TRANSITIONS=94} [2024-01-27 14:52:31,951 INFO L281 CegarLoopForPetriNet]: 130 programPoint places, -33 predicate places. [2024-01-27 14:52:31,951 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 94 transitions, 210 flow [2024-01-27 14:52:31,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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 14:52:31,951 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:52:31,951 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-27 14:52:31,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-27 14:52:31,952 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-01-27 14:52:31,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:52:31,952 INFO L85 PathProgramCache]: Analyzing trace with hash 518333044, now seen corresponding path program 1 times [2024-01-27 14:52:31,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:52:31,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379068863] [2024-01-27 14:52:31,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:52:31,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:52:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:52:32,086 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 14:52:32,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:52:32,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379068863] [2024-01-27 14:52:32,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379068863] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:52:32,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:52:32,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:52:32,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724954551] [2024-01-27 14:52:32,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:52:32,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:52:32,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:52:32,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:52:32,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:52:32,093 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 127 [2024-01-27 14:52:32,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 94 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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 14:52:32,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:52:32,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 127 [2024-01-27 14:52:32,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:52:32,669 INFO L124 PetriNetUnfolderBase]: 5368/8694 cut-off events. [2024-01-27 14:52:32,669 INFO L125 PetriNetUnfolderBase]: For 724/729 co-relation queries the response was YES. [2024-01-27 14:52:32,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17177 conditions, 8694 events. 5368/8694 cut-off events. For 724/729 co-relation queries the response was YES. Maximal size of possible extension queue 640. Compared 69750 event pairs, 4721 based on Foata normal form. 1/5885 useless extension candidates. Maximal degree in co-relation 17155. Up to 7596 conditions per place. [2024-01-27 14:52:32,713 INFO L140 encePairwiseOnDemand]: 124/127 looper letters, 42 selfloop transitions, 2 changer transitions 0/93 dead transitions. [2024-01-27 14:52:32,713 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 93 transitions, 296 flow [2024-01-27 14:52:32,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:52:32,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:52:32,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 226 transitions. [2024-01-27 14:52:32,715 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5931758530183727 [2024-01-27 14:52:32,715 INFO L175 Difference]: Start difference. First operand has 97 places, 94 transitions, 210 flow. Second operand 3 states and 226 transitions. [2024-01-27 14:52:32,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 93 transitions, 296 flow [2024-01-27 14:52:32,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 93 transitions, 292 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:52:32,718 INFO L231 Difference]: Finished difference. Result has 96 places, 93 transitions, 208 flow [2024-01-27 14:52:32,718 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=208, PETRI_PLACES=96, PETRI_TRANSITIONS=93} [2024-01-27 14:52:32,719 INFO L281 CegarLoopForPetriNet]: 130 programPoint places, -34 predicate places. [2024-01-27 14:52:32,719 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 93 transitions, 208 flow [2024-01-27 14:52:32,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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 14:52:32,720 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:52:32,720 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-27 14:52:32,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-27 14:52:32,721 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-01-27 14:52:32,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:52:32,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1111544262, now seen corresponding path program 1 times [2024-01-27 14:52:32,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:52:32,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143853869] [2024-01-27 14:52:32,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:52:32,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:52:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:52:32,790 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 14:52:32,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:52:32,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143853869] [2024-01-27 14:52:32,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143853869] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:52:32,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:52:32,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:52:32,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188647164] [2024-01-27 14:52:32,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:52:32,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:52:32,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:52:32,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:52:32,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:52:32,796 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 127 [2024-01-27 14:52:32,796 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 93 transitions, 208 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 14:52:32,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:52:32,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 127 [2024-01-27 14:52:32,797 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:52:33,664 INFO L124 PetriNetUnfolderBase]: 6950/12597 cut-off events. [2024-01-27 14:52:33,665 INFO L125 PetriNetUnfolderBase]: For 976/981 co-relation queries the response was YES. [2024-01-27 14:52:33,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23493 conditions, 12597 events. 6950/12597 cut-off events. For 976/981 co-relation queries the response was YES. Maximal size of possible extension queue 870. Compared 113079 event pairs, 3041 based on Foata normal form. 1/9045 useless extension candidates. Maximal degree in co-relation 23478. Up to 4947 conditions per place. [2024-01-27 14:52:33,746 INFO L140 encePairwiseOnDemand]: 120/127 looper letters, 73 selfloop transitions, 2 changer transitions 0/121 dead transitions. [2024-01-27 14:52:33,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 121 transitions, 427 flow [2024-01-27 14:52:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:52:33,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:52:33,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2024-01-27 14:52:33,748 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6640419947506562 [2024-01-27 14:52:33,748 INFO L175 Difference]: Start difference. First operand has 96 places, 93 transitions, 208 flow. Second operand 3 states and 253 transitions. [2024-01-27 14:52:33,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 121 transitions, 427 flow [2024-01-27 14:52:33,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 121 transitions, 423 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:52:33,752 INFO L231 Difference]: Finished difference. Result has 93 places, 90 transitions, 208 flow [2024-01-27 14:52:33,752 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=208, PETRI_PLACES=93, PETRI_TRANSITIONS=90} [2024-01-27 14:52:33,755 INFO L281 CegarLoopForPetriNet]: 130 programPoint places, -37 predicate places. [2024-01-27 14:52:33,755 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 90 transitions, 208 flow [2024-01-27 14:52:33,755 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 14:52:33,755 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:52:33,755 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:52:33,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-27 14:52:33,756 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-01-27 14:52:33,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:52:33,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1775045757, now seen corresponding path program 1 times [2024-01-27 14:52:33,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:52:33,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596390670] [2024-01-27 14:52:33,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:52:33,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:52:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:52:33,900 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 14:52:33,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:52:33,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596390670] [2024-01-27 14:52:33,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596390670] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:52:33,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:52:33,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:52:33,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298097463] [2024-01-27 14:52:33,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:52:33,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:52:33,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:52:33,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:52:33,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:52:33,927 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 127 [2024-01-27 14:52:33,927 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 90 transitions, 208 flow. Second operand has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 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 14:52:33,927 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:52:33,927 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 127 [2024-01-27 14:52:33,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:52:34,569 INFO L124 PetriNetUnfolderBase]: 6021/10039 cut-off events. [2024-01-27 14:52:34,569 INFO L125 PetriNetUnfolderBase]: For 1455/1559 co-relation queries the response was YES. [2024-01-27 14:52:34,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20378 conditions, 10039 events. 6021/10039 cut-off events. For 1455/1559 co-relation queries the response was YES. Maximal size of possible extension queue 678. Compared 80024 event pairs, 325 based on Foata normal form. 1420/9993 useless extension candidates. Maximal degree in co-relation 9829. Up to 7886 conditions per place. [2024-01-27 14:52:34,643 INFO L140 encePairwiseOnDemand]: 116/127 looper letters, 59 selfloop transitions, 2 changer transitions 0/100 dead transitions. [2024-01-27 14:52:34,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 100 transitions, 361 flow [2024-01-27 14:52:34,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:52:34,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:52:34,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 289 transitions. [2024-01-27 14:52:34,645 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5688976377952756 [2024-01-27 14:52:34,645 INFO L175 Difference]: Start difference. First operand has 93 places, 90 transitions, 208 flow. Second operand 4 states and 289 transitions. [2024-01-27 14:52:34,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 100 transitions, 361 flow [2024-01-27 14:52:34,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 100 transitions, 358 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:52:34,648 INFO L231 Difference]: Finished difference. Result has 86 places, 81 transitions, 192 flow [2024-01-27 14:52:34,648 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=192, PETRI_PLACES=86, PETRI_TRANSITIONS=81} [2024-01-27 14:52:34,648 INFO L281 CegarLoopForPetriNet]: 130 programPoint places, -44 predicate places. [2024-01-27 14:52:34,649 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 81 transitions, 192 flow [2024-01-27 14:52:34,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 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 14:52:34,649 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:52:34,649 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:52:34,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-27 14:52:34,650 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-01-27 14:52:34,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:52:34,650 INFO L85 PathProgramCache]: Analyzing trace with hash 808157032, now seen corresponding path program 1 times [2024-01-27 14:52:34,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:52:34,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573930203] [2024-01-27 14:52:34,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:52:34,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:52:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:52:34,664 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-27 14:52:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:52:34,686 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-27 14:52:34,686 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-27 14:52:34,687 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 116 remaining) [2024-01-27 14:52:34,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 116 remaining) [2024-01-27 14:52:34,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 116 remaining) [2024-01-27 14:52:34,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 116 remaining) [2024-01-27 14:52:34,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 116 remaining) [2024-01-27 14:52:34,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 116 remaining) [2024-01-27 14:52:34,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 116 remaining) [2024-01-27 14:52:34,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 116 remaining) [2024-01-27 14:52:34,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 116 remaining) [2024-01-27 14:52:34,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 116 remaining) [2024-01-27 14:52:34,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 116 remaining) [2024-01-27 14:52:34,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 116 remaining) [2024-01-27 14:52:34,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 116 remaining) [2024-01-27 14:52:34,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 116 remaining) [2024-01-27 14:52:34,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 116 remaining) [2024-01-27 14:52:34,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 116 remaining) [2024-01-27 14:52:34,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 116 remaining) [2024-01-27 14:52:34,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 116 remaining) [2024-01-27 14:52:34,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 116 remaining) [2024-01-27 14:52:34,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 116 remaining) [2024-01-27 14:52:34,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 116 remaining) [2024-01-27 14:52:34,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 116 remaining) [2024-01-27 14:52:34,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 116 remaining) [2024-01-27 14:52:34,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 116 remaining) [2024-01-27 14:52:34,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 116 remaining) [2024-01-27 14:52:34,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 116 remaining) [2024-01-27 14:52:34,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 116 remaining) [2024-01-27 14:52:34,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 116 remaining) [2024-01-27 14:52:34,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 116 remaining) [2024-01-27 14:52:34,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 116 remaining) [2024-01-27 14:52:34,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 116 remaining) [2024-01-27 14:52:34,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 116 remaining) [2024-01-27 14:52:34,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 116 remaining) [2024-01-27 14:52:34,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 116 remaining) [2024-01-27 14:52:34,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 116 remaining) [2024-01-27 14:52:34,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 116 remaining) [2024-01-27 14:52:34,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 116 remaining) [2024-01-27 14:52:34,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 116 remaining) [2024-01-27 14:52:34,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 116 remaining) [2024-01-27 14:52:34,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 116 remaining) [2024-01-27 14:52:34,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 116 remaining) [2024-01-27 14:52:34,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 116 remaining) [2024-01-27 14:52:34,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 116 remaining) [2024-01-27 14:52:34,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 116 remaining) [2024-01-27 14:52:34,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 116 remaining) [2024-01-27 14:52:34,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 116 remaining) [2024-01-27 14:52:34,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 116 remaining) [2024-01-27 14:52:34,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 116 remaining) [2024-01-27 14:52:34,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 116 remaining) [2024-01-27 14:52:34,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 116 remaining) [2024-01-27 14:52:34,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 116 remaining) [2024-01-27 14:52:34,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 116 remaining) [2024-01-27 14:52:34,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 116 remaining) [2024-01-27 14:52:34,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 116 remaining) [2024-01-27 14:52:34,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 116 remaining) [2024-01-27 14:52:34,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 116 remaining) [2024-01-27 14:52:34,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 116 remaining) [2024-01-27 14:52:34,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 116 remaining) [2024-01-27 14:52:34,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 116 remaining) [2024-01-27 14:52:34,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 116 remaining) [2024-01-27 14:52:34,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 116 remaining) [2024-01-27 14:52:34,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 116 remaining) [2024-01-27 14:52:34,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 116 remaining) [2024-01-27 14:52:34,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 116 remaining) [2024-01-27 14:52:34,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (51 of 116 remaining) [2024-01-27 14:52:34,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 116 remaining) [2024-01-27 14:52:34,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 116 remaining) [2024-01-27 14:52:34,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 116 remaining) [2024-01-27 14:52:34,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 116 remaining) [2024-01-27 14:52:34,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 116 remaining) [2024-01-27 14:52:34,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 116 remaining) [2024-01-27 14:52:34,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 116 remaining) [2024-01-27 14:52:34,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 116 remaining) [2024-01-27 14:52:34,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 116 remaining) [2024-01-27 14:52:34,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 116 remaining) [2024-01-27 14:52:34,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 116 remaining) [2024-01-27 14:52:34,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 116 remaining) [2024-01-27 14:52:34,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 116 remaining) [2024-01-27 14:52:34,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 116 remaining) [2024-01-27 14:52:34,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 116 remaining) [2024-01-27 14:52:34,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 116 remaining) [2024-01-27 14:52:34,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 116 remaining) [2024-01-27 14:52:34,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 116 remaining) [2024-01-27 14:52:34,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 116 remaining) [2024-01-27 14:52:34,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 116 remaining) [2024-01-27 14:52:34,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 116 remaining) [2024-01-27 14:52:34,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 116 remaining) [2024-01-27 14:52:34,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 116 remaining) [2024-01-27 14:52:34,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 116 remaining) [2024-01-27 14:52:34,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 116 remaining) [2024-01-27 14:52:34,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 116 remaining) [2024-01-27 14:52:34,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 116 remaining) [2024-01-27 14:52:34,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 116 remaining) [2024-01-27 14:52:34,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 116 remaining) [2024-01-27 14:52:34,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 116 remaining) [2024-01-27 14:52:34,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 116 remaining) [2024-01-27 14:52:34,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 116 remaining) [2024-01-27 14:52:34,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 116 remaining) [2024-01-27 14:52:34,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 116 remaining) [2024-01-27 14:52:34,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 116 remaining) [2024-01-27 14:52:34,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 116 remaining) [2024-01-27 14:52:34,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 116 remaining) [2024-01-27 14:52:34,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 116 remaining) [2024-01-27 14:52:34,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 116 remaining) [2024-01-27 14:52:34,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 116 remaining) [2024-01-27 14:52:34,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 116 remaining) [2024-01-27 14:52:34,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 116 remaining) [2024-01-27 14:52:34,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 116 remaining) [2024-01-27 14:52:34,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 116 remaining) [2024-01-27 14:52:34,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 116 remaining) [2024-01-27 14:52:34,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 116 remaining) [2024-01-27 14:52:34,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 116 remaining) [2024-01-27 14:52:34,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 116 remaining) [2024-01-27 14:52:34,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 116 remaining) [2024-01-27 14:52:34,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 116 remaining) [2024-01-27 14:52:34,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 116 remaining) [2024-01-27 14:52:34,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-27 14:52:34,710 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:52:34,716 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-27 14:52:34,716 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-27 14:52:34,737 INFO L503 ceAbstractionStarter]: Automizer considered 63 witness invariants [2024-01-27 14:52:34,737 INFO L504 ceAbstractionStarter]: WitnessConsidered=63 [2024-01-27 14:52:34,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 02:52:34 BasicIcfg [2024-01-27 14:52:34,738 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-27 14:52:34,739 INFO L158 Benchmark]: Toolchain (without parser) took 6946.71ms. Allocated memory was 216.0MB in the beginning and 1.2GB in the end (delta: 992.0MB). Free memory was 138.7MB in the beginning and 528.5MB in the end (delta: -389.8MB). Peak memory consumption was 603.9MB. Max. memory is 16.1GB. [2024-01-27 14:52:34,739 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 123.7MB. Free memory was 89.1MB in the beginning and 89.0MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:52:34,739 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 216.0MB. Free memory is still 186.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:52:34,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.94ms. Allocated memory is still 216.0MB. Free memory was 138.5MB in the beginning and 119.8MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-01-27 14:52:34,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.05ms. Allocated memory is still 216.0MB. Free memory was 119.6MB in the beginning and 117.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 14:52:34,740 INFO L158 Benchmark]: Boogie Preprocessor took 67.99ms. Allocated memory is still 216.0MB. Free memory was 117.9MB in the beginning and 115.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 14:52:34,740 INFO L158 Benchmark]: RCFGBuilder took 810.30ms. Allocated memory is still 216.0MB. Free memory was 115.4MB in the beginning and 162.0MB in the end (delta: -46.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-01-27 14:52:34,741 INFO L158 Benchmark]: TraceAbstraction took 5731.71ms. Allocated memory was 216.0MB in the beginning and 1.2GB in the end (delta: 992.0MB). Free memory was 161.2MB in the beginning and 528.5MB in the end (delta: -367.3MB). Peak memory consumption was 626.5MB. Max. memory is 16.1GB. [2024-01-27 14:52:34,742 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 123.7MB. Free memory was 89.1MB in the beginning and 89.0MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 216.0MB. Free memory is still 186.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.94ms. Allocated memory is still 216.0MB. Free memory was 138.5MB in the beginning and 119.8MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.05ms. Allocated memory is still 216.0MB. Free memory was 119.6MB in the beginning and 117.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.99ms. Allocated memory is still 216.0MB. Free memory was 117.9MB in the beginning and 115.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 810.30ms. Allocated memory is still 216.0MB. Free memory was 115.4MB in the beginning and 162.0MB in the end (delta: -46.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5731.71ms. Allocated memory was 216.0MB in the beginning and 1.2GB in the end (delta: 992.0MB). Free memory was 161.2MB in the beginning and 528.5MB in the end (delta: -367.3MB). Peak memory consumption was 626.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 43]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] 0 unsigned int L, M, N, p, q; [L90] 0 pthread_t t1, t2, t3; VAL [L=0, M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L92] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[p],IntegerLiteral[0U]]]] VAL [L=0, M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L92] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]]] VAL [L=0, M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L92] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[M],IntegerLiteral[0U]]]] VAL [L=0, M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L92] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[L],IntegerLiteral[0U]]]] VAL [L=0, M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L92] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[q],IntegerLiteral[0U]]]] [L92] 0 L = __VERIFIER_nondet_uint() [L93] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[M],IntegerLiteral[0U]]]] VAL [M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L93] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]]] VAL [M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L93] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[p],IntegerLiteral[0U]]]] VAL [M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L93] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[q],IntegerLiteral[0U]]]] [L93] 0 M = __VERIFIER_nondet_uint() [L94] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[p],IntegerLiteral[0U]]]] VAL [N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L94] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]]] VAL [N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L94] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[q],IntegerLiteral[0U]]]] [L94] 0 N = L VAL [L=4294967297, N=4294967297, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L97] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[p],IntegerLiteral[0U]]]] VAL [L=4294967297, N=4294967297, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L97] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[q],IntegerLiteral[0U]]]] [L97] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [L=4294967297, N=4294967297, _argptr={0:0}, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L41] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[_argptr]],IntegerLiteral[0UL]]]] VAL [L=4294967297, N=4294967297, _argptr={0:0}, _argptr={0:0}, p=0, q=0] [L42] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[_argptr]],IntegerLiteral[0UL]]]] [L42] 1 _Bool cond = N > 0; [L43] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[q],IntegerLiteral[0U]]]] [L43] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]]] VAL [L=4294967297, N=4294967297, _argptr={0:0}, _argptr={0:0}, cond=1, p=0, q=0] - 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: 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: 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: 66]: 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: 67]: 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: 69]: 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: 79]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 80]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 79]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 97]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 97]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 105]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 97]: 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: 99]: 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: 98]: 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 7 procedures, 209 locations, 116 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: 5.6s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 226 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 180 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 526 IncrementalHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 3 mSDtfsCounter, 526 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=264occurred in iteration=0, InterpolantAutomatonStates: 19, 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, 0.5s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 14:52:34,780 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