./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-file-item-trans.wvr.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/weaver/chl-file-item-trans.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-file-item-trans.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-8857f20-m [2024-01-29 22:56:32,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 22:56:32,942 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 22:56:32,947 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 22:56:32,947 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 22:56:32,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 22:56:32,973 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 22:56:32,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 22:56:32,973 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 22:56:32,977 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 22:56:32,977 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 22:56:32,977 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 22:56:32,978 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 22:56:32,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 22:56:32,979 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 22:56:32,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 22:56:32,980 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 22:56:32,980 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 22:56:32,980 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 22:56:32,981 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 22:56:32,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 22:56:32,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 22:56:32,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 22:56:32,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 22:56:32,983 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 22:56:32,983 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 22:56:32,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 22:56:32,983 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 22:56:32,984 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 22:56:32,984 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 22:56:32,985 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 22:56:32,985 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 22:56:32,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:56:32,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 22:56:32,986 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 22:56:32,986 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 22:56:32,986 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 22:56:32,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 22:56:32,986 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 22:56:32,986 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 22:56:32,987 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 22:56:32,987 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 22:56:32,987 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 22:56:32,987 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 22:56:33,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 22:56:33,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 22:56:33,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 22:56:33,249 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 22:56:33,249 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 22:56:33,250 INFO L431 ainManager$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/chl-file-item-trans.wvr.yml/witness.yml [2024-01-29 22:56:33,378 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 22:56:33,379 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 22:56:33,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c [2024-01-29 22:56:34,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 22:56:34,630 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 22:56:34,630 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c [2024-01-29 22:56:34,636 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/094d7df58/dfb2de2068e144f0a5d99caf1afa00b4/FLAG97c4cb90c [2024-01-29 22:56:34,646 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/094d7df58/dfb2de2068e144f0a5d99caf1afa00b4 [2024-01-29 22:56:34,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 22:56:34,648 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 22:56:34,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 22:56:34,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 22:56:34,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 22:56:34,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:56:33" (1/2) ... [2024-01-29 22:56:34,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da1caef and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:56:34, skipping insertion in model container [2024-01-29 22:56:34,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:56:33" (1/2) ... [2024-01-29 22:56:34,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49b66c3c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:56:34, skipping insertion in model container [2024-01-29 22:56:34,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:56:34" (2/2) ... [2024-01-29 22:56:34,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da1caef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:56:34, skipping insertion in model container [2024-01-29 22:56:34,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:56:34" (2/2) ... [2024-01-29 22:56:34,656 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 22:56:34,680 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 22:56:34,681 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL) [2024-01-29 22:56:34,681 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL) [2024-01-29 22:56:34,681 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (result_10 == 0) [2024-01-29 22:56:34,682 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (filename_5 == (_Bool)0) [2024-01-29 22:56:34,682 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (filename_8 == (_Bool)0) [2024-01-29 22:56:34,682 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (isNull_6 == (_Bool)0) [2024-01-29 22:56:34,682 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (isNull_0 == (_Bool)0) [2024-01-29 22:56:34,682 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (result_9 == 0) [2024-01-29 22:56:34,682 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (filename_2 == (_Bool)0) [2024-01-29 22:56:34,682 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL) [2024-01-29 22:56:34,683 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (result_11 == 0) [2024-01-29 22:56:34,683 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL [2024-01-29 22:56:34,683 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (isNull_3 == (_Bool)0) [2024-01-29 22:56:34,683 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (result_9 == 0) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1) [2024-01-29 22:56:34,683 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] result_9 == 0 [2024-01-29 22:56:34,683 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] ((result_9 == 0) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1)) && (filename_2 == (_Bool)0 || filename_2 == (_Bool)1) [2024-01-29 22:56:34,683 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (result_9 == 0) && (result_11 == 0) [2024-01-29 22:56:34,684 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] ((result_9 == 0) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1)) && (filename_8 == (_Bool)0 || filename_8 == (_Bool)1) [2024-01-29 22:56:34,684 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (result_9 == 0) && (result_10 == 0) [2024-01-29 22:56:34,684 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] ((result_9 == 0) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1)) && (isNull_3 == (_Bool)0 || isNull_3 == (_Bool)1) [2024-01-29 22:56:34,684 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] ((result_9 == 0) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1)) && (filename_5 == (_Bool)0 || filename_5 == (_Bool)1) [2024-01-29 22:56:34,684 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] ((result_9 == 0) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1)) && (isNull_6 == (_Bool)0 || isNull_6 == (_Bool)1) [2024-01-29 22:56:34,684 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (b <= -1) && (b != 0) [2024-01-29 22:56:34,684 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] b <= -1 [2024-01-29 22:56:34,684 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] result_9 == 0 [2024-01-29 22:56:34,685 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] (result_9 == 0) && (filename_2 == (_Bool)0 || filename_2 == (_Bool)1) [2024-01-29 22:56:34,685 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] (result_9 == 0) && (isNull_6 == (_Bool)0 || isNull_6 == (_Bool)1) [2024-01-29 22:56:34,685 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] (result_9 == 0) && (val == (_Bool)0 || val == (_Bool)1) [2024-01-29 22:56:34,685 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] (result_9 == 0) && (isNull_3 == (_Bool)0 || isNull_3 == (_Bool)1) [2024-01-29 22:56:34,685 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] (result_9 == 0) && (result_11 == 0) [2024-01-29 22:56:34,685 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] (result_9 == 0) && (filename_5 == (_Bool)0 || filename_5 == (_Bool)1) [2024-01-29 22:56:34,685 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] (result_9 == 0) && (result_10 == 0) [2024-01-29 22:56:34,686 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] (result_9 == 0) && (filename_8 == (_Bool)0) [2024-01-29 22:56:34,686 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] (result_9 == 0) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1) [2024-01-29 22:56:34,686 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL) [2024-01-29 22:56:34,686 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && (result_11 == 0)) && (filename_5 == (_Bool)0) [2024-01-29 22:56:34,686 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && (result_11 == 0)) && (filename_8 == (_Bool)0) [2024-01-29 22:56:34,686 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL) [2024-01-29 22:56:34,686 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && (result_11 == 0)) && (isNull_3 == (_Bool)0) [2024-01-29 22:56:34,686 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL) [2024-01-29 22:56:34,687 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && (result_11 == 0)) && (filename_2 == (_Bool)0) [2024-01-29 22:56:34,687 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && (result_11 == 0) [2024-01-29 22:56:34,687 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && (result_11 == 0)) && (isNull_6 == (_Bool)0) [2024-01-29 22:56:34,687 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && (result_10 == 0) [2024-01-29 22:56:34,687 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL [2024-01-29 22:56:34,687 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && (result_9 == 0) [2024-01-29 22:56:34,687 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && (result_11 == 0)) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1) [2024-01-29 22:56:34,688 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] (0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL [2024-01-29 22:56:34,688 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (result_10 == 0) [2024-01-29 22:56:34,688 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (filename_2 == (_Bool)0) [2024-01-29 22:56:34,688 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (isNull_0 == (_Bool)0) [2024-01-29 22:56:34,688 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 - (long long )isNull_6 >= 0LL) [2024-01-29 22:56:34,688 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (filename_7 == 0) [2024-01-29 22:56:34,688 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL) [2024-01-29 22:56:34,688 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (isNull_6 == (_Bool)0) [2024-01-29 22:56:34,689 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (result_11 == 0) [2024-01-29 22:56:34,689 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (filename_8 == (_Bool)0) [2024-01-29 22:56:34,689 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (filename_5 == (_Bool)0) [2024-01-29 22:56:34,689 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (result_9 == 0) [2024-01-29 22:56:34,689 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (isNull_3 == (_Bool)0) [2024-01-29 22:56:34,689 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL) [2024-01-29 22:56:34,689 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL [2024-01-29 22:56:34,690 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (result_10 == 0) [2024-01-29 22:56:34,690 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 - (long long )isNull_6 >= 0LL) [2024-01-29 22:56:34,690 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (result_11 == 0) [2024-01-29 22:56:34,690 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL) [2024-01-29 22:56:34,690 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (filename_7 == 0) [2024-01-29 22:56:34,690 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (isNull_0 == (_Bool)0) [2024-01-29 22:56:34,690 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (result_9 == 0) [2024-01-29 22:56:34,691 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (filename_2 == (_Bool)0) [2024-01-29 22:56:34,691 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL) [2024-01-29 22:56:34,691 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (filename_8 == (_Bool)0) [2024-01-29 22:56:34,691 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (isNull_6 == (_Bool)0) [2024-01-29 22:56:34,691 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (isNull_3 == (_Bool)0) [2024-01-29 22:56:34,691 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (filename_5 == (_Bool)0) [2024-01-29 22:56:34,691 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (result_10 == 0)) && (filename_2 == (_Bool)0) [2024-01-29 22:56:34,691 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (result_10 == 0) [2024-01-29 22:56:34,692 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (result_10 == 0)) && (filename_2 == (_Bool)0)) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1) [2024-01-29 22:56:34,692 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (result_10 == 0)) && (result_11 == 0) [2024-01-29 22:56:34,692 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (result_10 == 0)) && (isNull_6 == (_Bool)0) [2024-01-29 22:56:34,692 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL [2024-01-29 22:56:34,692 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL) [2024-01-29 22:56:34,692 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL) [2024-01-29 22:56:34,692 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (result_10 == 0)) && (filename_2 == (_Bool)0)) && (isNull_3 == (_Bool)0 || isNull_3 == (_Bool)1) [2024-01-29 22:56:34,693 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 - (long long )isNull_6 >= 0LL) [2024-01-29 22:56:34,693 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (result_10 == 0)) && (filename_2 == (_Bool)0)) && (filename_8 == (_Bool)0) [2024-01-29 22:56:34,693 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (result_9 == 0) [2024-01-29 22:56:34,693 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (result_10 == 0)) && (filename_2 == (_Bool)0)) && (filename_5 == (_Bool)0) [2024-01-29 22:56:34,693 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (1 <= b) && (b != 0) [2024-01-29 22:56:34,693 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 1 <= b [2024-01-29 22:56:34,693 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] ((result_9 == 0) && (result_10 == 0)) && (result_11 == 0) [2024-01-29 22:56:34,693 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (isNull_6 == (_Bool)0 || isNull_6 == (_Bool)1) [2024-01-29 22:56:34,694 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1) [2024-01-29 22:56:34,694 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (isNull_3 == (_Bool)0 || isNull_3 == (_Bool)1) [2024-01-29 22:56:34,694 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (filename_5 == (_Bool)0 || filename_5 == (_Bool)1) [2024-01-29 22:56:34,694 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (filename_8 == (_Bool)0) [2024-01-29 22:56:34,694 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (result_9 == 0) && (result_10 == 0) [2024-01-29 22:56:34,694 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (filename_2 == (_Bool)0 || filename_2 == (_Bool)1) [2024-01-29 22:56:34,694 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] result_9 == 0 [2024-01-29 22:56:34,694 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-29 22:56:34,695 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && (filename_4 == 0) [2024-01-29 22:56:34,695 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && (filename_4 == 0)) && (filename_8 == (_Bool)0) [2024-01-29 22:56:34,695 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL) [2024-01-29 22:56:34,695 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && (isNull_3 == (_Bool)0)) && (filename_2 == (_Bool)0) [2024-01-29 22:56:34,695 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL) [2024-01-29 22:56:34,695 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && (isNull_3 == (_Bool)0) [2024-01-29 22:56:34,695 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL) [2024-01-29 22:56:34,696 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && (result_9 == 0) [2024-01-29 22:56:34,696 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && (filename_4 == 0)) && (filename_5 == (_Bool)0) [2024-01-29 22:56:34,696 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && (result_11 == 0) [2024-01-29 22:56:34,696 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] ((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && (isNull_3 == (_Bool)0)) && (isNull_6 == (_Bool)0) [2024-01-29 22:56:34,696 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && (filename_7 == 0) [2024-01-29 22:56:34,696 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL [2024-01-29 22:56:34,696 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && (result_10 == 0) [2024-01-29 22:56:34,696 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && (isNull_0 == (_Bool)0) [2024-01-29 22:56:34,697 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-29 22:56:34,697 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L46] (unsigned long )_argptr == 0UL [2024-01-29 22:56:34,697 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (isNull_3 == (_Bool)0) [2024-01-29 22:56:34,697 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (result_11 == 0) [2024-01-29 22:56:34,697 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (result_10 == 0) [2024-01-29 22:56:34,697 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (isNull_3 == (_Bool)0)) && (filename_8 == (_Bool)0) [2024-01-29 22:56:34,697 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (isNull_3 == (_Bool)0)) && (filename_2 == (_Bool)0) [2024-01-29 22:56:34,698 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL [2024-01-29 22:56:34,698 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (filename_7 == 0) [2024-01-29 22:56:34,698 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (result_9 == 0) [2024-01-29 22:56:34,698 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (isNull_6 == (_Bool)0) [2024-01-29 22:56:34,698 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (filename_4 == 0) [2024-01-29 22:56:34,698 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (isNull_0 == (_Bool)0) [2024-01-29 22:56:34,698 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (isNull_3 == (_Bool)0)) && (filename_5 == (_Bool)0) [2024-01-29 22:56:34,698 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL) [2024-01-29 22:56:34,699 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL) [2024-01-29 22:56:34,699 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && (filename_1 == 0) [2024-01-29 22:56:34,699 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] ((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 - (long long )isNull_6 >= 0LL) [2024-01-29 22:56:34,699 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (((result_9 == 0) && (result_10 == 0)) && (filename_8 == (_Bool)0)) && (isNull_3 == (_Bool)0 || isNull_3 == (_Bool)1) [2024-01-29 22:56:34,699 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] ((result_9 == 0) && (result_10 == 0)) && (filename_8 == (_Bool)0) [2024-01-29 22:56:34,699 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (result_9 == 0) && (result_10 == 0) [2024-01-29 22:56:34,699 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] result_9 == 0 [2024-01-29 22:56:34,699 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] ((((result_9 == 0) && (result_10 == 0)) && (filename_8 == (_Bool)0)) && (isNull_3 == (_Bool)0 || isNull_3 == (_Bool)1)) && (isNull_6 == (_Bool)0 || isNull_6 == (_Bool)1) [2024-01-29 22:56:34,700 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] ((result_9 == 0) && (result_10 == 0)) && (result_11 == 0) [2024-01-29 22:56:34,700 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (((result_9 == 0) && (result_10 == 0)) && (filename_8 == (_Bool)0)) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1) [2024-01-29 22:56:34,700 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] ((result_9 == 0) && (result_10 == 0)) && (filename_5 == (_Bool)0) [2024-01-29 22:56:34,700 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] ((result_9 == 0) && (result_10 == 0)) && (filename_2 == (_Bool)0) [2024-01-29 22:56:34,700 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (filename_2 == (_Bool)0 || filename_2 == (_Bool)1) [2024-01-29 22:56:34,700 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] ((result_9 == 0) && (result_10 == 0)) && (result_11 == 0) [2024-01-29 22:56:34,700 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (isNull_3 == (_Bool)0 || isNull_3 == (_Bool)1) [2024-01-29 22:56:34,700 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (filename_8 == (_Bool)0) [2024-01-29 22:56:34,701 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1) [2024-01-29 22:56:34,701 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (result_9 == 0) && (result_10 == 0) [2024-01-29 22:56:34,701 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (isNull_6 == (_Bool)0 || isNull_6 == (_Bool)1) [2024-01-29 22:56:34,701 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] result_9 == 0 [2024-01-29 22:56:34,701 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (filename_5 == (_Bool)0) [2024-01-29 22:56:34,716 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 22:56:34,855 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c[2856,2869] [2024-01-29 22:56:34,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:56:34,866 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 22:56:34,874 WARN L424 MainDispatcher]: Unable to annotate __assert_fail(const char *__assertion, const char *__file, unsigned int __line, const char *__function) with a witness entry [2024-01-29 22:56:34,875 WARN L424 MainDispatcher]: Unable to annotate extern int pthread_create (pthread_t *__restrict __newthread, const pthread_attr_t *__restrict __attr, void *(*__start_routine) (void *), void *__restrict __arg) __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 3))); 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local 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 22:56:35,013 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c[2856,2869] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 22:56:35,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:56:35,054 INFO L206 MainTranslator]: Completed translation [2024-01-29 22:56:35,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:56:35 WrapperNode [2024-01-29 22:56:35,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 22:56:35,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 22:56:35,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 22:56:35,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 22:56:35,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:56:35" (1/1) ... [2024-01-29 22:56:35,114 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:56:35" (1/1) ... [2024-01-29 22:56:35,188 INFO L138 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 339 [2024-01-29 22:56:35,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 22:56:35,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 22:56:35,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 22:56:35,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 22:56:35,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:56:35" (1/1) ... [2024-01-29 22:56:35,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:56:35" (1/1) ... [2024-01-29 22:56:35,214 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:56:35" (1/1) ... [2024-01-29 22:56:35,244 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-01-29 22:56:35,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:56:35" (1/1) ... [2024-01-29 22:56:35,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:56:35" (1/1) ... [2024-01-29 22:56:35,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:56:35" (1/1) ... [2024-01-29 22:56:35,275 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:56:35" (1/1) ... [2024-01-29 22:56:35,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:56:35" (1/1) ... [2024-01-29 22:56:35,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:56:35" (1/1) ... [2024-01-29 22:56:35,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 22:56:35,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 22:56:35,295 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 22:56:35,295 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 22:56:35,296 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:56:35" (1/1) ... [2024-01-29 22:56:35,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:56:35,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 22:56:35,338 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 22:56:35,381 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 22:56:35,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 22:56:35,397 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 22:56:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 22:56:35,397 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 22:56:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 22:56:35,397 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-29 22:56:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-29 22:56:35,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 22:56:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 22:56:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 22:56:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 22:56:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 22:56:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 22:56:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 22:56:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 22:56:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 22:56:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 22:56:35,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 22:56:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 22:56:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 22:56:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 22:56:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 22:56:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 22:56:35,402 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 22:56:35,515 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 22:56:35,517 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 22:56:36,196 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 22:56:36,198 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 22:56:36,345 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 22:56:36,345 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-29 22:56:36,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:56:36 BoogieIcfgContainer [2024-01-29 22:56:36,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 22:56:36,349 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 22:56:36,349 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 22:56:36,351 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 22:56:36,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:56:33" (1/4) ... [2024-01-29 22:56:36,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46274321 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 10:56:36, skipping insertion in model container [2024-01-29 22:56:36,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 10:56:34" (2/4) ... [2024-01-29 22:56:36,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46274321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:56:36, skipping insertion in model container [2024-01-29 22:56:36,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:56:35" (3/4) ... [2024-01-29 22:56:36,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46274321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:56:36, skipping insertion in model container [2024-01-29 22:56:36,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:56:36" (4/4) ... [2024-01-29 22:56:36,355 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-trans.wvr.c [2024-01-29 22:56:36,409 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 22:56:36,409 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 136 error locations. [2024-01-29 22:56:36,410 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 22:56:36,529 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-29 22:56:36,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 325 places, 327 transitions, 675 flow [2024-01-29 22:56:36,654 INFO L124 PetriNetUnfolderBase]: 12/324 cut-off events. [2024-01-29 22:56:36,655 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-29 22:56:36,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 337 conditions, 324 events. 12/324 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 397 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 295. Up to 2 conditions per place. [2024-01-29 22:56:36,661 INFO L82 GeneralOperation]: Start removeDead. Operand has 325 places, 327 transitions, 675 flow [2024-01-29 22:56:36,671 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 321 places, 323 transitions, 664 flow [2024-01-29 22:56:36,683 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 22:56:36,689 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;@5dd29e26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 22:56:36,689 INFO L358 AbstractCegarLoop]: Starting to check reachability of 154 error locations. [2024-01-29 22:56:36,691 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 22:56:36,692 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 22:56:36,692 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 22:56:36,693 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:56:36,694 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 22:56:36,694 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 151 more)] === [2024-01-29 22:56:36,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:56:36,698 INFO L85 PathProgramCache]: Analyzing trace with hash 33565, now seen corresponding path program 1 times [2024-01-29 22:56:36,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:56:36,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428782911] [2024-01-29 22:56:36,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:56:36,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:56:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:56:36,950 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 22:56:36,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:56:36,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428782911] [2024-01-29 22:56:36,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428782911] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:56:36,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:56:36,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 22:56:36,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576057531] [2024-01-29 22:56:36,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:56:36,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:56:36,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:56:37,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:56:37,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:56:37,316 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 327 [2024-01-29 22:56:37,319 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 323 transitions, 664 flow. Second operand has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 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 22:56:37,319 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:56:37,319 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 327 [2024-01-29 22:56:37,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:56:38,427 INFO L124 PetriNetUnfolderBase]: 4543/7538 cut-off events. [2024-01-29 22:56:38,428 INFO L125 PetriNetUnfolderBase]: For 168/168 co-relation queries the response was YES. [2024-01-29 22:56:38,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13977 conditions, 7538 events. 4543/7538 cut-off events. For 168/168 co-relation queries the response was YES. Maximal size of possible extension queue 808. Compared 58348 event pairs, 3768 based on Foata normal form. 26/6151 useless extension candidates. Maximal degree in co-relation 12605. Up to 6156 conditions per place. [2024-01-29 22:56:38,483 INFO L140 encePairwiseOnDemand]: 296/327 looper letters, 48 selfloop transitions, 2 changer transitions 0/294 dead transitions. [2024-01-29 22:56:38,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 294 transitions, 706 flow [2024-01-29 22:56:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:56:38,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:56:38,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 820 transitions. [2024-01-29 22:56:38,497 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.835881753312946 [2024-01-29 22:56:38,498 INFO L175 Difference]: Start difference. First operand has 321 places, 323 transitions, 664 flow. Second operand 3 states and 820 transitions. [2024-01-29 22:56:38,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 294 transitions, 706 flow [2024-01-29 22:56:38,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 294 transitions, 694 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-01-29 22:56:38,510 INFO L231 Difference]: Finished difference. Result has 288 places, 294 transitions, 598 flow [2024-01-29 22:56:38,512 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=288, PETRI_TRANSITIONS=294} [2024-01-29 22:56:38,514 INFO L281 CegarLoopForPetriNet]: 321 programPoint places, -33 predicate places. [2024-01-29 22:56:38,514 INFO L495 AbstractCegarLoop]: Abstraction has has 288 places, 294 transitions, 598 flow [2024-01-29 22:56:38,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 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 22:56:38,515 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:56:38,515 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-29 22:56:38,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 22:56:38,516 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 151 more)] === [2024-01-29 22:56:38,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:56:38,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1041540, now seen corresponding path program 1 times [2024-01-29 22:56:38,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:56:38,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500631218] [2024-01-29 22:56:38,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:56:38,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:56:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:56:38,565 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 22:56:38,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:56:38,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500631218] [2024-01-29 22:56:38,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500631218] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:56:38,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:56:38,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:56:38,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943744917] [2024-01-29 22:56:38,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:56:38,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:56:38,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:56:38,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:56:38,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:56:38,938 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 327 [2024-01-29 22:56:38,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 294 transitions, 598 flow. Second operand has 4 states, 4 states have (on average 180.75) internal successors, (723), 4 states have internal predecessors, (723), 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 22:56:38,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:56:38,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 327 [2024-01-29 22:56:38,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:56:39,735 INFO L124 PetriNetUnfolderBase]: 4543/7537 cut-off events. [2024-01-29 22:56:39,735 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-01-29 22:56:39,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13877 conditions, 7537 events. 4543/7537 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 808. Compared 58406 event pairs, 3768 based on Foata normal form. 0/6181 useless extension candidates. Maximal degree in co-relation 13648. Up to 6229 conditions per place. [2024-01-29 22:56:39,787 INFO L140 encePairwiseOnDemand]: 324/327 looper letters, 131 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-01-29 22:56:39,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 293 transitions, 862 flow [2024-01-29 22:56:39,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:56:39,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:56:39,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 674 transitions. [2024-01-29 22:56:39,789 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6870540265035678 [2024-01-29 22:56:39,789 INFO L175 Difference]: Start difference. First operand has 288 places, 294 transitions, 598 flow. Second operand 3 states and 674 transitions. [2024-01-29 22:56:39,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 293 transitions, 862 flow [2024-01-29 22:56:39,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 293 transitions, 858 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:56:39,794 INFO L231 Difference]: Finished difference. Result has 287 places, 293 transitions, 596 flow [2024-01-29 22:56:39,794 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=592, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=596, PETRI_PLACES=287, PETRI_TRANSITIONS=293} [2024-01-29 22:56:39,795 INFO L281 CegarLoopForPetriNet]: 321 programPoint places, -34 predicate places. [2024-01-29 22:56:39,795 INFO L495 AbstractCegarLoop]: Abstraction has has 287 places, 293 transitions, 596 flow [2024-01-29 22:56:39,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 180.75) internal successors, (723), 4 states have internal predecessors, (723), 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 22:56:39,796 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:56:39,796 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-29 22:56:39,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 22:56:39,796 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 151 more)] === [2024-01-29 22:56:39,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:56:39,797 INFO L85 PathProgramCache]: Analyzing trace with hash 964880309, now seen corresponding path program 1 times [2024-01-29 22:56:39,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:56:39,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000649125] [2024-01-29 22:56:39,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:56:39,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:56:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:56:39,953 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 22:56:39,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:56:39,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000649125] [2024-01-29 22:56:39,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000649125] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:56:39,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:56:39,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:56:39,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807768223] [2024-01-29 22:56:39,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:56:39,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:56:39,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:56:39,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:56:39,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:56:40,255 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 327 [2024-01-29 22:56:40,256 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 293 transitions, 596 flow. Second operand has 4 states, 4 states have (on average 178.5) internal successors, (714), 4 states have internal predecessors, (714), 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 22:56:40,256 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:56:40,256 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 327 [2024-01-29 22:56:40,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:56:41,162 INFO L124 PetriNetUnfolderBase]: 4543/7533 cut-off events. [2024-01-29 22:56:41,162 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-01-29 22:56:41,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13873 conditions, 7533 events. 4543/7533 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 808. Compared 58298 event pairs, 3768 based on Foata normal form. 1/6178 useless extension candidates. Maximal degree in co-relation 13826. Up to 6174 conditions per place. [2024-01-29 22:56:41,246 INFO L140 encePairwiseOnDemand]: 321/327 looper letters, 131 selfloop transitions, 2 changer transitions 0/289 dead transitions. [2024-01-29 22:56:41,246 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 289 transitions, 854 flow [2024-01-29 22:56:41,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:56:41,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:56:41,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 668 transitions. [2024-01-29 22:56:41,248 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6809378185524975 [2024-01-29 22:56:41,248 INFO L175 Difference]: Start difference. First operand has 287 places, 293 transitions, 596 flow. Second operand 3 states and 668 transitions. [2024-01-29 22:56:41,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 289 transitions, 854 flow [2024-01-29 22:56:41,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 289 transitions, 850 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:56:41,252 INFO L231 Difference]: Finished difference. Result has 283 places, 289 transitions, 588 flow [2024-01-29 22:56:41,253 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=588, PETRI_PLACES=283, PETRI_TRANSITIONS=289} [2024-01-29 22:56:41,268 INFO L281 CegarLoopForPetriNet]: 321 programPoint places, -38 predicate places. [2024-01-29 22:56:41,269 INFO L495 AbstractCegarLoop]: Abstraction has has 283 places, 289 transitions, 588 flow [2024-01-29 22:56:41,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 178.5) internal successors, (714), 4 states have internal predecessors, (714), 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 22:56:41,269 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:56:41,269 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:56:41,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 22:56:41,269 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 151 more)] === [2024-01-29 22:56:41,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:56:41,270 INFO L85 PathProgramCache]: Analyzing trace with hash -153480530, now seen corresponding path program 1 times [2024-01-29 22:56:41,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:56:41,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130284539] [2024-01-29 22:56:41,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:56:41,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:56:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:56:41,405 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 22:56:41,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:56:41,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130284539] [2024-01-29 22:56:41,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130284539] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:56:41,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:56:41,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:56:41,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059947012] [2024-01-29 22:56:41,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:56:41,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:56:41,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:56:41,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:56:41,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:56:41,673 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 327 [2024-01-29 22:56:41,674 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 289 transitions, 588 flow. Second operand has 4 states, 4 states have (on average 180.75) internal successors, (723), 4 states have internal predecessors, (723), 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 22:56:41,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:56:41,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 327 [2024-01-29 22:56:41,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:56:42,455 INFO L124 PetriNetUnfolderBase]: 4543/7531 cut-off events. [2024-01-29 22:56:42,456 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-01-29 22:56:42,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13871 conditions, 7531 events. 4543/7531 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 808. Compared 58370 event pairs, 3768 based on Foata normal form. 0/6175 useless extension candidates. Maximal degree in co-relation 13683. Up to 6187 conditions per place. [2024-01-29 22:56:42,503 INFO L140 encePairwiseOnDemand]: 323/327 looper letters, 131 selfloop transitions, 2 changer transitions 0/287 dead transitions. [2024-01-29 22:56:42,504 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 287 transitions, 850 flow [2024-01-29 22:56:42,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:56:42,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:56:42,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 672 transitions. [2024-01-29 22:56:42,506 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6850152905198776 [2024-01-29 22:56:42,506 INFO L175 Difference]: Start difference. First operand has 283 places, 289 transitions, 588 flow. Second operand 3 states and 672 transitions. [2024-01-29 22:56:42,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 287 transitions, 850 flow [2024-01-29 22:56:42,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 287 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:56:42,510 INFO L231 Difference]: Finished difference. Result has 281 places, 287 transitions, 584 flow [2024-01-29 22:56:42,510 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=584, PETRI_PLACES=281, PETRI_TRANSITIONS=287} [2024-01-29 22:56:42,512 INFO L281 CegarLoopForPetriNet]: 321 programPoint places, -40 predicate places. [2024-01-29 22:56:42,512 INFO L495 AbstractCegarLoop]: Abstraction has has 281 places, 287 transitions, 584 flow [2024-01-29 22:56:42,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 180.75) internal successors, (723), 4 states have internal predecessors, (723), 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 22:56:42,513 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:56:42,513 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:56:42,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 22:56:42,514 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 151 more)] === [2024-01-29 22:56:42,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:56:42,514 INFO L85 PathProgramCache]: Analyzing trace with hash -462928069, now seen corresponding path program 1 times [2024-01-29 22:56:42,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:56:42,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856033481] [2024-01-29 22:56:42,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:56:42,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:56:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:56:42,573 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 22:56:42,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:56:42,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856033481] [2024-01-29 22:56:42,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856033481] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:56:42,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:56:42,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:56:42,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21511247] [2024-01-29 22:56:42,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:56:42,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:56:42,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:56:42,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:56:42,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:56:42,865 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 327 [2024-01-29 22:56:42,867 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 287 transitions, 584 flow. Second operand has 4 states, 4 states have (on average 182.0) internal successors, (728), 4 states have internal predecessors, (728), 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 22:56:42,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:56:42,868 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 327 [2024-01-29 22:56:42,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:56:43,794 INFO L124 PetriNetUnfolderBase]: 4543/7530 cut-off events. [2024-01-29 22:56:43,794 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-01-29 22:56:43,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13870 conditions, 7530 events. 4543/7530 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 808. Compared 58293 event pairs, 3768 based on Foata normal form. 0/6174 useless extension candidates. Maximal degree in co-relation 13718. Up to 6214 conditions per place. [2024-01-29 22:56:43,833 INFO L140 encePairwiseOnDemand]: 324/327 looper letters, 131 selfloop transitions, 2 changer transitions 0/286 dead transitions. [2024-01-29 22:56:43,833 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 286 transitions, 848 flow [2024-01-29 22:56:43,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:56:43,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:56:43,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 674 transitions. [2024-01-29 22:56:43,835 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6870540265035678 [2024-01-29 22:56:43,835 INFO L175 Difference]: Start difference. First operand has 281 places, 287 transitions, 584 flow. Second operand 3 states and 674 transitions. [2024-01-29 22:56:43,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 286 transitions, 848 flow [2024-01-29 22:56:43,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 286 transitions, 844 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:56:43,839 INFO L231 Difference]: Finished difference. Result has 280 places, 286 transitions, 582 flow [2024-01-29 22:56:43,839 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=578, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=582, PETRI_PLACES=280, PETRI_TRANSITIONS=286} [2024-01-29 22:56:43,840 INFO L281 CegarLoopForPetriNet]: 321 programPoint places, -41 predicate places. [2024-01-29 22:56:43,840 INFO L495 AbstractCegarLoop]: Abstraction has has 280 places, 286 transitions, 582 flow [2024-01-29 22:56:43,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 182.0) internal successors, (728), 4 states have internal predecessors, (728), 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 22:56:43,840 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:56:43,840 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:56:43,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 22:56:43,841 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 151 more)] === [2024-01-29 22:56:43,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:56:43,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1802753182, now seen corresponding path program 1 times [2024-01-29 22:56:43,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:56:43,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421483470] [2024-01-29 22:56:43,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:56:43,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:56:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:56:43,870 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 22:56:43,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:56:43,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421483470] [2024-01-29 22:56:43,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421483470] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:56:43,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:56:43,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:56:43,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43513959] [2024-01-29 22:56:43,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:56:43,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:56:43,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:56:43,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:56:43,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:56:44,319 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 327 [2024-01-29 22:56:44,320 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 286 transitions, 582 flow. Second operand has 4 states, 4 states have (on average 149.5) internal successors, (598), 4 states have internal predecessors, (598), 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 22:56:44,321 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:56:44,321 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 327 [2024-01-29 22:56:44,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:56:45,373 INFO L124 PetriNetUnfolderBase]: 5526/10575 cut-off events. [2024-01-29 22:56:45,374 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-01-29 22:56:45,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18282 conditions, 10575 events. 5526/10575 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 939. Compared 96718 event pairs, 1790 based on Foata normal form. 0/8907 useless extension candidates. Maximal degree in co-relation 18197. Up to 3237 conditions per place. [2024-01-29 22:56:45,417 INFO L140 encePairwiseOnDemand]: 313/327 looper letters, 200 selfloop transitions, 8 changer transitions 0/327 dead transitions. [2024-01-29 22:56:45,417 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 327 transitions, 1083 flow [2024-01-29 22:56:45,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:56:45,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:56:45,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 803 transitions. [2024-01-29 22:56:45,419 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.613914373088685 [2024-01-29 22:56:45,419 INFO L175 Difference]: Start difference. First operand has 280 places, 286 transitions, 582 flow. Second operand 4 states and 803 transitions. [2024-01-29 22:56:45,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 327 transitions, 1083 flow [2024-01-29 22:56:45,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 327 transitions, 1079 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:56:45,423 INFO L231 Difference]: Finished difference. Result has 275 places, 282 transitions, 596 flow [2024-01-29 22:56:45,424 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=596, PETRI_PLACES=275, PETRI_TRANSITIONS=282} [2024-01-29 22:56:45,427 INFO L281 CegarLoopForPetriNet]: 321 programPoint places, -46 predicate places. [2024-01-29 22:56:45,427 INFO L495 AbstractCegarLoop]: Abstraction has has 275 places, 282 transitions, 596 flow [2024-01-29 22:56:45,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 149.5) internal successors, (598), 4 states have internal predecessors, (598), 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 22:56:45,428 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:56:45,428 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:56:45,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-29 22:56:45,428 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 151 more)] === [2024-01-29 22:56:45,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:56:45,428 INFO L85 PathProgramCache]: Analyzing trace with hash 50774755, now seen corresponding path program 1 times [2024-01-29 22:56:45,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:56:45,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444670442] [2024-01-29 22:56:45,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:56:45,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:56:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:56:45,471 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 22:56:45,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:56:45,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444670442] [2024-01-29 22:56:45,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444670442] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:56:45,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:56:45,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:56:45,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501966701] [2024-01-29 22:56:45,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:56:45,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:56:45,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:56:45,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:56:45,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:56:45,694 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 327 [2024-01-29 22:56:45,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 282 transitions, 596 flow. Second operand has 4 states, 4 states have (on average 181.75) internal successors, (727), 4 states have internal predecessors, (727), 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 22:56:45,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:56:45,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 327 [2024-01-29 22:56:45,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:56:46,635 INFO L124 PetriNetUnfolderBase]: 5819/9550 cut-off events. [2024-01-29 22:56:46,635 INFO L125 PetriNetUnfolderBase]: For 732/743 co-relation queries the response was YES. [2024-01-29 22:56:46,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18702 conditions, 9550 events. 5819/9550 cut-off events. For 732/743 co-relation queries the response was YES. Maximal size of possible extension queue 855. Compared 75324 event pairs, 4755 based on Foata normal form. 0/8156 useless extension candidates. Maximal degree in co-relation 5557. Up to 7945 conditions per place. [2024-01-29 22:56:46,689 INFO L140 encePairwiseOnDemand]: 323/327 looper letters, 134 selfloop transitions, 2 changer transitions 0/280 dead transitions. [2024-01-29 22:56:46,689 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 280 transitions, 864 flow [2024-01-29 22:56:46,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:56:46,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:56:46,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 672 transitions. [2024-01-29 22:56:46,691 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6850152905198776 [2024-01-29 22:56:46,691 INFO L175 Difference]: Start difference. First operand has 275 places, 282 transitions, 596 flow. Second operand 3 states and 672 transitions. [2024-01-29 22:56:46,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 280 transitions, 864 flow [2024-01-29 22:56:46,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 280 transitions, 861 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 22:56:46,695 INFO L231 Difference]: Finished difference. Result has 274 places, 280 transitions, 593 flow [2024-01-29 22:56:46,695 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=593, PETRI_PLACES=274, PETRI_TRANSITIONS=280} [2024-01-29 22:56:46,695 INFO L281 CegarLoopForPetriNet]: 321 programPoint places, -47 predicate places. [2024-01-29 22:56:46,696 INFO L495 AbstractCegarLoop]: Abstraction has has 274 places, 280 transitions, 593 flow [2024-01-29 22:56:46,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 181.75) internal successors, (727), 4 states have internal predecessors, (727), 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 22:56:46,696 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:56:46,696 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:56:46,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-29 22:56:46,697 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 151 more)] === [2024-01-29 22:56:46,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:56:46,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1549935009, now seen corresponding path program 1 times [2024-01-29 22:56:46,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:56:46,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093077836] [2024-01-29 22:56:46,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:56:46,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:56:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:56:46,767 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 22:56:46,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:56:46,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093077836] [2024-01-29 22:56:46,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093077836] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:56:46,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:56:46,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:56:46,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829037793] [2024-01-29 22:56:46,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:56:46,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-29 22:56:46,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:56:46,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-29 22:56:46,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-01-29 22:56:47,447 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 327 [2024-01-29 22:56:47,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 280 transitions, 593 flow. Second operand has 5 states, 5 states have (on average 177.6) internal successors, (888), 5 states have internal predecessors, (888), 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 22:56:47,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:56:47,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 327 [2024-01-29 22:56:47,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:56:48,692 INFO L124 PetriNetUnfolderBase]: 7209/11598 cut-off events. [2024-01-29 22:56:48,693 INFO L125 PetriNetUnfolderBase]: For 831/837 co-relation queries the response was YES. [2024-01-29 22:56:48,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22421 conditions, 11598 events. 7209/11598 cut-off events. For 831/837 co-relation queries the response was YES. Maximal size of possible extension queue 805. Compared 86231 event pairs, 5915 based on Foata normal form. 0/9431 useless extension candidates. Maximal degree in co-relation 22306. Up to 9668 conditions per place. [2024-01-29 22:56:48,751 INFO L140 encePairwiseOnDemand]: 320/327 looper letters, 133 selfloop transitions, 5 changer transitions 0/278 dead transitions. [2024-01-29 22:56:48,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 278 transitions, 865 flow [2024-01-29 22:56:48,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-29 22:56:48,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-29 22:56:48,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1012 transitions. [2024-01-29 22:56:48,754 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.618960244648318 [2024-01-29 22:56:48,754 INFO L175 Difference]: Start difference. First operand has 274 places, 280 transitions, 593 flow. Second operand 5 states and 1012 transitions. [2024-01-29 22:56:48,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 278 transitions, 865 flow [2024-01-29 22:56:48,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 278 transitions, 861 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:56:48,758 INFO L231 Difference]: Finished difference. Result has 274 places, 278 transitions, 595 flow [2024-01-29 22:56:48,759 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=585, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=595, PETRI_PLACES=274, PETRI_TRANSITIONS=278} [2024-01-29 22:56:48,759 INFO L281 CegarLoopForPetriNet]: 321 programPoint places, -47 predicate places. [2024-01-29 22:56:48,759 INFO L495 AbstractCegarLoop]: Abstraction has has 274 places, 278 transitions, 595 flow [2024-01-29 22:56:48,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 177.6) internal successors, (888), 5 states have internal predecessors, (888), 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 22:56:48,760 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:56:48,760 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:56:48,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-29 22:56:48,760 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 151 more)] === [2024-01-29 22:56:48,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:56:48,761 INFO L85 PathProgramCache]: Analyzing trace with hash 803346150, now seen corresponding path program 1 times [2024-01-29 22:56:48,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:56:48,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659128515] [2024-01-29 22:56:48,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:56:48,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:56:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:56:48,825 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 22:56:48,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:56:48,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659128515] [2024-01-29 22:56:48,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659128515] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:56:48,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:56:48,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-29 22:56:48,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305402138] [2024-01-29 22:56:48,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:56:48,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-29 22:56:48,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:56:48,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-29 22:56:48,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-01-29 22:56:49,291 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 327 [2024-01-29 22:56:49,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 278 transitions, 595 flow. Second operand has 5 states, 5 states have (on average 175.8) internal successors, (879), 5 states have internal predecessors, (879), 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 22:56:49,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:56:49,292 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 327 [2024-01-29 22:56:49,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:56:51,797 INFO L124 PetriNetUnfolderBase]: 14511/27238 cut-off events. [2024-01-29 22:56:51,797 INFO L125 PetriNetUnfolderBase]: For 1657/1657 co-relation queries the response was YES. [2024-01-29 22:56:51,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48279 conditions, 27238 events. 14511/27238 cut-off events. For 1657/1657 co-relation queries the response was YES. Maximal size of possible extension queue 1430. Compared 260552 event pairs, 3857 based on Foata normal form. 192/23671 useless extension candidates. Maximal degree in co-relation 48036. Up to 5772 conditions per place. [2024-01-29 22:56:51,945 INFO L140 encePairwiseOnDemand]: 311/327 looper letters, 226 selfloop transitions, 15 changer transitions 0/378 dead transitions. [2024-01-29 22:56:51,945 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 378 transitions, 1302 flow [2024-01-29 22:56:51,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-29 22:56:51,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-29 22:56:51,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1110 transitions. [2024-01-29 22:56:51,949 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6788990825688074 [2024-01-29 22:56:51,949 INFO L175 Difference]: Start difference. First operand has 274 places, 278 transitions, 595 flow. Second operand 5 states and 1110 transitions. [2024-01-29 22:56:51,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 378 transitions, 1302 flow [2024-01-29 22:56:51,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 378 transitions, 1292 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-29 22:56:51,954 INFO L231 Difference]: Finished difference. Result has 277 places, 285 transitions, 693 flow [2024-01-29 22:56:51,954 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=583, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=693, PETRI_PLACES=277, PETRI_TRANSITIONS=285} [2024-01-29 22:56:51,955 INFO L281 CegarLoopForPetriNet]: 321 programPoint places, -44 predicate places. [2024-01-29 22:56:51,955 INFO L495 AbstractCegarLoop]: Abstraction has has 277 places, 285 transitions, 693 flow [2024-01-29 22:56:51,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 175.8) internal successors, (879), 5 states have internal predecessors, (879), 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 22:56:51,956 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:56:51,956 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:56:51,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-29 22:56:51,956 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 151 more)] === [2024-01-29 22:56:51,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:56:51,957 INFO L85 PathProgramCache]: Analyzing trace with hash -866072182, now seen corresponding path program 1 times [2024-01-29 22:56:51,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:56:51,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717490804] [2024-01-29 22:56:51,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:56:51,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:56:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:56:51,991 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 22:56:51,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:56:51,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717490804] [2024-01-29 22:56:51,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717490804] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:56:51,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:56:51,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:56:51,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345862383] [2024-01-29 22:56:51,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:56:51,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:56:51,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:56:51,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:56:51,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:56:52,250 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 327 [2024-01-29 22:56:52,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 285 transitions, 693 flow. Second operand has 4 states, 4 states have (on average 164.75) internal successors, (659), 4 states have internal predecessors, (659), 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 22:56:52,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:56:52,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 327 [2024-01-29 22:56:52,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:56:54,561 INFO L124 PetriNetUnfolderBase]: 12706/24004 cut-off events. [2024-01-29 22:56:54,562 INFO L125 PetriNetUnfolderBase]: For 11070/11954 co-relation queries the response was YES. [2024-01-29 22:56:54,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47765 conditions, 24004 events. 12706/24004 cut-off events. For 11070/11954 co-relation queries the response was YES. Maximal size of possible extension queue 1474. Compared 234655 event pairs, 3873 based on Foata normal form. 352/21470 useless extension candidates. Maximal degree in co-relation 29472. Up to 8864 conditions per place. [2024-01-29 22:56:54,697 INFO L140 encePairwiseOnDemand]: 317/327 looper letters, 198 selfloop transitions, 10 changer transitions 0/333 dead transitions. [2024-01-29 22:56:54,697 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 333 transitions, 1253 flow [2024-01-29 22:56:54,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:56:54,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:56:54,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 847 transitions. [2024-01-29 22:56:54,699 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6475535168195719 [2024-01-29 22:56:54,700 INFO L175 Difference]: Start difference. First operand has 277 places, 285 transitions, 693 flow. Second operand 4 states and 847 transitions. [2024-01-29 22:56:54,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 333 transitions, 1253 flow [2024-01-29 22:56:54,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 333 transitions, 1240 flow, removed 3 selfloop flow, removed 1 redundant places. [2024-01-29 22:56:54,710 INFO L231 Difference]: Finished difference. Result has 277 places, 285 transitions, 728 flow [2024-01-29 22:56:54,710 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=677, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=728, PETRI_PLACES=277, PETRI_TRANSITIONS=285} [2024-01-29 22:56:54,711 INFO L281 CegarLoopForPetriNet]: 321 programPoint places, -44 predicate places. [2024-01-29 22:56:54,711 INFO L495 AbstractCegarLoop]: Abstraction has has 277 places, 285 transitions, 728 flow [2024-01-29 22:56:54,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 164.75) internal successors, (659), 4 states have internal predecessors, (659), 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 22:56:54,711 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:56:54,711 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:56:54,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-01-29 22:56:54,712 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 151 more)] === [2024-01-29 22:56:54,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:56:54,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1078433009, now seen corresponding path program 1 times [2024-01-29 22:56:54,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:56:54,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835446919] [2024-01-29 22:56:54,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:56:54,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:56:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:56:54,740 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 22:56:54,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:56:54,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835446919] [2024-01-29 22:56:54,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835446919] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:56:54,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:56:54,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:56:54,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655493712] [2024-01-29 22:56:54,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:56:54,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:56:54,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:56:54,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:56:54,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:56:55,024 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 327 [2024-01-29 22:56:55,025 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 285 transitions, 728 flow. Second operand has 4 states, 4 states have (on average 170.0) internal successors, (680), 4 states have internal predecessors, (680), 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 22:56:55,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:56:55,025 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 327 [2024-01-29 22:56:55,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:56:57,211 INFO L124 PetriNetUnfolderBase]: 12725/24232 cut-off events. [2024-01-29 22:56:57,211 INFO L125 PetriNetUnfolderBase]: For 13097/14040 co-relation queries the response was YES. [2024-01-29 22:56:57,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49580 conditions, 24232 events. 12725/24232 cut-off events. For 13097/14040 co-relation queries the response was YES. Maximal size of possible extension queue 1467. Compared 237611 event pairs, 3708 based on Foata normal form. 352/21635 useless extension candidates. Maximal degree in co-relation 31043. Up to 8781 conditions per place. [2024-01-29 22:56:57,374 INFO L140 encePairwiseOnDemand]: 317/327 looper letters, 196 selfloop transitions, 12 changer transitions 0/335 dead transitions. [2024-01-29 22:56:57,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 335 transitions, 1303 flow [2024-01-29 22:56:57,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:56:57,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:56:57,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 864 transitions. [2024-01-29 22:56:57,376 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6605504587155964 [2024-01-29 22:56:57,377 INFO L175 Difference]: Start difference. First operand has 277 places, 285 transitions, 728 flow. Second operand 4 states and 864 transitions. [2024-01-29 22:56:57,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 335 transitions, 1303 flow [2024-01-29 22:56:57,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 335 transitions, 1292 flow, removed 3 selfloop flow, removed 1 redundant places. [2024-01-29 22:56:57,393 INFO L231 Difference]: Finished difference. Result has 277 places, 285 transitions, 778 flow [2024-01-29 22:56:57,393 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=715, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=778, PETRI_PLACES=277, PETRI_TRANSITIONS=285} [2024-01-29 22:56:57,394 INFO L281 CegarLoopForPetriNet]: 321 programPoint places, -44 predicate places. [2024-01-29 22:56:57,394 INFO L495 AbstractCegarLoop]: Abstraction has has 277 places, 285 transitions, 778 flow [2024-01-29 22:56:57,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 170.0) internal successors, (680), 4 states have internal predecessors, (680), 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 22:56:57,395 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:56:57,395 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:56:57,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-01-29 22:56:57,395 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 151 more)] === [2024-01-29 22:56:57,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:56:57,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1286974815, now seen corresponding path program 1 times [2024-01-29 22:56:57,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:56:57,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646179801] [2024-01-29 22:56:57,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:56:57,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:56:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:56:57,447 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 22:56:57,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:56:57,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646179801] [2024-01-29 22:56:57,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646179801] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:56:57,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:56:57,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-29 22:56:57,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961781422] [2024-01-29 22:56:57,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:56:57,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-29 22:56:57,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:56:57,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-29 22:56:57,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-01-29 22:56:57,932 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 327 [2024-01-29 22:56:57,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 285 transitions, 778 flow. Second operand has 5 states, 5 states have (on average 159.6) internal successors, (798), 5 states have internal predecessors, (798), 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 22:56:57,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:56:57,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 327 [2024-01-29 22:56:57,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:57:02,624 INFO L124 PetriNetUnfolderBase]: 24128/45880 cut-off events. [2024-01-29 22:57:02,625 INFO L125 PetriNetUnfolderBase]: For 19147/19256 co-relation queries the response was YES. [2024-01-29 22:57:02,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90222 conditions, 45880 events. 24128/45880 cut-off events. For 19147/19256 co-relation queries the response was YES. Maximal size of possible extension queue 2372. Compared 475030 event pairs, 6696 based on Foata normal form. 716/42236 useless extension candidates. Maximal degree in co-relation 57543. Up to 12112 conditions per place. [2024-01-29 22:57:02,898 INFO L140 encePairwiseOnDemand]: 314/327 looper letters, 226 selfloop transitions, 17 changer transitions 0/374 dead transitions. [2024-01-29 22:57:02,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 374 transitions, 1510 flow [2024-01-29 22:57:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-29 22:57:02,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-29 22:57:02,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1015 transitions. [2024-01-29 22:57:02,901 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6207951070336392 [2024-01-29 22:57:02,901 INFO L175 Difference]: Start difference. First operand has 277 places, 285 transitions, 778 flow. Second operand 5 states and 1015 transitions. [2024-01-29 22:57:02,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 374 transitions, 1510 flow [2024-01-29 22:57:02,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 374 transitions, 1493 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:57:02,924 INFO L231 Difference]: Finished difference. Result has 280 places, 286 transitions, 841 flow [2024-01-29 22:57:02,924 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=759, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=841, PETRI_PLACES=280, PETRI_TRANSITIONS=286} [2024-01-29 22:57:02,925 INFO L281 CegarLoopForPetriNet]: 321 programPoint places, -41 predicate places. [2024-01-29 22:57:02,925 INFO L495 AbstractCegarLoop]: Abstraction has has 280 places, 286 transitions, 841 flow [2024-01-29 22:57:02,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 159.6) internal successors, (798), 5 states have internal predecessors, (798), 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 22:57:02,925 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:57:02,926 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:57:02,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-01-29 22:57:02,926 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 151 more)] === [2024-01-29 22:57:02,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:57:02,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1241512710, now seen corresponding path program 1 times [2024-01-29 22:57:02,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:57:02,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664319437] [2024-01-29 22:57:02,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:57:02,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:57:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:57:02,972 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 22:57:02,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:57:02,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664319437] [2024-01-29 22:57:02,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664319437] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:57:02,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:57:02,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:57:02,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807289403] [2024-01-29 22:57:02,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:57:02,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-29 22:57:02,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:57:02,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-29 22:57:02,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-01-29 22:57:03,347 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 327 [2024-01-29 22:57:03,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 286 transitions, 841 flow. Second operand has 5 states, 5 states have (on average 141.8) internal successors, (709), 5 states have internal predecessors, (709), 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 22:57:03,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:57:03,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 327 [2024-01-29 22:57:03,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:57:07,980 INFO L124 PetriNetUnfolderBase]: 22783/43104 cut-off events. [2024-01-29 22:57:07,981 INFO L125 PetriNetUnfolderBase]: For 28246/28417 co-relation queries the response was YES. [2024-01-29 22:57:08,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87351 conditions, 43104 events. 22783/43104 cut-off events. For 28246/28417 co-relation queries the response was YES. Maximal size of possible extension queue 2441. Compared 449538 event pairs, 6139 based on Foata normal form. 108/39143 useless extension candidates. Maximal degree in co-relation 64977. Up to 9584 conditions per place. [2024-01-29 22:57:08,272 INFO L140 encePairwiseOnDemand]: 315/327 looper letters, 229 selfloop transitions, 16 changer transitions 0/358 dead transitions. [2024-01-29 22:57:08,272 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 358 transitions, 1559 flow [2024-01-29 22:57:08,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-29 22:57:08,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-29 22:57:08,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 922 transitions. [2024-01-29 22:57:08,286 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.563914373088685 [2024-01-29 22:57:08,286 INFO L175 Difference]: Start difference. First operand has 280 places, 286 transitions, 841 flow. Second operand 5 states and 922 transitions. [2024-01-29 22:57:08,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 358 transitions, 1559 flow [2024-01-29 22:57:08,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 358 transitions, 1556 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 22:57:08,331 INFO L231 Difference]: Finished difference. Result has 280 places, 285 transitions, 899 flow [2024-01-29 22:57:08,332 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=899, PETRI_PLACES=280, PETRI_TRANSITIONS=285} [2024-01-29 22:57:08,333 INFO L281 CegarLoopForPetriNet]: 321 programPoint places, -41 predicate places. [2024-01-29 22:57:08,333 INFO L495 AbstractCegarLoop]: Abstraction has has 280 places, 285 transitions, 899 flow [2024-01-29 22:57:08,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 141.8) internal successors, (709), 5 states have internal predecessors, (709), 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 22:57:08,334 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:57:08,334 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:57:08,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-01-29 22:57:08,334 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 151 more)] === [2024-01-29 22:57:08,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:57:08,335 INFO L85 PathProgramCache]: Analyzing trace with hash 907227964, now seen corresponding path program 1 times [2024-01-29 22:57:08,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:57:08,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723664490] [2024-01-29 22:57:08,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:57:08,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:57:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:57:08,393 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 22:57:08,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:57:08,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723664490] [2024-01-29 22:57:08,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723664490] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:57:08,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:57:08,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 22:57:08,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784798700] [2024-01-29 22:57:08,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:57:08,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-29 22:57:08,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:57:08,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-29 22:57:08,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-01-29 22:57:08,690 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 327 [2024-01-29 22:57:08,691 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 285 transitions, 899 flow. Second operand has 5 states, 5 states have (on average 163.2) internal successors, (816), 5 states have internal predecessors, (816), 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 22:57:08,691 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:57:08,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 327 [2024-01-29 22:57:08,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:57:13,021 INFO L124 PetriNetUnfolderBase]: 22944/42214 cut-off events. [2024-01-29 22:57:13,021 INFO L125 PetriNetUnfolderBase]: For 39248/39442 co-relation queries the response was YES. [2024-01-29 22:57:13,165 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89838 conditions, 42214 events. 22944/42214 cut-off events. For 39248/39442 co-relation queries the response was YES. Maximal size of possible extension queue 2347. Compared 427166 event pairs, 17162 based on Foata normal form. 83/37660 useless extension candidates. Maximal degree in co-relation 66898. Up to 31201 conditions per place. [2024-01-29 22:57:13,540 INFO L140 encePairwiseOnDemand]: 324/327 looper letters, 153 selfloop transitions, 2 changer transitions 0/284 dead transitions. [2024-01-29 22:57:13,540 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 284 transitions, 1207 flow [2024-01-29 22:57:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:57:13,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:57:13,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 613 transitions. [2024-01-29 22:57:13,546 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6248725790010193 [2024-01-29 22:57:13,546 INFO L175 Difference]: Start difference. First operand has 280 places, 285 transitions, 899 flow. Second operand 3 states and 613 transitions. [2024-01-29 22:57:13,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 284 transitions, 1207 flow [2024-01-29 22:57:13,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 284 transitions, 1193 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:57:13,610 INFO L231 Difference]: Finished difference. Result has 279 places, 284 transitions, 887 flow [2024-01-29 22:57:13,611 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=883, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=887, PETRI_PLACES=279, PETRI_TRANSITIONS=284} [2024-01-29 22:57:13,612 INFO L281 CegarLoopForPetriNet]: 321 programPoint places, -42 predicate places. [2024-01-29 22:57:13,612 INFO L495 AbstractCegarLoop]: Abstraction has has 279 places, 284 transitions, 887 flow [2024-01-29 22:57:13,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 163.2) internal successors, (816), 5 states have internal predecessors, (816), 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 22:57:13,612 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:57:13,613 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 22:57:13,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-01-29 22:57:13,613 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 151 more)] === [2024-01-29 22:57:13,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:57:13,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1940703080, now seen corresponding path program 1 times [2024-01-29 22:57:13,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:57:13,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649854396] [2024-01-29 22:57:13,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:57:13,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:57:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:57:13,676 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 22:57:13,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:57:13,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649854396] [2024-01-29 22:57:13,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649854396] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:57:13,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:57:13,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-29 22:57:13,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706467920] [2024-01-29 22:57:13,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:57:13,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-29 22:57:13,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:57:13,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-29 22:57:13,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-01-29 22:57:14,118 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 327 [2024-01-29 22:57:14,118 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 284 transitions, 887 flow. Second operand has 5 states, 5 states have (on average 158.4) internal successors, (792), 5 states have internal predecessors, (792), 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 22:57:14,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:57:14,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 327 [2024-01-29 22:57:14,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand