./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-threaded-sum-2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8857f20b Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-threaded-sum-2.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-8857f20-m [2024-01-29 22:58:28,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 22:58:28,344 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 22:58:28,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 22:58:28,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 22:58:28,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 22:58:28,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 22:58:28,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 22:58:28,375 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 22:58:28,375 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 22:58:28,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 22:58:28,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 22:58:28,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 22:58:28,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 22:58:28,377 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 22:58:28,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 22:58:28,380 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 22:58:28,380 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 22:58:28,381 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 22:58:28,381 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 22:58:28,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 22:58:28,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 22:58:28,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 22:58:28,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 22:58:28,385 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 22:58:28,385 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 22:58:28,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 22:58:28,385 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 22:58:28,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 22:58:28,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 22:58:28,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 22:58:28,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 22:58:28,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:58:28,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 22:58:28,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 22:58:28,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 22:58:28,387 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 22:58:28,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 22:58:28,388 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 22:58:28,388 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 22:58:28,388 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 22:58:28,389 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 22:58:28,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 22:58:28,389 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 22:58:28,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 22:58:28,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 22:58:28,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 22:58:28,671 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 22:58:28,671 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 22:58:28,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-threaded-sum-2.wvr.yml/witness.yml [2024-01-29 22:58:28,757 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 22:58:28,757 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 22:58:28,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2024-01-29 22:58:29,859 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 22:58:30,009 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 22:58:30,010 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2024-01-29 22:58:30,017 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8415400ab/4e05a144ba0c4f1487a83294770e0f1e/FLAG26d9d72e7 [2024-01-29 22:58:30,033 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8415400ab/4e05a144ba0c4f1487a83294770e0f1e [2024-01-29 22:58:30,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 22:58:30,035 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 22:58:30,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 22:58:30,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 22:58:30,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 22:58:30,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:58:28" (1/2) ... [2024-01-29 22:58:30,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e060f1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:30, skipping insertion in model container [2024-01-29 22:58:30,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:58:28" (1/2) ... [2024-01-29 22:58:30,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@516eb21d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:30, skipping insertion in model container [2024-01-29 22:58:30,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:58:30" (2/2) ... [2024-01-29 22:58:30,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e060f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:58:30, skipping insertion in model container [2024-01-29 22:58:30,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:58:30" (2/2) ... [2024-01-29 22:58:30,048 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 22:58:30,076 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 22:58:30,078 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,078 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,078 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (s == 0U) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:30,078 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] s == 0U [2024-01-29 22:58:30,078 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,079 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,079 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (t == 0U) && (T == 0U) [2024-01-29 22:58:30,079 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] t == 0U [2024-01-29 22:58:30,080 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] ((t == 0U) && (T == 0U)) && (S == 0U) [2024-01-29 22:58:30,080 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (t == 0U) && (m == 0U) [2024-01-29 22:58:30,080 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] s == 0U [2024-01-29 22:58:30,080 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (s == 0U) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:30,080 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (1U <= s) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:30,080 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] 1U <= s [2024-01-29 22:58:30,080 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] ((1U <= s) && ((unsigned long )_argptr == 0UL)) && (s != 0U) [2024-01-29 22:58:30,081 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] s <= 4294967294U [2024-01-29 22:58:30,081 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (s <= 4294967294U) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:30,081 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,081 INFO L98 nessWitnessExtractor]: Loop invariant at [L63-L73] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,081 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (1U <= s) && (m == 0U) [2024-01-29 22:58:30,081 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] ((1U <= s) && (m == 0U)) && (s != 0U) [2024-01-29 22:58:30,082 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 1U <= s [2024-01-29 22:58:30,082 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,082 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,082 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,082 INFO L98 nessWitnessExtractor]: Loop invariant at [L44-L54] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,082 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,082 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] s <= 4294967294U [2024-01-29 22:58:30,083 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (s <= 4294967294U) && (s != 4294967295U) [2024-01-29 22:58:30,083 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (s <= 4294967294U) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:30,083 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,083 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,083 INFO L98 nessWitnessExtractor]: Location invariant before [L41-L41] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,083 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L49] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,083 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,084 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (s == 0U) && (m == 0U) [2024-01-29 22:58:30,084 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] ((s == 0U) && (m == 0U)) && (T == 0U) [2024-01-29 22:58:30,084 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] s == 0U [2024-01-29 22:58:30,085 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] ((s == 0U) && (m == 0U)) && (S == 0U) [2024-01-29 22:58:30,085 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (s == 0U) && (t == 0U) [2024-01-29 22:58:30,085 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,085 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] ((unsigned long )_argptr == 0UL) && (S == 0U) [2024-01-29 22:58:30,085 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,086 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] ((unsigned long )_argptr == 0UL) && (T == 0U) [2024-01-29 22:58:30,086 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] ((unsigned long )_argptr == 0UL) && (t == 0U) [2024-01-29 22:58:30,086 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] ((unsigned long )_argptr == 0UL) && (m == 0U) [2024-01-29 22:58:30,086 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,086 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] m == 0U [2024-01-29 22:58:30,086 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] (m == 0U) && (T == 0U) [2024-01-29 22:58:30,087 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] m == 0U [2024-01-29 22:58:30,087 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] ((m == 0U) && (T == 0U)) && (S == 0U) [2024-01-29 22:58:30,087 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,087 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,087 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-29 22:58:30,088 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] m == 0U [2024-01-29 22:58:30,088 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (m == 0U) && (T == 0U) [2024-01-29 22:58:30,106 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 22:58:30,270 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c[2502,2515] [2024-01-29 22:58:30,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:58:30,284 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 22:58:30,368 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c[2502,2515] [2024-01-29 22:58:30,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:58:30,383 INFO L206 MainTranslator]: Completed translation [2024-01-29 22:58:30,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:58:30 WrapperNode [2024-01-29 22:58:30,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 22:58:30,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 22:58:30,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 22:58:30,386 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 22:58:30,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:58:30" (1/1) ... [2024-01-29 22:58:30,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:58:30" (1/1) ... [2024-01-29 22:58:30,413 INFO L138 Inliner]: procedures = 21, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-01-29 22:58:30,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 22:58:30,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 22:58:30,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 22:58:30,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 22:58:30,425 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:58:30" (1/1) ... [2024-01-29 22:58:30,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:58:30" (1/1) ... [2024-01-29 22:58:30,440 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:58:30" (1/1) ... [2024-01-29 22:58:30,452 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-01-29 22:58:30,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:58:30" (1/1) ... [2024-01-29 22:58:30,453 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:58:30" (1/1) ... [2024-01-29 22:58:30,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:58:30" (1/1) ... [2024-01-29 22:58:30,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:58:30" (1/1) ... [2024-01-29 22:58:30,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:58:30" (1/1) ... [2024-01-29 22:58:30,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:58:30" (1/1) ... [2024-01-29 22:58:30,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 22:58:30,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 22:58:30,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 22:58:30,474 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 22:58:30,474 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:58:30" (1/1) ... [2024-01-29 22:58:30,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:58:30,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 22:58:30,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-29 22:58:30,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-29 22:58:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 22:58:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 22:58:30,579 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 22:58:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 22:58:30,579 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 22:58:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 22:58:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 22:58:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 22:58:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 22:58:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 22:58:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 22:58:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 22:58:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-29 22:58:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-29 22:58:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 22:58:30,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 22:58:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 22:58:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 22:58:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 22:58:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 22:58:30,603 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 22:58:30,707 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 22:58:30,708 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 22:58:31,081 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 22:58:31,082 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 22:58:31,215 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 22:58:31,216 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-01-29 22:58:31,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:58:31 BoogieIcfgContainer [2024-01-29 22:58:31,216 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 22:58:31,217 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 22:58:31,217 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 22:58:31,220 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 22:58:31,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:58:28" (1/4) ... [2024-01-29 22:58:31,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367bec37 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 10:58:31, skipping insertion in model container [2024-01-29 22:58:31,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 10:58:30" (2/4) ... [2024-01-29 22:58:31,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367bec37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:58:31, skipping insertion in model container [2024-01-29 22:58:31,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:58:30" (3/4) ... [2024-01-29 22:58:31,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367bec37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:58:31, skipping insertion in model container [2024-01-29 22:58:31,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:58:31" (4/4) ... [2024-01-29 22:58:31,222 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2024-01-29 22:58:31,235 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 22:58:31,235 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 59 error locations. [2024-01-29 22:58:31,235 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 22:58:31,300 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-29 22:58:31,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 115 transitions, 244 flow [2024-01-29 22:58:31,411 INFO L124 PetriNetUnfolderBase]: 2/113 cut-off events. [2024-01-29 22:58:31,411 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-29 22:58:31,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 113 events. 2/113 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 292 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2024-01-29 22:58:31,415 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 115 transitions, 244 flow [2024-01-29 22:58:31,418 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 117 places, 112 transitions, 236 flow [2024-01-29 22:58:31,430 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 22:58:31,435 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;@26b94318, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 22:58:31,436 INFO L358 AbstractCegarLoop]: Starting to check reachability of 101 error locations. [2024-01-29 22:58:31,438 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 22:58:31,438 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 22:58:31,438 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 22:58:31,438 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:58:31,439 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 22:58:31,439 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 98 more)] === [2024-01-29 22:58:31,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:58:31,443 INFO L85 PathProgramCache]: Analyzing trace with hash 15395, now seen corresponding path program 1 times [2024-01-29 22:58:31,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:58:31,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759203830] [2024-01-29 22:58:31,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:58:31,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:58:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:58:31,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:58:31,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:58:31,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759203830] [2024-01-29 22:58:31,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759203830] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:58:31,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:58:31,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 22:58:31,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524177266] [2024-01-29 22:58:31,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:58:31,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:58:31,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:58:31,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:58:31,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:58:31,808 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 115 [2024-01-29 22:58:31,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 112 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:58:31,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:58:31,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 115 [2024-01-29 22:58:31,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:58:32,033 INFO L124 PetriNetUnfolderBase]: 473/1063 cut-off events. [2024-01-29 22:58:32,033 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-01-29 22:58:32,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1938 conditions, 1063 events. 473/1063 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 7706 event pairs, 459 based on Foata normal form. 2/584 useless extension candidates. Maximal degree in co-relation 1784. Up to 829 conditions per place. [2024-01-29 22:58:32,041 INFO L140 encePairwiseOnDemand]: 96/115 looper letters, 39 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2024-01-29 22:58:32,041 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 95 transitions, 284 flow [2024-01-29 22:58:32,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:58:32,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:58:32,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 226 transitions. [2024-01-29 22:58:32,050 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6550724637681159 [2024-01-29 22:58:32,052 INFO L175 Difference]: Start difference. First operand has 117 places, 112 transitions, 236 flow. Second operand 3 states and 226 transitions. [2024-01-29 22:58:32,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 95 transitions, 284 flow [2024-01-29 22:58:32,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 95 transitions, 276 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-29 22:58:32,057 INFO L231 Difference]: Finished difference. Result has 98 places, 95 transitions, 198 flow [2024-01-29 22:58:32,059 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=98, PETRI_TRANSITIONS=95} [2024-01-29 22:58:32,061 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -19 predicate places. [2024-01-29 22:58:32,061 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 95 transitions, 198 flow [2024-01-29 22:58:32,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:58:32,062 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:58:32,062 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-29 22:58:32,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 22:58:32,062 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 98 more)] === [2024-01-29 22:58:32,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:58:32,062 INFO L85 PathProgramCache]: Analyzing trace with hash 477804, now seen corresponding path program 1 times [2024-01-29 22:58:32,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:58:32,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257677697] [2024-01-29 22:58:32,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:58:32,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:58:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:58:32,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:58:32,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:58:32,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257677697] [2024-01-29 22:58:32,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257677697] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:58:32,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:58:32,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:58:32,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162289451] [2024-01-29 22:58:32,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:58:32,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:58:32,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:58:32,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:58:32,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:58:32,217 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 115 [2024-01-29 22:58:32,218 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 95 transitions, 198 flow. Second operand has 4 states, 4 states have (on average 46.75) internal successors, (187), 4 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:58:32,218 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:58:32,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 115 [2024-01-29 22:58:32,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:58:32,359 INFO L124 PetriNetUnfolderBase]: 473/1060 cut-off events. [2024-01-29 22:58:32,359 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-29 22:58:32,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1917 conditions, 1060 events. 473/1060 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 7741 event pairs, 459 based on Foata normal form. 2/578 useless extension candidates. Maximal degree in co-relation 1899. Up to 831 conditions per place. [2024-01-29 22:58:32,365 INFO L140 encePairwiseOnDemand]: 109/115 looper letters, 46 selfloop transitions, 3 changer transitions 0/92 dead transitions. [2024-01-29 22:58:32,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 92 transitions, 290 flow [2024-01-29 22:58:32,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:58:32,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:58:32,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 236 transitions. [2024-01-29 22:58:32,371 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5130434782608696 [2024-01-29 22:58:32,371 INFO L175 Difference]: Start difference. First operand has 98 places, 95 transitions, 198 flow. Second operand 4 states and 236 transitions. [2024-01-29 22:58:32,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 92 transitions, 290 flow [2024-01-29 22:58:32,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 92 transitions, 286 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:58:32,374 INFO L231 Difference]: Finished difference. Result has 96 places, 92 transitions, 194 flow [2024-01-29 22:58:32,374 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=194, PETRI_PLACES=96, PETRI_TRANSITIONS=92} [2024-01-29 22:58:32,375 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -21 predicate places. [2024-01-29 22:58:32,375 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 92 transitions, 194 flow [2024-01-29 22:58:32,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.75) internal successors, (187), 4 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:58:32,375 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:58:32,375 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-29 22:58:32,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 22:58:32,376 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 98 more)] === [2024-01-29 22:58:32,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:58:32,376 INFO L85 PathProgramCache]: Analyzing trace with hash 459184468, now seen corresponding path program 1 times [2024-01-29 22:58:32,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:58:32,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147696682] [2024-01-29 22:58:32,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:58:32,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:58:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:58:32,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:58:32,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:58:32,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147696682] [2024-01-29 22:58:32,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147696682] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:58:32,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:58:32,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:58:32,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050240600] [2024-01-29 22:58:32,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:58:32,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-29 22:58:32,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:58:32,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-29 22:58:32,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-01-29 22:58:32,539 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 115 [2024-01-29 22:58:32,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 92 transitions, 194 flow. Second operand has 5 states, 5 states have (on average 43.0) internal successors, (215), 5 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:58:32,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:58:32,540 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 115 [2024-01-29 22:58:32,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:58:32,666 INFO L124 PetriNetUnfolderBase]: 473/1059 cut-off events. [2024-01-29 22:58:32,670 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-29 22:58:32,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1921 conditions, 1059 events. 473/1059 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 7759 event pairs, 459 based on Foata normal form. 0/579 useless extension candidates. Maximal degree in co-relation 1884. Up to 827 conditions per place. [2024-01-29 22:58:32,678 INFO L140 encePairwiseOnDemand]: 111/115 looper letters, 50 selfloop transitions, 3 changer transitions 0/91 dead transitions. [2024-01-29 22:58:32,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 91 transitions, 298 flow [2024-01-29 22:58:32,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:58:32,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:58:32,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 222 transitions. [2024-01-29 22:58:32,681 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4826086956521739 [2024-01-29 22:58:32,682 INFO L175 Difference]: Start difference. First operand has 96 places, 92 transitions, 194 flow. Second operand 4 states and 222 transitions. [2024-01-29 22:58:32,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 91 transitions, 298 flow [2024-01-29 22:58:32,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 91 transitions, 292 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-01-29 22:58:32,693 INFO L231 Difference]: Finished difference. Result has 95 places, 91 transitions, 192 flow [2024-01-29 22:58:32,694 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=192, PETRI_PLACES=95, PETRI_TRANSITIONS=91} [2024-01-29 22:58:32,694 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -22 predicate places. [2024-01-29 22:58:32,694 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 91 transitions, 192 flow [2024-01-29 22:58:32,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 43.0) internal successors, (215), 5 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:58:32,695 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:58:32,695 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:58:32,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 22:58:32,695 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 98 more)] === [2024-01-29 22:58:32,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:58:32,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1105341151, now seen corresponding path program 1 times [2024-01-29 22:58:32,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:58:32,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763169220] [2024-01-29 22:58:32,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:58:32,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:58:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:58:32,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:58:32,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:58:32,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763169220] [2024-01-29 22:58:32,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763169220] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:58:32,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:58:32,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:58:32,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396613452] [2024-01-29 22:58:32,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:58:32,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:58:32,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:58:32,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:58:32,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:58:32,795 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 115 [2024-01-29 22:58:32,799 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 91 transitions, 192 flow. Second operand has 4 states, 4 states have (on average 47.5) internal successors, (190), 4 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:58:32,801 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:58:32,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 115 [2024-01-29 22:58:32,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:58:33,021 INFO L124 PetriNetUnfolderBase]: 862/2030 cut-off events. [2024-01-29 22:58:33,026 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-29 22:58:33,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3565 conditions, 2030 events. 862/2030 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 15607 event pairs, 213 based on Foata normal form. 0/1274 useless extension candidates. Maximal degree in co-relation 3523. Up to 681 conditions per place. [2024-01-29 22:58:33,036 INFO L140 encePairwiseOnDemand]: 106/115 looper letters, 87 selfloop transitions, 8 changer transitions 0/134 dead transitions. [2024-01-29 22:58:33,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 134 transitions, 474 flow [2024-01-29 22:58:33,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:58:33,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:58:33,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 281 transitions. [2024-01-29 22:58:33,037 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6108695652173913 [2024-01-29 22:58:33,037 INFO L175 Difference]: Start difference. First operand has 95 places, 91 transitions, 192 flow. Second operand 4 states and 281 transitions. [2024-01-29 22:58:33,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 134 transitions, 474 flow [2024-01-29 22:58:33,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 134 transitions, 468 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-01-29 22:58:33,039 INFO L231 Difference]: Finished difference. Result has 94 places, 92 transitions, 215 flow [2024-01-29 22:58:33,040 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=215, PETRI_PLACES=94, PETRI_TRANSITIONS=92} [2024-01-29 22:58:33,041 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -23 predicate places. [2024-01-29 22:58:33,041 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 92 transitions, 215 flow [2024-01-29 22:58:33,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 4 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:58:33,041 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:58:33,041 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:58:33,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 22:58:33,041 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 98 more)] === [2024-01-29 22:58:33,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:58:33,042 INFO L85 PathProgramCache]: Analyzing trace with hash 94163150, now seen corresponding path program 1 times [2024-01-29 22:58:33,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:58:33,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296323636] [2024-01-29 22:58:33,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:58:33,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:58:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:58:33,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:58:33,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:58:33,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296323636] [2024-01-29 22:58:33,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296323636] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:58:33,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:58:33,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-29 22:58:33,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142405905] [2024-01-29 22:58:33,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:58:33,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-29 22:58:33,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:58:33,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-29 22:58:33,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-01-29 22:58:33,153 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 115 [2024-01-29 22:58:33,154 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 92 transitions, 215 flow. Second operand has 5 states, 5 states have (on average 51.4) internal successors, (257), 5 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:58:33,154 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:58:33,154 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 115 [2024-01-29 22:58:33,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:58:33,388 INFO L124 PetriNetUnfolderBase]: 862/2041 cut-off events. [2024-01-29 22:58:33,388 INFO L125 PetriNetUnfolderBase]: For 203/206 co-relation queries the response was YES. [2024-01-29 22:58:33,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3823 conditions, 2041 events. 862/2041 cut-off events. For 203/206 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 15811 event pairs, 189 based on Foata normal form. 3/1434 useless extension candidates. Maximal degree in co-relation 1358. Up to 721 conditions per place. [2024-01-29 22:58:33,397 INFO L140 encePairwiseOnDemand]: 107/115 looper letters, 77 selfloop transitions, 8 changer transitions 0/126 dead transitions. [2024-01-29 22:58:33,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 126 transitions, 462 flow [2024-01-29 22:58:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:58:33,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:58:33,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 285 transitions. [2024-01-29 22:58:33,398 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6195652173913043 [2024-01-29 22:58:33,398 INFO L175 Difference]: Start difference. First operand has 94 places, 92 transitions, 215 flow. Second operand 4 states and 285 transitions. [2024-01-29 22:58:33,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 126 transitions, 462 flow [2024-01-29 22:58:33,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 126 transitions, 462 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-29 22:58:33,400 INFO L231 Difference]: Finished difference. Result has 95 places, 91 transitions, 232 flow [2024-01-29 22:58:33,401 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=232, PETRI_PLACES=95, PETRI_TRANSITIONS=91} [2024-01-29 22:58:33,401 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -22 predicate places. [2024-01-29 22:58:33,401 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 91 transitions, 232 flow [2024-01-29 22:58:33,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 51.4) internal successors, (257), 5 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:58:33,401 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:58:33,401 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:58:33,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 22:58:33,402 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 98 more)] === [2024-01-29 22:58:33,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:58:33,402 INFO L85 PathProgramCache]: Analyzing trace with hash 601316173, now seen corresponding path program 1 times [2024-01-29 22:58:33,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:58:33,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838883850] [2024-01-29 22:58:33,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:58:33,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:58:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:58:33,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:58:33,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:58:33,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838883850] [2024-01-29 22:58:33,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838883850] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:58:33,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:58:33,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:58:33,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102429062] [2024-01-29 22:58:33,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:58:33,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:58:33,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:58:33,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:58:33,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:58:33,492 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 115 [2024-01-29 22:58:33,492 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 91 transitions, 232 flow. Second operand has 4 states, 4 states have (on average 51.75) internal successors, (207), 4 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:58:33,492 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:58:33,492 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 115 [2024-01-29 22:58:33,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:58:33,696 INFO L124 PetriNetUnfolderBase]: 918/2146 cut-off events. [2024-01-29 22:58:33,696 INFO L125 PetriNetUnfolderBase]: For 354/358 co-relation queries the response was YES. [2024-01-29 22:58:33,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4161 conditions, 2146 events. 918/2146 cut-off events. For 354/358 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 16761 event pairs, 654 based on Foata normal form. 2/1466 useless extension candidates. Maximal degree in co-relation 1435. Up to 1173 conditions per place. [2024-01-29 22:58:33,706 INFO L140 encePairwiseOnDemand]: 108/115 looper letters, 64 selfloop transitions, 5 changer transitions 1/109 dead transitions. [2024-01-29 22:58:33,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 109 transitions, 415 flow [2024-01-29 22:58:33,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:58:33,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:58:33,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 219 transitions. [2024-01-29 22:58:33,707 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6347826086956522 [2024-01-29 22:58:33,707 INFO L175 Difference]: Start difference. First operand has 95 places, 91 transitions, 232 flow. Second operand 3 states and 219 transitions. [2024-01-29 22:58:33,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 109 transitions, 415 flow [2024-01-29 22:58:33,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 109 transitions, 407 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 22:58:33,709 INFO L231 Difference]: Finished difference. Result has 95 places, 90 transitions, 243 flow [2024-01-29 22:58:33,710 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=243, PETRI_PLACES=95, PETRI_TRANSITIONS=90} [2024-01-29 22:58:33,710 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -22 predicate places. [2024-01-29 22:58:33,710 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 90 transitions, 243 flow [2024-01-29 22:58:33,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 51.75) internal successors, (207), 4 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:58:33,710 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:58:33,711 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:58:33,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-29 22:58:33,711 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 98 more)] === [2024-01-29 22:58:33,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:58:33,711 INFO L85 PathProgramCache]: Analyzing trace with hash -497968293, now seen corresponding path program 1 times [2024-01-29 22:58:33,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:58:33,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178583760] [2024-01-29 22:58:33,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:58:33,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:58:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:58:33,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:58:33,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:58:33,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178583760] [2024-01-29 22:58:33,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178583760] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:58:33,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:58:33,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:58:33,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660034420] [2024-01-29 22:58:33,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:58:33,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:58:33,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:58:33,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:58:33,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:58:33,800 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 115 [2024-01-29 22:58:33,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 90 transitions, 243 flow. Second operand has 4 states, 4 states have (on average 50.75) internal successors, (203), 4 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:58:33,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:58:33,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 115 [2024-01-29 22:58:33,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:58:34,060 INFO L124 PetriNetUnfolderBase]: 884/2214 cut-off events. [2024-01-29 22:58:34,060 INFO L125 PetriNetUnfolderBase]: For 686/686 co-relation queries the response was YES. [2024-01-29 22:58:34,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4288 conditions, 2214 events. 884/2214 cut-off events. For 686/686 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 17384 event pairs, 315 based on Foata normal form. 0/1632 useless extension candidates. Maximal degree in co-relation 1467. Up to 798 conditions per place. [2024-01-29 22:58:34,069 INFO L140 encePairwiseOnDemand]: 106/115 looper letters, 76 selfloop transitions, 6 changer transitions 1/119 dead transitions. [2024-01-29 22:58:34,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 119 transitions, 479 flow [2024-01-29 22:58:34,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:58:34,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:58:34,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 274 transitions. [2024-01-29 22:58:34,072 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5956521739130435 [2024-01-29 22:58:34,072 INFO L175 Difference]: Start difference. First operand has 95 places, 90 transitions, 243 flow. Second operand 4 states and 274 transitions. [2024-01-29 22:58:34,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 119 transitions, 479 flow [2024-01-29 22:58:34,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 119 transitions, 474 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 22:58:34,075 INFO L231 Difference]: Finished difference. Result has 93 places, 86 transitions, 242 flow [2024-01-29 22:58:34,075 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=242, PETRI_PLACES=93, PETRI_TRANSITIONS=86} [2024-01-29 22:58:34,075 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -24 predicate places. [2024-01-29 22:58:34,075 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 86 transitions, 242 flow [2024-01-29 22:58:34,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.75) internal successors, (203), 4 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:58:34,076 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:58:34,076 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:58:34,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-29 22:58:34,076 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 98 more)] === [2024-01-29 22:58:34,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:58:34,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1806141867, now seen corresponding path program 1 times [2024-01-29 22:58:34,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:58:34,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022944575] [2024-01-29 22:58:34,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:58:34,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:58:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 22:58:34,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 22:58:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 22:58:34,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 22:58:34,100 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 22:58:34,100 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 101 remaining) [2024-01-29 22:58:34,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 101 remaining) [2024-01-29 22:58:34,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 101 remaining) [2024-01-29 22:58:34,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 101 remaining) [2024-01-29 22:58:34,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 101 remaining) [2024-01-29 22:58:34,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 101 remaining) [2024-01-29 22:58:34,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 101 remaining) [2024-01-29 22:58:34,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 101 remaining) [2024-01-29 22:58:34,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 101 remaining) [2024-01-29 22:58:34,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 101 remaining) [2024-01-29 22:58:34,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 101 remaining) [2024-01-29 22:58:34,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 101 remaining) [2024-01-29 22:58:34,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 101 remaining) [2024-01-29 22:58:34,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 101 remaining) [2024-01-29 22:58:34,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 101 remaining) [2024-01-29 22:58:34,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 101 remaining) [2024-01-29 22:58:34,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 101 remaining) [2024-01-29 22:58:34,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 101 remaining) [2024-01-29 22:58:34,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 101 remaining) [2024-01-29 22:58:34,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 101 remaining) [2024-01-29 22:58:34,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 101 remaining) [2024-01-29 22:58:34,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 101 remaining) [2024-01-29 22:58:34,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 101 remaining) [2024-01-29 22:58:34,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 101 remaining) [2024-01-29 22:58:34,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 101 remaining) [2024-01-29 22:58:34,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 101 remaining) [2024-01-29 22:58:34,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 101 remaining) [2024-01-29 22:58:34,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 101 remaining) [2024-01-29 22:58:34,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 101 remaining) [2024-01-29 22:58:34,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 101 remaining) [2024-01-29 22:58:34,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 101 remaining) [2024-01-29 22:58:34,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 101 remaining) [2024-01-29 22:58:34,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 101 remaining) [2024-01-29 22:58:34,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 101 remaining) [2024-01-29 22:58:34,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 101 remaining) [2024-01-29 22:58:34,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 101 remaining) [2024-01-29 22:58:34,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 101 remaining) [2024-01-29 22:58:34,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 101 remaining) [2024-01-29 22:58:34,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 101 remaining) [2024-01-29 22:58:34,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 101 remaining) [2024-01-29 22:58:34,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 101 remaining) [2024-01-29 22:58:34,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 101 remaining) [2024-01-29 22:58:34,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 101 remaining) [2024-01-29 22:58:34,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 101 remaining) [2024-01-29 22:58:34,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 101 remaining) [2024-01-29 22:58:34,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 101 remaining) [2024-01-29 22:58:34,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 101 remaining) [2024-01-29 22:58:34,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 101 remaining) [2024-01-29 22:58:34,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 101 remaining) [2024-01-29 22:58:34,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 101 remaining) [2024-01-29 22:58:34,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 101 remaining) [2024-01-29 22:58:34,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 101 remaining) [2024-01-29 22:58:34,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 101 remaining) [2024-01-29 22:58:34,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 101 remaining) [2024-01-29 22:58:34,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 101 remaining) [2024-01-29 22:58:34,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 101 remaining) [2024-01-29 22:58:34,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 101 remaining) [2024-01-29 22:58:34,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 101 remaining) [2024-01-29 22:58:34,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (42 of 101 remaining) [2024-01-29 22:58:34,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 101 remaining) [2024-01-29 22:58:34,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 101 remaining) [2024-01-29 22:58:34,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 101 remaining) [2024-01-29 22:58:34,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 101 remaining) [2024-01-29 22:58:34,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 101 remaining) [2024-01-29 22:58:34,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 101 remaining) [2024-01-29 22:58:34,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 101 remaining) [2024-01-29 22:58:34,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 101 remaining) [2024-01-29 22:58:34,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 101 remaining) [2024-01-29 22:58:34,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 101 remaining) [2024-01-29 22:58:34,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 101 remaining) [2024-01-29 22:58:34,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 101 remaining) [2024-01-29 22:58:34,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 101 remaining) [2024-01-29 22:58:34,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 101 remaining) [2024-01-29 22:58:34,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 101 remaining) [2024-01-29 22:58:34,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 101 remaining) [2024-01-29 22:58:34,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 101 remaining) [2024-01-29 22:58:34,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 101 remaining) [2024-01-29 22:58:34,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 101 remaining) [2024-01-29 22:58:34,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 101 remaining) [2024-01-29 22:58:34,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 101 remaining) [2024-01-29 22:58:34,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 101 remaining) [2024-01-29 22:58:34,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 101 remaining) [2024-01-29 22:58:34,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 101 remaining) [2024-01-29 22:58:34,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 101 remaining) [2024-01-29 22:58:34,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 101 remaining) [2024-01-29 22:58:34,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 101 remaining) [2024-01-29 22:58:34,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 101 remaining) [2024-01-29 22:58:34,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 101 remaining) [2024-01-29 22:58:34,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 101 remaining) [2024-01-29 22:58:34,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 101 remaining) [2024-01-29 22:58:34,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 101 remaining) [2024-01-29 22:58:34,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 101 remaining) [2024-01-29 22:58:34,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 101 remaining) [2024-01-29 22:58:34,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 101 remaining) [2024-01-29 22:58:34,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 101 remaining) [2024-01-29 22:58:34,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 101 remaining) [2024-01-29 22:58:34,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 101 remaining) [2024-01-29 22:58:34,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 101 remaining) [2024-01-29 22:58:34,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 101 remaining) [2024-01-29 22:58:34,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 101 remaining) [2024-01-29 22:58:34,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 101 remaining) [2024-01-29 22:58:34,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-29 22:58:34,110 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:58:34,115 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 22:58:34,115 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 22:58:34,131 INFO L503 ceAbstractionStarter]: Automizer considered 58 witness invariants [2024-01-29 22:58:34,131 INFO L504 ceAbstractionStarter]: WitnessConsidered=58 [2024-01-29 22:58:34,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 10:58:34 BasicIcfg [2024-01-29 22:58:34,132 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 22:58:34,132 INFO L158 Benchmark]: Toolchain (without parser) took 4097.05ms. Allocated memory was 159.4MB in the beginning and 270.5MB in the end (delta: 111.1MB). Free memory was 118.4MB in the beginning and 164.0MB in the end (delta: -45.6MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-01-29 22:58:34,132 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 22:58:34,132 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 22:58:34,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.76ms. Allocated memory is still 159.4MB. Free memory was 118.4MB in the beginning and 99.9MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-01-29 22:58:34,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.11ms. Allocated memory is still 159.4MB. Free memory was 99.9MB in the beginning and 97.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 22:58:34,133 INFO L158 Benchmark]: Boogie Preprocessor took 56.64ms. Allocated memory is still 159.4MB. Free memory was 97.9MB in the beginning and 95.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 22:58:34,133 INFO L158 Benchmark]: RCFGBuilder took 742.70ms. Allocated memory is still 159.4MB. Free memory was 95.8MB in the beginning and 71.1MB in the end (delta: 24.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-01-29 22:58:34,133 INFO L158 Benchmark]: TraceAbstraction took 2914.21ms. Allocated memory was 159.4MB in the beginning and 270.5MB in the end (delta: 111.1MB). Free memory was 70.4MB in the beginning and 164.0MB in the end (delta: -93.6MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-01-29 22:58:34,134 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 0.14ms. Allocated memory is still 104.9MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.76ms. Allocated memory is still 159.4MB. Free memory was 118.4MB in the beginning and 99.9MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.11ms. Allocated memory is still 159.4MB. Free memory was 99.9MB in the beginning and 97.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.64ms. Allocated memory is still 159.4MB. Free memory was 97.9MB in the beginning and 95.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 742.70ms. Allocated memory is still 159.4MB. Free memory was 95.8MB in the beginning and 71.1MB in the end (delta: 24.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2914.21ms. Allocated memory was 159.4MB in the beginning and 270.5MB in the end (delta: 111.1MB). Free memory was 70.4MB in the beginning and 164.0MB in the end (delta: -93.6MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 86]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] unsigned int s, t, m, T, S; [L79] pthread_t t1, t2; VAL [S=0, T=0, m=0, s=0, t1={3:0}, t2={5:0}, t=0] [L81] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]]]]] VAL [S=0, T=0, m=0, s=0, t1={3:0}, t2={5:0}, t=0] [L81] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[S],IntegerLiteral[0U]]]]] VAL [S=0, T=0, m=0, s=0, t1={3:0}, t2={5:0}, t=0] [L81] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, s=0, t1={3:0}, t2={5:0}, t=0] [L81] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]]]] VAL [S=0, T=0, m=0, s=0, t1={3:0}, t2={5:0}, t=0] [L81] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]]]] [L81] s = __VERIFIER_nondet_uint() [L82] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]]]] VAL [S=0, T=0, m=0, t1={3:0}, t2={5:0}, t=0] [L82] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[S],IntegerLiteral[0U]]]]] VAL [S=0, T=0, m=0, t1={3:0}, t2={5:0}, t=0] [L82] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, t1={3:0}, t2={5:0}, t=0] [L82] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]]]] [L82] t = __VERIFIER_nondet_uint() [L83] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[S],IntegerLiteral[0U]]]]] VAL [S=0, T=0, m=0, t1={3:0}, t2={5:0}] [L83] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, t1={3:0}, t2={5:0}] [L83] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]]]] [L83] S = s VAL [S=0, T=0, m=0, s=0, t1={3:0}, t2={5:0}] [L84] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]]]] VAL [S=0, T=0, m=0, s=0, t1={3:0}, t2={5:0}] [L84] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]]] [L84] T = t VAL [S=0, T=49, m=0, s=0, t1={3:0}, t2={5:0}, t=49] [L86] CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[1U],IdentifierExpression[s]]]] VAL [S=0, T=49, m=0, s=0, t1={3:0}, t2={5:0}, t=49] - UnprovableResult [Line: 41]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 61]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 75]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 95]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 182 locations, 101 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.8s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 727 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 480 mSDsluCounter, 139 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 61 mSDsCounter, 107 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1037 IncrementalHoareTripleChecker+Invalid, 1144 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 107 mSolverCounterUnsat, 78 mSDtfsCounter, 1037 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=243occurred in iteration=6, InterpolantAutomatonStates: 26, 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, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 565 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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! [2024-01-29 22:58:34,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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