./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i --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/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.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/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.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 14:49:22,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 14:49:22,369 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 14:49:22,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 14:49:22,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 14:49:22,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 14:49:22,401 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 14:49:22,401 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 14:49:22,402 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 14:49:22,405 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 14:49:22,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 14:49:22,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 14:49:22,406 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 14:49:22,408 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 14:49:22,408 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 14:49:22,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 14:49:22,408 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 14:49:22,409 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 14:49:22,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 14:49:22,409 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 14:49:22,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 14:49:22,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 14:49:22,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 14:49:22,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 14:49:22,410 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 14:49:22,411 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 14:49:22,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 14:49:22,411 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 14:49:22,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 14:49:22,412 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 14:49:22,413 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 14:49:22,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 14:49:22,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:49:22,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 14:49:22,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 14:49:22,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 14:49:22,414 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 14:49:22,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 14:49:22,415 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 14:49:22,415 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 14:49:22,415 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 14:49:22,415 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 14:49:22,416 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 14:49:22,416 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 14:49:22,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 14:49:22,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 14:49:22,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 14:49:22,668 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 14:49:22,668 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 14:49:22,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2024-01-27 14:49:23,680 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 14:49:23,886 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 14:49:23,888 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2024-01-27 14:49:23,900 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bd1158a7/b7bf225193e244de927e8cedfa778fad/FLAG674a76f02 [2024-01-27 14:49:23,910 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bd1158a7/b7bf225193e244de927e8cedfa778fad [2024-01-27 14:49:23,912 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 14:49:23,916 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 14:49:23,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.yml/witness.yml [2024-01-27 14:49:24,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 14:49:24,013 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 14:49:24,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 14:49:24,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 14:49:24,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 14:49:24,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:49:23" (1/2) ... [2024-01-27 14:49:24,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d31e259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:49:24, skipping insertion in model container [2024-01-27 14:49:24,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:49:23" (1/2) ... [2024-01-27 14:49:24,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a0705f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:49:24, skipping insertion in model container [2024-01-27 14:49:24,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:49:24" (2/2) ... [2024-01-27 14:49:24,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d31e259 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:49:24, skipping insertion in model container [2024-01-27 14:49:24,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:49:24" (2/2) ... [2024-01-27 14:49:24,022 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 14:49:24,056 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 14:49:24,057 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] g == 42 [2024-01-27 14:49:24,057 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (g == 0 || g == 17) || g == 42 [2024-01-27 14:49:24,057 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] g <= 42 [2024-01-27 14:49:24,057 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] 0 <= g [2024-01-27 14:49:24,058 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] g <= 127 [2024-01-27 14:49:24,058 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (unsigned long )arg == 0UL [2024-01-27 14:49:24,058 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] g == 17 [2024-01-27 14:49:24,058 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (unsigned long )arg == 0UL [2024-01-27 14:49:24,059 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] (unsigned long )arg == 0UL [2024-01-27 14:49:24,059 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] (g == 0 || g == 17) || g == 42 [2024-01-27 14:49:24,059 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] g <= 42 [2024-01-27 14:49:24,059 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] 0 <= g [2024-01-27 14:49:24,059 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] g <= 127 [2024-01-27 14:49:24,059 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] g == 17 [2024-01-27 14:49:24,059 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (unsigned long )arg == 0UL [2024-01-27 14:49:24,059 INFO L98 nessWitnessExtractor]: Location invariant before [L685-L685] (unsigned long )arg == 0UL [2024-01-27 14:49:24,060 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] g == 42 [2024-01-27 14:49:24,060 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] g == 42 [2024-01-27 14:49:24,060 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (unsigned long )arg == 0UL [2024-01-27 14:49:24,066 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] 0 <= g [2024-01-27 14:49:24,067 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] g <= 127 [2024-01-27 14:49:24,067 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] (g == 0 || g == 17) || g == 42 [2024-01-27 14:49:24,067 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] g <= 42 [2024-01-27 14:49:24,068 INFO L98 nessWitnessExtractor]: Location invariant before [L701-L701] g == 42 [2024-01-27 14:49:24,068 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g == 42 [2024-01-27 14:49:24,068 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g == 42 [2024-01-27 14:49:24,068 INFO L98 nessWitnessExtractor]: Location invariant before [L694-L694] g == 0 [2024-01-27 14:49:24,068 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] g == 42 [2024-01-27 14:49:24,068 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] 0 <= g [2024-01-27 14:49:24,068 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (g == 0 || g == 17) || g == 42 [2024-01-27 14:49:24,068 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] g <= 42 [2024-01-27 14:49:24,069 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] g <= 127 [2024-01-27 14:49:24,107 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 14:49:24,235 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i[1129,1142] [2024-01-27 14:49:24,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:49:24,376 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 14:49:24,391 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i[1129,1142] [2024-01-27 14:49:24,391 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_assert(int cond) { if(!(cond)) { ERROR: {reach_error();abort();} } } with a witness entry 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 14:49:24,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:49:24,465 INFO L206 MainTranslator]: Completed translation [2024-01-27 14:49:24,465 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:49:24 WrapperNode [2024-01-27 14:49:24,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 14:49:24,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 14:49:24,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 14:49:24,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 14:49:24,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:49:24" (1/1) ... [2024-01-27 14:49:24,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:49:24" (1/1) ... [2024-01-27 14:49:24,500 INFO L138 Inliner]: procedures = 163, calls = 34, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2024-01-27 14:49:24,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 14:49:24,501 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 14:49:24,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 14:49:24,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 14:49:24,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:49:24" (1/1) ... [2024-01-27 14:49:24,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:49:24" (1/1) ... [2024-01-27 14:49:24,511 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:49:24" (1/1) ... [2024-01-27 14:49:24,521 INFO L175 MemorySlicer]: Split 13 memory accesses to 4 slices as follows [2, 1, 5, 5]. 38 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 0, 5, 5]. The 1 writes are split as follows [0, 1, 0, 0]. [2024-01-27 14:49:24,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:49:24" (1/1) ... [2024-01-27 14:49:24,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:49:24" (1/1) ... [2024-01-27 14:49:24,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:49:24" (1/1) ... [2024-01-27 14:49:24,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:49:24" (1/1) ... [2024-01-27 14:49:24,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:49:24" (1/1) ... [2024-01-27 14:49:24,529 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:49:24" (1/1) ... [2024-01-27 14:49:24,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 14:49:24,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 14:49:24,532 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 14:49:24,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 14:49:24,533 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:49:24" (1/1) ... [2024-01-27 14:49:24,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:49:24,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 14:49:24,554 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 14:49:24,556 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 14:49:24,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 14:49:24,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 14:49:24,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 14:49:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 14:49:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-27 14:49:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 14:49:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 14:49:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-27 14:49:24,582 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-27 14:49:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 14:49:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 14:49:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 14:49:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 14:49:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 14:49:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-27 14:49:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 14:49:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 14:49:24,584 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 14:49:24,686 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 14:49:24,688 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 14:49:24,873 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 14:49:24,873 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 14:49:24,961 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 14:49:24,967 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-27 14:49:24,967 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:49:24 BoogieIcfgContainer [2024-01-27 14:49:24,968 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 14:49:24,969 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 14:49:24,970 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 14:49:24,973 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 14:49:24,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:49:23" (1/4) ... [2024-01-27 14:49:24,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c08edd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:49:24, skipping insertion in model container [2024-01-27 14:49:24,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:49:24" (2/4) ... [2024-01-27 14:49:24,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c08edd1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:49:24, skipping insertion in model container [2024-01-27 14:49:24,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:49:24" (3/4) ... [2024-01-27 14:49:24,975 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c08edd1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:49:24, skipping insertion in model container [2024-01-27 14:49:24,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:49:24" (4/4) ... [2024-01-27 14:49:24,976 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2024-01-27 14:49:24,989 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 14:49:24,989 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2024-01-27 14:49:24,989 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 14:49:25,057 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-27 14:49:25,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 90 transitions, 184 flow [2024-01-27 14:49:25,151 INFO L124 PetriNetUnfolderBase]: 1/89 cut-off events. [2024-01-27 14:49:25,151 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:49:25,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 89 events. 1/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 163 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 85. Up to 2 conditions per place. [2024-01-27 14:49:25,155 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 90 transitions, 184 flow [2024-01-27 14:49:25,158 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 92 places, 89 transitions, 181 flow [2024-01-27 14:49:25,168 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 14:49:25,173 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;@669bebd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 14:49:25,174 INFO L358 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2024-01-27 14:49:25,176 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 14:49:25,176 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 14:49:25,176 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:49:25,176 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:49:25,178 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 14:49:25,179 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 45 more)] === [2024-01-27 14:49:25,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:49:25,183 INFO L85 PathProgramCache]: Analyzing trace with hash 9403, now seen corresponding path program 1 times [2024-01-27 14:49:25,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:49:25,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023520044] [2024-01-27 14:49:25,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:49:25,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:49:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:49:25,413 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 14:49:25,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:49:25,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023520044] [2024-01-27 14:49:25,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023520044] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:49:25,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:49:25,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:49:25,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466258750] [2024-01-27 14:49:25,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:49:25,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:49:25,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:49:25,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:49:25,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:49:25,568 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 90 [2024-01-27 14:49:25,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 89 transitions, 181 flow. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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 14:49:25,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:49:25,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 90 [2024-01-27 14:49:25,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:49:25,775 INFO L124 PetriNetUnfolderBase]: 248/810 cut-off events. [2024-01-27 14:49:25,776 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:49:25,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1353 conditions, 810 events. 248/810 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 5599 event pairs, 200 based on Foata normal form. 55/813 useless extension candidates. Maximal degree in co-relation 1342. Up to 519 conditions per place. [2024-01-27 14:49:25,785 INFO L140 encePairwiseOnDemand]: 69/90 looper letters, 46 selfloop transitions, 3 changer transitions 0/94 dead transitions. [2024-01-27 14:49:25,786 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 94 transitions, 289 flow [2024-01-27 14:49:25,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:49:25,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:49:25,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 205 transitions. [2024-01-27 14:49:25,799 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7592592592592593 [2024-01-27 14:49:25,800 INFO L175 Difference]: Start difference. First operand has 92 places, 89 transitions, 181 flow. Second operand 3 states and 205 transitions. [2024-01-27 14:49:25,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 94 transitions, 289 flow [2024-01-27 14:49:25,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 94 transitions, 288 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:49:25,808 INFO L231 Difference]: Finished difference. Result has 93 places, 89 transitions, 225 flow [2024-01-27 14:49:25,810 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=225, PETRI_PLACES=93, PETRI_TRANSITIONS=89} [2024-01-27 14:49:25,813 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, 1 predicate places. [2024-01-27 14:49:25,814 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 89 transitions, 225 flow [2024-01-27 14:49:25,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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 14:49:25,815 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:49:25,815 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-27 14:49:25,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 14:49:25,815 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 45 more)] === [2024-01-27 14:49:25,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:49:25,817 INFO L85 PathProgramCache]: Analyzing trace with hash 280501764, now seen corresponding path program 1 times [2024-01-27 14:49:25,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:49:25,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959761155] [2024-01-27 14:49:25,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:49:25,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:49:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:49:25,992 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 14:49:25,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:49:25,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959761155] [2024-01-27 14:49:25,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959761155] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:49:25,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:49:25,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:49:26,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454224127] [2024-01-27 14:49:26,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:49:26,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:49:26,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:49:26,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:49:26,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:49:26,027 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 90 [2024-01-27 14:49:26,029 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 89 transitions, 225 flow. Second operand has 4 states, 4 states have (on average 63.25) internal successors, (253), 4 states have internal predecessors, (253), 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 14:49:26,029 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:49:26,029 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 90 [2024-01-27 14:49:26,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:49:26,120 INFO L124 PetriNetUnfolderBase]: 77/511 cut-off events. [2024-01-27 14:49:26,120 INFO L125 PetriNetUnfolderBase]: For 19/29 co-relation queries the response was YES. [2024-01-27 14:49:26,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 793 conditions, 511 events. 77/511 cut-off events. For 19/29 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2920 event pairs, 0 based on Foata normal form. 60/540 useless extension candidates. Maximal degree in co-relation 780. Up to 161 conditions per place. [2024-01-27 14:49:26,125 INFO L140 encePairwiseOnDemand]: 82/90 looper letters, 32 selfloop transitions, 2 changer transitions 0/94 dead transitions. [2024-01-27 14:49:26,125 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 94 transitions, 306 flow [2024-01-27 14:49:26,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:49:26,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:49:26,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 286 transitions. [2024-01-27 14:49:26,130 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7944444444444444 [2024-01-27 14:49:26,130 INFO L175 Difference]: Start difference. First operand has 93 places, 89 transitions, 225 flow. Second operand 4 states and 286 transitions. [2024-01-27 14:49:26,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 94 transitions, 306 flow [2024-01-27 14:49:26,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 94 transitions, 302 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:49:26,134 INFO L231 Difference]: Finished difference. Result has 89 places, 83 transitions, 214 flow [2024-01-27 14:49:26,134 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=214, PETRI_PLACES=89, PETRI_TRANSITIONS=83} [2024-01-27 14:49:26,135 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -3 predicate places. [2024-01-27 14:49:26,135 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 83 transitions, 214 flow [2024-01-27 14:49:26,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.25) internal successors, (253), 4 states have internal predecessors, (253), 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 14:49:26,135 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:49:26,136 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:49:26,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 14:49:26,136 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 45 more)] === [2024-01-27 14:49:26,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:49:26,138 INFO L85 PathProgramCache]: Analyzing trace with hash 199335880, now seen corresponding path program 1 times [2024-01-27 14:49:26,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:49:26,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981766303] [2024-01-27 14:49:26,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:49:26,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:49:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:49:26,185 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 14:49:26,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:49:26,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981766303] [2024-01-27 14:49:26,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981766303] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:49:26,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:49:26,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:49:26,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762240361] [2024-01-27 14:49:26,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:49:26,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:49:26,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:49:26,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:49:26,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:49:26,246 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 90 [2024-01-27 14:49:26,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 83 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 14:49:26,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:49:26,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 90 [2024-01-27 14:49:26,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:49:26,368 INFO L124 PetriNetUnfolderBase]: 215/745 cut-off events. [2024-01-27 14:49:26,368 INFO L125 PetriNetUnfolderBase]: For 154/154 co-relation queries the response was YES. [2024-01-27 14:49:26,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1338 conditions, 745 events. 215/745 cut-off events. For 154/154 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4643 event pairs, 89 based on Foata normal form. 119/800 useless extension candidates. Maximal degree in co-relation 1324. Up to 314 conditions per place. [2024-01-27 14:49:26,371 INFO L140 encePairwiseOnDemand]: 68/90 looper letters, 49 selfloop transitions, 8 changer transitions 0/91 dead transitions. [2024-01-27 14:49:26,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 91 transitions, 328 flow [2024-01-27 14:49:26,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:49:26,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:49:26,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 197 transitions. [2024-01-27 14:49:26,372 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7296296296296296 [2024-01-27 14:49:26,372 INFO L175 Difference]: Start difference. First operand has 89 places, 83 transitions, 214 flow. Second operand 3 states and 197 transitions. [2024-01-27 14:49:26,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 91 transitions, 328 flow [2024-01-27 14:49:26,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 91 transitions, 325 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:49:26,401 INFO L231 Difference]: Finished difference. Result has 83 places, 80 transitions, 245 flow [2024-01-27 14:49:26,401 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=245, PETRI_PLACES=83, PETRI_TRANSITIONS=80} [2024-01-27 14:49:26,402 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -9 predicate places. [2024-01-27 14:49:26,402 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 80 transitions, 245 flow [2024-01-27 14:49:26,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 14:49:26,402 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:49:26,402 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] [2024-01-27 14:49:26,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-27 14:49:26,402 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 45 more)] === [2024-01-27 14:49:26,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:49:26,403 INFO L85 PathProgramCache]: Analyzing trace with hash 114899186, now seen corresponding path program 1 times [2024-01-27 14:49:26,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:49:26,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449765236] [2024-01-27 14:49:26,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:49:26,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:49:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:49:26,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:49:26,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:49:26,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449765236] [2024-01-27 14:49:26,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449765236] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:49:26,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:49:26,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:49:26,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257433513] [2024-01-27 14:49:26,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:49:26,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:49:26,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:49:26,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:49:26,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:49:26,496 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 90 [2024-01-27 14:49:26,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 80 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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 14:49:26,496 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:49:26,496 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 90 [2024-01-27 14:49:26,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:49:26,567 INFO L124 PetriNetUnfolderBase]: 152/573 cut-off events. [2024-01-27 14:49:26,567 INFO L125 PetriNetUnfolderBase]: For 273/278 co-relation queries the response was YES. [2024-01-27 14:49:26,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1155 conditions, 573 events. 152/573 cut-off events. For 273/278 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3357 event pairs, 62 based on Foata normal form. 110/662 useless extension candidates. Maximal degree in co-relation 1141. Up to 235 conditions per place. [2024-01-27 14:49:26,569 INFO L140 encePairwiseOnDemand]: 73/90 looper letters, 37 selfloop transitions, 3 changer transitions 2/79 dead transitions. [2024-01-27 14:49:26,570 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 79 transitions, 291 flow [2024-01-27 14:49:26,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:49:26,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:49:26,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 191 transitions. [2024-01-27 14:49:26,571 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7074074074074074 [2024-01-27 14:49:26,571 INFO L175 Difference]: Start difference. First operand has 83 places, 80 transitions, 245 flow. Second operand 3 states and 191 transitions. [2024-01-27 14:49:26,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 79 transitions, 291 flow [2024-01-27 14:49:26,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 79 transitions, 283 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-01-27 14:49:26,573 INFO L231 Difference]: Finished difference. Result has 76 places, 67 transitions, 188 flow [2024-01-27 14:49:26,573 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=76, PETRI_TRANSITIONS=67} [2024-01-27 14:49:26,574 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -16 predicate places. [2024-01-27 14:49:26,574 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 67 transitions, 188 flow [2024-01-27 14:49:26,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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 14:49:26,574 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:49:26,574 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] [2024-01-27 14:49:26,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-27 14:49:26,574 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 45 more)] === [2024-01-27 14:49:26,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:49:26,574 INFO L85 PathProgramCache]: Analyzing trace with hash 2052607303, now seen corresponding path program 1 times [2024-01-27 14:49:26,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:49:26,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298304647] [2024-01-27 14:49:26,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:49:26,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:49:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:49:26,659 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 14:49:26,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:49:26,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298304647] [2024-01-27 14:49:26,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298304647] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:49:26,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:49:26,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-27 14:49:26,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464638262] [2024-01-27 14:49:26,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:49:26,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:49:26,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:49:26,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:49:26,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:49:26,728 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 90 [2024-01-27 14:49:26,728 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 67 transitions, 188 flow. Second operand has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:49:26,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:49:26,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 90 [2024-01-27 14:49:26,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:49:26,826 INFO L124 PetriNetUnfolderBase]: 156/571 cut-off events. [2024-01-27 14:49:26,826 INFO L125 PetriNetUnfolderBase]: For 206/214 co-relation queries the response was YES. [2024-01-27 14:49:26,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1185 conditions, 571 events. 156/571 cut-off events. For 206/214 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3202 event pairs, 49 based on Foata normal form. 0/557 useless extension candidates. Maximal degree in co-relation 1170. Up to 220 conditions per place. [2024-01-27 14:49:26,829 INFO L140 encePairwiseOnDemand]: 85/90 looper letters, 44 selfloop transitions, 7 changer transitions 6/88 dead transitions. [2024-01-27 14:49:26,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 88 transitions, 353 flow [2024-01-27 14:49:26,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-27 14:49:26,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-27 14:49:26,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 258 transitions. [2024-01-27 14:49:26,830 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5733333333333334 [2024-01-27 14:49:26,830 INFO L175 Difference]: Start difference. First operand has 76 places, 67 transitions, 188 flow. Second operand 5 states and 258 transitions. [2024-01-27 14:49:26,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 88 transitions, 353 flow [2024-01-27 14:49:26,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 88 transitions, 344 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-01-27 14:49:26,834 INFO L231 Difference]: Finished difference. Result has 76 places, 67 transitions, 198 flow [2024-01-27 14:49:26,835 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=198, PETRI_PLACES=76, PETRI_TRANSITIONS=67} [2024-01-27 14:49:26,836 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -16 predicate places. [2024-01-27 14:49:26,836 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 67 transitions, 198 flow [2024-01-27 14:49:26,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:49:26,837 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:49:26,837 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:49:26,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-27 14:49:26,837 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 45 more)] === [2024-01-27 14:49:26,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:49:26,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1419424362, now seen corresponding path program 1 times [2024-01-27 14:49:26,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:49:26,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333761236] [2024-01-27 14:49:26,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:49:26,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:49:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:49:26,947 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 14:49:26,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:49:26,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333761236] [2024-01-27 14:49:26,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333761236] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:49:26,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:49:26,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:49:26,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871712211] [2024-01-27 14:49:26,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:49:26,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:49:26,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:49:26,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:49:26,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:49:26,950 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 90 [2024-01-27 14:49:26,950 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 67 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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 14:49:26,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:49:26,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 90 [2024-01-27 14:49:26,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:49:27,011 INFO L124 PetriNetUnfolderBase]: 80/460 cut-off events. [2024-01-27 14:49:27,011 INFO L125 PetriNetUnfolderBase]: For 169/173 co-relation queries the response was YES. [2024-01-27 14:49:27,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 460 events. 80/460 cut-off events. For 169/173 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2530 event pairs, 41 based on Foata normal form. 5/445 useless extension candidates. Maximal degree in co-relation 825. Up to 154 conditions per place. [2024-01-27 14:49:27,013 INFO L140 encePairwiseOnDemand]: 83/90 looper letters, 28 selfloop transitions, 5 changer transitions 7/81 dead transitions. [2024-01-27 14:49:27,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 81 transitions, 322 flow [2024-01-27 14:49:27,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:49:27,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:49:27,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 244 transitions. [2024-01-27 14:49:27,015 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9037037037037037 [2024-01-27 14:49:27,015 INFO L175 Difference]: Start difference. First operand has 76 places, 67 transitions, 198 flow. Second operand 3 states and 244 transitions. [2024-01-27 14:49:27,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 81 transitions, 322 flow [2024-01-27 14:49:27,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 81 transitions, 313 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-01-27 14:49:27,017 INFO L231 Difference]: Finished difference. Result has 76 places, 67 transitions, 211 flow [2024-01-27 14:49:27,018 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=211, PETRI_PLACES=76, PETRI_TRANSITIONS=67} [2024-01-27 14:49:27,020 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -16 predicate places. [2024-01-27 14:49:27,020 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 67 transitions, 211 flow [2024-01-27 14:49:27,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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 14:49:27,021 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:49:27,021 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:49:27,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-27 14:49:27,021 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 45 more)] === [2024-01-27 14:49:27,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:49:27,021 INFO L85 PathProgramCache]: Analyzing trace with hash -77141343, now seen corresponding path program 1 times [2024-01-27 14:49:27,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:49:27,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129228443] [2024-01-27 14:49:27,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:49:27,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:49:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:49:27,093 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 14:49:27,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:49:27,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129228443] [2024-01-27 14:49:27,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129228443] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:49:27,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:49:27,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:49:27,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337340800] [2024-01-27 14:49:27,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:49:27,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:49:27,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:49:27,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:49:27,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:49:27,095 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 90 [2024-01-27 14:49:27,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 67 transitions, 211 flow. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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 14:49:27,096 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:49:27,096 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 90 [2024-01-27 14:49:27,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:49:27,153 INFO L124 PetriNetUnfolderBase]: 46/375 cut-off events. [2024-01-27 14:49:27,153 INFO L125 PetriNetUnfolderBase]: For 169/173 co-relation queries the response was YES. [2024-01-27 14:49:27,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 714 conditions, 375 events. 46/375 cut-off events. For 169/173 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1819 event pairs, 25 based on Foata normal form. 9/371 useless extension candidates. Maximal degree in co-relation 699. Up to 95 conditions per place. [2024-01-27 14:49:27,154 INFO L140 encePairwiseOnDemand]: 82/90 looper letters, 18 selfloop transitions, 7 changer transitions 9/74 dead transitions. [2024-01-27 14:49:27,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 74 transitions, 305 flow [2024-01-27 14:49:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:49:27,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:49:27,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 242 transitions. [2024-01-27 14:49:27,156 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8962962962962963 [2024-01-27 14:49:27,156 INFO L175 Difference]: Start difference. First operand has 76 places, 67 transitions, 211 flow. Second operand 3 states and 242 transitions. [2024-01-27 14:49:27,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 74 transitions, 305 flow [2024-01-27 14:49:27,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 74 transitions, 285 flow, removed 1 selfloop flow, removed 3 redundant places. [2024-01-27 14:49:27,161 INFO L231 Difference]: Finished difference. Result has 74 places, 63 transitions, 204 flow [2024-01-27 14:49:27,161 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=74, PETRI_TRANSITIONS=63} [2024-01-27 14:49:27,162 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -18 predicate places. [2024-01-27 14:49:27,163 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 63 transitions, 204 flow [2024-01-27 14:49:27,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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 14:49:27,163 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:49:27,163 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:49:27,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-27 14:49:27,164 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 45 more)] === [2024-01-27 14:49:27,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:49:27,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1027546975, now seen corresponding path program 2 times [2024-01-27 14:49:27,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:49:27,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514579478] [2024-01-27 14:49:27,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:49:27,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:49:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:49:27,322 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 14:49:27,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:49:27,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514579478] [2024-01-27 14:49:27,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514579478] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:49:27,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:49:27,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-27 14:49:27,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811392644] [2024-01-27 14:49:27,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:49:27,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-27 14:49:27,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:49:27,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-27 14:49:27,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-01-27 14:49:27,323 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 90 [2024-01-27 14:49:27,324 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 63 transitions, 204 flow. Second operand has 5 states, 5 states have (on average 71.2) internal successors, (356), 5 states have internal predecessors, (356), 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 14:49:27,324 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:49:27,324 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 90 [2024-01-27 14:49:27,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:49:27,372 INFO L124 PetriNetUnfolderBase]: 31/264 cut-off events. [2024-01-27 14:49:27,372 INFO L125 PetriNetUnfolderBase]: For 161/163 co-relation queries the response was YES. [2024-01-27 14:49:27,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 264 events. 31/264 cut-off events. For 161/163 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 954 event pairs, 16 based on Foata normal form. 3/260 useless extension candidates. Maximal degree in co-relation 519. Up to 74 conditions per place. [2024-01-27 14:49:27,373 INFO L140 encePairwiseOnDemand]: 85/90 looper letters, 14 selfloop transitions, 5 changer transitions 11/65 dead transitions. [2024-01-27 14:49:27,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 65 transitions, 265 flow [2024-01-27 14:49:27,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:49:27,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:49:27,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 302 transitions. [2024-01-27 14:49:27,374 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8388888888888889 [2024-01-27 14:49:27,374 INFO L175 Difference]: Start difference. First operand has 74 places, 63 transitions, 204 flow. Second operand 4 states and 302 transitions. [2024-01-27 14:49:27,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 65 transitions, 265 flow [2024-01-27 14:49:27,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 65 transitions, 249 flow, removed 4 selfloop flow, removed 1 redundant places. [2024-01-27 14:49:27,377 INFO L231 Difference]: Finished difference. Result has 73 places, 53 transitions, 154 flow [2024-01-27 14:49:27,377 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=154, PETRI_PLACES=73, PETRI_TRANSITIONS=53} [2024-01-27 14:49:27,379 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -19 predicate places. [2024-01-27 14:49:27,379 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 53 transitions, 154 flow [2024-01-27 14:49:27,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 71.2) internal successors, (356), 5 states have internal predecessors, (356), 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 14:49:27,379 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:49:27,379 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:49:27,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-27 14:49:27,379 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 45 more)] === [2024-01-27 14:49:27,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:49:27,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1848454886, now seen corresponding path program 1 times [2024-01-27 14:49:27,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:49:27,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385915875] [2024-01-27 14:49:27,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:49:27,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:49:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:49:27,553 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 14:49:27,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:49:27,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385915875] [2024-01-27 14:49:27,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385915875] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:49:27,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:49:27,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-27 14:49:27,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920084636] [2024-01-27 14:49:27,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:49:27,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-27 14:49:27,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:49:27,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-27 14:49:27,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-01-27 14:49:27,555 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 90 [2024-01-27 14:49:27,556 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 53 transitions, 154 flow. Second operand has 5 states, 5 states have (on average 71.2) internal successors, (356), 5 states have internal predecessors, (356), 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 14:49:27,556 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:49:27,556 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 90 [2024-01-27 14:49:27,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:49:27,573 INFO L124 PetriNetUnfolderBase]: 5/73 cut-off events. [2024-01-27 14:49:27,573 INFO L125 PetriNetUnfolderBase]: For 27/28 co-relation queries the response was YES. [2024-01-27 14:49:27,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 73 events. 5/73 cut-off events. For 27/28 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 136 event pairs, 0 based on Foata normal form. 2/73 useless extension candidates. Maximal degree in co-relation 116. Up to 16 conditions per place. [2024-01-27 14:49:27,574 INFO L140 encePairwiseOnDemand]: 87/90 looper letters, 0 selfloop transitions, 0 changer transitions 38/38 dead transitions. [2024-01-27 14:49:27,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 38 transitions, 127 flow [2024-01-27 14:49:27,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:49:27,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:49:27,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 289 transitions. [2024-01-27 14:49:27,575 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8027777777777778 [2024-01-27 14:49:27,575 INFO L175 Difference]: Start difference. First operand has 73 places, 53 transitions, 154 flow. Second operand 4 states and 289 transitions. [2024-01-27 14:49:27,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 38 transitions, 127 flow [2024-01-27 14:49:27,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 38 transitions, 112 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-01-27 14:49:27,576 INFO L231 Difference]: Finished difference. Result has 47 places, 0 transitions, 0 flow [2024-01-27 14:49:27,576 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=47, PETRI_TRANSITIONS=0} [2024-01-27 14:49:27,577 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -45 predicate places. [2024-01-27 14:49:27,577 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 0 transitions, 0 flow [2024-01-27 14:49:27,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 71.2) internal successors, (356), 5 states have internal predecessors, (356), 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 14:49:27,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 48 remaining) [2024-01-27 14:49:27,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 48 remaining) [2024-01-27 14:49:27,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 48 remaining) [2024-01-27 14:49:27,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 48 remaining) [2024-01-27 14:49:27,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 48 remaining) [2024-01-27 14:49:27,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 48 remaining) [2024-01-27 14:49:27,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 48 remaining) [2024-01-27 14:49:27,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 48 remaining) [2024-01-27 14:49:27,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 48 remaining) [2024-01-27 14:49:27,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 48 remaining) [2024-01-27 14:49:27,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 48 remaining) [2024-01-27 14:49:27,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 48 remaining) [2024-01-27 14:49:27,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (35 of 48 remaining) [2024-01-27 14:49:27,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 48 remaining) [2024-01-27 14:49:27,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 48 remaining) [2024-01-27 14:49:27,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 48 remaining) [2024-01-27 14:49:27,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 48 remaining) [2024-01-27 14:49:27,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 48 remaining) [2024-01-27 14:49:27,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 48 remaining) [2024-01-27 14:49:27,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 48 remaining) [2024-01-27 14:49:27,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 48 remaining) [2024-01-27 14:49:27,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 48 remaining) [2024-01-27 14:49:27,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 48 remaining) [2024-01-27 14:49:27,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 48 remaining) [2024-01-27 14:49:27,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 48 remaining) [2024-01-27 14:49:27,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 48 remaining) [2024-01-27 14:49:27,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 48 remaining) [2024-01-27 14:49:27,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 48 remaining) [2024-01-27 14:49:27,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 48 remaining) [2024-01-27 14:49:27,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 48 remaining) [2024-01-27 14:49:27,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 48 remaining) [2024-01-27 14:49:27,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 48 remaining) [2024-01-27 14:49:27,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 48 remaining) [2024-01-27 14:49:27,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 48 remaining) [2024-01-27 14:49:27,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 48 remaining) [2024-01-27 14:49:27,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 48 remaining) [2024-01-27 14:49:27,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 48 remaining) [2024-01-27 14:49:27,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 48 remaining) [2024-01-27 14:49:27,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 48 remaining) [2024-01-27 14:49:27,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 48 remaining) [2024-01-27 14:49:27,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 48 remaining) [2024-01-27 14:49:27,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 48 remaining) [2024-01-27 14:49:27,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 48 remaining) [2024-01-27 14:49:27,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 48 remaining) [2024-01-27 14:49:27,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 48 remaining) [2024-01-27 14:49:27,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 48 remaining) [2024-01-27 14:49:27,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 48 remaining) [2024-01-27 14:49:27,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 48 remaining) [2024-01-27 14:49:27,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-27 14:49:27,584 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:49:27,588 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-27 14:49:27,588 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-27 14:49:27,591 INFO L503 ceAbstractionStarter]: Automizer considered 30 witness invariants [2024-01-27 14:49:27,591 INFO L504 ceAbstractionStarter]: WitnessConsidered=30 [2024-01-27 14:49:27,592 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 02:49:27 BasicIcfg [2024-01-27 14:49:27,592 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-27 14:49:27,592 INFO L158 Benchmark]: Toolchain (without parser) took 3579.30ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 136.7MB in the beginning and 128.2MB in the end (delta: 8.5MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-01-27 14:49:27,592 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:49:27,592 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:49:27,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.48ms. Allocated memory is still 167.8MB. Free memory was 136.5MB in the beginning and 117.8MB in the end (delta: 18.7MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-01-27 14:49:27,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.37ms. Allocated memory is still 167.8MB. Free memory was 117.8MB in the beginning and 115.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 14:49:27,593 INFO L158 Benchmark]: Boogie Preprocessor took 30.34ms. Allocated memory is still 167.8MB. Free memory was 115.6MB in the beginning and 113.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:49:27,593 INFO L158 Benchmark]: RCFGBuilder took 436.17ms. Allocated memory is still 167.8MB. Free memory was 113.6MB in the beginning and 84.3MB in the end (delta: 29.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-01-27 14:49:27,593 INFO L158 Benchmark]: TraceAbstraction took 2622.76ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 84.3MB in the beginning and 128.2MB in the end (delta: -44.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:49:27,594 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.48ms. Allocated memory is still 167.8MB. Free memory was 136.5MB in the beginning and 117.8MB in the end (delta: 18.7MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.37ms. Allocated memory is still 167.8MB. Free memory was 117.8MB in the beginning and 115.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.34ms. Allocated memory is still 167.8MB. Free memory was 115.6MB in the beginning and 113.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 436.17ms. Allocated memory is still 167.8MB. Free memory was 113.6MB in the beginning and 84.3MB in the end (delta: 29.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2622.76ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 84.3MB in the beginning and 128.2MB in the end (delta: -44.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 694]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 696]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 696]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 696]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 696]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 697]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 697]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 697]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 697]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 698]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 699]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 700]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 701]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 702]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 685]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 686]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 686]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 686]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 686]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 686]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 687]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 687]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 687]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 687]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 687]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 688]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 688]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 689]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 689]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 690]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 133 locations, 48 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.5s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 622 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 318 mSDsluCounter, 176 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 53 mSDsCounter, 124 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 743 IncrementalHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 124 mSolverCounterUnsat, 123 mSDtfsCounter, 743 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=245occurred in iteration=3, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 213 NumberOfCodeBlocks, 213 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 204 ConstructedInterpolants, 0 QuantifiedInterpolants, 801 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 31 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-01-27 14:49:27,613 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE