./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/mult-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-dist.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a340643f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/mult-dist.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/mult-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-a340643-m [2024-01-27 14:51:08,098 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 14:51:08,168 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 14:51:08,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 14:51:08,172 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 14:51:08,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 14:51:08,201 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 14:51:08,201 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 14:51:08,201 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 14:51:08,205 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 14:51:08,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 14:51:08,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 14:51:08,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 14:51:08,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 14:51:08,208 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 14:51:08,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 14:51:08,208 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 14:51:08,208 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 14:51:08,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 14:51:08,209 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 14:51:08,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 14:51:08,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 14:51:08,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 14:51:08,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 14:51:08,210 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 14:51:08,210 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 14:51:08,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 14:51:08,210 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 14:51:08,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 14:51:08,211 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 14:51:08,212 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 14:51:08,212 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 14:51:08,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:51:08,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 14:51:08,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 14:51:08,213 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 14:51:08,213 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 14:51:08,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 14:51:08,214 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 14:51:08,214 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 14:51:08,214 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 14:51:08,214 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 14:51:08,214 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 14:51:08,214 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 14:51:08,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 14:51:08,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 14:51:08,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 14:51:08,473 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 14:51:08,473 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 14:51:08,474 INFO L431 ainManager$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-dist.wvr.yml/witness.yml [2024-01-27 14:51:08,565 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 14:51:08,566 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 14:51:08,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/mult-dist.wvr.c [2024-01-27 14:51:09,688 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 14:51:09,817 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 14:51:09,818 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-dist.wvr.c [2024-01-27 14:51:09,823 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7feaf290f/214a7b587b5249a2b494069828f8e25c/FLAGf1b03e80c [2024-01-27 14:51:09,832 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7feaf290f/214a7b587b5249a2b494069828f8e25c [2024-01-27 14:51:09,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 14:51:09,833 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 14:51:09,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 14:51:09,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 14:51:09,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 14:51:09,838 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:51:08" (1/2) ... [2024-01-27 14:51:09,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73612f6a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:51:09, skipping insertion in model container [2024-01-27 14:51:09,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:51:08" (1/2) ... [2024-01-27 14:51:09,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@743bc0bd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:51:09, skipping insertion in model container [2024-01-27 14:51:09,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:51:09" (2/2) ... [2024-01-27 14:51:09,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73612f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:09, skipping insertion in model container [2024-01-27 14:51:09,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:51:09" (2/2) ... [2024-01-27 14:51:09,840 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 14:51:09,851 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 14:51:09,852 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] x_2 == 0U [2024-01-27 14:51:09,852 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] x_3 == 0U [2024-01-27 14:51:09,852 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] x_1 == 0U [2024-01-27 14:51:09,852 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] ((((((((((((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 14:51:09,853 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-27 14:51:09,853 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-27 14:51:09,853 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] x_1 == 0U [2024-01-27 14:51:09,853 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] x_3 == 0U [2024-01-27 14:51:09,853 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] x_2 == 0U [2024-01-27 14:51:09,853 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] c == 0U [2024-01-27 14:51:09,853 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] b == 0U [2024-01-27 14:51:09,853 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-27 14:51:09,854 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (((((((((((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 14:51:09,854 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-27 14:51:09,854 INFO L98 nessWitnessExtractor]: Loop invariant at [L49-L51] ((((((((((((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 14:51:09,854 INFO L98 nessWitnessExtractor]: Loop invariant at [L49-L51] (unsigned long )_argptr == 0UL [2024-01-27 14:51:09,854 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (0LL - (long long )a) + (long long )b >= 0LL [2024-01-27 14:51:09,854 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (long long )a - (long long )b >= 0LL [2024-01-27 14:51:09,854 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] x_3 == 0U [2024-01-27 14:51:09,854 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] x_2 == 0U [2024-01-27 14:51:09,855 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] b == 0U [2024-01-27 14:51:09,855 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (long long )a + (long long )b >= 0LL [2024-01-27 14:51:09,855 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] x_1 == 0U [2024-01-27 14:51:09,855 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] c == 0U [2024-01-27 14:51:09,855 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] a == 0U [2024-01-27 14:51:09,855 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (0LL - (long long )a) - (long long )b >= 0LL [2024-01-27 14:51:09,855 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-27 14:51:09,856 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] ((((((((((((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 14:51:09,856 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] x_1 == 0U [2024-01-27 14:51:09,856 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] x_3 == 0U [2024-01-27 14:51:09,856 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] x_2 == 0U [2024-01-27 14:51:09,856 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] c == 0U [2024-01-27 14:51:09,856 INFO L98 nessWitnessExtractor]: Loop invariant at [L41-L43] (((((((((((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 14:51:09,856 INFO L98 nessWitnessExtractor]: Loop invariant at [L41-L43] (unsigned long )_argptr == 0UL [2024-01-27 14:51:09,856 INFO L98 nessWitnessExtractor]: Location invariant after [L41-L43] x_1 == 0U [2024-01-27 14:51:09,857 INFO L98 nessWitnessExtractor]: Location invariant after [L41-L43] x_2 == 0U [2024-01-27 14:51:09,857 INFO L98 nessWitnessExtractor]: Location invariant after [L41-L43] c == 0U [2024-01-27 14:51:09,857 INFO L98 nessWitnessExtractor]: Location invariant after [L41-L43] x_3 == 0U [2024-01-27 14:51:09,857 INFO L98 nessWitnessExtractor]: Loop invariant at [L57-L59] (((((((((((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 14:51:09,857 INFO L98 nessWitnessExtractor]: Loop invariant at [L57-L59] (unsigned long )_argptr == 0UL [2024-01-27 14:51:09,857 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-27 14:51:09,871 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 14:51:10,000 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-dist.wvr.c[2155,2168] [2024-01-27 14:51:10,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:51:10,010 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 14:51:10,074 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-dist.wvr.c[2155,2168] [2024-01-27 14:51:10,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:51:10,105 INFO L206 MainTranslator]: Completed translation [2024-01-27 14:51:10,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:10 WrapperNode [2024-01-27 14:51:10,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 14:51:10,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 14:51:10,106 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 14:51:10,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 14:51:10,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:10" (1/1) ... [2024-01-27 14:51:10,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:10" (1/1) ... [2024-01-27 14:51:10,146 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 94 [2024-01-27 14:51:10,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 14:51:10,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 14:51:10,148 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 14:51:10,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 14:51:10,156 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:10" (1/1) ... [2024-01-27 14:51:10,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:10" (1/1) ... [2024-01-27 14:51:10,159 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:10" (1/1) ... [2024-01-27 14:51:10,175 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-01-27 14:51:10,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:10" (1/1) ... [2024-01-27 14:51:10,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:10" (1/1) ... [2024-01-27 14:51:10,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:10" (1/1) ... [2024-01-27 14:51:10,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:10" (1/1) ... [2024-01-27 14:51:10,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:10" (1/1) ... [2024-01-27 14:51:10,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:10" (1/1) ... [2024-01-27 14:51:10,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 14:51:10,213 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 14:51:10,213 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 14:51:10,213 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 14:51:10,214 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:10" (1/1) ... [2024-01-27 14:51:10,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:51:10,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 14:51:10,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-27 14:51:10,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-27 14:51:10,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 14:51:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 14:51:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 14:51:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 14:51:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 14:51:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-27 14:51:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-27 14:51:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 14:51:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 14:51:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 14:51:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 14:51:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 14:51:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 14:51:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 14:51:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 14:51:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 14:51:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 14:51:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 14:51:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 14:51:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 14:51:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 14:51:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 14:51:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 14:51:10,360 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 14:51:10,444 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 14:51:10,446 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 14:51:10,817 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 14:51:10,818 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 14:51:10,910 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 14:51:10,924 INFO L320 CfgBuilder]: Removed 3 assume(true) statements. [2024-01-27 14:51:10,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:51:10 BoogieIcfgContainer [2024-01-27 14:51:10,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 14:51:10,937 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 14:51:10,937 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 14:51:10,940 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 14:51:10,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:51:08" (1/4) ... [2024-01-27 14:51:10,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1596fa7e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:51:10, skipping insertion in model container [2024-01-27 14:51:10,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:51:09" (2/4) ... [2024-01-27 14:51:10,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1596fa7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:51:10, skipping insertion in model container [2024-01-27 14:51:10,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:10" (3/4) ... [2024-01-27 14:51:10,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1596fa7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:51:10, skipping insertion in model container [2024-01-27 14:51:10,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:51:10" (4/4) ... [2024-01-27 14:51:10,942 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-dist.wvr.c [2024-01-27 14:51:10,970 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 14:51:10,970 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2024-01-27 14:51:10,970 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 14:51:11,071 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-27 14:51:11,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 128 places, 121 transitions, 263 flow [2024-01-27 14:51:11,163 INFO L124 PetriNetUnfolderBase]: 3/118 cut-off events. [2024-01-27 14:51:11,164 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-27 14:51:11,168 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 10. Compared 282 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 14:51:11,168 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 121 transitions, 263 flow [2024-01-27 14:51:11,173 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 117 transitions, 252 flow [2024-01-27 14:51:11,185 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 14:51:11,191 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;@4b329f2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 14:51:11,192 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2024-01-27 14:51:11,195 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 14:51:11,195 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 14:51:11,195 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:51:11,195 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:11,196 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 14:51:11,197 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 14:51:11,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:11,201 INFO L85 PathProgramCache]: Analyzing trace with hash 12416, now seen corresponding path program 1 times [2024-01-27 14:51:11,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:11,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189781799] [2024-01-27 14:51:11,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:11,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:51:11,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:51:11,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:51:11,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189781799] [2024-01-27 14:51:11,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189781799] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:51:11,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:51:11,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:51:11,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455802392] [2024-01-27 14:51:11,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:51:11,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:51:11,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:51:11,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:51:11,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:51:11,540 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 121 [2024-01-27 14:51:11,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 117 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:51:11,545 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:51:11,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 121 [2024-01-27 14:51:11,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:51:11,897 INFO L124 PetriNetUnfolderBase]: 1192/2445 cut-off events. [2024-01-27 14:51:11,897 INFO L125 PetriNetUnfolderBase]: For 111/111 co-relation queries the response was YES. [2024-01-27 14:51:11,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4312 conditions, 2445 events. 1192/2445 cut-off events. For 111/111 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 18070 event pairs, 1125 based on Foata normal form. 541/2445 useless extension candidates. Maximal degree in co-relation 3782. Up to 1733 conditions per place. [2024-01-27 14:51:11,944 INFO L140 encePairwiseOnDemand]: 107/121 looper letters, 31 selfloop transitions, 2 changer transitions 0/105 dead transitions. [2024-01-27 14:51:11,945 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 105 transitions, 294 flow [2024-01-27 14:51:11,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:51:11,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:51:11,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 270 transitions. [2024-01-27 14:51:11,958 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.743801652892562 [2024-01-27 14:51:11,960 INFO L175 Difference]: Start difference. First operand has 124 places, 117 transitions, 252 flow. Second operand 3 states and 270 transitions. [2024-01-27 14:51:11,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 105 transitions, 294 flow [2024-01-27 14:51:11,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 105 transitions, 282 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-01-27 14:51:11,970 INFO L231 Difference]: Finished difference. Result has 108 places, 105 transitions, 220 flow [2024-01-27 14:51:11,971 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=108, PETRI_TRANSITIONS=105} [2024-01-27 14:51:11,974 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -16 predicate places. [2024-01-27 14:51:11,974 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 105 transitions, 220 flow [2024-01-27 14:51:11,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:51:11,976 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:11,977 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-27 14:51:11,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 14:51:11,980 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-27 14:51:11,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:11,981 INFO L85 PathProgramCache]: Analyzing trace with hash 11946413, now seen corresponding path program 1 times [2024-01-27 14:51:11,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:11,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138517617] [2024-01-27 14:51:11,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:11,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:51:12,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:51:12,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:51:12,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138517617] [2024-01-27 14:51:12,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138517617] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:51:12,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:51:12,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:51:12,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880970499] [2024-01-27 14:51:12,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:51:12,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:51:12,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:51:12,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:51:12,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:51:12,096 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 121 [2024-01-27 14:51:12,097 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 105 transitions, 220 flow. Second operand has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:51:12,097 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:51:12,097 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 121 [2024-01-27 14:51:12,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:51:12,325 INFO L124 PetriNetUnfolderBase]: 832/1860 cut-off events. [2024-01-27 14:51:12,325 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-01-27 14:51:12,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3118 conditions, 1860 events. 832/1860 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 14033 event pairs, 777 based on Foata normal form. 3/1588 useless extension candidates. Maximal degree in co-relation 3097. Up to 1214 conditions per place. [2024-01-27 14:51:12,337 INFO L140 encePairwiseOnDemand]: 116/121 looper letters, 28 selfloop transitions, 2 changer transitions 0/102 dead transitions. [2024-01-27 14:51:12,337 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 102 transitions, 274 flow [2024-01-27 14:51:12,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:51:12,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:51:12,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 273 transitions. [2024-01-27 14:51:12,339 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7520661157024794 [2024-01-27 14:51:12,339 INFO L175 Difference]: Start difference. First operand has 108 places, 105 transitions, 220 flow. Second operand 3 states and 273 transitions. [2024-01-27 14:51:12,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 102 transitions, 274 flow [2024-01-27 14:51:12,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 102 transitions, 270 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:51:12,342 INFO L231 Difference]: Finished difference. Result has 105 places, 102 transitions, 214 flow [2024-01-27 14:51:12,342 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=105, PETRI_TRANSITIONS=102} [2024-01-27 14:51:12,343 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -19 predicate places. [2024-01-27 14:51:12,343 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 102 transitions, 214 flow [2024-01-27 14:51:12,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:51:12,343 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:12,343 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-27 14:51:12,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 14:51:12,344 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-27 14:51:12,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:12,344 INFO L85 PathProgramCache]: Analyzing trace with hash 370339230, now seen corresponding path program 1 times [2024-01-27 14:51:12,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:12,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604201495] [2024-01-27 14:51:12,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:12,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:51:12,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:51:12,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:51:12,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604201495] [2024-01-27 14:51:12,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604201495] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:51:12,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:51:12,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:51:12,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596308192] [2024-01-27 14:51:12,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:51:12,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:51:12,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:51:12,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:51:12,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:51:12,479 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 121 [2024-01-27 14:51:12,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 102 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 14:51:12,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:51:12,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 121 [2024-01-27 14:51:12,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:51:12,756 INFO L124 PetriNetUnfolderBase]: 1213/3172 cut-off events. [2024-01-27 14:51:12,756 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-01-27 14:51:12,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5028 conditions, 3172 events. 1213/3172 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 28037 event pairs, 527 based on Foata normal form. 65/2733 useless extension candidates. Maximal degree in co-relation 4992. Up to 961 conditions per place. [2024-01-27 14:51:12,774 INFO L140 encePairwiseOnDemand]: 114/121 looper letters, 50 selfloop transitions, 2 changer transitions 0/120 dead transitions. [2024-01-27 14:51:12,774 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 120 transitions, 359 flow [2024-01-27 14:51:12,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:51:12,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:51:12,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 294 transitions. [2024-01-27 14:51:12,775 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8099173553719008 [2024-01-27 14:51:12,775 INFO L175 Difference]: Start difference. First operand has 105 places, 102 transitions, 214 flow. Second operand 3 states and 294 transitions. [2024-01-27 14:51:12,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 120 transitions, 359 flow [2024-01-27 14:51:12,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 120 transitions, 355 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:51:12,779 INFO L231 Difference]: Finished difference. Result has 102 places, 99 transitions, 214 flow [2024-01-27 14:51:12,779 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=102, PETRI_TRANSITIONS=99} [2024-01-27 14:51:12,780 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -22 predicate places. [2024-01-27 14:51:12,780 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 99 transitions, 214 flow [2024-01-27 14:51:12,780 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 14:51:12,780 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:12,780 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:51:12,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-27 14:51:12,781 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 14:51:12,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:12,781 INFO L85 PathProgramCache]: Analyzing trace with hash -994607319, now seen corresponding path program 1 times [2024-01-27 14:51:12,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:12,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531232659] [2024-01-27 14:51:12,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:12,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:51:12,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:51:12,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:51:12,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531232659] [2024-01-27 14:51:12,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531232659] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:51:12,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:51:12,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:51:12,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089907271] [2024-01-27 14:51:12,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:51:12,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:51:12,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:51:12,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:51:12,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:51:12,862 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 121 [2024-01-27 14:51:12,863 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 99 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 14:51:12,863 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:51:12,863 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 121 [2024-01-27 14:51:12,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:51:13,186 INFO L124 PetriNetUnfolderBase]: 1826/4057 cut-off events. [2024-01-27 14:51:13,187 INFO L125 PetriNetUnfolderBase]: For 236/236 co-relation queries the response was YES. [2024-01-27 14:51:13,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7035 conditions, 4057 events. 1826/4057 cut-off events. For 236/236 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 33311 event pairs, 825 based on Foata normal form. 101/3620 useless extension candidates. Maximal degree in co-relation 3595. Up to 1366 conditions per place. [2024-01-27 14:51:13,212 INFO L140 encePairwiseOnDemand]: 114/121 looper letters, 50 selfloop transitions, 2 changer transitions 0/116 dead transitions. [2024-01-27 14:51:13,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 116 transitions, 361 flow [2024-01-27 14:51:13,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:51:13,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:51:13,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions. [2024-01-27 14:51:13,214 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8044077134986226 [2024-01-27 14:51:13,214 INFO L175 Difference]: Start difference. First operand has 102 places, 99 transitions, 214 flow. Second operand 3 states and 292 transitions. [2024-01-27 14:51:13,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 116 transitions, 361 flow [2024-01-27 14:51:13,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 116 transitions, 358 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:51:13,216 INFO L231 Difference]: Finished difference. Result has 100 places, 96 transitions, 216 flow [2024-01-27 14:51:13,216 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=100, PETRI_TRANSITIONS=96} [2024-01-27 14:51:13,217 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -24 predicate places. [2024-01-27 14:51:13,217 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 96 transitions, 216 flow [2024-01-27 14:51:13,217 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 14:51:13,217 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:13,218 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:51:13,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-27 14:51:13,218 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-27 14:51:13,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:13,218 INFO L85 PathProgramCache]: Analyzing trace with hash -768055410, now seen corresponding path program 1 times [2024-01-27 14:51:13,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:13,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704687683] [2024-01-27 14:51:13,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:13,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:51:13,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:51:13,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:51:13,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704687683] [2024-01-27 14:51:13,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704687683] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:51:13,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:51:13,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:51:13,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821194195] [2024-01-27 14:51:13,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:51:13,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:51:13,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:51:13,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:51:13,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:51:13,258 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 121 [2024-01-27 14:51:13,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 96 transitions, 216 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 14:51:13,259 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:51:13,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 121 [2024-01-27 14:51:13,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:51:13,712 INFO L124 PetriNetUnfolderBase]: 2748/5969 cut-off events. [2024-01-27 14:51:13,712 INFO L125 PetriNetUnfolderBase]: For 694/694 co-relation queries the response was YES. [2024-01-27 14:51:13,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10781 conditions, 5969 events. 2748/5969 cut-off events. For 694/694 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 50798 event pairs, 1277 based on Foata normal form. 140/5316 useless extension candidates. Maximal degree in co-relation 5579. Up to 2114 conditions per place. [2024-01-27 14:51:13,735 INFO L140 encePairwiseOnDemand]: 114/121 looper letters, 50 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2024-01-27 14:51:13,736 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 112 transitions, 364 flow [2024-01-27 14:51:13,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:51:13,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:51:13,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 290 transitions. [2024-01-27 14:51:13,737 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7988980716253443 [2024-01-27 14:51:13,737 INFO L175 Difference]: Start difference. First operand has 100 places, 96 transitions, 216 flow. Second operand 3 states and 290 transitions. [2024-01-27 14:51:13,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 112 transitions, 364 flow [2024-01-27 14:51:13,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 112 transitions, 361 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:51:13,739 INFO L231 Difference]: Finished difference. Result has 98 places, 93 transitions, 218 flow [2024-01-27 14:51:13,739 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=98, PETRI_TRANSITIONS=93} [2024-01-27 14:51:13,740 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -26 predicate places. [2024-01-27 14:51:13,740 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 93 transitions, 218 flow [2024-01-27 14:51:13,740 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 14:51:13,740 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:13,740 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:51:13,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-27 14:51:13,741 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-27 14:51:13,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:13,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1847581141, now seen corresponding path program 1 times [2024-01-27 14:51:13,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:13,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045842832] [2024-01-27 14:51:13,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:13,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:51:13,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:51:13,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:51:13,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045842832] [2024-01-27 14:51:13,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045842832] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:51:13,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:51:13,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:51:13,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738316080] [2024-01-27 14:51:13,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:51:13,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:51:13,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:51:13,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:51:13,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:51:13,774 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 121 [2024-01-27 14:51:13,774 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 93 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:51:13,774 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:51:13,774 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 121 [2024-01-27 14:51:13,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:51:14,301 INFO L124 PetriNetUnfolderBase]: 3288/6806 cut-off events. [2024-01-27 14:51:14,302 INFO L125 PetriNetUnfolderBase]: For 1162/1166 co-relation queries the response was YES. [2024-01-27 14:51:14,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12947 conditions, 6806 events. 3288/6806 cut-off events. For 1162/1166 co-relation queries the response was YES. Maximal size of possible extension queue 356. Compared 58406 event pairs, 2748 based on Foata normal form. 0/5628 useless extension candidates. Maximal degree in co-relation 6916. Up to 4782 conditions per place. [2024-01-27 14:51:14,331 INFO L140 encePairwiseOnDemand]: 118/121 looper letters, 34 selfloop transitions, 2 changer transitions 0/92 dead transitions. [2024-01-27 14:51:14,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 92 transitions, 288 flow [2024-01-27 14:51:14,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:51:14,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:51:14,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 265 transitions. [2024-01-27 14:51:14,332 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7300275482093664 [2024-01-27 14:51:14,332 INFO L175 Difference]: Start difference. First operand has 98 places, 93 transitions, 218 flow. Second operand 3 states and 265 transitions. [2024-01-27 14:51:14,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 92 transitions, 288 flow [2024-01-27 14:51:14,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 92 transitions, 286 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:51:14,335 INFO L231 Difference]: Finished difference. Result has 98 places, 92 transitions, 218 flow [2024-01-27 14:51:14,335 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=98, PETRI_TRANSITIONS=92} [2024-01-27 14:51:14,336 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -26 predicate places. [2024-01-27 14:51:14,336 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 92 transitions, 218 flow [2024-01-27 14:51:14,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:51:14,336 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:14,336 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 14:51:14,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-27 14:51:14,337 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-27 14:51:14,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:14,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1714672302, now seen corresponding path program 1 times [2024-01-27 14:51:14,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:14,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656060247] [2024-01-27 14:51:14,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:14,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:51:14,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:51:14,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:51:14,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656060247] [2024-01-27 14:51:14,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656060247] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:51:14,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:51:14,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:51:14,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818241800] [2024-01-27 14:51:14,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:51:14,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:51:14,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:51:14,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:51:14,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:51:14,437 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 121 [2024-01-27 14:51:14,437 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 92 transitions, 218 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 14:51:14,437 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:51:14,438 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 121 [2024-01-27 14:51:14,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:51:14,969 INFO L124 PetriNetUnfolderBase]: 2434/6281 cut-off events. [2024-01-27 14:51:14,969 INFO L125 PetriNetUnfolderBase]: For 837/837 co-relation queries the response was YES. [2024-01-27 14:51:14,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10984 conditions, 6281 events. 2434/6281 cut-off events. For 837/837 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 59425 event pairs, 132 based on Foata normal form. 456/6159 useless extension candidates. Maximal degree in co-relation 10954. Up to 3224 conditions per place. [2024-01-27 14:51:15,006 INFO L140 encePairwiseOnDemand]: 115/121 looper letters, 45 selfloop transitions, 2 changer transitions 0/103 dead transitions. [2024-01-27 14:51:15,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 103 transitions, 344 flow [2024-01-27 14:51:15,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:51:15,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:51:15,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 366 transitions. [2024-01-27 14:51:15,008 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.756198347107438 [2024-01-27 14:51:15,008 INFO L175 Difference]: Start difference. First operand has 98 places, 92 transitions, 218 flow. Second operand 4 states and 366 transitions. [2024-01-27 14:51:15,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 103 transitions, 344 flow [2024-01-27 14:51:15,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 103 transitions, 340 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:51:15,010 INFO L231 Difference]: Finished difference. Result has 95 places, 88 transitions, 210 flow [2024-01-27 14:51:15,010 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 14:51:15,011 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -29 predicate places. [2024-01-27 14:51:15,011 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 88 transitions, 210 flow [2024-01-27 14:51:15,011 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 14:51:15,011 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:15,012 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 14:51:15,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-27 14:51:15,012 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-27 14:51:15,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:15,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1467344271, now seen corresponding path program 1 times [2024-01-27 14:51:15,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:15,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423991578] [2024-01-27 14:51:15,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:15,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:51:15,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:51:15,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:51:15,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423991578] [2024-01-27 14:51:15,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423991578] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:51:15,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:51:15,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:51:15,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062390465] [2024-01-27 14:51:15,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:51:15,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:51:15,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:51:15,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:51:15,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:51:15,200 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 121 [2024-01-27 14:51:15,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 88 transitions, 210 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 14:51:15,201 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:51:15,201 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 121 [2024-01-27 14:51:15,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:51:15,579 INFO L124 PetriNetUnfolderBase]: 3622/7239 cut-off events. [2024-01-27 14:51:15,579 INFO L125 PetriNetUnfolderBase]: For 1190/1190 co-relation queries the response was YES. [2024-01-27 14:51:15,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13917 conditions, 7239 events. 3622/7239 cut-off events. For 1190/1190 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 58714 event pairs, 1585 based on Foata normal form. 0/6126 useless extension candidates. Maximal degree in co-relation 7786. Up to 3295 conditions per place. [2024-01-27 14:51:15,723 INFO L140 encePairwiseOnDemand]: 116/121 looper letters, 46 selfloop transitions, 5 changer transitions 0/104 dead transitions. [2024-01-27 14:51:15,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 104 transitions, 354 flow [2024-01-27 14:51:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:51:15,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:51:15,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 290 transitions. [2024-01-27 14:51:15,724 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7988980716253443 [2024-01-27 14:51:15,724 INFO L175 Difference]: Start difference. First operand has 95 places, 88 transitions, 210 flow. Second operand 3 states and 290 transitions. [2024-01-27 14:51:15,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 104 transitions, 354 flow [2024-01-27 14:51:15,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 104 transitions, 351 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:51:15,726 INFO L231 Difference]: Finished difference. Result has 96 places, 89 transitions, 233 flow [2024-01-27 14:51:15,726 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=233, PETRI_PLACES=96, PETRI_TRANSITIONS=89} [2024-01-27 14:51:15,727 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -28 predicate places. [2024-01-27 14:51:15,727 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 89 transitions, 233 flow [2024-01-27 14:51:15,727 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 14:51:15,727 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:15,727 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 14:51:15,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-27 14:51:15,728 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-27 14:51:15,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:15,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1483142408, now seen corresponding path program 1 times [2024-01-27 14:51:15,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:15,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332024857] [2024-01-27 14:51:15,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:15,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:51:15,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:51:15,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:51:15,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332024857] [2024-01-27 14:51:15,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332024857] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:51:15,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:51:15,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:51:15,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801967558] [2024-01-27 14:51:15,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:51:15,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:51:15,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:51:15,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:51:15,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:51:15,803 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 121 [2024-01-27 14:51:15,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 89 transitions, 233 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 14:51:15,803 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:51:15,803 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 121 [2024-01-27 14:51:15,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:51:16,138 INFO L124 PetriNetUnfolderBase]: 2542/5538 cut-off events. [2024-01-27 14:51:16,138 INFO L125 PetriNetUnfolderBase]: For 3027/3347 co-relation queries the response was YES. [2024-01-27 14:51:16,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11357 conditions, 5538 events. 2542/5538 cut-off events. For 3027/3347 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 46637 event pairs, 207 based on Foata normal form. 712/5995 useless extension candidates. Maximal degree in co-relation 9936. Up to 3318 conditions per place. [2024-01-27 14:51:16,163 INFO L140 encePairwiseOnDemand]: 115/121 looper letters, 53 selfloop transitions, 2 changer transitions 0/107 dead transitions. [2024-01-27 14:51:16,164 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 107 transitions, 431 flow [2024-01-27 14:51:16,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:51:16,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:51:16,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 370 transitions. [2024-01-27 14:51:16,165 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7644628099173554 [2024-01-27 14:51:16,165 INFO L175 Difference]: Start difference. First operand has 96 places, 89 transitions, 233 flow. Second operand 4 states and 370 transitions. [2024-01-27 14:51:16,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 107 transitions, 431 flow [2024-01-27 14:51:16,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 107 transitions, 405 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:51:16,168 INFO L231 Difference]: Finished difference. Result has 93 places, 85 transitions, 219 flow [2024-01-27 14:51:16,168 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=219, PETRI_PLACES=93, PETRI_TRANSITIONS=85} [2024-01-27 14:51:16,168 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -31 predicate places. [2024-01-27 14:51:16,168 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 85 transitions, 219 flow [2024-01-27 14:51:16,169 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 14:51:16,169 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:16,169 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] [2024-01-27 14:51:16,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-27 14:51:16,169 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-01-27 14:51:16,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:16,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1368524170, now seen corresponding path program 1 times [2024-01-27 14:51:16,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:16,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801396094] [2024-01-27 14:51:16,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:16,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:51:16,181 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-27 14:51:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:51:16,200 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-27 14:51:16,200 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-27 14:51:16,201 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 76 remaining) [2024-01-27 14:51:16,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 76 remaining) [2024-01-27 14:51:16,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 76 remaining) [2024-01-27 14:51:16,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 76 remaining) [2024-01-27 14:51:16,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 76 remaining) [2024-01-27 14:51:16,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 76 remaining) [2024-01-27 14:51:16,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 76 remaining) [2024-01-27 14:51:16,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 76 remaining) [2024-01-27 14:51:16,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 76 remaining) [2024-01-27 14:51:16,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 76 remaining) [2024-01-27 14:51:16,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 76 remaining) [2024-01-27 14:51:16,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 76 remaining) [2024-01-27 14:51:16,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 76 remaining) [2024-01-27 14:51:16,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 76 remaining) [2024-01-27 14:51:16,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 76 remaining) [2024-01-27 14:51:16,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 76 remaining) [2024-01-27 14:51:16,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 76 remaining) [2024-01-27 14:51:16,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 76 remaining) [2024-01-27 14:51:16,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 76 remaining) [2024-01-27 14:51:16,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 76 remaining) [2024-01-27 14:51:16,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 76 remaining) [2024-01-27 14:51:16,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 76 remaining) [2024-01-27 14:51:16,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 76 remaining) [2024-01-27 14:51:16,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 76 remaining) [2024-01-27 14:51:16,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 76 remaining) [2024-01-27 14:51:16,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 76 remaining) [2024-01-27 14:51:16,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 76 remaining) [2024-01-27 14:51:16,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 76 remaining) [2024-01-27 14:51:16,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 76 remaining) [2024-01-27 14:51:16,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 76 remaining) [2024-01-27 14:51:16,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 76 remaining) [2024-01-27 14:51:16,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 76 remaining) [2024-01-27 14:51:16,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 76 remaining) [2024-01-27 14:51:16,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 76 remaining) [2024-01-27 14:51:16,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 76 remaining) [2024-01-27 14:51:16,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 76 remaining) [2024-01-27 14:51:16,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 76 remaining) [2024-01-27 14:51:16,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 76 remaining) [2024-01-27 14:51:16,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 76 remaining) [2024-01-27 14:51:16,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 76 remaining) [2024-01-27 14:51:16,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 76 remaining) [2024-01-27 14:51:16,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 76 remaining) [2024-01-27 14:51:16,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 76 remaining) [2024-01-27 14:51:16,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 76 remaining) [2024-01-27 14:51:16,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 76 remaining) [2024-01-27 14:51:16,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 76 remaining) [2024-01-27 14:51:16,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 76 remaining) [2024-01-27 14:51:16,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 76 remaining) [2024-01-27 14:51:16,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (27 of 76 remaining) [2024-01-27 14:51:16,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 76 remaining) [2024-01-27 14:51:16,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 76 remaining) [2024-01-27 14:51:16,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 76 remaining) [2024-01-27 14:51:16,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 76 remaining) [2024-01-27 14:51:16,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 76 remaining) [2024-01-27 14:51:16,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 76 remaining) [2024-01-27 14:51:16,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 76 remaining) [2024-01-27 14:51:16,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 76 remaining) [2024-01-27 14:51:16,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 76 remaining) [2024-01-27 14:51:16,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 76 remaining) [2024-01-27 14:51:16,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 76 remaining) [2024-01-27 14:51:16,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 76 remaining) [2024-01-27 14:51:16,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 76 remaining) [2024-01-27 14:51:16,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 76 remaining) [2024-01-27 14:51:16,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 76 remaining) [2024-01-27 14:51:16,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 76 remaining) [2024-01-27 14:51:16,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 76 remaining) [2024-01-27 14:51:16,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 76 remaining) [2024-01-27 14:51:16,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 76 remaining) [2024-01-27 14:51:16,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 76 remaining) [2024-01-27 14:51:16,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 76 remaining) [2024-01-27 14:51:16,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 76 remaining) [2024-01-27 14:51:16,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 76 remaining) [2024-01-27 14:51:16,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 76 remaining) [2024-01-27 14:51:16,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 76 remaining) [2024-01-27 14:51:16,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 76 remaining) [2024-01-27 14:51:16,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 76 remaining) [2024-01-27 14:51:16,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-01-27 14:51:16,212 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:51:16,217 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-27 14:51:16,217 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-27 14:51:16,236 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2024-01-27 14:51:16,242 INFO L503 ceAbstractionStarter]: Automizer considered 47 witness invariants [2024-01-27 14:51:16,242 INFO L504 ceAbstractionStarter]: WitnessConsidered=47 [2024-01-27 14:51:16,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 02:51:16 BasicIcfg [2024-01-27 14:51:16,243 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-27 14:51:16,243 INFO L158 Benchmark]: Toolchain (without parser) took 6409.86ms. Allocated memory was 113.2MB in the beginning and 654.3MB in the end (delta: 541.1MB). Free memory was 56.7MB in the beginning and 180.4MB in the end (delta: -123.6MB). Peak memory consumption was 419.0MB. Max. memory is 16.1GB. [2024-01-27 14:51:16,243 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:51:16,243 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory was 75.9MB in the beginning and 75.7MB in the end (delta: 193.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:51:16,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.66ms. Allocated memory was 113.2MB in the beginning and 153.1MB in the end (delta: 39.8MB). Free memory was 56.7MB in the beginning and 126.0MB in the end (delta: -69.3MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-01-27 14:51:16,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.26ms. Allocated memory is still 153.1MB. Free memory was 125.9MB in the beginning and 125.2MB in the end (delta: 743.5kB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-01-27 14:51:16,244 INFO L158 Benchmark]: Boogie Preprocessor took 64.54ms. Allocated memory is still 153.1MB. Free memory was 125.2MB in the beginning and 123.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 14:51:16,244 INFO L158 Benchmark]: RCFGBuilder took 711.53ms. Allocated memory is still 153.1MB. Free memory was 123.1MB in the beginning and 79.1MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-01-27 14:51:16,245 INFO L158 Benchmark]: TraceAbstraction took 5305.85ms. Allocated memory was 153.1MB in the beginning and 654.3MB in the end (delta: 501.2MB). Free memory was 78.2MB in the beginning and 180.4MB in the end (delta: -102.2MB). Peak memory consumption was 398.7MB. Max. memory is 16.1GB. [2024-01-27 14:51:16,246 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory was 75.9MB in the beginning and 75.7MB in the end (delta: 193.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.66ms. Allocated memory was 113.2MB in the beginning and 153.1MB in the end (delta: 39.8MB). Free memory was 56.7MB in the beginning and 126.0MB in the end (delta: -69.3MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.26ms. Allocated memory is still 153.1MB. Free memory was 125.9MB in the beginning and 125.2MB in the end (delta: 743.5kB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.54ms. Allocated memory is still 153.1MB. Free memory was 125.2MB in the beginning and 123.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 711.53ms. Allocated memory is still 153.1MB. Free memory was 123.1MB in the beginning and 79.1MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5305.85ms. Allocated memory was 153.1MB in the beginning and 654.3MB in the end (delta: 501.2MB). Free memory was 78.2MB in the beginning and 180.4MB in the end (delta: -102.2MB). Peak memory consumption was 398.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 41]: 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; [L65] 0 pthread_t t1, t2, t3; VAL [a=0, b=0, c=0, t1={5:0}, t2={3:0}, t3={6:0}, x_1=0, x_2=0, x_3=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[a]]],CastExpression[ACSLType[long long],IdentifierExpression[b]]],IntegerLiteral[0LL]]]] VAL [a=0, b=0, c=0, t1={5:0}, t2={3:0}, t3={6:0}, x_1=0, x_2=0, x_3=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[a],IntegerLiteral[0U]]]] VAL [a=0, b=0, c=0, t1={5:0}, t2={3:0}, t3={6:0}, x_1=0, x_2=0, x_3=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]]] VAL [a=0, b=0, c=0, t1={5:0}, t2={3:0}, t3={6:0}, x_1=0, x_2=0, x_3=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_1],IntegerLiteral[0U]]]] VAL [a=0, b=0, c=0, t1={5:0}, t2={3:0}, t3={6:0}, x_1=0, x_2=0, x_3=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[a]],CastExpression[ACSLType[long long],IdentifierExpression[b]]],IntegerLiteral[0LL]]]] VAL [a=0, b=0, c=0, t1={5:0}, t2={3:0}, t3={6:0}, x_1=0, x_2=0, x_3=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[b],IntegerLiteral[0U]]]] VAL [a=0, b=0, c=0, t1={5:0}, t2={3:0}, t3={6:0}, x_1=0, x_2=0, x_3=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_2],IntegerLiteral[0U]]]] VAL [a=0, b=0, c=0, t1={5:0}, t2={3:0}, t3={6:0}, x_1=0, x_2=0, x_3=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_3],IntegerLiteral[0U]]]] VAL [a=0, b=0, c=0, t1={5:0}, t2={3:0}, t3={6:0}, x_1=0, x_2=0, x_3=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[a]],CastExpression[ACSLType[long long],IdentifierExpression[b]]],IntegerLiteral[0LL]]]] VAL [a=0, b=0, c=0, t1={5:0}, t2={3:0}, t3={6:0}, x_1=0, x_2=0, x_3=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[a]]],CastExpression[ACSLType[long long],IdentifierExpression[b]]],IntegerLiteral[0LL]]]] [L68] 0 a = __VERIFIER_nondet_uint() [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[b],IntegerLiteral[0U]]]] VAL [b=0, c=0, t1={5:0}, t2={3:0}, t3={6:0}, x_1=0, x_2=0, x_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]]] VAL [b=0, c=0, t1={5:0}, t2={3:0}, t3={6:0}, x_1=0, x_2=0, x_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_2],IntegerLiteral[0U]]]] VAL [b=0, c=0, t1={5:0}, t2={3:0}, t3={6:0}, x_1=0, x_2=0, x_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_3],IntegerLiteral[0U]]]] VAL [b=0, c=0, t1={5:0}, t2={3:0}, t3={6:0}, x_1=0, x_2=0, x_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_1],IntegerLiteral[0U]]]] [L69] 0 b = __VERIFIER_nondet_uint() [L70] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]]] VAL [c=0, t1={5:0}, t2={3:0}, t3={6:0}, x_1=0, x_2=0, x_3=0] [L70] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_2],IntegerLiteral[0U]]]] VAL [c=0, t1={5:0}, t2={3:0}, t3={6:0}, x_1=0, x_2=0, x_3=0] [L70] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_3],IntegerLiteral[0U]]]] VAL [c=0, t1={5:0}, t2={3:0}, t3={6:0}, x_1=0, x_2=0, x_3=0] [L70] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_1],IntegerLiteral[0U]]]] [L70] 0 c = __VERIFIER_nondet_uint() [L72] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_1],IntegerLiteral[0U]]]] VAL [t1={5:0}, t2={3:0}, t3={6:0}, x_1=0, x_2=0, x_3=0] [L72] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_3],IntegerLiteral[0U]]]] VAL [t1={5:0}, t2={3:0}, t3={6:0}, x_1=0, x_2=0, x_3=0] [L72] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x_2],IntegerLiteral[0U]]]] [L72] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [_argptr={0:0}, t1={5:0}, t2={3:0}, t3={6:0}, x_1=0, x_2=0, x_3=0] [L41] 1 unsigned int i=0; VAL [_argptr={0:0}, _argptr={0:0}, i=0, x_1=0, x_2=0, x_3=0] [L41] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[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] [L41] 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] [L41] COND FALSE 1 !(i