./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.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_41-traces-ex-7_unknown_1_neg.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8857f20b 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_41-traces-ex-7_unknown_1_neg.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_41-traces-ex-7_unknown_1_neg.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-8857f20-m [2024-01-29 23:21:28,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 23:21:28,791 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 23:21:28,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 23:21:28,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 23:21:28,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 23:21:28,819 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 23:21:28,820 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 23:21:28,820 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 23:21:28,823 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 23:21:28,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 23:21:28,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 23:21:28,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 23:21:28,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 23:21:28,826 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 23:21:28,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 23:21:28,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 23:21:28,827 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 23:21:28,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 23:21:28,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 23:21:28,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 23:21:28,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 23:21:28,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 23:21:28,828 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 23:21:28,828 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 23:21:28,829 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 23:21:28,829 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 23:21:28,829 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 23:21:28,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 23:21:28,830 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 23:21:28,831 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 23:21:28,831 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 23:21:28,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 23:21:28,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 23:21:28,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 23:21:28,832 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 23:21:28,832 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 23:21:28,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 23:21:28,832 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 23:21:28,832 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 23:21:28,832 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 23:21:28,833 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 23:21:28,833 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 23:21:28,833 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 23:21:29,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 23:21:29,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 23:21:29,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 23:21:29,113 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 23:21:29,113 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 23:21:29,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-01-29 23:21:30,249 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 23:21:30,472 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 23:21:30,472 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-01-29 23:21:30,483 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e4b4b5f9/8b7146b476f44c86be7a1263fe99e0d3/FLAG7649c3e2c [2024-01-29 23:21:30,493 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e4b4b5f9/8b7146b476f44c86be7a1263fe99e0d3 [2024-01-29 23:21:30,498 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 23:21:30,499 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 23:21:30,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_41-traces-ex-7_unknown_1_neg.yml/witness.yml [2024-01-29 23:21:30,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 23:21:30,622 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 23:21:30,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 23:21:30,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 23:21:30,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 23:21:30,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:21:30" (1/2) ... [2024-01-29 23:21:30,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a2012e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:30, skipping insertion in model container [2024-01-29 23:21:30,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:21:30" (1/2) ... [2024-01-29 23:21:30,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5546340c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:30, skipping insertion in model container [2024-01-29 23:21:30,645 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 11:21:30" (2/2) ... [2024-01-29 23:21:30,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a2012e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:30, skipping insertion in model container [2024-01-29 23:21:30,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 11:21:30" (2/2) ... [2024-01-29 23:21:30,646 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 23:21:30,695 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 23:21:30,697 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] (0 <= g) && (g <= 17) [2024-01-29 23:21:30,697 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] 0 <= g [2024-01-29 23:21:30,697 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] ((0 <= g) && (g <= 17)) && (g == 0 || g == 17) [2024-01-29 23:21:30,697 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] ((0 <= g) && (g <= 17)) && (g % 17 == 0) [2024-01-29 23:21:30,698 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] ((0 <= g) && (g <= 17)) && (g <= 127) [2024-01-29 23:21:30,699 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] 0 <= g [2024-01-29 23:21:30,699 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (0 <= g) && (g % 17 == 0) [2024-01-29 23:21:30,699 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (0 <= g) && (g <= 127) [2024-01-29 23:21:30,699 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (0 <= g) && (g <= 17) [2024-01-29 23:21:30,699 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (0 <= g) && (g == 0 || g == 17) [2024-01-29 23:21:30,699 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (0 <= g) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:30,699 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] ((0 <= g) && ((unsigned long )arg == 0UL)) && (g == 0 || g == 17) [2024-01-29 23:21:30,700 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] 0 <= g [2024-01-29 23:21:30,700 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (0 <= g) && (g <= 17) [2024-01-29 23:21:30,700 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (0 <= g) && (g <= 127) [2024-01-29 23:21:30,700 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (0 <= g) && (g % 17 == 0) [2024-01-29 23:21:30,700 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (g == 17) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:30,700 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] g == 17 [2024-01-29 23:21:30,700 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] 0 <= g [2024-01-29 23:21:30,701 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] (0 <= g) && (g <= 17) [2024-01-29 23:21:30,701 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] (0 <= g) && (g == 0 || g == 17) [2024-01-29 23:21:30,701 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] (0 <= g) && (g <= 127) [2024-01-29 23:21:30,701 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] (0 <= g) && (g % 17 == 0) [2024-01-29 23:21:30,701 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] ((0 <= g) && (g <= 127)) && (g <= 127) [2024-01-29 23:21:30,702 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] (((0 <= g) && (g <= 127)) && (g <= 127)) && (g % 17 == 0) [2024-01-29 23:21:30,702 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] ((0 <= g) && (g <= 127)) && (g % 17 == 0) [2024-01-29 23:21:30,702 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] ((0 <= g) && (g <= 127)) && (g == 0 || g == 17) [2024-01-29 23:21:30,712 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] ((0 <= g) && (g <= 127)) && (g == 0 || g == 17) [2024-01-29 23:21:30,712 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] 0 <= g [2024-01-29 23:21:30,712 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] (((0 <= g) && (g <= 127)) && (g <= 127)) && (g == 0 || g == 17) [2024-01-29 23:21:30,713 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] (0 <= g) && (g <= 127) [2024-01-29 23:21:30,713 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] ((0 <= g) && (g <= 127)) && (g <= 17) [2024-01-29 23:21:30,713 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] ((0 <= g) && (g <= 127)) && (g <= 17) [2024-01-29 23:21:30,713 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] ((0 <= g) && (g <= 127)) && (0 <= g) [2024-01-29 23:21:30,713 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] ((0 <= g) && (g <= 127)) && (g <= 127) [2024-01-29 23:21:30,713 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] ((0 <= g) && (g <= 127)) && (g % 17 == 0) [2024-01-29 23:21:30,713 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] (0 <= g) && (g <= 17) [2024-01-29 23:21:30,713 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] ((0 <= g) && (g <= 127)) && (0 <= g) [2024-01-29 23:21:30,715 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (g == 17) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:30,715 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] g == 17 [2024-01-29 23:21:30,715 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] (0 <= g) && (g <= 127) [2024-01-29 23:21:30,715 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] ((0 <= g) && (g <= 127)) && (g % 17 == 0) [2024-01-29 23:21:30,715 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] ((0 <= g) && (g <= 127)) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:30,715 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] 0 <= g [2024-01-29 23:21:30,716 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] (0 <= g) && (g <= 17) [2024-01-29 23:21:30,716 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] ((0 <= g) && (g <= 127)) && (g == 0 || g == 17) [2024-01-29 23:21:30,716 INFO L98 nessWitnessExtractor]: Location invariant before [L694-L694] g == 0 [2024-01-29 23:21:30,716 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (unsigned long )arg == 0UL [2024-01-29 23:21:30,716 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] ((0 <= g) && (g <= 127)) && (g % 17 == 0) [2024-01-29 23:21:30,716 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] (((0 <= g) && (g <= 127)) && (g % 17 == 0)) && (g == 0 || g == 17) [2024-01-29 23:21:30,716 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] (0 <= g) && (g <= 127) [2024-01-29 23:21:30,717 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] 0 <= g [2024-01-29 23:21:30,717 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] (0 <= g) && (g <= 17) [2024-01-29 23:21:30,717 INFO L98 nessWitnessExtractor]: Location invariant before [L685-L685] (unsigned long )arg == 0UL [2024-01-29 23:21:30,753 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 23:21:30,896 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_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2024-01-29 23:21:31,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 23:21:31,041 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 23:21:31,051 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_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2024-01-29 23:21:31,051 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 23:21:31,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 23:21:31,165 INFO L206 MainTranslator]: Completed translation [2024-01-29 23:21:31,165 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:31 WrapperNode [2024-01-29 23:21:31,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 23:21:31,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 23:21:31,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 23:21:31,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 23:21:31,172 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 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,181 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 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,199 INFO L138 Inliner]: procedures = 163, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-01-29 23:21:31,199 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 23:21:31,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 23:21:31,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 23:21:31,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 23:21:31,209 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,212 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,230 INFO L175 MemorySlicer]: Split 13 memory accesses to 4 slices as follows [2, 5, 5, 1]. 38 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5, 0]. The 1 writes are split as follows [0, 0, 0, 1]. [2024-01-29 23:21:31,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,243 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,244 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 23:21:31,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 23:21:31,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 23:21:31,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 23:21:31,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:31" (1/1) ... [2024-01-29 23:21:31,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 23:21:31,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 23:21:31,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-29 23:21:31,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-29 23:21:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 23:21:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 23:21:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 23:21:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 23:21:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-29 23:21:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 23:21:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 23:21:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-29 23:21:31,416 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-29 23:21:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 23:21:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 23:21:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 23:21:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 23:21:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 23:21:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-29 23:21:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 23:21:31,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 23:21:31,417 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 23:21:31,521 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 23:21:31,523 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 23:21:31,737 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 23:21:31,737 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 23:21:31,812 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 23:21:31,812 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-29 23:21:31,812 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:21:31 BoogieIcfgContainer [2024-01-29 23:21:31,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 23:21:31,814 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 23:21:31,814 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 23:21:31,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 23:21:31,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 11:21:30" (1/4) ... [2024-01-29 23:21:31,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b090ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:21:31, skipping insertion in model container [2024-01-29 23:21:31,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 11:21:30" (2/4) ... [2024-01-29 23:21:31,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b090ed and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 11:21:31, skipping insertion in model container [2024-01-29 23:21:31,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:31" (3/4) ... [2024-01-29 23:21:31,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b090ed and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 11:21:31, skipping insertion in model container [2024-01-29 23:21:31,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:21:31" (4/4) ... [2024-01-29 23:21:31,820 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-01-29 23:21:31,833 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 23:21:31,833 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2024-01-29 23:21:31,833 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 23:21:31,910 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-29 23:21:31,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 105 places, 102 transitions, 208 flow [2024-01-29 23:21:32,008 INFO L124 PetriNetUnfolderBase]: 1/101 cut-off events. [2024-01-29 23:21:32,008 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 23:21:32,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 101 events. 1/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 206 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2024-01-29 23:21:32,012 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 102 transitions, 208 flow [2024-01-29 23:21:32,036 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 101 transitions, 205 flow [2024-01-29 23:21:32,047 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 23:21:32,055 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;@66232a3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 23:21:32,055 INFO L358 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2024-01-29 23:21:32,057 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 23:21:32,058 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 23:21:32,058 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 23:21:32,058 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:21:32,058 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 23:21:32,059 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 56 more)] === [2024-01-29 23:21:32,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:21:32,063 INFO L85 PathProgramCache]: Analyzing trace with hash 8808, now seen corresponding path program 1 times [2024-01-29 23:21:32,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:21:32,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152754517] [2024-01-29 23:21:32,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:21:32,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:21:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:21:32,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 23:21:32,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:21:32,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152754517] [2024-01-29 23:21:32,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152754517] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:21:32,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:21:32,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 23:21:32,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363485725] [2024-01-29 23:21:32,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:21:32,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 23:21:32,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:21:32,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 23:21:32,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 23:21:32,326 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 102 [2024-01-29 23:21:32,329 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 101 transitions, 205 flow. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 23:21:32,329 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:21:32,329 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 102 [2024-01-29 23:21:32,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 23:21:32,545 INFO L124 PetriNetUnfolderBase]: 210/698 cut-off events. [2024-01-29 23:21:32,545 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 23:21:32,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1163 conditions, 698 events. 210/698 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 4736 event pairs, 154 based on Foata normal form. 115/785 useless extension candidates. Maximal degree in co-relation 1152. Up to 421 conditions per place. [2024-01-29 23:21:32,552 INFO L140 encePairwiseOnDemand]: 69/102 looper letters, 45 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2024-01-29 23:21:32,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 97 transitions, 291 flow [2024-01-29 23:21:32,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 23:21:32,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 23:21:32,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 232 transitions. [2024-01-29 23:21:32,568 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7581699346405228 [2024-01-29 23:21:32,570 INFO L175 Difference]: Start difference. First operand has 104 places, 101 transitions, 205 flow. Second operand 3 states and 232 transitions. [2024-01-29 23:21:32,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 97 transitions, 291 flow [2024-01-29 23:21:32,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 97 transitions, 290 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 23:21:32,581 INFO L231 Difference]: Finished difference. Result has 96 places, 90 transitions, 228 flow [2024-01-29 23:21:32,583 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=96, PETRI_TRANSITIONS=90} [2024-01-29 23:21:32,586 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -8 predicate places. [2024-01-29 23:21:32,587 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 90 transitions, 228 flow [2024-01-29 23:21:32,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 23:21:32,587 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:21:32,587 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-29 23:21:32,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 23:21:32,588 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 56 more)] === [2024-01-29 23:21:32,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:21:32,588 INFO L85 PathProgramCache]: Analyzing trace with hash 262789893, now seen corresponding path program 1 times [2024-01-29 23:21:32,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:21:32,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517308664] [2024-01-29 23:21:32,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:21:32,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:21:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:21:32,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 23:21:32,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:21:32,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517308664] [2024-01-29 23:21:32,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517308664] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:21:32,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:21:32,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 23:21:32,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960026812] [2024-01-29 23:21:32,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:21:32,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 23:21:32,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:21:32,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 23:21:32,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 23:21:32,810 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 102 [2024-01-29 23:21:32,811 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 90 transitions, 228 flow. Second operand has 4 states, 4 states have (on average 83.25) internal successors, (333), 4 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 23:21:32,812 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:21:32,812 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 102 [2024-01-29 23:21:32,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 23:21:32,878 INFO L124 PetriNetUnfolderBase]: 49/375 cut-off events. [2024-01-29 23:21:32,879 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-01-29 23:21:32,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 533 conditions, 375 events. 49/375 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1962 event pairs, 0 based on Foata normal form. 8/322 useless extension candidates. Maximal degree in co-relation 520. Up to 105 conditions per place. [2024-01-29 23:21:32,885 INFO L140 encePairwiseOnDemand]: 98/102 looper letters, 22 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2024-01-29 23:21:32,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 95 transitions, 286 flow [2024-01-29 23:21:32,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 23:21:32,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 23:21:32,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 354 transitions. [2024-01-29 23:21:32,889 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8676470588235294 [2024-01-29 23:21:32,889 INFO L175 Difference]: Start difference. First operand has 96 places, 90 transitions, 228 flow. Second operand 4 states and 354 transitions. [2024-01-29 23:21:32,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 95 transitions, 286 flow [2024-01-29 23:21:32,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 95 transitions, 282 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 23:21:32,893 INFO L231 Difference]: Finished difference. Result has 95 places, 88 transitions, 224 flow [2024-01-29 23:21:32,893 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=224, PETRI_PLACES=95, PETRI_TRANSITIONS=88} [2024-01-29 23:21:32,894 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -9 predicate places. [2024-01-29 23:21:32,894 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 88 transitions, 224 flow [2024-01-29 23:21:32,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 83.25) internal successors, (333), 4 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 23:21:32,895 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:21:32,895 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 23:21:32,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 23:21:32,895 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 56 more)] === [2024-01-29 23:21:32,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:21:32,896 INFO L85 PathProgramCache]: Analyzing trace with hash -2078137567, now seen corresponding path program 1 times [2024-01-29 23:21:32,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:21:32,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886660394] [2024-01-29 23:21:32,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:21:32,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:21:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:21:33,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 23:21:33,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:21:33,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886660394] [2024-01-29 23:21:33,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886660394] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:21:33,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:21:33,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 23:21:33,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769516728] [2024-01-29 23:21:33,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:21:33,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 23:21:33,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:21:33,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 23:21:33,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 23:21:33,127 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 102 [2024-01-29 23:21:33,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 88 transitions, 224 flow. Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 23:21:33,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:21:33,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 102 [2024-01-29 23:21:33,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 23:21:33,232 INFO L124 PetriNetUnfolderBase]: 245/731 cut-off events. [2024-01-29 23:21:33,232 INFO L125 PetriNetUnfolderBase]: For 147/147 co-relation queries the response was YES. [2024-01-29 23:21:33,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1449 conditions, 731 events. 245/731 cut-off events. For 147/147 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 4649 event pairs, 147 based on Foata normal form. 0/725 useless extension candidates. Maximal degree in co-relation 1436. Up to 421 conditions per place. [2024-01-29 23:21:33,236 INFO L140 encePairwiseOnDemand]: 96/102 looper letters, 56 selfloop transitions, 3 changer transitions 0/99 dead transitions. [2024-01-29 23:21:33,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 99 transitions, 364 flow [2024-01-29 23:21:33,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 23:21:33,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 23:21:33,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 226 transitions. [2024-01-29 23:21:33,237 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.553921568627451 [2024-01-29 23:21:33,237 INFO L175 Difference]: Start difference. First operand has 95 places, 88 transitions, 224 flow. Second operand 4 states and 226 transitions. [2024-01-29 23:21:33,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 99 transitions, 364 flow [2024-01-29 23:21:33,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 99 transitions, 361 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 23:21:33,239 INFO L231 Difference]: Finished difference. Result has 93 places, 85 transitions, 221 flow [2024-01-29 23:21:33,240 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=221, PETRI_PLACES=93, PETRI_TRANSITIONS=85} [2024-01-29 23:21:33,240 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -11 predicate places. [2024-01-29 23:21:33,240 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 85 transitions, 221 flow [2024-01-29 23:21:33,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 23:21:33,241 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:21:33,241 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 23:21:33,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 23:21:33,241 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 56 more)] === [2024-01-29 23:21:33,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:21:33,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1206681078, now seen corresponding path program 1 times [2024-01-29 23:21:33,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:21:33,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944218221] [2024-01-29 23:21:33,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:21:33,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:21:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:21:33,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 23:21:33,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:21:33,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944218221] [2024-01-29 23:21:33,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944218221] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:21:33,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:21:33,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 23:21:33,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750016341] [2024-01-29 23:21:33,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:21:33,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 23:21:33,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:21:33,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 23:21:33,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 23:21:33,334 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 102 [2024-01-29 23:21:33,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 85 transitions, 221 flow. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 23:21:33,334 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:21:33,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 102 [2024-01-29 23:21:33,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 23:21:33,382 INFO L124 PetriNetUnfolderBase]: 70/279 cut-off events. [2024-01-29 23:21:33,382 INFO L125 PetriNetUnfolderBase]: For 148/148 co-relation queries the response was YES. [2024-01-29 23:21:33,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 464 conditions, 279 events. 70/279 cut-off events. For 148/148 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1298 event pairs, 14 based on Foata normal form. 160/431 useless extension candidates. Maximal degree in co-relation 451. Up to 120 conditions per place. [2024-01-29 23:21:33,383 INFO L140 encePairwiseOnDemand]: 79/102 looper letters, 26 selfloop transitions, 1 changer transitions 0/70 dead transitions. [2024-01-29 23:21:33,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 70 transitions, 205 flow [2024-01-29 23:21:33,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 23:21:33,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 23:21:33,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 199 transitions. [2024-01-29 23:21:33,385 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6503267973856209 [2024-01-29 23:21:33,385 INFO L175 Difference]: Start difference. First operand has 93 places, 85 transitions, 221 flow. Second operand 3 states and 199 transitions. [2024-01-29 23:21:33,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 70 transitions, 205 flow [2024-01-29 23:21:33,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 70 transitions, 197 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-29 23:21:33,386 INFO L231 Difference]: Finished difference. Result has 69 places, 63 transitions, 131 flow [2024-01-29 23:21:33,387 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=131, PETRI_PLACES=69, PETRI_TRANSITIONS=63} [2024-01-29 23:21:33,387 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -35 predicate places. [2024-01-29 23:21:33,387 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 63 transitions, 131 flow [2024-01-29 23:21:33,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 23:21:33,388 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:21:33,388 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] [2024-01-29 23:21:33,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 23:21:33,388 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 56 more)] === [2024-01-29 23:21:33,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:21:33,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1247592629, now seen corresponding path program 1 times [2024-01-29 23:21:33,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:21:33,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056257572] [2024-01-29 23:21:33,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:21:33,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:21:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:21:33,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 23:21:33,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:21:33,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056257572] [2024-01-29 23:21:33,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056257572] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:21:33,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:21:33,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 23:21:33,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594866410] [2024-01-29 23:21:33,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:21:33,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 23:21:33,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:21:33,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 23:21:33,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 23:21:33,530 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 102 [2024-01-29 23:21:33,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 63 transitions, 131 flow. Second operand has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 23:21:33,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:21:33,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 102 [2024-01-29 23:21:33,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 23:21:33,617 INFO L124 PetriNetUnfolderBase]: 105/379 cut-off events. [2024-01-29 23:21:33,617 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-01-29 23:21:33,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 635 conditions, 379 events. 105/379 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1918 event pairs, 7 based on Foata normal form. 0/373 useless extension candidates. Maximal degree in co-relation 624. Up to 120 conditions per place. [2024-01-29 23:21:33,619 INFO L140 encePairwiseOnDemand]: 98/102 looper letters, 31 selfloop transitions, 2 changer transitions 10/75 dead transitions. [2024-01-29 23:21:33,619 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 75 transitions, 233 flow [2024-01-29 23:21:33,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 23:21:33,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 23:21:33,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 193 transitions. [2024-01-29 23:21:33,620 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4730392156862745 [2024-01-29 23:21:33,620 INFO L175 Difference]: Start difference. First operand has 69 places, 63 transitions, 131 flow. Second operand 4 states and 193 transitions. [2024-01-29 23:21:33,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 75 transitions, 233 flow [2024-01-29 23:21:33,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 75 transitions, 232 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 23:21:33,622 INFO L231 Difference]: Finished difference. Result has 69 places, 55 transitions, 118 flow [2024-01-29 23:21:33,622 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=118, PETRI_PLACES=69, PETRI_TRANSITIONS=55} [2024-01-29 23:21:33,622 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -35 predicate places. [2024-01-29 23:21:33,623 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 55 transitions, 118 flow [2024-01-29 23:21:33,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 23:21:33,623 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:21:33,623 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 23:21:33,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 23:21:33,623 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 56 more)] === [2024-01-29 23:21:33,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:21:33,624 INFO L85 PathProgramCache]: Analyzing trace with hash 2137343101, now seen corresponding path program 1 times [2024-01-29 23:21:33,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:21:33,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293171087] [2024-01-29 23:21:33,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:21:33,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:21:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 23:21:33,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 23:21:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 23:21:33,661 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 23:21:33,661 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 23:21:33,662 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (58 of 59 remaining) [2024-01-29 23:21:33,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 59 remaining) [2024-01-29 23:21:33,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 59 remaining) [2024-01-29 23:21:33,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 59 remaining) [2024-01-29 23:21:33,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 59 remaining) [2024-01-29 23:21:33,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 59 remaining) [2024-01-29 23:21:33,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 59 remaining) [2024-01-29 23:21:33,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 59 remaining) [2024-01-29 23:21:33,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 59 remaining) [2024-01-29 23:21:33,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 59 remaining) [2024-01-29 23:21:33,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 59 remaining) [2024-01-29 23:21:33,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 59 remaining) [2024-01-29 23:21:33,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 59 remaining) [2024-01-29 23:21:33,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 59 remaining) [2024-01-29 23:21:33,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 59 remaining) [2024-01-29 23:21:33,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 59 remaining) [2024-01-29 23:21:33,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 59 remaining) [2024-01-29 23:21:33,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 59 remaining) [2024-01-29 23:21:33,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 59 remaining) [2024-01-29 23:21:33,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 59 remaining) [2024-01-29 23:21:33,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 59 remaining) [2024-01-29 23:21:33,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 59 remaining) [2024-01-29 23:21:33,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 59 remaining) [2024-01-29 23:21:33,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 59 remaining) [2024-01-29 23:21:33,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 59 remaining) [2024-01-29 23:21:33,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 59 remaining) [2024-01-29 23:21:33,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 59 remaining) [2024-01-29 23:21:33,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 59 remaining) [2024-01-29 23:21:33,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 59 remaining) [2024-01-29 23:21:33,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 59 remaining) [2024-01-29 23:21:33,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 59 remaining) [2024-01-29 23:21:33,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 59 remaining) [2024-01-29 23:21:33,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 59 remaining) [2024-01-29 23:21:33,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 59 remaining) [2024-01-29 23:21:33,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 59 remaining) [2024-01-29 23:21:33,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 59 remaining) [2024-01-29 23:21:33,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 59 remaining) [2024-01-29 23:21:33,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 59 remaining) [2024-01-29 23:21:33,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 59 remaining) [2024-01-29 23:21:33,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 59 remaining) [2024-01-29 23:21:33,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 59 remaining) [2024-01-29 23:21:33,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 59 remaining) [2024-01-29 23:21:33,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 59 remaining) [2024-01-29 23:21:33,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 59 remaining) [2024-01-29 23:21:33,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 59 remaining) [2024-01-29 23:21:33,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 59 remaining) [2024-01-29 23:21:33,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 59 remaining) [2024-01-29 23:21:33,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 59 remaining) [2024-01-29 23:21:33,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 59 remaining) [2024-01-29 23:21:33,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 59 remaining) [2024-01-29 23:21:33,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 59 remaining) [2024-01-29 23:21:33,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 59 remaining) [2024-01-29 23:21:33,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 59 remaining) [2024-01-29 23:21:33,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 59 remaining) [2024-01-29 23:21:33,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 59 remaining) [2024-01-29 23:21:33,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 59 remaining) [2024-01-29 23:21:33,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 59 remaining) [2024-01-29 23:21:33,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 59 remaining) [2024-01-29 23:21:33,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 59 remaining) [2024-01-29 23:21:33,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-29 23:21:33,674 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-01-29 23:21:33,679 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 23:21:33,680 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 23:21:33,701 INFO L503 ceAbstractionStarter]: Automizer considered 39 witness invariants [2024-01-29 23:21:33,701 INFO L504 ceAbstractionStarter]: WitnessConsidered=39 [2024-01-29 23:21:33,701 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 11:21:33 BasicIcfg [2024-01-29 23:21:33,702 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 23:21:33,702 INFO L158 Benchmark]: Toolchain (without parser) took 3080.17ms. Allocated memory was 113.2MB in the beginning and 239.1MB in the end (delta: 125.8MB). Free memory was 51.9MB in the beginning and 182.9MB in the end (delta: -131.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 23:21:33,702 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 23:21:33,702 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 113.2MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 23:21:33,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.24ms. Allocated memory is still 188.7MB. Free memory was 160.8MB in the beginning and 136.6MB in the end (delta: 24.2MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2024-01-29 23:21:33,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.08ms. Allocated memory is still 188.7MB. Free memory was 136.6MB in the beginning and 134.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 23:21:33,703 INFO L158 Benchmark]: Boogie Preprocessor took 50.04ms. Allocated memory is still 188.7MB. Free memory was 134.4MB in the beginning and 132.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 23:21:33,703 INFO L158 Benchmark]: RCFGBuilder took 562.39ms. Allocated memory is still 188.7MB. Free memory was 132.2MB in the beginning and 100.0MB in the end (delta: 32.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-01-29 23:21:33,704 INFO L158 Benchmark]: TraceAbstraction took 1887.33ms. Allocated memory was 188.7MB in the beginning and 239.1MB in the end (delta: 50.3MB). Free memory was 100.0MB in the beginning and 182.9MB in the end (delta: -82.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 23:21:33,705 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.21ms. Allocated memory is still 113.2MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.24ms. Allocated memory is still 188.7MB. Free memory was 160.8MB in the beginning and 136.6MB in the end (delta: 24.2MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.08ms. Allocated memory is still 188.7MB. Free memory was 136.6MB in the beginning and 134.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.04ms. Allocated memory is still 188.7MB. Free memory was 134.4MB in the beginning and 132.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 562.39ms. Allocated memory is still 188.7MB. Free memory was 132.2MB in the beginning and 100.0MB in the end (delta: 32.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1887.33ms. Allocated memory was 188.7MB in the beginning and 239.1MB in the end (delta: 50.3MB). Free memory was 100.0MB in the beginning and 182.9MB in the end (delta: -82.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int g = 0; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L693] 0 pthread_t id; VAL [A={3:0}, D={4:0}, g=0, id={5:0}] [L694] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[0]]]] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L696] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]],BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[17]]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L696] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L696] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]],BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[127]]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L696] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]],BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[127]]],BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[g],IntegerLiteral[17]],IntegerLiteral[0]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[17]]]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L696] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]],BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[127]]],BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[g],IntegerLiteral[17]],IntegerLiteral[0]]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L697] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[17]]]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L697] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]],BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[17]]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L697] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]],BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[127]]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L697] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]],BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[g],IntegerLiteral[17]],IntegerLiteral[0]]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L697] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L698] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]],BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[17]]],BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[127]]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L698] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]],BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[17]]],BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[g],IntegerLiteral[17]],IntegerLiteral[0]]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L698] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]],BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[17]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[17]]]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L698] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L698] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]],BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[17]]]]] [L698] CALL 0 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 0 !(cond) VAL [A={3:0}, D={4:0}, \old(cond)=0, arg={0:0}, cond=0, g=0] [L19] 0 reach_error() VAL [A={3:0}, D={4:0}, \old(cond)=0, arg={0:0}, cond=0, g=0] - UnprovableResult [Line: 694]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 685]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 149 locations, 59 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: 1.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 722 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 438 mSDsluCounter, 79 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 153 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 611 IncrementalHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 153 mSolverCounterUnsat, 49 mSDtfsCounter, 611 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=1, InterpolantAutomatonStates: 18, 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, 0.3s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 369 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 RESULT: Ultimate proved your program to be incorrect! [2024-01-29 23:21:33,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE