./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-figure3.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-figure3.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-figure3.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-figure3.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 14:19:37,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 14:19:37,897 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 14:19:37,900 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 14:19:37,900 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 14:19:37,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 14:19:37,914 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 14:19:37,914 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 14:19:37,915 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 14:19:37,915 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 14:19:37,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 14:19:37,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 14:19:37,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 14:19:37,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 14:19:37,917 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 14:19:37,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 14:19:37,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 14:19:37,917 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 14:19:37,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 14:19:37,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 14:19:37,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 14:19:37,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 14:19:37,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 14:19:37,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 14:19:37,919 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 14:19:37,920 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 14:19:37,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 14:19:37,920 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 14:19:37,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 14:19:37,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 14:19:37,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 14:19:37,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 14:19:37,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:19:37,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 14:19:37,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 14:19:37,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 14:19:37,922 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 14:19:37,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 14:19:37,922 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 14:19:37,922 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 14:19:37,923 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 14:19:37,923 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 14:19:37,923 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 14:19:37,923 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 14:19:38,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 14:19:38,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 14:19:38,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 14:19:38,093 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 14:19:38,094 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 14:19:38,094 INFO L431 ainManager$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-figure3.wvr.yml/witness.yml [2024-01-29 14:19:38,218 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 14:19:38,219 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 14:19:38,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-figure3.wvr.c [2024-01-29 14:19:39,286 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 14:19:39,431 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 14:19:39,432 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure3.wvr.c [2024-01-29 14:19:39,437 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae62964ea/d1a175fd6bcc4713a920233007bd167d/FLAG455dd838b [2024-01-29 14:19:39,447 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae62964ea/d1a175fd6bcc4713a920233007bd167d [2024-01-29 14:19:39,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 14:19:39,449 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 14:19:39,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 14:19:39,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 14:19:39,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 14:19:39,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:19:38" (1/2) ... [2024-01-29 14:19:39,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a21bdff and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:19:39, skipping insertion in model container [2024-01-29 14:19:39,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:19:38" (1/2) ... [2024-01-29 14:19:39,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@34eacd55 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:19:39, skipping insertion in model container [2024-01-29 14:19:39,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:19:39" (2/2) ... [2024-01-29 14:19:39,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a21bdff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:39, skipping insertion in model container [2024-01-29 14:19:39,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:19:39" (2/2) ... [2024-01-29 14:19:39,456 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 14:19:39,471 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 14:19:39,472 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] c == 0U [2024-01-29 14:19:39,472 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (unsigned long )_argptr == 0UL [2024-01-29 14:19:39,472 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (long long )c + (long long )counter >= 0LL [2024-01-29 14:19:39,473 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] counter == 0U [2024-01-29 14:19:39,473 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (long long )c - (long long )counter >= 0LL [2024-01-29 14:19:39,473 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (0LL - (long long )c) - (long long )counter >= 0LL [2024-01-29 14:19:39,473 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (((((((((((i == 11U || i == 10U) || i == 9U) || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U) || i == 3U) || i == 2U) || i == 1U) || (0U == i && i == 0U)) || (12U <= i && i <= 4294967294U) [2024-01-29 14:19:39,473 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (0LL - (long long )c) + (long long )counter >= 0LL [2024-01-29 14:19:39,473 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-29 14:19:39,474 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (((((((((i == 9U || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U) || i == 3U) || i == 2U) || i == 1U) || (0U == i && i == 0U)) || (10U <= i && i <= 4294967294U) [2024-01-29 14:19:39,474 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (0LL - (long long )c) + (long long )counter >= 0LL [2024-01-29 14:19:39,474 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (long long )c - (long long )counter >= 0LL [2024-01-29 14:19:39,474 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (long long )c + (long long )counter >= 0LL [2024-01-29 14:19:39,474 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (0LL - (long long )c) - (long long )counter >= 0LL [2024-01-29 14:19:39,474 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] c == 0U [2024-01-29 14:19:39,474 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] counter == 0U [2024-01-29 14:19:39,475 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L56] (((((((((i == 9U || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U) || i == 3U) || i == 2U) || i == 1U) || (0U == i && i == 0U)) || 10U <= i [2024-01-29 14:19:39,475 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L56] (unsigned long )_argptr == 0UL [2024-01-29 14:19:39,475 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (((((((((((i == 11U || i == 10U) || i == 9U) || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U) || i == 3U) || i == 2U) || i == 1U) || (0U == i && i == 0U)) || (12U <= i && i <= 4294967294U) [2024-01-29 14:19:39,475 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-01-29 14:19:39,475 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] counter == 0U [2024-01-29 14:19:39,475 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-29 14:19:39,475 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] counter == 0U [2024-01-29 14:19:39,476 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (0LL - (long long )c) - (long long )counter >= 0LL [2024-01-29 14:19:39,476 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] c == 0U [2024-01-29 14:19:39,476 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (0LL - (long long )c) + (long long )counter >= 0LL [2024-01-29 14:19:39,476 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (long long )c - (long long )counter >= 0LL [2024-01-29 14:19:39,476 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] N == 0U [2024-01-29 14:19:39,476 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (long long )c + (long long )counter >= 0LL [2024-01-29 14:19:39,476 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-29 14:19:39,476 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (((((((((i == 9U || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U) || i == 3U) || i == 2U) || i == 1U) || (0U == i && i == 0U)) || (10U <= i && i <= 4294967294U) [2024-01-29 14:19:39,477 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] counter == 0U [2024-01-29 14:19:39,477 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-29 14:19:39,477 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-29 14:19:39,477 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (((((((((i == 9U || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U) || i == 3U) || i == 2U) || i == 1U) || (0U == i && i == 0U)) || (10U <= i && i <= 4294967294U) [2024-01-29 14:19:39,477 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-29 14:19:39,478 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (((((((((((i == 11U || i == 10U) || i == 9U) || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U) || i == 3U) || i == 2U) || i == 1U) || (0U == i && i == 0U)) || (12U <= i && i <= 4294967294U) [2024-01-29 14:19:39,478 INFO L98 nessWitnessExtractor]: Loop invariant at [L41-L45] (unsigned long )_argptr == 0UL [2024-01-29 14:19:39,478 INFO L98 nessWitnessExtractor]: Loop invariant at [L41-L45] (((((((((((i == 11U || i == 10U) || i == 9U) || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U) || i == 3U) || i == 2U) || i == 1U) || (0U == i && i == 0U)) || 12U <= i [2024-01-29 14:19:39,478 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (((((((((i == 9U || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U) || i == 3U) || i == 2U) || i == 1U) || (0U == i && i == 0U)) || (10U <= i && i <= 4294967294U) [2024-01-29 14:19:39,478 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-29 14:19:39,495 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 14:19:39,642 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-figure3.wvr.c[2147,2160] [2024-01-29 14:19:39,647 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:19:39,659 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 [2024-01-29 14:19:39,742 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-figure3.wvr.c[2147,2160] [2024-01-29 14:19:39,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:19:39,762 INFO L206 MainTranslator]: Completed translation [2024-01-29 14:19:39,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:39 WrapperNode [2024-01-29 14:19:39,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 14:19:39,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 14:19:39,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 14:19:39,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 14:19:39,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:39" (1/1) ... [2024-01-29 14:19:39,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:39" (1/1) ... [2024-01-29 14:19:39,795 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 103 [2024-01-29 14:19:39,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 14:19:39,796 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 14:19:39,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 14:19:39,796 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 14:19:39,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:39" (1/1) ... [2024-01-29 14:19:39,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:39" (1/1) ... [2024-01-29 14:19:39,806 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:39" (1/1) ... [2024-01-29 14:19:39,817 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 14:19:39,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:39" (1/1) ... [2024-01-29 14:19:39,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:39" (1/1) ... [2024-01-29 14:19:39,825 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:39" (1/1) ... [2024-01-29 14:19:39,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:39" (1/1) ... [2024-01-29 14:19:39,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:39" (1/1) ... [2024-01-29 14:19:39,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:39" (1/1) ... [2024-01-29 14:19:39,831 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 14:19:39,832 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 14:19:39,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 14:19:39,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 14:19:39,832 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:39" (1/1) ... [2024-01-29 14:19:39,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:19:39,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 14:19:39,863 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 14:19:39,882 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 14:19:39,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 14:19:39,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 14:19:39,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 14:19:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 14:19:39,900 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 14:19:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 14:19:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 14:19:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 14:19:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 14:19:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 14:19:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 14:19:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 14:19:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-29 14:19:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-29 14:19:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 14:19:39,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 14:19:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 14:19:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 14:19:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 14:19:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 14:19:39,903 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 14:19:39,984 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 14:19:39,986 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 14:19:40,399 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 14:19:40,400 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 14:19:40,572 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 14:19:40,572 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-01-29 14:19:40,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:19:40 BoogieIcfgContainer [2024-01-29 14:19:40,573 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 14:19:40,574 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 14:19:40,574 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 14:19:40,577 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 14:19:40,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:19:38" (1/4) ... [2024-01-29 14:19:40,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121b47ea and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:19:40, skipping insertion in model container [2024-01-29 14:19:40,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 02:19:39" (2/4) ... [2024-01-29 14:19:40,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121b47ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:19:40, skipping insertion in model container [2024-01-29 14:19:40,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:39" (3/4) ... [2024-01-29 14:19:40,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121b47ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:19:40, skipping insertion in model container [2024-01-29 14:19:40,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:19:40" (4/4) ... [2024-01-29 14:19:40,579 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure3.wvr.c [2024-01-29 14:19:40,593 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 14:19:40,594 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2024-01-29 14:19:40,594 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 14:19:40,676 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-29 14:19:40,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 102 places, 97 transitions, 208 flow [2024-01-29 14:19:40,754 INFO L124 PetriNetUnfolderBase]: 2/95 cut-off events. [2024-01-29 14:19:40,754 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-29 14:19:40,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 95 events. 2/95 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 244 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2024-01-29 14:19:40,759 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 97 transitions, 208 flow [2024-01-29 14:19:40,762 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 94 transitions, 200 flow [2024-01-29 14:19:40,773 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 14:19:40,780 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;@48d10659, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 14:19:40,780 INFO L358 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2024-01-29 14:19:40,782 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 14:19:40,782 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 14:19:40,782 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:19:40,782 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:19:40,783 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 14:19:40,783 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 75 more)] === [2024-01-29 14:19:40,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:19:40,791 INFO L85 PathProgramCache]: Analyzing trace with hash 14079, now seen corresponding path program 1 times [2024-01-29 14:19:40,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:19:40,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320258270] [2024-01-29 14:19:40,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:19:40,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:19:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:19:40,988 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 14:19:40,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:19:40,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320258270] [2024-01-29 14:19:40,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320258270] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:19:40,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:19:40,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:19:40,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233039241] [2024-01-29 14:19:40,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:19:40,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-29 14:19:41,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:19:41,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-29 14:19:41,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-29 14:19:41,023 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 97 [2024-01-29 14:19:41,025 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 94 transitions, 200 flow. Second operand has 2 states, 2 states have (on average 52.0) internal successors, (104), 2 states have internal predecessors, (104), 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 14:19:41,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:19:41,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 97 [2024-01-29 14:19:41,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:19:41,202 INFO L124 PetriNetUnfolderBase]: 380/963 cut-off events. [2024-01-29 14:19:41,203 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-01-29 14:19:41,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1564 conditions, 963 events. 380/963 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 6396 event pairs, 237 based on Foata normal form. 81/687 useless extension candidates. Maximal degree in co-relation 1416. Up to 567 conditions per place. [2024-01-29 14:19:41,214 INFO L140 encePairwiseOnDemand]: 81/97 looper letters, 29 selfloop transitions, 0 changer transitions 0/78 dead transitions. [2024-01-29 14:19:41,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 78 transitions, 226 flow [2024-01-29 14:19:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-29 14:19:41,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-01-29 14:19:41,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 147 transitions. [2024-01-29 14:19:41,226 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7577319587628866 [2024-01-29 14:19:41,228 INFO L175 Difference]: Start difference. First operand has 99 places, 94 transitions, 200 flow. Second operand 2 states and 147 transitions. [2024-01-29 14:19:41,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 78 transitions, 226 flow [2024-01-29 14:19:41,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 78 transitions, 218 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-29 14:19:41,237 INFO L231 Difference]: Finished difference. Result has 80 places, 78 transitions, 160 flow [2024-01-29 14:19:41,238 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=160, PETRI_PLACES=80, PETRI_TRANSITIONS=78} [2024-01-29 14:19:41,241 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -19 predicate places. [2024-01-29 14:19:41,241 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 78 transitions, 160 flow [2024-01-29 14:19:41,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 52.0) internal successors, (104), 2 states have internal predecessors, (104), 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 14:19:41,242 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:19:41,243 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-29 14:19:41,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 14:19:41,245 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 75 more)] === [2024-01-29 14:19:41,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:19:41,246 INFO L85 PathProgramCache]: Analyzing trace with hash 436881, now seen corresponding path program 1 times [2024-01-29 14:19:41,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:19:41,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874775402] [2024-01-29 14:19:41,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:19:41,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:19:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:19:41,343 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 14:19:41,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:19:41,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874775402] [2024-01-29 14:19:41,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874775402] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:19:41,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:19:41,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:19:41,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167028582] [2024-01-29 14:19:41,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:19:41,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:19:41,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:19:41,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:19:41,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:19:41,355 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97 [2024-01-29 14:19:41,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 78 transitions, 160 flow. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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 14:19:41,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:19:41,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97 [2024-01-29 14:19:41,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:19:41,503 INFO L124 PetriNetUnfolderBase]: 363/891 cut-off events. [2024-01-29 14:19:41,503 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-29 14:19:41,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1495 conditions, 891 events. 363/891 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5921 event pairs, 294 based on Foata normal form. 1/573 useless extension candidates. Maximal degree in co-relation 1492. Up to 589 conditions per place. [2024-01-29 14:19:41,508 INFO L140 encePairwiseOnDemand]: 94/97 looper letters, 29 selfloop transitions, 2 changer transitions 0/77 dead transitions. [2024-01-29 14:19:41,508 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 77 transitions, 220 flow [2024-01-29 14:19:41,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:19:41,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:19:41,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 176 transitions. [2024-01-29 14:19:41,514 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6048109965635738 [2024-01-29 14:19:41,514 INFO L175 Difference]: Start difference. First operand has 80 places, 78 transitions, 160 flow. Second operand 3 states and 176 transitions. [2024-01-29 14:19:41,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 77 transitions, 220 flow [2024-01-29 14:19:41,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 77 transitions, 220 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-29 14:19:41,516 INFO L231 Difference]: Finished difference. Result has 81 places, 77 transitions, 162 flow [2024-01-29 14:19:41,517 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=162, PETRI_PLACES=81, PETRI_TRANSITIONS=77} [2024-01-29 14:19:41,517 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -18 predicate places. [2024-01-29 14:19:41,518 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 77 transitions, 162 flow [2024-01-29 14:19:41,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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 14:19:41,518 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:19:41,518 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-29 14:19:41,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 14:19:41,518 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 75 more)] === [2024-01-29 14:19:41,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:19:41,519 INFO L85 PathProgramCache]: Analyzing trace with hash 13543796, now seen corresponding path program 1 times [2024-01-29 14:19:41,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:19:41,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818966958] [2024-01-29 14:19:41,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:19:41,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:19:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:19:41,644 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 14:19:41,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:19:41,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818966958] [2024-01-29 14:19:41,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818966958] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:19:41,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:19:41,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:19:41,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303298327] [2024-01-29 14:19:41,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:19:41,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:19:41,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:19:41,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:19:41,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:19:41,674 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 97 [2024-01-29 14:19:41,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 77 transitions, 162 flow. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 14:19:41,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:19:41,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 97 [2024-01-29 14:19:41,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:19:41,802 INFO L124 PetriNetUnfolderBase]: 380/952 cut-off events. [2024-01-29 14:19:41,802 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-29 14:19:41,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1537 conditions, 952 events. 380/952 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 6400 event pairs, 237 based on Foata normal form. 9/611 useless extension candidates. Maximal degree in co-relation 1533. Up to 567 conditions per place. [2024-01-29 14:19:41,805 INFO L140 encePairwiseOnDemand]: 85/97 looper letters, 29 selfloop transitions, 2 changer transitions 0/67 dead transitions. [2024-01-29 14:19:41,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 67 transitions, 204 flow [2024-01-29 14:19:41,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:19:41,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:19:41,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 158 transitions. [2024-01-29 14:19:41,807 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5429553264604811 [2024-01-29 14:19:41,807 INFO L175 Difference]: Start difference. First operand has 81 places, 77 transitions, 162 flow. Second operand 3 states and 158 transitions. [2024-01-29 14:19:41,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 67 transitions, 204 flow [2024-01-29 14:19:41,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 67 transitions, 200 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:19:41,808 INFO L231 Difference]: Finished difference. Result has 71 places, 67 transitions, 142 flow [2024-01-29 14:19:41,809 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=71, PETRI_TRANSITIONS=67} [2024-01-29 14:19:41,809 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -28 predicate places. [2024-01-29 14:19:41,809 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 67 transitions, 142 flow [2024-01-29 14:19:41,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 14:19:41,810 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:19:41,810 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:19:41,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 14:19:41,810 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 75 more)] === [2024-01-29 14:19:41,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:19:41,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1918418602, now seen corresponding path program 1 times [2024-01-29 14:19:41,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:19:41,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122810880] [2024-01-29 14:19:41,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:19:41,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:19:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:19:41,839 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 14:19:41,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:19:41,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122810880] [2024-01-29 14:19:41,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122810880] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:19:41,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:19:41,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 14:19:41,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294167505] [2024-01-29 14:19:41,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:19:41,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:19:41,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:19:41,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:19:41,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:19:41,862 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 97 [2024-01-29 14:19:41,862 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 67 transitions, 142 flow. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 14:19:41,862 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:19:41,862 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 97 [2024-01-29 14:19:41,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:19:41,944 INFO L124 PetriNetUnfolderBase]: 225/621 cut-off events. [2024-01-29 14:19:41,945 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-29 14:19:41,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1008 conditions, 621 events. 225/621 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3936 event pairs, 159 based on Foata normal form. 1/419 useless extension candidates. Maximal degree in co-relation 1004. Up to 371 conditions per place. [2024-01-29 14:19:41,947 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 26 selfloop transitions, 1 changer transitions 1/57 dead transitions. [2024-01-29 14:19:41,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 57 transitions, 178 flow [2024-01-29 14:19:41,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:19:41,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:19:41,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2024-01-29 14:19:41,949 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5463917525773195 [2024-01-29 14:19:41,949 INFO L175 Difference]: Start difference. First operand has 71 places, 67 transitions, 142 flow. Second operand 3 states and 159 transitions. [2024-01-29 14:19:41,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 57 transitions, 178 flow [2024-01-29 14:19:41,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 57 transitions, 174 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:19:41,950 INFO L231 Difference]: Finished difference. Result has 62 places, 56 transitions, 117 flow [2024-01-29 14:19:41,950 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=117, PETRI_PLACES=62, PETRI_TRANSITIONS=56} [2024-01-29 14:19:41,951 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -37 predicate places. [2024-01-29 14:19:41,951 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 56 transitions, 117 flow [2024-01-29 14:19:41,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 14:19:41,952 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:19:41,952 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:19:41,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 14:19:41,952 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 75 more)] === [2024-01-29 14:19:41,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:19:41,952 INFO L85 PathProgramCache]: Analyzing trace with hash -71220682, now seen corresponding path program 1 times [2024-01-29 14:19:41,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:19:41,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974227242] [2024-01-29 14:19:41,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:19:41,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:19:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:19:42,051 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 14:19:42,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:19:42,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974227242] [2024-01-29 14:19:42,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974227242] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:19:42,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:19:42,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 14:19:42,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618548085] [2024-01-29 14:19:42,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:19:42,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:19:42,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:19:42,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:19:42,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:19:42,068 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 97 [2024-01-29 14:19:42,069 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 56 transitions, 117 flow. Second operand has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 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 14:19:42,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:19:42,069 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 97 [2024-01-29 14:19:42,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:19:42,158 INFO L124 PetriNetUnfolderBase]: 155/411 cut-off events. [2024-01-29 14:19:42,159 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:19:42,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 695 conditions, 411 events. 155/411 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2364 event pairs, 5 based on Foata normal form. 42/383 useless extension candidates. Maximal degree in co-relation 691. Up to 246 conditions per place. [2024-01-29 14:19:42,160 INFO L140 encePairwiseOnDemand]: 90/97 looper letters, 29 selfloop transitions, 2 changer transitions 0/59 dead transitions. [2024-01-29 14:19:42,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 59 transitions, 186 flow [2024-01-29 14:19:42,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 14:19:42,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 14:19:42,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 224 transitions. [2024-01-29 14:19:42,162 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5773195876288659 [2024-01-29 14:19:42,162 INFO L175 Difference]: Start difference. First operand has 62 places, 56 transitions, 117 flow. Second operand 4 states and 224 transitions. [2024-01-29 14:19:42,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 59 transitions, 186 flow [2024-01-29 14:19:42,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 59 transitions, 185 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 14:19:42,163 INFO L231 Difference]: Finished difference. Result has 58 places, 51 transitions, 110 flow [2024-01-29 14:19:42,163 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=110, PETRI_PLACES=58, PETRI_TRANSITIONS=51} [2024-01-29 14:19:42,164 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -41 predicate places. [2024-01-29 14:19:42,164 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 51 transitions, 110 flow [2024-01-29 14:19:42,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 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 14:19:42,164 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:19:42,164 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:19:42,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 14:19:42,165 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 75 more)] === [2024-01-29 14:19:42,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:19:42,165 INFO L85 PathProgramCache]: Analyzing trace with hash -20996703, now seen corresponding path program 1 times [2024-01-29 14:19:42,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:19:42,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112850537] [2024-01-29 14:19:42,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:19:42,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:19:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:19:42,296 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 14:19:42,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:19:42,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112850537] [2024-01-29 14:19:42,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112850537] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:19:42,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:19:42,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 14:19:42,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797643157] [2024-01-29 14:19:42,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:19:42,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:19:42,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:19:42,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:19:42,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:19:42,305 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97 [2024-01-29 14:19:42,305 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 51 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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 14:19:42,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:19:42,306 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97 [2024-01-29 14:19:42,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:19:42,369 INFO L124 PetriNetUnfolderBase]: 187/437 cut-off events. [2024-01-29 14:19:42,369 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-01-29 14:19:42,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 797 conditions, 437 events. 187/437 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2180 event pairs, 73 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 793. Up to 174 conditions per place. [2024-01-29 14:19:42,371 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 30 selfloop transitions, 4 changer transitions 0/59 dead transitions. [2024-01-29 14:19:42,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 59 transitions, 195 flow [2024-01-29 14:19:42,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:19:42,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:19:42,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 180 transitions. [2024-01-29 14:19:42,372 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6185567010309279 [2024-01-29 14:19:42,372 INFO L175 Difference]: Start difference. First operand has 58 places, 51 transitions, 110 flow. Second operand 3 states and 180 transitions. [2024-01-29 14:19:42,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 59 transitions, 195 flow [2024-01-29 14:19:42,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 59 transitions, 192 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:19:42,374 INFO L231 Difference]: Finished difference. Result has 58 places, 51 transitions, 127 flow [2024-01-29 14:19:42,374 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=127, PETRI_PLACES=58, PETRI_TRANSITIONS=51} [2024-01-29 14:19:42,375 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -41 predicate places. [2024-01-29 14:19:42,375 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 51 transitions, 127 flow [2024-01-29 14:19:42,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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 14:19:42,375 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:19:42,375 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:19:42,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-29 14:19:42,376 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 75 more)] === [2024-01-29 14:19:42,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:19:42,376 INFO L85 PathProgramCache]: Analyzing trace with hash -36880241, now seen corresponding path program 1 times [2024-01-29 14:19:42,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:19:42,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915170594] [2024-01-29 14:19:42,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:19:42,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:19:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:19:42,442 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 14:19:42,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:19:42,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915170594] [2024-01-29 14:19:42,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915170594] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:19:42,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:19:42,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 14:19:42,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653374538] [2024-01-29 14:19:42,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:19:42,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:19:42,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:19:42,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:19:42,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:19:42,452 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 97 [2024-01-29 14:19:42,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 51 transitions, 127 flow. Second operand has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 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 14:19:42,453 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:19:42,453 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 97 [2024-01-29 14:19:42,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:19:42,537 INFO L124 PetriNetUnfolderBase]: 137/369 cut-off events. [2024-01-29 14:19:42,538 INFO L125 PetriNetUnfolderBase]: For 118/125 co-relation queries the response was YES. [2024-01-29 14:19:42,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 739 conditions, 369 events. 137/369 cut-off events. For 118/125 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1827 event pairs, 29 based on Foata normal form. 32/364 useless extension candidates. Maximal degree in co-relation 734. Up to 172 conditions per place. [2024-01-29 14:19:42,540 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 37 selfloop transitions, 2 changer transitions 0/64 dead transitions. [2024-01-29 14:19:42,540 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 64 transitions, 262 flow [2024-01-29 14:19:42,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 14:19:42,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 14:19:42,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 228 transitions. [2024-01-29 14:19:42,541 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5876288659793815 [2024-01-29 14:19:42,541 INFO L175 Difference]: Start difference. First operand has 58 places, 51 transitions, 127 flow. Second operand 4 states and 228 transitions. [2024-01-29 14:19:42,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 64 transitions, 262 flow [2024-01-29 14:19:42,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 64 transitions, 242 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:19:42,543 INFO L231 Difference]: Finished difference. Result has 55 places, 47 transitions, 115 flow [2024-01-29 14:19:42,544 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=115, PETRI_PLACES=55, PETRI_TRANSITIONS=47} [2024-01-29 14:19:42,544 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -44 predicate places. [2024-01-29 14:19:42,544 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 47 transitions, 115 flow [2024-01-29 14:19:42,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 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 14:19:42,545 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:19:42,545 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:19:42,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-29 14:19:42,545 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 75 more)] === [2024-01-29 14:19:42,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:19:42,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1297021155, now seen corresponding path program 1 times [2024-01-29 14:19:42,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:19:42,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403324506] [2024-01-29 14:19:42,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:19:42,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:19:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:19:42,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 14:19:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:19:42,577 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 14:19:42,577 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 14:19:42,578 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 78 remaining) [2024-01-29 14:19:42,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 78 remaining) [2024-01-29 14:19:42,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 78 remaining) [2024-01-29 14:19:42,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 78 remaining) [2024-01-29 14:19:42,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 78 remaining) [2024-01-29 14:19:42,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 78 remaining) [2024-01-29 14:19:42,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 78 remaining) [2024-01-29 14:19:42,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 78 remaining) [2024-01-29 14:19:42,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 78 remaining) [2024-01-29 14:19:42,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 78 remaining) [2024-01-29 14:19:42,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 78 remaining) [2024-01-29 14:19:42,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 78 remaining) [2024-01-29 14:19:42,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 78 remaining) [2024-01-29 14:19:42,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 78 remaining) [2024-01-29 14:19:42,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 78 remaining) [2024-01-29 14:19:42,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 78 remaining) [2024-01-29 14:19:42,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 78 remaining) [2024-01-29 14:19:42,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 78 remaining) [2024-01-29 14:19:42,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 78 remaining) [2024-01-29 14:19:42,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 78 remaining) [2024-01-29 14:19:42,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 78 remaining) [2024-01-29 14:19:42,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 78 remaining) [2024-01-29 14:19:42,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 78 remaining) [2024-01-29 14:19:42,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 78 remaining) [2024-01-29 14:19:42,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 78 remaining) [2024-01-29 14:19:42,584 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 78 remaining) [2024-01-29 14:19:42,584 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 78 remaining) [2024-01-29 14:19:42,584 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 78 remaining) [2024-01-29 14:19:42,584 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 78 remaining) [2024-01-29 14:19:42,584 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 78 remaining) [2024-01-29 14:19:42,584 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 78 remaining) [2024-01-29 14:19:42,585 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 78 remaining) [2024-01-29 14:19:42,585 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 78 remaining) [2024-01-29 14:19:42,585 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 78 remaining) [2024-01-29 14:19:42,585 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 78 remaining) [2024-01-29 14:19:42,585 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 78 remaining) [2024-01-29 14:19:42,585 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 78 remaining) [2024-01-29 14:19:42,586 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 78 remaining) [2024-01-29 14:19:42,586 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 78 remaining) [2024-01-29 14:19:42,586 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 78 remaining) [2024-01-29 14:19:42,586 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 78 remaining) [2024-01-29 14:19:42,586 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 78 remaining) [2024-01-29 14:19:42,586 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 78 remaining) [2024-01-29 14:19:42,587 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 78 remaining) [2024-01-29 14:19:42,587 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 78 remaining) [2024-01-29 14:19:42,587 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 78 remaining) [2024-01-29 14:19:42,587 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (31 of 78 remaining) [2024-01-29 14:19:42,587 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 78 remaining) [2024-01-29 14:19:42,587 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 78 remaining) [2024-01-29 14:19:42,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 78 remaining) [2024-01-29 14:19:42,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 78 remaining) [2024-01-29 14:19:42,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 78 remaining) [2024-01-29 14:19:42,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 78 remaining) [2024-01-29 14:19:42,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 78 remaining) [2024-01-29 14:19:42,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 78 remaining) [2024-01-29 14:19:42,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 78 remaining) [2024-01-29 14:19:42,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 78 remaining) [2024-01-29 14:19:42,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 78 remaining) [2024-01-29 14:19:42,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 78 remaining) [2024-01-29 14:19:42,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 78 remaining) [2024-01-29 14:19:42,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 78 remaining) [2024-01-29 14:19:42,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 78 remaining) [2024-01-29 14:19:42,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 78 remaining) [2024-01-29 14:19:42,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 78 remaining) [2024-01-29 14:19:42,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 78 remaining) [2024-01-29 14:19:42,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 78 remaining) [2024-01-29 14:19:42,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 78 remaining) [2024-01-29 14:19:42,591 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 78 remaining) [2024-01-29 14:19:42,591 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 78 remaining) [2024-01-29 14:19:42,591 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 78 remaining) [2024-01-29 14:19:42,591 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 78 remaining) [2024-01-29 14:19:42,591 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 78 remaining) [2024-01-29 14:19:42,591 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 78 remaining) [2024-01-29 14:19:42,592 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 78 remaining) [2024-01-29 14:19:42,592 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 78 remaining) [2024-01-29 14:19:42,592 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 78 remaining) [2024-01-29 14:19:42,592 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 78 remaining) [2024-01-29 14:19:42,592 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 78 remaining) [2024-01-29 14:19:42,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-29 14:19:42,593 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:19:42,598 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 14:19:42,598 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 14:19:42,617 INFO L503 ceAbstractionStarter]: Automizer considered 45 witness invariants [2024-01-29 14:19:42,617 INFO L504 ceAbstractionStarter]: WitnessConsidered=45 [2024-01-29 14:19:42,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 02:19:42 BasicIcfg [2024-01-29 14:19:42,618 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 14:19:42,619 INFO L158 Benchmark]: Toolchain (without parser) took 3169.91ms. Allocated memory was 146.8MB in the beginning and 281.0MB in the end (delta: 134.2MB). Free memory was 110.3MB in the beginning and 217.5MB in the end (delta: -107.3MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2024-01-29 14:19:42,619 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:19:42,619 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 119.5MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:19:42,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.88ms. Allocated memory is still 146.8MB. Free memory was 110.3MB in the beginning and 92.5MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-01-29 14:19:42,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.54ms. Allocated memory is still 146.8MB. Free memory was 92.5MB in the beginning and 89.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-29 14:19:42,620 INFO L158 Benchmark]: Boogie Preprocessor took 35.18ms. Allocated memory is still 146.8MB. Free memory was 89.9MB in the beginning and 87.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 14:19:42,620 INFO L158 Benchmark]: RCFGBuilder took 741.24ms. Allocated memory is still 146.8MB. Free memory was 87.8MB in the beginning and 57.8MB in the end (delta: 30.0MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-01-29 14:19:42,620 INFO L158 Benchmark]: TraceAbstraction took 2044.22ms. Allocated memory was 146.8MB in the beginning and 281.0MB in the end (delta: 134.2MB). Free memory was 56.7MB in the beginning and 217.5MB in the end (delta: -160.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:19:42,621 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 0.15ms. Allocated memory is still 119.5MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 119.5MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.88ms. Allocated memory is still 146.8MB. Free memory was 110.3MB in the beginning and 92.5MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.54ms. Allocated memory is still 146.8MB. Free memory was 92.5MB in the beginning and 89.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.18ms. Allocated memory is still 146.8MB. Free memory was 89.9MB in the beginning and 87.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 741.24ms. Allocated memory is still 146.8MB. Free memory was 87.8MB in the beginning and 57.8MB in the end (delta: 30.0MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2044.22ms. Allocated memory was 146.8MB in the beginning and 281.0MB in the end (delta: 134.2MB). Free memory was 56.7MB in the beginning and 217.5MB in the end (delta: -160.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 43]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] 0 unsigned int N, counter, c; [L62] 0 pthread_t t1, t2; VAL [N=0, c=0, counter=0, t1={5:0}, t2={3:0}] [L64] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[c]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]]] VAL [N=0, c=0, counter=0, t1={5:0}, t2={3:0}] [L64] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]]] VAL [N=0, c=0, counter=0, t1={5:0}, t2={3:0}] [L64] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[c]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]]] VAL [N=0, c=0, counter=0, t1={5:0}, t2={3:0}] [L64] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]]] VAL [N=0, c=0, counter=0, t1={5:0}, t2={3:0}] [L64] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]]] VAL [N=0, c=0, counter=0, t1={5:0}, t2={3:0}] [L64] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]]] VAL [N=0, c=0, counter=0, t1={5:0}, t2={3:0}] [L64] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[counter],IntegerLiteral[0U]]]] [L64] 0 N = __VERIFIER_nondet_uint() [L65] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[counter],IntegerLiteral[0U]]]] VAL [c=0, counter=0, t1={5:0}, t2={3:0}] [L65] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]]] VAL [c=0, counter=0, t1={5:0}, t2={3:0}] [L65] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]]] VAL [c=0, counter=0, t1={5:0}, t2={3:0}] [L65] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[c]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]]] VAL [c=0, counter=0, t1={5:0}, t2={3:0}] [L65] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[c]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]]] VAL [c=0, counter=0, t1={5:0}, t2={3:0}] [L65] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[counter]]],IntegerLiteral[0LL]]]] [L65] 0 c = __VERIFIER_nondet_uint() [L67] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[counter],IntegerLiteral[0U]]]] [L67] CALL 0 assume_abort_if_not(c > 0) [L35] COND FALSE 0 !(!cond) [L67] RET 0 assume_abort_if_not(c > 0) [L70] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[counter],IntegerLiteral[0U]]]] [L70] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [_argptr={0:0}, c=1, counter=0, t1={5:0}, t2={3:0}] [L41] 1 unsigned int i=0; VAL [_argptr={0:0}, _argptr={0:0}, c=1, counter=0, i=0] [L41] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[_argptr]],IntegerLiteral[0UL]]]] VAL [_argptr={0:0}, _argptr={0:0}, c=1, counter=0, i=0] [L41] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[11U]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[10U]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[9U]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[8U]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[7U]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[6U]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[5U]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[4U]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[3U]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[2U]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[1U]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0U],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0U]]]],BinaryExpression[COMPLEQ,IntegerLiteral[12U],IdentifierExpression[i]]]]] VAL [_argptr={0:0}, _argptr={0:0}, c=1, counter=0, i=0] [L41] COND TRUE 1 i