./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/mult-flipped-dist.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/mult-flipped-dist.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cb09d658 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/mult-flipped-dist.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-cb09d65-m [2024-01-27 23:08:39,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 23:08:39,281 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 23:08:39,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 23:08:39,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 23:08:39,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 23:08:39,313 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 23:08:39,313 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 23:08:39,313 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 23:08:39,314 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 23:08:39,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 23:08:39,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 23:08:39,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 23:08:39,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 23:08:39,315 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 23:08:39,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 23:08:39,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 23:08:39,316 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 23:08:39,316 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 23:08:39,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 23:08:39,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 23:08:39,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 23:08:39,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 23:08:39,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 23:08:39,324 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 23:08:39,324 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 23:08:39,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 23:08:39,325 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 23:08:39,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 23:08:39,325 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 23:08:39,326 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 23:08:39,326 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 23:08:39,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:08:39,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 23:08:39,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 23:08:39,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 23:08:39,327 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 23:08:39,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 23:08:39,327 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 23:08:39,327 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 23:08:39,328 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 23:08:39,328 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 23:08:39,328 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 23:08:39,328 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 23:08:39,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 23:08:39,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 23:08:39,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 23:08:39,532 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 23:08:39,532 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 23:08:39,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c [2024-01-27 23:08:40,587 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 23:08:40,745 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 23:08:40,746 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c [2024-01-27 23:08:40,751 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/741e478db/371337c92e0c4056aa5cd034b83fb1ec/FLAG5ec206870 [2024-01-27 23:08:40,761 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/741e478db/371337c92e0c4056aa5cd034b83fb1ec [2024-01-27 23:08:40,763 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 23:08:40,764 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 23:08:40,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/mult-flipped-dist.wvr.yml/witness.yml [2024-01-27 23:08:40,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 23:08:40,891 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 23:08:40,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 23:08:40,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 23:08:40,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 23:08:40,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:08:40" (1/2) ... [2024-01-27 23:08:40,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c185d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:08:40, skipping insertion in model container [2024-01-27 23:08:40,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:08:40" (1/2) ... [2024-01-27 23:08:40,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c03728f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:08:40, skipping insertion in model container [2024-01-27 23:08:40,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:08:40" (2/2) ... [2024-01-27 23:08:40,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c185d10 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:40, skipping insertion in model container [2024-01-27 23:08:40,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:08:40" (2/2) ... [2024-01-27 23:08:40,899 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 23:08:40,910 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 23:08:40,911 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-27 23:08:40,911 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (((((((((((i == 2U || i == 1U) || (0U == i && i == 0U)) || (12U <= i && i <= 4294967294U)) || i == 11U) || i == 10U) || i == 9U) || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U) || i == 3U [2024-01-27 23:08:40,912 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] c == 0U [2024-01-27 23:08:40,912 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] x_2 == 0U [2024-01-27 23:08:40,912 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (unsigned long )_argptr == 0UL [2024-01-27 23:08:40,912 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] x_1 == 0U [2024-01-27 23:08:40,913 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] x_3 == 0U [2024-01-27 23:08:40,913 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] ((((((((((((12U <= i && i <= 4294967294U) || 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) [2024-01-27 23:08:40,913 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-27 23:08:40,913 INFO L98 nessWitnessExtractor]: Loop invariant at [L42-L44] (((((((((((12U <= i || 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) [2024-01-27 23:08:40,913 INFO L98 nessWitnessExtractor]: Loop invariant at [L42-L44] (unsigned long )_argptr == 0UL [2024-01-27 23:08:40,913 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] x_3 == 0U [2024-01-27 23:08:40,913 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] x_2 == 0U [2024-01-27 23:08:40,914 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] x_1 == 0U [2024-01-27 23:08:40,914 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] x_2 == 0U [2024-01-27 23:08:40,914 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] c == 0U [2024-01-27 23:08:40,914 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] b == 0U [2024-01-27 23:08:40,914 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] x_1 == 0U [2024-01-27 23:08:40,914 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] x_3 == 0U [2024-01-27 23:08:40,914 INFO L98 nessWitnessExtractor]: Loop invariant at [L50-L52] (unsigned long )_argptr == 0UL [2024-01-27 23:08:40,914 INFO L98 nessWitnessExtractor]: Loop invariant at [L50-L52] ((((((((((((0U == i && i == 0U) || 12U <= i) || i == 11U) || i == 10U) || i == 9U) || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U) || i == 3U) || i == 2U) || i == 1U [2024-01-27 23:08:40,915 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] x_1 == 0U [2024-01-27 23:08:40,915 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] x_2 == 0U [2024-01-27 23:08:40,915 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] a == 0U [2024-01-27 23:08:40,915 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] x_3 == 0U [2024-01-27 23:08:40,916 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (long long )a + (long long )c >= 0LL [2024-01-27 23:08:40,916 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (0LL - (long long )a) + (long long )c >= 0LL [2024-01-27 23:08:40,916 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (long long )a - (long long )c >= 0LL [2024-01-27 23:08:40,916 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (0LL - (long long )a) - (long long )c >= 0LL [2024-01-27 23:08:40,916 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] b == 0U [2024-01-27 23:08:40,916 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] c == 0U [2024-01-27 23:08:40,916 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L46] (unsigned long )_argptr == 0UL [2024-01-27 23:08:40,916 INFO L98 nessWitnessExtractor]: Loop invariant at [L58-L60] (unsigned long )_argptr == 0UL [2024-01-27 23:08:40,917 INFO L98 nessWitnessExtractor]: Loop invariant at [L58-L60] (((((((((((i == 3U || i == 2U) || i == 1U) || (0U == i && i == 0U)) || 12U <= i) || i == 11U) || i == 10U) || i == 9U) || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U [2024-01-27 23:08:40,917 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] x_3 == 0U [2024-01-27 23:08:40,917 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] x_2 == 0U [2024-01-27 23:08:40,917 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] c == 0U [2024-01-27 23:08:40,917 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] x_1 == 0U [2024-01-27 23:08:40,918 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] ((((((((((((0U == i && i == 0U) || (12U <= i && i <= 4294967294U)) || i == 11U) || i == 10U) || i == 9U) || i == 8U) || i == 7U) || i == 6U) || i == 5U) || i == 4U) || i == 3U) || i == 2U) || i == 1U [2024-01-27 23:08:40,918 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] (unsigned long )_argptr == 0UL [2024-01-27 23:08:40,918 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-27 23:08:40,937 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 23:08:41,064 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/mult-flipped-dist.wvr.c[2174,2187] [2024-01-27 23:08:41,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:08:41,075 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 [2024-01-27 23:08:41,139 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/mult-flipped-dist.wvr.c[2174,2187] [2024-01-27 23:08:41,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:08:41,154 INFO L206 MainTranslator]: Completed translation [2024-01-27 23:08:41,154 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:41 WrapperNode [2024-01-27 23:08:41,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 23:08:41,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 23:08:41,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 23:08:41,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 23:08:41,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:41" (1/1) ... [2024-01-27 23:08:41,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:41" (1/1) ... [2024-01-27 23:08:41,183 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 94 [2024-01-27 23:08:41,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 23:08:41,184 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 23:08:41,184 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 23:08:41,184 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 23:08:41,193 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:41" (1/1) ... [2024-01-27 23:08:41,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:41" (1/1) ... [2024-01-27 23:08:41,195 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:41" (1/1) ... [2024-01-27 23:08:41,219 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-01-27 23:08:41,219 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:41" (1/1) ... [2024-01-27 23:08:41,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:41" (1/1) ... [2024-01-27 23:08:41,231 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:41" (1/1) ... [2024-01-27 23:08:41,239 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:41" (1/1) ... [2024-01-27 23:08:41,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:41" (1/1) ... [2024-01-27 23:08:41,245 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:41" (1/1) ... [2024-01-27 23:08:41,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 23:08:41,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 23:08:41,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 23:08:41,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 23:08:41,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:41" (1/1) ... [2024-01-27 23:08:41,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:08:41,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 23:08:41,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-27 23:08:41,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-27 23:08:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 23:08:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 23:08:41,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 23:08:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 23:08:41,309 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 23:08:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-27 23:08:41,309 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-27 23:08:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 23:08:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 23:08:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 23:08:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 23:08:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 23:08:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 23:08:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 23:08:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 23:08:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 23:08:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 23:08:41,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 23:08:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 23:08:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 23:08:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 23:08:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 23:08:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 23:08:41,313 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 23:08:41,412 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 23:08:41,414 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 23:08:41,730 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 23:08:41,730 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 23:08:41,803 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 23:08:41,804 INFO L320 CfgBuilder]: Removed 3 assume(true) statements. [2024-01-27 23:08:41,805 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:08:41 BoogieIcfgContainer [2024-01-27 23:08:41,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 23:08:41,807 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 23:08:41,807 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 23:08:41,809 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 23:08:41,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 11:08:40" (1/4) ... [2024-01-27 23:08:41,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ad78bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:08:41, skipping insertion in model container [2024-01-27 23:08:41,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:08:40" (2/4) ... [2024-01-27 23:08:41,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ad78bb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 11:08:41, skipping insertion in model container [2024-01-27 23:08:41,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:41" (3/4) ... [2024-01-27 23:08:41,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ad78bb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 11:08:41, skipping insertion in model container [2024-01-27 23:08:41,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:08:41" (4/4) ... [2024-01-27 23:08:41,812 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-flipped-dist.wvr.c [2024-01-27 23:08:41,826 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 23:08:41,826 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2024-01-27 23:08:41,826 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 23:08:41,913 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-27 23:08:41,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 128 places, 121 transitions, 263 flow [2024-01-27 23:08:42,008 INFO L124 PetriNetUnfolderBase]: 3/118 cut-off events. [2024-01-27 23:08:42,008 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-27 23:08:42,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 118 events. 3/118 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 286 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. [2024-01-27 23:08:42,013 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 121 transitions, 263 flow [2024-01-27 23:08:42,018 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 117 transitions, 252 flow [2024-01-27 23:08:42,031 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 23:08:42,037 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;@65d98047, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 23:08:42,037 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2024-01-27 23:08:42,040 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 23:08:42,040 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 23:08:42,040 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 23:08:42,040 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:08:42,041 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 23:08:42,042 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-27 23:08:42,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:08:42,046 INFO L85 PathProgramCache]: Analyzing trace with hash 12313, now seen corresponding path program 1 times [2024-01-27 23:08:42,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:08:42,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987275130] [2024-01-27 23:08:42,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:08:42,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:08:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:08:42,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:08:42,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:08:42,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987275130] [2024-01-27 23:08:42,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987275130] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:08:42,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:08:42,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:08:42,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189142318] [2024-01-27 23:08:42,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:08:42,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:08:42,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:08:42,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:08:42,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:08:42,387 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 121 [2024-01-27 23:08:42,390 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 117 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:42,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:08:42,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 121 [2024-01-27 23:08:42,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:08:42,788 INFO L124 PetriNetUnfolderBase]: 1353/2521 cut-off events. [2024-01-27 23:08:42,788 INFO L125 PetriNetUnfolderBase]: For 102/102 co-relation queries the response was YES. [2024-01-27 23:08:42,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4667 conditions, 2521 events. 1353/2521 cut-off events. For 102/102 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 18574 event pairs, 1305 based on Foata normal form. 502/2346 useless extension candidates. Maximal degree in co-relation 4137. Up to 1996 conditions per place. [2024-01-27 23:08:42,850 INFO L140 encePairwiseOnDemand]: 108/121 looper letters, 31 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2024-01-27 23:08:42,850 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 106 transitions, 296 flow [2024-01-27 23:08:42,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:08:42,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:08:42,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 272 transitions. [2024-01-27 23:08:42,865 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7493112947658402 [2024-01-27 23:08:42,866 INFO L175 Difference]: Start difference. First operand has 124 places, 117 transitions, 252 flow. Second operand 3 states and 272 transitions. [2024-01-27 23:08:42,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 106 transitions, 296 flow [2024-01-27 23:08:42,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 106 transitions, 284 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-01-27 23:08:42,878 INFO L231 Difference]: Finished difference. Result has 109 places, 106 transitions, 222 flow [2024-01-27 23:08:42,879 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=109, PETRI_TRANSITIONS=106} [2024-01-27 23:08:42,882 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -15 predicate places. [2024-01-27 23:08:42,882 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 106 transitions, 222 flow [2024-01-27 23:08:42,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:42,882 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:08:42,883 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-27 23:08:42,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 23:08:42,883 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-27 23:08:42,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:08:42,883 INFO L85 PathProgramCache]: Analyzing trace with hash 382069, now seen corresponding path program 1 times [2024-01-27 23:08:42,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:08:42,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598034862] [2024-01-27 23:08:42,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:08:42,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:08:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:08:42,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:08:42,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:08:42,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598034862] [2024-01-27 23:08:42,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598034862] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:08:42,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:08:42,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:08:42,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747136793] [2024-01-27 23:08:42,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:08:42,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:08:42,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:08:42,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:08:42,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:08:42,933 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 121 [2024-01-27 23:08:42,934 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 106 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:42,934 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:08:42,934 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 121 [2024-01-27 23:08:42,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:08:43,077 INFO L124 PetriNetUnfolderBase]: 681/1390 cut-off events. [2024-01-27 23:08:43,078 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-01-27 23:08:43,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2455 conditions, 1390 events. 681/1390 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 9250 event pairs, 652 based on Foata normal form. 2/1156 useless extension candidates. Maximal degree in co-relation 2414. Up to 1028 conditions per place. [2024-01-27 23:08:43,111 INFO L140 encePairwiseOnDemand]: 117/121 looper letters, 27 selfloop transitions, 2 changer transitions 0/104 dead transitions. [2024-01-27 23:08:43,111 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 104 transitions, 276 flow [2024-01-27 23:08:43,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:08:43,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:08:43,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 277 transitions. [2024-01-27 23:08:43,113 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7630853994490359 [2024-01-27 23:08:43,114 INFO L175 Difference]: Start difference. First operand has 109 places, 106 transitions, 222 flow. Second operand 3 states and 277 transitions. [2024-01-27 23:08:43,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 104 transitions, 276 flow [2024-01-27 23:08:43,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 104 transitions, 272 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:08:43,116 INFO L231 Difference]: Finished difference. Result has 107 places, 104 transitions, 218 flow [2024-01-27 23:08:43,117 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=107, PETRI_TRANSITIONS=104} [2024-01-27 23:08:43,117 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -17 predicate places. [2024-01-27 23:08:43,117 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 104 transitions, 218 flow [2024-01-27 23:08:43,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:43,118 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:08:43,118 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-27 23:08:43,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 23:08:43,118 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-27 23:08:43,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:08:43,119 INFO L85 PathProgramCache]: Analyzing trace with hash 11844598, now seen corresponding path program 1 times [2024-01-27 23:08:43,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:08:43,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842058173] [2024-01-27 23:08:43,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:08:43,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:08:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:08:43,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:08:43,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:08:43,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842058173] [2024-01-27 23:08:43,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842058173] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:08:43,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:08:43,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:08:43,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243403076] [2024-01-27 23:08:43,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:08:43,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:08:43,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:08:43,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:08:43,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:08:43,254 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 121 [2024-01-27 23:08:43,255 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 104 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:43,255 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:08:43,256 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 121 [2024-01-27 23:08:43,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:08:43,469 INFO L124 PetriNetUnfolderBase]: 1353/2516 cut-off events. [2024-01-27 23:08:43,469 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-01-27 23:08:43,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4569 conditions, 2516 events. 1353/2516 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 18394 event pairs, 1305 based on Foata normal form. 3/1847 useless extension candidates. Maximal degree in co-relation 4539. Up to 1998 conditions per place. [2024-01-27 23:08:43,483 INFO L140 encePairwiseOnDemand]: 116/121 looper letters, 31 selfloop transitions, 2 changer transitions 0/101 dead transitions. [2024-01-27 23:08:43,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 101 transitions, 278 flow [2024-01-27 23:08:43,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:08:43,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:08:43,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 255 transitions. [2024-01-27 23:08:43,485 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7024793388429752 [2024-01-27 23:08:43,485 INFO L175 Difference]: Start difference. First operand has 107 places, 104 transitions, 218 flow. Second operand 3 states and 255 transitions. [2024-01-27 23:08:43,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 101 transitions, 278 flow [2024-01-27 23:08:43,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 101 transitions, 274 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:08:43,488 INFO L231 Difference]: Finished difference. Result has 104 places, 101 transitions, 212 flow [2024-01-27 23:08:43,488 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=104, PETRI_TRANSITIONS=101} [2024-01-27 23:08:43,489 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -20 predicate places. [2024-01-27 23:08:43,489 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 101 transitions, 212 flow [2024-01-27 23:08:43,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:43,490 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:08:43,490 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:08:43,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-27 23:08:43,490 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-27 23:08:43,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:08:43,490 INFO L85 PathProgramCache]: Analyzing trace with hash -533341259, now seen corresponding path program 1 times [2024-01-27 23:08:43,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:08:43,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866737636] [2024-01-27 23:08:43,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:08:43,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:08:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:08:43,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:08:43,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:08:43,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866737636] [2024-01-27 23:08:43,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866737636] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:08:43,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:08:43,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:08:43,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764074572] [2024-01-27 23:08:43,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:08:43,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:08:43,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:08:43,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:08:43,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:08:43,592 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 121 [2024-01-27 23:08:43,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 101 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:43,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:08:43,593 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 121 [2024-01-27 23:08:43,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:08:43,810 INFO L124 PetriNetUnfolderBase]: 1042/2356 cut-off events. [2024-01-27 23:08:43,810 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-01-27 23:08:43,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3958 conditions, 2356 events. 1042/2356 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 18063 event pairs, 547 based on Foata normal form. 48/2070 useless extension candidates. Maximal degree in co-relation 3938. Up to 842 conditions per place. [2024-01-27 23:08:43,825 INFO L140 encePairwiseOnDemand]: 114/121 looper letters, 46 selfloop transitions, 2 changer transitions 0/115 dead transitions. [2024-01-27 23:08:43,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 115 transitions, 339 flow [2024-01-27 23:08:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:08:43,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:08:43,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 290 transitions. [2024-01-27 23:08:43,827 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7988980716253443 [2024-01-27 23:08:43,827 INFO L175 Difference]: Start difference. First operand has 104 places, 101 transitions, 212 flow. Second operand 3 states and 290 transitions. [2024-01-27 23:08:43,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 115 transitions, 339 flow [2024-01-27 23:08:43,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 115 transitions, 335 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:08:43,829 INFO L231 Difference]: Finished difference. Result has 101 places, 98 transitions, 212 flow [2024-01-27 23:08:43,829 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=101, PETRI_TRANSITIONS=98} [2024-01-27 23:08:43,830 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -23 predicate places. [2024-01-27 23:08:43,830 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 98 transitions, 212 flow [2024-01-27 23:08:43,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:43,830 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:08:43,830 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:08:43,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-27 23:08:43,831 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-27 23:08:43,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:08:43,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1439826942, now seen corresponding path program 1 times [2024-01-27 23:08:43,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:08:43,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557203136] [2024-01-27 23:08:43,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:08:43,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:08:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:08:43,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:08:43,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:08:43,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557203136] [2024-01-27 23:08:43,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557203136] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:08:43,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:08:43,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:08:43,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550271232] [2024-01-27 23:08:43,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:08:43,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:08:43,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:08:43,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:08:43,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:08:43,902 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 121 [2024-01-27 23:08:43,902 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 98 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:43,903 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:08:43,903 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 121 [2024-01-27 23:08:43,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:08:44,141 INFO L124 PetriNetUnfolderBase]: 1660/3617 cut-off events. [2024-01-27 23:08:44,141 INFO L125 PetriNetUnfolderBase]: For 247/257 co-relation queries the response was YES. [2024-01-27 23:08:44,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6425 conditions, 3617 events. 1660/3617 cut-off events. For 247/257 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 28912 event pairs, 757 based on Foata normal form. 53/3187 useless extension candidates. Maximal degree in co-relation 3443. Up to 1249 conditions per place. [2024-01-27 23:08:44,161 INFO L140 encePairwiseOnDemand]: 114/121 looper letters, 50 selfloop transitions, 2 changer transitions 0/115 dead transitions. [2024-01-27 23:08:44,161 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 115 transitions, 359 flow [2024-01-27 23:08:44,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:08:44,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:08:44,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions. [2024-01-27 23:08:44,162 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8044077134986226 [2024-01-27 23:08:44,162 INFO L175 Difference]: Start difference. First operand has 101 places, 98 transitions, 212 flow. Second operand 3 states and 292 transitions. [2024-01-27 23:08:44,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 115 transitions, 359 flow [2024-01-27 23:08:44,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 115 transitions, 356 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 23:08:44,164 INFO L231 Difference]: Finished difference. Result has 99 places, 95 transitions, 214 flow [2024-01-27 23:08:44,164 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=99, PETRI_TRANSITIONS=95} [2024-01-27 23:08:44,164 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -25 predicate places. [2024-01-27 23:08:44,165 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 95 transitions, 214 flow [2024-01-27 23:08:44,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:44,165 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:08:44,165 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:08:44,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-27 23:08:44,165 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-27 23:08:44,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:08:44,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1684961814, now seen corresponding path program 1 times [2024-01-27 23:08:44,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:08:44,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674213175] [2024-01-27 23:08:44,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:08:44,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:08:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:08:44,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:08:44,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:08:44,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674213175] [2024-01-27 23:08:44,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674213175] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:08:44,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:08:44,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:08:44,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815323161] [2024-01-27 23:08:44,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:08:44,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:08:44,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:08:44,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:08:44,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:08:44,228 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 121 [2024-01-27 23:08:44,229 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 95 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:44,229 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:08:44,229 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 121 [2024-01-27 23:08:44,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:08:44,649 INFO L124 PetriNetUnfolderBase]: 2799/6183 cut-off events. [2024-01-27 23:08:44,650 INFO L125 PetriNetUnfolderBase]: For 733/762 co-relation queries the response was YES. [2024-01-27 23:08:44,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11273 conditions, 6183 events. 2799/6183 cut-off events. For 733/762 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 52537 event pairs, 1140 based on Foata normal form. 108/5502 useless extension candidates. Maximal degree in co-relation 6246. Up to 2059 conditions per place. [2024-01-27 23:08:44,683 INFO L140 encePairwiseOnDemand]: 114/121 looper letters, 54 selfloop transitions, 2 changer transitions 0/115 dead transitions. [2024-01-27 23:08:44,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 115 transitions, 380 flow [2024-01-27 23:08:44,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:08:44,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:08:44,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 294 transitions. [2024-01-27 23:08:44,684 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8099173553719008 [2024-01-27 23:08:44,684 INFO L175 Difference]: Start difference. First operand has 99 places, 95 transitions, 214 flow. Second operand 3 states and 294 transitions. [2024-01-27 23:08:44,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 115 transitions, 380 flow [2024-01-27 23:08:44,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 115 transitions, 377 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 23:08:44,687 INFO L231 Difference]: Finished difference. Result has 97 places, 92 transitions, 216 flow [2024-01-27 23:08:44,687 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=97, PETRI_TRANSITIONS=92} [2024-01-27 23:08:44,690 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -27 predicate places. [2024-01-27 23:08:44,690 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 92 transitions, 216 flow [2024-01-27 23:08:44,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:44,690 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:08:44,690 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, 1, 1, 1] [2024-01-27 23:08:44,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-27 23:08:44,690 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-27 23:08:44,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:08:44,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1747606348, now seen corresponding path program 1 times [2024-01-27 23:08:44,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:08:44,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102608520] [2024-01-27 23:08:44,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:08:44,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:08:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:08:44,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:08:44,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:08:44,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102608520] [2024-01-27 23:08:44,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102608520] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:08:44,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:08:44,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 23:08:44,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949674445] [2024-01-27 23:08:44,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:08:44,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 23:08:44,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:08:44,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 23:08:44,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 23:08:44,796 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 121 [2024-01-27 23:08:44,797 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 92 transitions, 216 flow. Second operand has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:44,797 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:08:44,797 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 121 [2024-01-27 23:08:44,797 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:08:45,253 INFO L124 PetriNetUnfolderBase]: 2434/6217 cut-off events. [2024-01-27 23:08:45,254 INFO L125 PetriNetUnfolderBase]: For 836/836 co-relation queries the response was YES. [2024-01-27 23:08:45,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11032 conditions, 6217 events. 2434/6217 cut-off events. For 836/836 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 57040 event pairs, 132 based on Foata normal form. 456/6311 useless extension candidates. Maximal degree in co-relation 6249. Up to 3224 conditions per place. [2024-01-27 23:08:45,323 INFO L140 encePairwiseOnDemand]: 115/121 looper letters, 45 selfloop transitions, 2 changer transitions 0/103 dead transitions. [2024-01-27 23:08:45,323 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 103 transitions, 342 flow [2024-01-27 23:08:45,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 23:08:45,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 23:08:45,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 366 transitions. [2024-01-27 23:08:45,326 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.756198347107438 [2024-01-27 23:08:45,326 INFO L175 Difference]: Start difference. First operand has 97 places, 92 transitions, 216 flow. Second operand 4 states and 366 transitions. [2024-01-27 23:08:45,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 103 transitions, 342 flow [2024-01-27 23:08:45,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 103 transitions, 340 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 23:08:45,328 INFO L231 Difference]: Finished difference. Result has 95 places, 88 transitions, 210 flow [2024-01-27 23:08:45,329 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=210, PETRI_PLACES=95, PETRI_TRANSITIONS=88} [2024-01-27 23:08:45,329 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -29 predicate places. [2024-01-27 23:08:45,329 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 88 transitions, 210 flow [2024-01-27 23:08:45,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:45,330 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:08:45,330 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, 1, 1, 1, 1] [2024-01-27 23:08:45,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-27 23:08:45,330 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-27 23:08:45,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:08:45,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1659287204, now seen corresponding path program 1 times [2024-01-27 23:08:45,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:08:45,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471735284] [2024-01-27 23:08:45,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:08:45,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:08:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:08:45,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:08:45,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:08:45,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471735284] [2024-01-27 23:08:45,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471735284] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:08:45,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:08:45,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 23:08:45,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137745610] [2024-01-27 23:08:45,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:08:45,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 23:08:45,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:08:45,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 23:08:45,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 23:08:45,431 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 121 [2024-01-27 23:08:45,431 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 88 transitions, 210 flow. Second operand has 4 states, 4 states have (on average 82.5) internal successors, (330), 4 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:45,431 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:08:45,431 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 121 [2024-01-27 23:08:45,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:08:45,874 INFO L124 PetriNetUnfolderBase]: 2548/5409 cut-off events. [2024-01-27 23:08:45,874 INFO L125 PetriNetUnfolderBase]: For 1087/1239 co-relation queries the response was YES. [2024-01-27 23:08:45,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10209 conditions, 5409 events. 2548/5409 cut-off events. For 1087/1239 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 44334 event pairs, 177 based on Foata normal form. 608/5797 useless extension candidates. Maximal degree in co-relation 9032. Up to 3324 conditions per place. [2024-01-27 23:08:45,910 INFO L140 encePairwiseOnDemand]: 115/121 looper letters, 50 selfloop transitions, 2 changer transitions 0/104 dead transitions. [2024-01-27 23:08:45,910 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 104 transitions, 364 flow [2024-01-27 23:08:45,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 23:08:45,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 23:08:45,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 370 transitions. [2024-01-27 23:08:45,912 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7644628099173554 [2024-01-27 23:08:45,912 INFO L175 Difference]: Start difference. First operand has 95 places, 88 transitions, 210 flow. Second operand 4 states and 370 transitions. [2024-01-27 23:08:45,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 104 transitions, 364 flow [2024-01-27 23:08:45,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 104 transitions, 359 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:08:45,914 INFO L231 Difference]: Finished difference. Result has 92 places, 84 transitions, 203 flow [2024-01-27 23:08:45,914 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=199, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=203, PETRI_PLACES=92, PETRI_TRANSITIONS=84} [2024-01-27 23:08:45,917 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -32 predicate places. [2024-01-27 23:08:45,919 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 84 transitions, 203 flow [2024-01-27 23:08:45,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.5) internal successors, (330), 4 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:45,920 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:08:45,920 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, 1, 1, 1, 1, 1] [2024-01-27 23:08:45,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-27 23:08:45,920 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-27 23:08:45,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:08:45,921 INFO L85 PathProgramCache]: Analyzing trace with hash 117502863, now seen corresponding path program 1 times [2024-01-27 23:08:45,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:08:45,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765261437] [2024-01-27 23:08:45,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:08:45,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:08:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:08:46,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:08:46,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:08:46,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765261437] [2024-01-27 23:08:46,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765261437] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:08:46,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:08:46,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 23:08:46,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320891986] [2024-01-27 23:08:46,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:08:46,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:08:46,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:08:46,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:08:46,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:08:46,150 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 121 [2024-01-27 23:08:46,150 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 84 transitions, 203 flow. Second operand has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:46,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:08:46,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 121 [2024-01-27 23:08:46,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:08:46,658 INFO L124 PetriNetUnfolderBase]: 3534/7311 cut-off events. [2024-01-27 23:08:46,658 INFO L125 PetriNetUnfolderBase]: For 1331/1331 co-relation queries the response was YES. [2024-01-27 23:08:46,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14169 conditions, 7311 events. 3534/7311 cut-off events. For 1331/1331 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 60122 event pairs, 1741 based on Foata normal form. 0/6491 useless extension candidates. Maximal degree in co-relation 9075. Up to 3057 conditions per place. [2024-01-27 23:08:46,689 INFO L140 encePairwiseOnDemand]: 116/121 looper letters, 46 selfloop transitions, 5 changer transitions 0/100 dead transitions. [2024-01-27 23:08:46,689 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 100 transitions, 351 flow [2024-01-27 23:08:46,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:08:46,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:08:46,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 290 transitions. [2024-01-27 23:08:46,690 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7988980716253443 [2024-01-27 23:08:46,690 INFO L175 Difference]: Start difference. First operand has 92 places, 84 transitions, 203 flow. Second operand 3 states and 290 transitions. [2024-01-27 23:08:46,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 100 transitions, 351 flow [2024-01-27 23:08:46,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 100 transitions, 345 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:08:46,693 INFO L231 Difference]: Finished difference. Result has 93 places, 85 transitions, 226 flow [2024-01-27 23:08:46,693 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=93, PETRI_TRANSITIONS=85} [2024-01-27 23:08:46,695 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -31 predicate places. [2024-01-27 23:08:46,695 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 85 transitions, 226 flow [2024-01-27 23:08:46,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:46,695 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:08:46,695 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, 1, 1, 1, 1, 1, 1] [2024-01-27 23:08:46,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-27 23:08:46,696 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-27 23:08:46,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:08:46,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1144439728, now seen corresponding path program 1 times [2024-01-27 23:08:46,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:08:46,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357349453] [2024-01-27 23:08:46,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:08:46,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:08:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:08:46,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:08:46,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:08:46,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357349453] [2024-01-27 23:08:46,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357349453] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:08:46,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:08:46,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 23:08:46,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208841600] [2024-01-27 23:08:46,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:08:46,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 23:08:46,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:08:46,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 23:08:46,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 23:08:46,816 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 121 [2024-01-27 23:08:46,817 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 85 transitions, 226 flow. Second operand has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:46,817 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:08:46,817 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 121 [2024-01-27 23:08:46,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:08:47,258 INFO L124 PetriNetUnfolderBase]: 2551/5448 cut-off events. [2024-01-27 23:08:47,258 INFO L125 PetriNetUnfolderBase]: For 3746/4134 co-relation queries the response was YES. [2024-01-27 23:08:47,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11459 conditions, 5448 events. 2551/5448 cut-off events. For 3746/4134 co-relation queries the response was YES. Maximal size of possible extension queue 265. Compared 43995 event pairs, 179 based on Foata normal form. 665/5662 useless extension candidates. Maximal degree in co-relation 10054. Up to 3046 conditions per place. [2024-01-27 23:08:47,279 INFO L140 encePairwiseOnDemand]: 115/121 looper letters, 58 selfloop transitions, 2 changer transitions 0/108 dead transitions. [2024-01-27 23:08:47,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 108 transitions, 450 flow [2024-01-27 23:08:47,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 23:08:47,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 23:08:47,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 374 transitions. [2024-01-27 23:08:47,281 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7727272727272727 [2024-01-27 23:08:47,281 INFO L175 Difference]: Start difference. First operand has 93 places, 85 transitions, 226 flow. Second operand 4 states and 374 transitions. [2024-01-27 23:08:47,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 108 transitions, 450 flow [2024-01-27 23:08:47,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 108 transitions, 424 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:08:47,283 INFO L231 Difference]: Finished difference. Result has 90 places, 81 transitions, 212 flow [2024-01-27 23:08:47,284 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=212, PETRI_PLACES=90, PETRI_TRANSITIONS=81} [2024-01-27 23:08:47,284 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -34 predicate places. [2024-01-27 23:08:47,284 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 81 transitions, 212 flow [2024-01-27 23:08:47,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:47,285 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:08:47,285 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:08:47,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-01-27 23:08:47,285 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-27 23:08:47,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:08:47,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1934044193, now seen corresponding path program 1 times [2024-01-27 23:08:47,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:08:47,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143567983] [2024-01-27 23:08:47,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:08:47,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:08:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:08:47,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:08:47,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:08:47,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143567983] [2024-01-27 23:08:47,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143567983] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:08:47,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:08:47,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 23:08:47,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847032912] [2024-01-27 23:08:47,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:08:47,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:08:47,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:08:47,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:08:47,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:08:47,414 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 121 [2024-01-27 23:08:47,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 81 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:47,415 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:08:47,415 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 121 [2024-01-27 23:08:47,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:08:47,846 INFO L124 PetriNetUnfolderBase]: 3326/6150 cut-off events. [2024-01-27 23:08:47,846 INFO L125 PetriNetUnfolderBase]: For 2684/3306 co-relation queries the response was YES. [2024-01-27 23:08:47,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13498 conditions, 6150 events. 3326/6150 cut-off events. For 2684/3306 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 44490 event pairs, 1511 based on Foata normal form. 414/5782 useless extension candidates. Maximal degree in co-relation 11928. Up to 3343 conditions per place. [2024-01-27 23:08:47,874 INFO L140 encePairwiseOnDemand]: 116/121 looper letters, 47 selfloop transitions, 5 changer transitions 0/98 dead transitions. [2024-01-27 23:08:47,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 98 transitions, 375 flow [2024-01-27 23:08:47,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:08:47,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:08:47,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions. [2024-01-27 23:08:47,875 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8044077134986226 [2024-01-27 23:08:47,875 INFO L175 Difference]: Start difference. First operand has 90 places, 81 transitions, 212 flow. Second operand 3 states and 292 transitions. [2024-01-27 23:08:47,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 98 transitions, 375 flow [2024-01-27 23:08:47,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 98 transitions, 369 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:08:47,878 INFO L231 Difference]: Finished difference. Result has 91 places, 82 transitions, 235 flow [2024-01-27 23:08:47,878 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=235, PETRI_PLACES=91, PETRI_TRANSITIONS=82} [2024-01-27 23:08:47,879 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -33 predicate places. [2024-01-27 23:08:47,879 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 82 transitions, 235 flow [2024-01-27 23:08:47,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:47,879 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:08:47,879 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:08:47,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-01-27 23:08:47,880 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-27 23:08:47,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:08:47,880 INFO L85 PathProgramCache]: Analyzing trace with hash -553029770, now seen corresponding path program 1 times [2024-01-27 23:08:47,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:08:47,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613575183] [2024-01-27 23:08:47,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:08:47,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:08:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:08:48,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:08:48,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:08:48,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613575183] [2024-01-27 23:08:48,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613575183] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:08:48,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:08:48,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 23:08:48,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052124091] [2024-01-27 23:08:48,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:08:48,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:08:48,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:08:48,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:08:48,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:08:48,038 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 121 [2024-01-27 23:08:48,039 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 82 transitions, 235 flow. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:48,039 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:08:48,039 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 121 [2024-01-27 23:08:48,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:08:48,556 INFO L124 PetriNetUnfolderBase]: 3960/6652 cut-off events. [2024-01-27 23:08:48,556 INFO L125 PetriNetUnfolderBase]: For 6825/7947 co-relation queries the response was YES. [2024-01-27 23:08:48,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17503 conditions, 6652 events. 3960/6652 cut-off events. For 6825/7947 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 45341 event pairs, 1741 based on Foata normal form. 279/6276 useless extension candidates. Maximal degree in co-relation 15550. Up to 3365 conditions per place. [2024-01-27 23:08:48,599 INFO L140 encePairwiseOnDemand]: 116/121 looper letters, 50 selfloop transitions, 5 changer transitions 0/100 dead transitions. [2024-01-27 23:08:48,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 100 transitions, 421 flow [2024-01-27 23:08:48,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:08:48,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:08:48,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 290 transitions. [2024-01-27 23:08:48,601 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7988980716253443 [2024-01-27 23:08:48,601 INFO L175 Difference]: Start difference. First operand has 91 places, 82 transitions, 235 flow. Second operand 3 states and 290 transitions. [2024-01-27 23:08:48,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 100 transitions, 421 flow [2024-01-27 23:08:48,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 100 transitions, 403 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:08:48,606 INFO L231 Difference]: Finished difference. Result has 92 places, 83 transitions, 251 flow [2024-01-27 23:08:48,606 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=251, PETRI_PLACES=92, PETRI_TRANSITIONS=83} [2024-01-27 23:08:48,607 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -32 predicate places. [2024-01-27 23:08:48,607 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 83 transitions, 251 flow [2024-01-27 23:08:48,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:08:48,607 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:08:48,607 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:08:48,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-01-27 23:08:48,608 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-27 23:08:48,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:08:48,608 INFO L85 PathProgramCache]: Analyzing trace with hash 302055414, now seen corresponding path program 1 times [2024-01-27 23:08:48,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:08:48,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743239061] [2024-01-27 23:08:48,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:08:48,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:08:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 23:08:48,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-27 23:08:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 23:08:48,656 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-27 23:08:48,656 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-27 23:08:48,657 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 76 remaining) [2024-01-27 23:08:48,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 76 remaining) [2024-01-27 23:08:48,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 76 remaining) [2024-01-27 23:08:48,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 76 remaining) [2024-01-27 23:08:48,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 76 remaining) [2024-01-27 23:08:48,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 76 remaining) [2024-01-27 23:08:48,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 76 remaining) [2024-01-27 23:08:48,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 76 remaining) [2024-01-27 23:08:48,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 76 remaining) [2024-01-27 23:08:48,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 76 remaining) [2024-01-27 23:08:48,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 76 remaining) [2024-01-27 23:08:48,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 76 remaining) [2024-01-27 23:08:48,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 76 remaining) [2024-01-27 23:08:48,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 76 remaining) [2024-01-27 23:08:48,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 76 remaining) [2024-01-27 23:08:48,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 76 remaining) [2024-01-27 23:08:48,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 76 remaining) [2024-01-27 23:08:48,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 76 remaining) [2024-01-27 23:08:48,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 76 remaining) [2024-01-27 23:08:48,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 76 remaining) [2024-01-27 23:08:48,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 76 remaining) [2024-01-27 23:08:48,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 76 remaining) [2024-01-27 23:08:48,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 76 remaining) [2024-01-27 23:08:48,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 76 remaining) [2024-01-27 23:08:48,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 76 remaining) [2024-01-27 23:08:48,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 76 remaining) [2024-01-27 23:08:48,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 76 remaining) [2024-01-27 23:08:48,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 76 remaining) [2024-01-27 23:08:48,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 76 remaining) [2024-01-27 23:08:48,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 76 remaining) [2024-01-27 23:08:48,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 76 remaining) [2024-01-27 23:08:48,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 76 remaining) [2024-01-27 23:08:48,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 76 remaining) [2024-01-27 23:08:48,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 76 remaining) [2024-01-27 23:08:48,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 76 remaining) [2024-01-27 23:08:48,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 76 remaining) [2024-01-27 23:08:48,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 76 remaining) [2024-01-27 23:08:48,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 76 remaining) [2024-01-27 23:08:48,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 76 remaining) [2024-01-27 23:08:48,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 76 remaining) [2024-01-27 23:08:48,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 76 remaining) [2024-01-27 23:08:48,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 76 remaining) [2024-01-27 23:08:48,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 76 remaining) [2024-01-27 23:08:48,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 76 remaining) [2024-01-27 23:08:48,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 76 remaining) [2024-01-27 23:08:48,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 76 remaining) [2024-01-27 23:08:48,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 76 remaining) [2024-01-27 23:08:48,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 76 remaining) [2024-01-27 23:08:48,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (27 of 76 remaining) [2024-01-27 23:08:48,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 76 remaining) [2024-01-27 23:08:48,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 76 remaining) [2024-01-27 23:08:48,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 76 remaining) [2024-01-27 23:08:48,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 76 remaining) [2024-01-27 23:08:48,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 76 remaining) [2024-01-27 23:08:48,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 76 remaining) [2024-01-27 23:08:48,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 76 remaining) [2024-01-27 23:08:48,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 76 remaining) [2024-01-27 23:08:48,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 76 remaining) [2024-01-27 23:08:48,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 76 remaining) [2024-01-27 23:08:48,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 76 remaining) [2024-01-27 23:08:48,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 76 remaining) [2024-01-27 23:08:48,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 76 remaining) [2024-01-27 23:08:48,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 76 remaining) [2024-01-27 23:08:48,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 76 remaining) [2024-01-27 23:08:48,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 76 remaining) [2024-01-27 23:08:48,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 76 remaining) [2024-01-27 23:08:48,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 76 remaining) [2024-01-27 23:08:48,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 76 remaining) [2024-01-27 23:08:48,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 76 remaining) [2024-01-27 23:08:48,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 76 remaining) [2024-01-27 23:08:48,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 76 remaining) [2024-01-27 23:08:48,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 76 remaining) [2024-01-27 23:08:48,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 76 remaining) [2024-01-27 23:08:48,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 76 remaining) [2024-01-27 23:08:48,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 76 remaining) [2024-01-27 23:08:48,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 76 remaining) [2024-01-27 23:08:48,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-01-27 23:08:48,670 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:08:48,675 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-27 23:08:48,675 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-27 23:08:48,712 INFO L503 ceAbstractionStarter]: Automizer considered 47 witness invariants [2024-01-27 23:08:48,712 INFO L504 ceAbstractionStarter]: WitnessConsidered=47 [2024-01-27 23:08:48,713 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 11:08:48 BasicIcfg [2024-01-27 23:08:48,714 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-27 23:08:48,714 INFO L158 Benchmark]: Toolchain (without parser) took 7823.36ms. Allocated memory was 148.9MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 120.1MB in the beginning and 580.9MB in the end (delta: -460.8MB). Peak memory consumption was 597.2MB. Max. memory is 16.1GB. [2024-01-27 23:08:48,714 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 23:08:48,714 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 148.9MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 23:08:48,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.94ms. Allocated memory is still 148.9MB. Free memory was 119.6MB in the beginning and 102.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-01-27 23:08:48,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.70ms. Allocated memory is still 148.9MB. Free memory was 102.3MB in the beginning and 100.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 23:08:48,715 INFO L158 Benchmark]: Boogie Preprocessor took 64.05ms. Allocated memory is still 148.9MB. Free memory was 100.2MB in the beginning and 97.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-27 23:08:48,715 INFO L158 Benchmark]: RCFGBuilder took 556.16ms. Allocated memory is still 148.9MB. Free memory was 97.6MB in the beginning and 56.2MB in the end (delta: 41.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-01-27 23:08:48,715 INFO L158 Benchmark]: TraceAbstraction took 6906.97ms. Allocated memory was 148.9MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 55.6MB in the beginning and 580.9MB in the end (delta: -525.3MB). Peak memory consumption was 532.2MB. Max. memory is 16.1GB. [2024-01-27 23:08:48,717 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 148.9MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.94ms. Allocated memory is still 148.9MB. Free memory was 119.6MB in the beginning and 102.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.70ms. Allocated memory is still 148.9MB. Free memory was 102.3MB in the beginning and 100.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.05ms. Allocated memory is still 148.9MB. Free memory was 100.2MB in the beginning and 97.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 556.16ms. Allocated memory is still 148.9MB. Free memory was 97.6MB in the beginning and 56.2MB in the end (delta: 41.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6906.97ms. Allocated memory was 148.9MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 55.6MB in the beginning and 580.9MB in the end (delta: -525.3MB). Peak memory consumption was 532.2MB. 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 x_1, x_2, x_3, a, b, c; [L66] 0 pthread_t t1, t2, t3; VAL [a=0, b=0, c=0, t1={6:0}, t2={5:0}, t3={3:0}, x_1=0, x_2=0, x_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]]] VAL [a=0, b=0, c=0, t1={6:0}, t2={5:0}, t3={3:0}, x_1=0, x_2=0, x_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[b],IntegerLiteral[0U]]]] VAL [a=0, b=0, c=0, t1={6:0}, t2={5:0}, t3={3:0}, x_1=0, x_2=0, x_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[a]]],CastExpression[ACSLType[long long],IdentifierExpression[c]]],IntegerLiteral[0LL]]]] VAL [a=0, b=0, c=0, t1={6:0}, t2={5:0}, t3={3:0}, x_1=0, x_2=0, x_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[a]],CastExpression[ACSLType[long long],IdentifierExpression[c]]],IntegerLiteral[0LL]]]] VAL [a=0, b=0, c=0, t1={6:0}, t2={5:0}, t3={3:0}, x_1=0, x_2=0, x_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[a]]],CastExpression[ACSLType[long long],IdentifierExpression[c]]],IntegerLiteral[0LL]]]] VAL [a=0, b=0, c=0, t1={6:0}, t2={5:0}, t3={3:0}, x_1=0, x_2=0, x_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[a]],CastExpression[ACSLType[long long],IdentifierExpression[c]]],IntegerLiteral[0LL]]]] VAL [a=0, b=0, c=0, t1={6:0}, t2={5:0}, t3={3:0}, x_1=0, x_2=0, x_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_3],IntegerLiteral[0U]]]] VAL [a=0, b=0, c=0, t1={6:0}, t2={5:0}, t3={3:0}, x_1=0, x_2=0, x_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[a],IntegerLiteral[0U]]]] VAL [a=0, b=0, c=0, t1={6:0}, t2={5:0}, t3={3:0}, x_1=0, x_2=0, x_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_2],IntegerLiteral[0U]]]] VAL [a=0, b=0, c=0, t1={6:0}, t2={5:0}, t3={3:0}, x_1=0, x_2=0, x_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_1],IntegerLiteral[0U]]]] [L69] 0 a = __VERIFIER_nondet_uint() [L70] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_3],IntegerLiteral[0U]]]] VAL [b=0, c=0, t1={6:0}, t2={5:0}, t3={3:0}, x_1=0, x_2=0, x_3=0] [L70] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_1],IntegerLiteral[0U]]]] VAL [b=0, c=0, t1={6:0}, t2={5:0}, t3={3:0}, x_1=0, x_2=0, x_3=0] [L70] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[b],IntegerLiteral[0U]]]] VAL [b=0, c=0, t1={6:0}, t2={5:0}, t3={3:0}, x_1=0, x_2=0, x_3=0] [L70] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]]] VAL [b=0, c=0, t1={6:0}, t2={5:0}, t3={3:0}, x_1=0, x_2=0, x_3=0] [L70] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_2],IntegerLiteral[0U]]]] [L70] 0 b = __VERIFIER_nondet_uint() [L71] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_1],IntegerLiteral[0U]]]] VAL [c=0, t1={6:0}, t2={5:0}, t3={3:0}, x_1=0, x_2=0, x_3=0] [L71] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]]] VAL [c=0, t1={6:0}, t2={5:0}, t3={3:0}, x_1=0, x_2=0, x_3=0] [L71] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_2],IntegerLiteral[0U]]]] VAL [c=0, t1={6:0}, t2={5:0}, t3={3:0}, x_1=0, x_2=0, x_3=0] [L71] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_3],IntegerLiteral[0U]]]] [L71] 0 c = __VERIFIER_nondet_uint() [L73] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_1],IntegerLiteral[0U]]]] VAL [t1={6:0}, t2={5:0}, t3={3:0}, x_1=0, x_2=0, x_3=0] [L73] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_2],IntegerLiteral[0U]]]] VAL [t1={6:0}, t2={5:0}, t3={3:0}, x_1=0, x_2=0, x_3=0] [L73] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_3],IntegerLiteral[0U]]]] [L73] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [_argptr={0:0}, t1={6:0}, t2={5:0}, t3={3:0}, x_1=0, x_2=0, x_3=0] [L42] 1 unsigned int i=0; VAL [_argptr={0:0}, _argptr={0:0}, i=0, x_1=0, x_2=0, x_3=0] [L42] 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[COMPLEQ,IntegerLiteral[12U],IdentifierExpression[i]],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]]]]]] VAL [_argptr={0:0}, _argptr={0:0}, i=0, x_1=0, x_2=0, x_3=0] [L42] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[_argptr]],IntegerLiteral[0UL]]]] VAL [_argptr={0:0}, _argptr={0:0}, i=0, x_1=0, x_2=0, x_3=0] [L42] COND TRUE 1 i