./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 ab2e0ac4 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-ab2e0ac-m [2024-01-29 14:19:24,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 14:19:24,457 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 14:19:24,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 14:19:24,461 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 14:19:24,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 14:19:24,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 14:19:24,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 14:19:24,493 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 14:19:24,494 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 14:19:24,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 14:19:24,494 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 14:19:24,494 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 14:19:24,495 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 14:19:24,495 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 14:19:24,495 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 14:19:24,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 14:19:24,496 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 14:19:24,496 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 14:19:24,496 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 14:19:24,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 14:19:24,497 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 14:19:24,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 14:19:24,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 14:19:24,498 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 14:19:24,498 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 14:19:24,498 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 14:19:24,498 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 14:19:24,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 14:19:24,501 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 14:19:24,502 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 14:19:24,502 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 14:19:24,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:19:24,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 14:19:24,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 14:19:24,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 14:19:24,503 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 14:19:24,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 14:19:24,503 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 14:19:24,503 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 14:19:24,504 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 14:19:24,504 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 14:19:24,504 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 14:19:24,505 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 14:19:24,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 14:19:24,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 14:19:24,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 14:19:24,773 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 14:19:24,775 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 14:19:24,776 INFO L431 ainManager$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 14:19:24,899 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 14:19:24,899 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 14:19:24,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2024-01-29 14:19:25,897 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 14:19:26,147 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 14:19:26,148 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2024-01-29 14:19:26,155 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f17472443/c629ff830c56438685621de6544a8b0d/FLAGa395c485f [2024-01-29 14:19:26,167 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f17472443/c629ff830c56438685621de6544a8b0d [2024-01-29 14:19:26,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 14:19:26,170 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 14:19:26,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 14:19:26,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 14:19:26,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 14:19:26,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:19:24" (1/2) ... [2024-01-29 14:19:26,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa5cd30 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:19:26, skipping insertion in model container [2024-01-29 14:19:26,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:19:24" (1/2) ... [2024-01-29 14:19:26,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74cf7f3e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:19:26, skipping insertion in model container [2024-01-29 14:19:26,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:19:26" (2/2) ... [2024-01-29 14:19:26,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa5cd30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:26, skipping insertion in model container [2024-01-29 14:19:26,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:19:26" (2/2) ... [2024-01-29 14:19:26,187 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 14:19:26,208 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 14:19:26,209 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,210 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,210 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,210 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,210 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] S == 0U [2024-01-29 14:19:26,211 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] t == 0U [2024-01-29 14:19:26,211 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] T == 0U [2024-01-29 14:19:26,211 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] m == 0U [2024-01-29 14:19:26,211 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,211 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] s == 0U [2024-01-29 14:19:26,214 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] m == 0U [2024-01-29 14:19:26,214 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 1U <= s [2024-01-29 14:19:26,214 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] s != 0U [2024-01-29 14:19:26,215 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] m == 0U [2024-01-29 14:19:26,215 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] m == 0U [2024-01-29 14:19:26,215 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] S == 0U [2024-01-29 14:19:26,215 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] T == 0U [2024-01-29 14:19:26,215 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,215 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] T == 0U [2024-01-29 14:19:26,215 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] m == 0U [2024-01-29 14:19:26,215 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] S == 0U [2024-01-29 14:19:26,216 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] t == 0U [2024-01-29 14:19:26,216 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] s <= 4294967294U [2024-01-29 14:19:26,216 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,216 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] s != 4294967295U [2024-01-29 14:19:26,216 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,217 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] s != 0U [2024-01-29 14:19:26,217 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] 1U <= s [2024-01-29 14:19:26,217 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,217 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,217 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,217 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,217 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] s == 0U [2024-01-29 14:19:26,217 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] s <= 4294967294U [2024-01-29 14:19:26,218 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,218 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L49] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,218 INFO L98 nessWitnessExtractor]: Loop invariant at [L44-L54] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,218 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,219 INFO L98 nessWitnessExtractor]: Loop invariant at [L63-L73] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,220 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,220 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,220 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,220 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] m == 0U [2024-01-29 14:19:26,220 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] T == 0U [2024-01-29 14:19:26,220 INFO L98 nessWitnessExtractor]: Location invariant before [L41-L41] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,220 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,221 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,221 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,221 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,221 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] t == 0U [2024-01-29 14:19:26,221 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] s == 0U [2024-01-29 14:19:26,222 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] m == 0U [2024-01-29 14:19:26,222 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] S == 0U [2024-01-29 14:19:26,222 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] T == 0U [2024-01-29 14:19:26,222 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,223 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-29 14:19:26,240 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 14:19:26,456 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 14:19:26,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:19:26,475 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 14:19:26,524 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 14:19:26,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:19:26,536 INFO L206 MainTranslator]: Completed translation [2024-01-29 14:19:26,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:26 WrapperNode [2024-01-29 14:19:26,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 14:19:26,537 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 14:19:26,537 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 14:19:26,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 14:19:26,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:26" (1/1) ... [2024-01-29 14:19:26,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:26" (1/1) ... [2024-01-29 14:19:26,561 INFO L138 Inliner]: procedures = 21, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-01-29 14:19:26,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 14:19:26,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 14:19:26,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 14:19:26,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 14:19:26,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:26" (1/1) ... [2024-01-29 14:19:26,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:26" (1/1) ... [2024-01-29 14:19:26,572 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:26" (1/1) ... [2024-01-29 14:19:26,589 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 14:19:26,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:26" (1/1) ... [2024-01-29 14:19:26,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:26" (1/1) ... [2024-01-29 14:19:26,596 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:26" (1/1) ... [2024-01-29 14:19:26,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:26" (1/1) ... [2024-01-29 14:19:26,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:26" (1/1) ... [2024-01-29 14:19:26,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:26" (1/1) ... [2024-01-29 14:19:26,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 14:19:26,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 14:19:26,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 14:19:26,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 14:19:26,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:26" (1/1) ... [2024-01-29 14:19:26,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:19:26,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 14:19:26,628 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 14:19:26,634 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 14:19:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 14:19:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 14:19:26,673 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 14:19:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 14:19:26,673 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 14:19:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 14:19:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 14:19:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 14:19:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 14:19:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 14:19:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 14:19:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 14:19:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-29 14:19:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-29 14:19:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 14:19:26,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 14:19:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 14:19:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 14:19:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 14:19:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 14:19:26,685 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 14:19:26,777 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 14:19:26,779 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 14:19:27,026 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 14:19:27,026 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 14:19:27,183 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 14:19:27,183 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-01-29 14:19:27,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:19:27 BoogieIcfgContainer [2024-01-29 14:19:27,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 14:19:27,188 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 14:19:27,189 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 14:19:27,191 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 14:19:27,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:19:24" (1/4) ... [2024-01-29 14:19:27,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f09997 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:19:27, skipping insertion in model container [2024-01-29 14:19:27,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 02:19:26" (2/4) ... [2024-01-29 14:19:27,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f09997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:19:27, skipping insertion in model container [2024-01-29 14:19:27,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:26" (3/4) ... [2024-01-29 14:19:27,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f09997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:19:27, skipping insertion in model container [2024-01-29 14:19:27,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:19:27" (4/4) ... [2024-01-29 14:19:27,196 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2024-01-29 14:19:27,210 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 14:19:27,210 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 59 error locations. [2024-01-29 14:19:27,210 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 14:19:27,290 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-29 14:19:27,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 115 transitions, 244 flow [2024-01-29 14:19:27,376 INFO L124 PetriNetUnfolderBase]: 2/113 cut-off events. [2024-01-29 14:19:27,377 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-29 14:19:27,380 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 14:19:27,381 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 115 transitions, 244 flow [2024-01-29 14:19:27,384 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 117 places, 112 transitions, 236 flow [2024-01-29 14:19:27,400 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 14:19:27,407 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;@4430056b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 14:19:27,407 INFO L358 AbstractCegarLoop]: Starting to check reachability of 101 error locations. [2024-01-29 14:19:27,410 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 14:19:27,410 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 14:19:27,410 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:19:27,410 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:19:27,411 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 14:19:27,411 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 14:19:27,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:19:27,415 INFO L85 PathProgramCache]: Analyzing trace with hash 15395, now seen corresponding path program 1 times [2024-01-29 14:19:27,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:19:27,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548812469] [2024-01-29 14:19:27,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:19:27,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:19:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:19:27,621 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 14:19:27,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:19:27,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548812469] [2024-01-29 14:19:27,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548812469] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:19:27,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:19:27,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:19:27,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278429561] [2024-01-29 14:19:27,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:19:27,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:19:27,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:19:27,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:19:27,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:19:27,693 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 115 [2024-01-29 14:19:27,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 112 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:19:27,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:19:27,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 115 [2024-01-29 14:19:27,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:19:27,969 INFO L124 PetriNetUnfolderBase]: 507/1133 cut-off events. [2024-01-29 14:19:27,970 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-01-29 14:19:27,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2064 conditions, 1133 events. 507/1133 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 8364 event pairs, 492 based on Foata normal form. 3/610 useless extension candidates. Maximal degree in co-relation 1915. Up to 880 conditions per place. [2024-01-29 14:19:27,981 INFO L140 encePairwiseOnDemand]: 95/115 looper letters, 37 selfloop transitions, 2 changer transitions 0/94 dead transitions. [2024-01-29 14:19:27,983 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 94 transitions, 278 flow [2024-01-29 14:19:27,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:19:27,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:19:27,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 228 transitions. [2024-01-29 14:19:28,000 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6608695652173913 [2024-01-29 14:19:28,001 INFO L175 Difference]: Start difference. First operand has 117 places, 112 transitions, 236 flow. Second operand 3 states and 228 transitions. [2024-01-29 14:19:28,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 94 transitions, 278 flow [2024-01-29 14:19:28,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 94 transitions, 270 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-29 14:19:28,011 INFO L231 Difference]: Finished difference. Result has 97 places, 94 transitions, 196 flow [2024-01-29 14:19:28,013 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=196, PETRI_PLACES=97, PETRI_TRANSITIONS=94} [2024-01-29 14:19:28,016 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -20 predicate places. [2024-01-29 14:19:28,016 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 94 transitions, 196 flow [2024-01-29 14:19:28,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:19:28,017 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:19:28,017 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-29 14:19:28,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 14:19:28,018 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 14:19:28,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:19:28,018 INFO L85 PathProgramCache]: Analyzing trace with hash 477804, now seen corresponding path program 1 times [2024-01-29 14:19:28,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:19:28,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696836152] [2024-01-29 14:19:28,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:19:28,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:19:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:19:28,107 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 14:19:28,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:19:28,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696836152] [2024-01-29 14:19:28,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696836152] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:19:28,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:19:28,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:19:28,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657275612] [2024-01-29 14:19:28,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:19:28,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:19:28,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:19:28,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:19:28,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:19:28,118 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 115 [2024-01-29 14:19:28,120 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 94 transitions, 196 flow. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:19:28,120 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:19:28,120 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 115 [2024-01-29 14:19:28,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:19:28,268 INFO L124 PetriNetUnfolderBase]: 507/1130 cut-off events. [2024-01-29 14:19:28,268 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-29 14:19:28,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2034 conditions, 1130 events. 507/1130 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 8365 event pairs, 492 based on Foata normal form. 3/610 useless extension candidates. Maximal degree in co-relation 2002. Up to 881 conditions per place. [2024-01-29 14:19:28,274 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 37 selfloop transitions, 2 changer transitions 0/91 dead transitions. [2024-01-29 14:19:28,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 91 transitions, 268 flow [2024-01-29 14:19:28,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:19:28,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:19:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 216 transitions. [2024-01-29 14:19:28,280 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6260869565217392 [2024-01-29 14:19:28,280 INFO L175 Difference]: Start difference. First operand has 97 places, 94 transitions, 196 flow. Second operand 3 states and 216 transitions. [2024-01-29 14:19:28,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 91 transitions, 268 flow [2024-01-29 14:19:28,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 91 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:19:28,282 INFO L231 Difference]: Finished difference. Result has 94 places, 91 transitions, 190 flow [2024-01-29 14:19:28,283 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=94, PETRI_TRANSITIONS=91} [2024-01-29 14:19:28,283 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -23 predicate places. [2024-01-29 14:19:28,284 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 91 transitions, 190 flow [2024-01-29 14:19:28,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:19:28,284 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:19:28,284 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-29 14:19:28,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 14:19:28,284 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 98 more)] === [2024-01-29 14:19:28,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:19:28,285 INFO L85 PathProgramCache]: Analyzing trace with hash 14812385, now seen corresponding path program 1 times [2024-01-29 14:19:28,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:19:28,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611164169] [2024-01-29 14:19:28,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:19:28,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:19:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:19:28,365 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 14:19:28,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:19:28,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611164169] [2024-01-29 14:19:28,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611164169] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:19:28,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:19:28,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:19:28,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531969994] [2024-01-29 14:19:28,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:19:28,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:19:28,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:19:28,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:19:28,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:19:28,377 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 115 [2024-01-29 14:19:28,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 91 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:19:28,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:19:28,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 115 [2024-01-29 14:19:28,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:19:28,548 INFO L124 PetriNetUnfolderBase]: 611/1420 cut-off events. [2024-01-29 14:19:28,548 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-29 14:19:28,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2508 conditions, 1420 events. 611/1420 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 10550 event pairs, 327 based on Foata normal form. 3/864 useless extension candidates. Maximal degree in co-relation 2483. Up to 598 conditions per place. [2024-01-29 14:19:28,556 INFO L140 encePairwiseOnDemand]: 106/115 looper letters, 57 selfloop transitions, 2 changer transitions 0/105 dead transitions. [2024-01-29 14:19:28,557 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 105 transitions, 339 flow [2024-01-29 14:19:28,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:19:28,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:19:28,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 231 transitions. [2024-01-29 14:19:28,558 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6695652173913044 [2024-01-29 14:19:28,558 INFO L175 Difference]: Start difference. First operand has 94 places, 91 transitions, 190 flow. Second operand 3 states and 231 transitions. [2024-01-29 14:19:28,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 105 transitions, 339 flow [2024-01-29 14:19:28,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 105 transitions, 335 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:19:28,562 INFO L231 Difference]: Finished difference. Result has 88 places, 85 transitions, 182 flow [2024-01-29 14:19:28,563 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=182, PETRI_PLACES=88, PETRI_TRANSITIONS=85} [2024-01-29 14:19:28,564 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -29 predicate places. [2024-01-29 14:19:28,564 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 85 transitions, 182 flow [2024-01-29 14:19:28,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:19:28,564 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:19:28,564 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-29 14:19:28,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 14:19:28,565 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 98 more)] === [2024-01-29 14:19:28,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:19:28,565 INFO L85 PathProgramCache]: Analyzing trace with hash 459184468, now seen corresponding path program 1 times [2024-01-29 14:19:28,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:19:28,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051547087] [2024-01-29 14:19:28,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:19:28,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:19:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:19:28,638 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 14:19:28,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:19:28,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051547087] [2024-01-29 14:19:28,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051547087] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:19:28,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:19:28,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:19:28,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832723686] [2024-01-29 14:19:28,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:19:28,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:19:28,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:19:28,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:19:28,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:19:28,647 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 115 [2024-01-29 14:19:28,647 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 85 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:19:28,647 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:19:28,648 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 115 [2024-01-29 14:19:28,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:19:28,794 INFO L124 PetriNetUnfolderBase]: 617/1325 cut-off events. [2024-01-29 14:19:28,794 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2024-01-29 14:19:28,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2487 conditions, 1325 events. 617/1325 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 9791 event pairs, 578 based on Foata normal form. 1/802 useless extension candidates. Maximal degree in co-relation 1368. Up to 1067 conditions per place. [2024-01-29 14:19:28,802 INFO L140 encePairwiseOnDemand]: 112/115 looper letters, 39 selfloop transitions, 2 changer transitions 0/84 dead transitions. [2024-01-29 14:19:28,802 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 84 transitions, 262 flow [2024-01-29 14:19:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:19:28,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:19:28,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 215 transitions. [2024-01-29 14:19:28,803 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6231884057971014 [2024-01-29 14:19:28,803 INFO L175 Difference]: Start difference. First operand has 88 places, 85 transitions, 182 flow. Second operand 3 states and 215 transitions. [2024-01-29 14:19:28,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 84 transitions, 262 flow [2024-01-29 14:19:28,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 84 transitions, 260 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 14:19:28,805 INFO L231 Difference]: Finished difference. Result has 88 places, 84 transitions, 182 flow [2024-01-29 14:19:28,805 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=182, PETRI_PLACES=88, PETRI_TRANSITIONS=84} [2024-01-29 14:19:28,806 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -29 predicate places. [2024-01-29 14:19:28,806 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 84 transitions, 182 flow [2024-01-29 14:19:28,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:19:28,806 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:19:28,806 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-29 14:19:28,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 14:19:28,806 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 98 more)] === [2024-01-29 14:19:28,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:19:28,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1349817138, now seen corresponding path program 1 times [2024-01-29 14:19:28,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:19:28,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384506357] [2024-01-29 14:19:28,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:19:28,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:19:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:19:28,832 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 14:19:28,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:19:28,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384506357] [2024-01-29 14:19:28,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384506357] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:19:28,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:19:28,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:19:28,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898863527] [2024-01-29 14:19:28,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:19:28,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:19:28,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:19:28,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:19:28,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:19:28,838 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 115 [2024-01-29 14:19:28,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 84 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:19:28,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:19:28,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 115 [2024-01-29 14:19:28,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:19:28,964 INFO L124 PetriNetUnfolderBase]: 617/1323 cut-off events. [2024-01-29 14:19:28,964 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-01-29 14:19:28,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2461 conditions, 1323 events. 617/1323 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 9765 event pairs, 578 based on Foata normal form. 2/800 useless extension candidates. Maximal degree in co-relation 2446. Up to 1064 conditions per place. [2024-01-29 14:19:28,972 INFO L140 encePairwiseOnDemand]: 111/115 looper letters, 37 selfloop transitions, 2 changer transitions 0/82 dead transitions. [2024-01-29 14:19:28,972 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 82 transitions, 256 flow [2024-01-29 14:19:28,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:19:28,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:19:28,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 217 transitions. [2024-01-29 14:19:28,973 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6289855072463768 [2024-01-29 14:19:28,973 INFO L175 Difference]: Start difference. First operand has 88 places, 84 transitions, 182 flow. Second operand 3 states and 217 transitions. [2024-01-29 14:19:28,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 82 transitions, 256 flow [2024-01-29 14:19:28,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 82 transitions, 252 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:19:28,975 INFO L231 Difference]: Finished difference. Result has 86 places, 82 transitions, 178 flow [2024-01-29 14:19:28,975 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=86, PETRI_TRANSITIONS=82} [2024-01-29 14:19:28,976 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -31 predicate places. [2024-01-29 14:19:28,976 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 82 transitions, 178 flow [2024-01-29 14:19:28,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:19:28,976 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:19:28,976 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:19:28,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 14:19:28,977 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 98 more)] === [2024-01-29 14:19:28,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:19:28,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1806141867, now seen corresponding path program 1 times [2024-01-29 14:19:28,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:19:28,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550885801] [2024-01-29 14:19:28,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:19:28,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:19:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:19:28,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 14:19:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:19:29,003 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 14:19:29,004 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 14:19:29,005 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 101 remaining) [2024-01-29 14:19:29,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 101 remaining) [2024-01-29 14:19:29,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 101 remaining) [2024-01-29 14:19:29,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 101 remaining) [2024-01-29 14:19:29,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 101 remaining) [2024-01-29 14:19:29,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 101 remaining) [2024-01-29 14:19:29,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 101 remaining) [2024-01-29 14:19:29,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 101 remaining) [2024-01-29 14:19:29,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 101 remaining) [2024-01-29 14:19:29,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 101 remaining) [2024-01-29 14:19:29,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 101 remaining) [2024-01-29 14:19:29,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 101 remaining) [2024-01-29 14:19:29,008 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 101 remaining) [2024-01-29 14:19:29,008 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 101 remaining) [2024-01-29 14:19:29,008 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 101 remaining) [2024-01-29 14:19:29,008 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 101 remaining) [2024-01-29 14:19:29,008 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 101 remaining) [2024-01-29 14:19:29,008 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 101 remaining) [2024-01-29 14:19:29,009 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 101 remaining) [2024-01-29 14:19:29,009 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 101 remaining) [2024-01-29 14:19:29,009 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 101 remaining) [2024-01-29 14:19:29,009 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 101 remaining) [2024-01-29 14:19:29,009 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 101 remaining) [2024-01-29 14:19:29,009 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 101 remaining) [2024-01-29 14:19:29,009 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 101 remaining) [2024-01-29 14:19:29,009 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 101 remaining) [2024-01-29 14:19:29,010 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 101 remaining) [2024-01-29 14:19:29,010 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 101 remaining) [2024-01-29 14:19:29,010 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 101 remaining) [2024-01-29 14:19:29,010 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 101 remaining) [2024-01-29 14:19:29,010 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 101 remaining) [2024-01-29 14:19:29,010 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 101 remaining) [2024-01-29 14:19:29,010 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 101 remaining) [2024-01-29 14:19:29,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 101 remaining) [2024-01-29 14:19:29,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 101 remaining) [2024-01-29 14:19:29,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 101 remaining) [2024-01-29 14:19:29,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 101 remaining) [2024-01-29 14:19:29,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 101 remaining) [2024-01-29 14:19:29,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 101 remaining) [2024-01-29 14:19:29,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 101 remaining) [2024-01-29 14:19:29,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 101 remaining) [2024-01-29 14:19:29,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 101 remaining) [2024-01-29 14:19:29,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 101 remaining) [2024-01-29 14:19:29,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 101 remaining) [2024-01-29 14:19:29,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 101 remaining) [2024-01-29 14:19:29,012 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 101 remaining) [2024-01-29 14:19:29,013 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 101 remaining) [2024-01-29 14:19:29,013 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 101 remaining) [2024-01-29 14:19:29,013 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 101 remaining) [2024-01-29 14:19:29,013 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 101 remaining) [2024-01-29 14:19:29,013 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 101 remaining) [2024-01-29 14:19:29,013 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 101 remaining) [2024-01-29 14:19:29,013 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 101 remaining) [2024-01-29 14:19:29,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 101 remaining) [2024-01-29 14:19:29,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 101 remaining) [2024-01-29 14:19:29,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 101 remaining) [2024-01-29 14:19:29,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 101 remaining) [2024-01-29 14:19:29,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 101 remaining) [2024-01-29 14:19:29,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (42 of 101 remaining) [2024-01-29 14:19:29,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 101 remaining) [2024-01-29 14:19:29,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 101 remaining) [2024-01-29 14:19:29,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 101 remaining) [2024-01-29 14:19:29,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 101 remaining) [2024-01-29 14:19:29,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 101 remaining) [2024-01-29 14:19:29,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 101 remaining) [2024-01-29 14:19:29,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 101 remaining) [2024-01-29 14:19:29,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 101 remaining) [2024-01-29 14:19:29,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 101 remaining) [2024-01-29 14:19:29,016 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 101 remaining) [2024-01-29 14:19:29,016 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 101 remaining) [2024-01-29 14:19:29,016 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 101 remaining) [2024-01-29 14:19:29,016 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 101 remaining) [2024-01-29 14:19:29,016 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 101 remaining) [2024-01-29 14:19:29,016 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 101 remaining) [2024-01-29 14:19:29,016 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 101 remaining) [2024-01-29 14:19:29,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 101 remaining) [2024-01-29 14:19:29,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 101 remaining) [2024-01-29 14:19:29,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 101 remaining) [2024-01-29 14:19:29,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 101 remaining) [2024-01-29 14:19:29,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 101 remaining) [2024-01-29 14:19:29,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 101 remaining) [2024-01-29 14:19:29,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 101 remaining) [2024-01-29 14:19:29,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 101 remaining) [2024-01-29 14:19:29,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 101 remaining) [2024-01-29 14:19:29,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 101 remaining) [2024-01-29 14:19:29,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 101 remaining) [2024-01-29 14:19:29,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 101 remaining) [2024-01-29 14:19:29,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 101 remaining) [2024-01-29 14:19:29,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 101 remaining) [2024-01-29 14:19:29,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 101 remaining) [2024-01-29 14:19:29,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 101 remaining) [2024-01-29 14:19:29,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 101 remaining) [2024-01-29 14:19:29,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 101 remaining) [2024-01-29 14:19:29,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 101 remaining) [2024-01-29 14:19:29,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 101 remaining) [2024-01-29 14:19:29,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 101 remaining) [2024-01-29 14:19:29,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 101 remaining) [2024-01-29 14:19:29,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 101 remaining) [2024-01-29 14:19:29,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 101 remaining) [2024-01-29 14:19:29,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 101 remaining) [2024-01-29 14:19:29,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 101 remaining) [2024-01-29 14:19:29,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-29 14:19:29,021 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-01-29 14:19:29,026 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 14:19:29,026 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 14:19:29,043 INFO L503 ceAbstractionStarter]: Automizer considered 58 witness invariants [2024-01-29 14:19:29,043 INFO L504 ceAbstractionStarter]: WitnessConsidered=58 [2024-01-29 14:19:29,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 02:19:29 BasicIcfg [2024-01-29 14:19:29,044 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 14:19:29,044 INFO L158 Benchmark]: Toolchain (without parser) took 2874.48ms. Allocated memory was 155.2MB in the beginning and 226.5MB in the end (delta: 71.3MB). Free memory was 80.3MB in the beginning and 63.5MB in the end (delta: 16.8MB). Peak memory consumption was 89.8MB. Max. memory is 16.1GB. [2024-01-29 14:19:29,045 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 119.5MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:19:29,045 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory was 125.7MB in the beginning and 125.5MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:19:29,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.83ms. Allocated memory is still 155.2MB. Free memory was 80.1MB in the beginning and 115.6MB in the end (delta: -35.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-01-29 14:19:29,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.41ms. Allocated memory is still 155.2MB. Free memory was 115.6MB in the beginning and 114.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 14:19:29,046 INFO L158 Benchmark]: Boogie Preprocessor took 40.39ms. Allocated memory is still 155.2MB. Free memory was 114.2MB in the beginning and 111.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 14:19:29,046 INFO L158 Benchmark]: RCFGBuilder took 581.48ms. Allocated memory is still 155.2MB. Free memory was 111.4MB in the beginning and 56.2MB in the end (delta: 55.2MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-01-29 14:19:29,046 INFO L158 Benchmark]: TraceAbstraction took 1855.62ms. Allocated memory was 155.2MB in the beginning and 226.5MB in the end (delta: 71.3MB). Free memory was 55.5MB in the beginning and 63.5MB in the end (delta: -8.0MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2024-01-29 14:19:29,047 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 119.5MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory was 125.7MB in the beginning and 125.5MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.83ms. Allocated memory is still 155.2MB. Free memory was 80.1MB in the beginning and 115.6MB in the end (delta: -35.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.41ms. Allocated memory is still 155.2MB. Free memory was 115.6MB in the beginning and 114.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.39ms. Allocated memory is still 155.2MB. Free memory was 114.2MB in the beginning and 111.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 581.48ms. Allocated memory is still 155.2MB. Free memory was 111.4MB in the beginning and 56.2MB in the end (delta: 55.2MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1855.62ms. Allocated memory was 155.2MB in the beginning and 226.5MB in the end (delta: 71.3MB). Free memory was 55.5MB in the beginning and 63.5MB in the end (delta: -8.0MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 86]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] unsigned int s, t, m, T, S; [L79] pthread_t t1, t2; VAL [S=0, T=0, m=0, s=0, t1={3:0}, t2={5:0}, t=0] [L81] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, s=0, t1={3:0}, t2={5:0}, t=0] [L81] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[S],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, s=0, t1={3:0}, t2={5:0}, t=0] [L81] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, s=0, t1={3:0}, t2={5:0}, t=0] [L81] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, s=0, t1={3:0}, t2={5:0}, t=0] [L81] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]]]] [L81] s = __VERIFIER_nondet_uint() [L82] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, t1={3:0}, t2={5:0}, t=0] [L82] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[S],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, t1={3:0}, t2={5:0}, t=0] [L82] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, t1={3:0}, t2={5:0}, t=0] [L82] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]]] [L82] t = __VERIFIER_nondet_uint() [L83] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, t1={3:0}, t2={5:0}] [L83] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[S],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, t1={3:0}, t2={5:0}] [L83] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]]] [L83] S = s VAL [S=0, T=0, m=0, s=0, t1={3:0}, t2={5:0}] [L84] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]]] VAL [S=0, T=0, m=0, s=0, t1={3:0}, t2={5:0}] [L84] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]]] [L84] T = t VAL [S=0, T=49, m=0, s=0, t1={3:0}, t2={5:0}, t=49] [L86] CodeAnnotStmt[Assertion[BinaryExpression[COMPNEQ,IdentifierExpression[s],IntegerLiteral[0U]]]] VAL [S=0, T=49, m=0, s=0, t1={3:0}, t2={5:0}, t=49] - UnprovableResult [Line: 41]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 61]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 75]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 95]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 182 locations, 101 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 64 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 392 IncrementalHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 9 mSDtfsCounter, 392 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=236occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-29 14:19:29,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE