./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/bench-exp3x3-opt.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/bench-exp3x3-opt.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27552612 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/bench-exp3x3-opt.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/bench-exp3x3-opt.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-2755261-m [2024-01-26 15:19:49,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 15:19:49,158 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-26 15:19:49,161 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 15:19:49,161 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 15:19:49,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 15:19:49,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 15:19:49,176 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 15:19:49,177 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-26 15:19:49,178 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-26 15:19:49,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 15:19:49,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 15:19:49,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 15:19:49,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 15:19:49,180 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 15:19:49,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 15:19:49,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 15:19:49,184 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 15:19:49,184 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 15:19:49,184 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 15:19:49,185 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 15:19:49,185 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 15:19:49,185 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 15:19:49,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 15:19:49,186 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-26 15:19:49,186 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 15:19:49,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 15:19:49,186 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 15:19:49,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 15:19:49,187 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 15:19:49,188 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-26 15:19:49,188 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 15:19:49,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:19:49,189 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 15:19:49,189 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 15:19:49,189 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 15:19:49,189 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 15:19:49,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 15:19:49,190 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 15:19:49,190 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-26 15:19:49,191 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 15:19:49,191 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-26 15:19:49,191 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-26 15:19:49,191 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-26 15:19:49,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 15:19:49,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 15:19:49,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 15:19:49,432 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 15:19:49,432 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 15:19:49,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp3x3-opt.wvr.c [2024-01-26 15:19:50,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 15:19:50,876 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 15:19:50,877 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp3x3-opt.wvr.c [2024-01-26 15:19:50,901 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9c6888db/087e8dbed42049be9ef27c488747361f/FLAG718eae36d [2024-01-26 15:19:50,925 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9c6888db/087e8dbed42049be9ef27c488747361f [2024-01-26 15:19:50,928 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-26 15:19:50,929 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-26 15:19:50,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/bench-exp3x3-opt.wvr.yml/witness.yml [2024-01-26 15:19:51,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 15:19:51,136 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 15:19:51,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 15:19:51,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 15:19:51,141 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 15:19:51,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:19:50" (1/2) ... [2024-01-26 15:19:51,158 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25622b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:19:51, skipping insertion in model container [2024-01-26 15:19:51,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:19:50" (1/2) ... [2024-01-26 15:19:51,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ab0645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:19:51, skipping insertion in model container [2024-01-26 15:19:51,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:19:51" (2/2) ... [2024-01-26 15:19:51,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25622b88 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:19:51, skipping insertion in model container [2024-01-26 15:19:51,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:19:51" (2/2) ... [2024-01-26 15:19:51,162 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-26 15:19:51,203 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-26 15:19:51,205 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-26 15:19:51,205 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (unsigned long )_argptr == 0UL [2024-01-26 15:19:51,205 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] x6 == 0U [2024-01-26 15:19:51,205 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] n == 0U [2024-01-26 15:19:51,205 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] x5 == 0U [2024-01-26 15:19:51,205 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] n == 0U [2024-01-26 15:19:51,205 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] x6 == 0U [2024-01-26 15:19:51,206 INFO L98 nessWitnessExtractor]: Loop invariant at [L65-L67] (unsigned long )_argptr == 0UL [2024-01-26 15:19:51,206 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-26 15:19:51,206 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] (unsigned long )_argptr == 0UL [2024-01-26 15:19:51,206 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] n == 0U [2024-01-26 15:19:51,206 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-26 15:19:51,207 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] x3 == 0U [2024-01-26 15:19:51,207 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] x4 == 0U [2024-01-26 15:19:51,207 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] n == 0U [2024-01-26 15:19:51,207 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] x5 == 0U [2024-01-26 15:19:51,207 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] x6 == 0U [2024-01-26 15:19:51,207 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-26 15:19:51,207 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-26 15:19:51,208 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] x6 == 0U [2024-01-26 15:19:51,208 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (long long )n + (long long )x1 >= 0LL [2024-01-26 15:19:51,208 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (0LL - (long long )n) + (long long )x1 >= 0LL [2024-01-26 15:19:51,208 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (long long )n - (long long )x1 >= 0LL [2024-01-26 15:19:51,208 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] x2 == 0U [2024-01-26 15:19:51,209 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] x4 == 0U [2024-01-26 15:19:51,209 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] x3 == 0U [2024-01-26 15:19:51,209 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] x1 == 0U [2024-01-26 15:19:51,209 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] x5 == 0U [2024-01-26 15:19:51,209 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] n == 0U [2024-01-26 15:19:51,209 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (0LL - (long long )n) - (long long )x1 >= 0LL [2024-01-26 15:19:51,209 INFO L98 nessWitnessExtractor]: Loop invariant at [L41-L43] (unsigned long )_argptr == 0UL [2024-01-26 15:19:51,210 INFO L98 nessWitnessExtractor]: Location invariant after [L41-L43] n == 0U [2024-01-26 15:19:51,210 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-01-26 15:19:51,210 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-26 15:19:51,210 INFO L98 nessWitnessExtractor]: Loop invariant at [L57-L59] (unsigned long )_argptr == 0UL [2024-01-26 15:19:51,210 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] x6 == 0U [2024-01-26 15:19:51,211 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] x4 == 0U [2024-01-26 15:19:51,211 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] n == 0U [2024-01-26 15:19:51,212 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] x5 == 0U [2024-01-26 15:19:51,212 INFO L98 nessWitnessExtractor]: Loop invariant at [L73-L75] (unsigned long )_argptr == 0UL [2024-01-26 15:19:51,212 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-26 15:19:51,212 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-26 15:19:51,213 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-26 15:19:51,213 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] x2 == 0U [2024-01-26 15:19:51,213 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] x4 == 0U [2024-01-26 15:19:51,213 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] x5 == 0U [2024-01-26 15:19:51,213 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] x6 == 0U [2024-01-26 15:19:51,214 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] x3 == 0U [2024-01-26 15:19:51,214 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] n == 0U [2024-01-26 15:19:51,214 INFO L98 nessWitnessExtractor]: Loop invariant at [L81-L83] (unsigned long )_argptr == 0UL [2024-01-26 15:19:51,214 INFO L98 nessWitnessExtractor]: Loop invariant at [L49-L51] (unsigned long )_argptr == 0UL [2024-01-26 15:19:51,255 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 15:19:51,437 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/bench-exp3x3-opt.wvr.c[2904,2917] [2024-01-26 15:19:51,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:19:51,454 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-26 15:19:51,555 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/bench-exp3x3-opt.wvr.c[2904,2917] [2024-01-26 15:19:51,556 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:19:51,567 INFO L206 MainTranslator]: Completed translation [2024-01-26 15:19:51,571 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:19:51 WrapperNode [2024-01-26 15:19:51,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 15:19:51,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 15:19:51,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 15:19:51,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 15:19:51,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:19:51" (1/1) ... [2024-01-26 15:19:51,594 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:19:51" (1/1) ... [2024-01-26 15:19:51,628 INFO L138 Inliner]: procedures = 25, calls = 44, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 163 [2024-01-26 15:19:51,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 15:19:51,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 15:19:51,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 15:19:51,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 15:19:51,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:19:51" (1/1) ... [2024-01-26 15:19:51,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:19:51" (1/1) ... [2024-01-26 15:19:51,657 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:19:51" (1/1) ... [2024-01-26 15:19:51,685 INFO L175 MemorySlicer]: Split 14 memory accesses to 7 slices as follows [2, 2, 2, 2, 2, 2, 2]. 14 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0]. The 6 writes are split as follows [0, 1, 1, 1, 1, 1, 1]. [2024-01-26 15:19:51,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:19:51" (1/1) ... [2024-01-26 15:19:51,685 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:19:51" (1/1) ... [2024-01-26 15:19:51,691 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:19:51" (1/1) ... [2024-01-26 15:19:51,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:19:51" (1/1) ... [2024-01-26 15:19:51,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:19:51" (1/1) ... [2024-01-26 15:19:51,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:19:51" (1/1) ... [2024-01-26 15:19:51,712 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 15:19:51,715 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 15:19:51,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 15:19:51,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 15:19:51,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:19:51" (1/1) ... [2024-01-26 15:19:51,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:19:51,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-26 15:19:51,763 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) [2024-01-26 15:19:51,779 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 [2024-01-26 15:19:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 15:19:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 15:19:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-26 15:19:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-26 15:19:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-26 15:19:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-26 15:19:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-26 15:19:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-26 15:19:51,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-01-26 15:19:51,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-26 15:19:51,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-26 15:19:51,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-26 15:19:51,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-26 15:19:51,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-26 15:19:51,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-26 15:19:51,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-01-26 15:19:51,811 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 15:19:51,811 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 15:19:51,812 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 15:19:51,812 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 15:19:51,812 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 15:19:51,812 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 15:19:51,812 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-26 15:19:51,812 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-26 15:19:51,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-26 15:19:51,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-26 15:19:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-26 15:19:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-26 15:19:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-26 15:19:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-26 15:19:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-01-26 15:19:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-01-26 15:19:51,814 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-01-26 15:19:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-01-26 15:19:51,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-01-26 15:19:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 15:19:51,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 15:19:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 15:19:51,831 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 15:19:51,935 INFO L244 CfgBuilder]: Building ICFG [2024-01-26 15:19:51,937 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 15:19:52,366 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-26 15:19:52,366 INFO L293 CfgBuilder]: Performing block encoding [2024-01-26 15:19:52,493 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 15:19:52,493 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-26 15:19:52,495 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:19:52 BoogieIcfgContainer [2024-01-26 15:19:52,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 15:19:52,497 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 15:19:52,498 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 15:19:52,501 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 15:19:52,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 03:19:50" (1/4) ... [2024-01-26 15:19:52,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58aa9f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 03:19:52, skipping insertion in model container [2024-01-26 15:19:52,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:19:51" (2/4) ... [2024-01-26 15:19:52,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58aa9f9f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.01 03:19:52, skipping insertion in model container [2024-01-26 15:19:52,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:19:51" (3/4) ... [2024-01-26 15:19:52,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58aa9f9f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.01 03:19:52, skipping insertion in model container [2024-01-26 15:19:52,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:19:52" (4/4) ... [2024-01-26 15:19:52,504 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp3x3-opt.wvr.c [2024-01-26 15:19:52,518 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 15:19:52,519 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-01-26 15:19:52,520 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 15:19:52,604 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2024-01-26 15:19:52,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 178 places, 165 transitions, 372 flow [2024-01-26 15:19:52,710 INFO L124 PetriNetUnfolderBase]: 6/159 cut-off events. [2024-01-26 15:19:52,711 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-01-26 15:19:52,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 159 events. 6/159 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 344 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 142. Up to 2 conditions per place. [2024-01-26 15:19:52,716 INFO L82 GeneralOperation]: Start removeDead. Operand has 178 places, 165 transitions, 372 flow [2024-01-26 15:19:52,723 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 171 places, 158 transitions, 352 flow [2024-01-26 15:19:52,736 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-26 15:19:52,742 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;@dda6770, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 15:19:52,743 INFO L358 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2024-01-26 15:19:52,745 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-26 15:19:52,745 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-26 15:19:52,745 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-26 15:19:52,746 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:19:52,746 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-26 15:19:52,747 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (and 86 more)] === [2024-01-26 15:19:52,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:19:52,751 INFO L85 PathProgramCache]: Analyzing trace with hash 17069, now seen corresponding path program 1 times [2024-01-26 15:19:52,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:19:52,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458887156] [2024-01-26 15:19:52,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:19:52,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:19:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:19:53,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:19:53,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:19:53,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458887156] [2024-01-26 15:19:53,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458887156] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:19:53,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:19:53,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-26 15:19:53,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714025192] [2024-01-26 15:19:53,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:19:53,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:19:53,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:19:53,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:19:53,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:19:53,162 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 165 [2024-01-26 15:19:53,165 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 158 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 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) [2024-01-26 15:19:53,167 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:19:53,167 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 165 [2024-01-26 15:19:53,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:20:24,125 INFO L124 PetriNetUnfolderBase]: 345752/440835 cut-off events. [2024-01-26 15:20:24,125 INFO L125 PetriNetUnfolderBase]: For 10902/10902 co-relation queries the response was YES. [2024-01-26 15:20:25,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 852666 conditions, 440835 events. 345752/440835 cut-off events. For 10902/10902 co-relation queries the response was YES. Maximal size of possible extension queue 17550. Compared 2962770 event pairs, 228127 based on Foata normal form. 6/295852 useless extension candidates. Maximal degree in co-relation 743986. Up to 398543 conditions per place.