./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-exp-term-subst.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-exp-term-subst.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ab2e0ac4 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-exp-term-subst.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-exp-term-subst.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-ab2e0ac-m [2024-01-29 14:17:40,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 14:17:41,032 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 14:17:41,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 14:17:41,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 14:17:41,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 14:17:41,069 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 14:17:41,070 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 14:17:41,070 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 14:17:41,074 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 14:17:41,075 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 14:17:41,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 14:17:41,076 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 14:17:41,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 14:17:41,077 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 14:17:41,078 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 14:17:41,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 14:17:41,078 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 14:17:41,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 14:17:41,079 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 14:17:41,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 14:17:41,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 14:17:41,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 14:17:41,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 14:17:41,080 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 14:17:41,080 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 14:17:41,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 14:17:41,081 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 14:17:41,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 14:17:41,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 14:17:41,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 14:17:41,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 14:17:41,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:17:41,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 14:17:41,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 14:17:41,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 14:17:41,084 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 14:17:41,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 14:17:41,085 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 14:17:41,085 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 14:17:41,085 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 14:17:41,085 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 14:17:41,086 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 14:17:41,086 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 14:17:41,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 14:17:41,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 14:17:41,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 14:17:41,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 14:17:41,387 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 14:17:41,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c [2024-01-29 14:17:42,517 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 14:17:42,717 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 14:17:42,717 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c [2024-01-29 14:17:42,732 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ef40c8a1/12f534b071814cd68f692fdb76301477/FLAG1e324f645 [2024-01-29 14:17:42,748 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ef40c8a1/12f534b071814cd68f692fdb76301477 [2024-01-29 14:17:42,750 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 14:17:42,750 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 14:17:42,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-exp-term-subst.wvr.yml/witness.yml [2024-01-29 14:17:42,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 14:17:42,904 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 14:17:42,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 14:17:42,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 14:17:42,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 14:17:42,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:17:42" (1/2) ... [2024-01-29 14:17:42,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2abe8e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:17:42, skipping insertion in model container [2024-01-29 14:17:42,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:17:42" (1/2) ... [2024-01-29 14:17:42,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e60c78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:17:42, skipping insertion in model container [2024-01-29 14:17:42,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:17:42" (2/2) ... [2024-01-29 14:17:42,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2abe8e00 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:17:42, skipping insertion in model container [2024-01-29 14:17:42,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:17:42" (2/2) ... [2024-01-29 14:17:42,917 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 14:17:42,953 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 14:17:42,955 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] result_8 == 0 [2024-01-29 14:17:42,955 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] val == (_Bool)0 || val == (_Bool)1 [2024-01-29 14:17:42,956 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] sort_label_is_null_5 == (_Bool)0 [2024-01-29 14:17:42,956 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] result_7 == 0 [2024-01-29 14:17:42,956 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] sort_label_is_null_1 == (_Bool)0 || sort_label_is_null_1 == (_Bool)1 [2024-01-29 14:17:42,957 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] result_6 == 0 [2024-01-29 14:17:42,957 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] sort_label_is_null_3 == (_Bool)0 || sort_label_is_null_3 == (_Bool)1 [2024-01-29 14:17:42,957 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] result_8 == 0 [2024-01-29 14:17:42,957 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] sort_label_is_null_3 == (_Bool)0 || sort_label_is_null_3 == (_Bool)1 [2024-01-29 14:17:42,957 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] sort_label_is_null_5 == (_Bool)0 || sort_label_is_null_5 == (_Bool)1 [2024-01-29 14:17:42,958 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] result_7 == 0 [2024-01-29 14:17:42,958 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] result_6 == 0 [2024-01-29 14:17:42,958 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] sort_label_is_null_1 == (_Bool)0 || sort_label_is_null_1 == (_Bool)1 [2024-01-29 14:17:42,958 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] 1 <= b [2024-01-29 14:17:42,958 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] b != 0 [2024-01-29 14:17:42,959 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-29 14:17:42,959 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] result_7 == 0 [2024-01-29 14:17:42,959 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] sort_label_is_null_3 == (_Bool)0 [2024-01-29 14:17:42,959 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] sort_label_is_null_5 == (_Bool)0 [2024-01-29 14:17:42,959 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] result_8 == 0 [2024-01-29 14:17:42,959 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] result_6 == 0 [2024-01-29 14:17:42,960 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] sort_label_is_null_1 == (_Bool)0 || sort_label_is_null_1 == (_Bool)1 [2024-01-29 14:17:42,960 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] sort_label_2 == 0 [2024-01-29 14:17:42,960 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] result_7 == 0 [2024-01-29 14:17:42,960 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] result_8 == 0 [2024-01-29 14:17:42,961 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] sort_label_is_null_5 == (_Bool)0 [2024-01-29 14:17:42,961 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] sort_label_is_null_1 == (_Bool)0 [2024-01-29 14:17:42,961 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] sort_label_is_null_3 == (_Bool)0 [2024-01-29 14:17:42,961 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] result_6 == 0 [2024-01-29 14:17:42,961 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] sort_label_4 == 0 [2024-01-29 14:17:42,961 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] sort_label_2 == 0 [2024-01-29 14:17:42,962 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] sort_label_0 == 0 [2024-01-29 14:17:42,962 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] result_6 == 0 [2024-01-29 14:17:42,962 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] result_7 == 0 [2024-01-29 14:17:42,962 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] sort_label_4 == 0 [2024-01-29 14:17:42,962 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] sort_label_is_null_5 == (_Bool)0 [2024-01-29 14:17:42,962 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] sort_label_is_null_3 == (_Bool)0 [2024-01-29 14:17:42,963 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] result_8 == 0 [2024-01-29 14:17:42,964 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] sort_label_is_null_1 == (_Bool)0 [2024-01-29 14:17:42,964 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] b != 0 [2024-01-29 14:17:42,964 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] b <= -1 [2024-01-29 14:17:42,965 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-01-29 14:17:42,965 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L46] (unsigned long )_argptr == 0UL [2024-01-29 14:17:42,965 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] result_8 == 0 [2024-01-29 14:17:42,965 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] result_6 == 0 [2024-01-29 14:17:42,965 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] result_7 == 0 [2024-01-29 14:17:42,966 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] sort_label_is_null_3 == (_Bool)0 [2024-01-29 14:17:42,966 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] sort_label_4 == 0 [2024-01-29 14:17:42,966 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] sort_label_is_null_1 == (_Bool)0 [2024-01-29 14:17:42,966 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] sort_label_is_null_5 == (_Bool)0 [2024-01-29 14:17:42,966 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-29 14:17:42,967 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] result_7 == 0 [2024-01-29 14:17:42,967 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] result_8 == 0 [2024-01-29 14:17:42,967 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] sort_label_is_null_3 == (_Bool)0 [2024-01-29 14:17:42,967 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] sort_label_is_null_1 == (_Bool)0 [2024-01-29 14:17:42,968 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] sort_label_is_null_5 == (_Bool)0 [2024-01-29 14:17:42,968 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] sort_label_4 == 0 [2024-01-29 14:17:42,969 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] result_6 == 0 [2024-01-29 14:17:42,969 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] sort_label_is_null_3 == (_Bool)0 [2024-01-29 14:17:42,969 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] result_7 == 0 [2024-01-29 14:17:42,969 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] result_8 == 0 [2024-01-29 14:17:42,970 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] sort_label_is_null_1 == (_Bool)0 [2024-01-29 14:17:42,970 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] result_6 == 0 [2024-01-29 14:17:42,970 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] sort_label_is_null_5 == (_Bool)0 [2024-01-29 14:17:42,970 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-29 14:17:42,970 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] result_8 == 0 [2024-01-29 14:17:42,970 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] sort_label_is_null_1 == (_Bool)0 || sort_label_is_null_1 == (_Bool)1 [2024-01-29 14:17:42,971 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] result_6 == 0 [2024-01-29 14:17:42,971 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] result_7 == 0 [2024-01-29 14:17:42,971 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] sort_label_is_null_5 == (_Bool)0 [2024-01-29 14:17:42,971 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] sort_label_is_null_3 == (_Bool)0 || sort_label_is_null_3 == (_Bool)1 [2024-01-29 14:17:42,971 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-29 14:17:42,995 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 14:17:43,201 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-exp-term-subst.wvr.c[3111,3124] [2024-01-29 14:17:43,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:17:43,228 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 14:17:43,241 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 14:17:43,248 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 [2024-01-29 14:17:43,309 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-exp-term-subst.wvr.c[3111,3124] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 14:17:43,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:17:43,343 INFO L206 MainTranslator]: Completed translation [2024-01-29 14:17:43,343 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:17:43 WrapperNode [2024-01-29 14:17:43,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 14:17:43,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 14:17:43,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 14:17:43,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 14:17:43,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:17:43" (1/1) ... [2024-01-29 14:17:43,357 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:17:43" (1/1) ... [2024-01-29 14:17:43,413 INFO L138 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 250 [2024-01-29 14:17:43,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 14:17:43,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 14:17:43,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 14:17:43,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 14:17:43,426 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:17:43" (1/1) ... [2024-01-29 14:17:43,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:17:43" (1/1) ... [2024-01-29 14:17:43,445 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:17:43" (1/1) ... [2024-01-29 14:17:43,471 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 14:17:43,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:17:43" (1/1) ... [2024-01-29 14:17:43,472 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:17:43" (1/1) ... [2024-01-29 14:17:43,496 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:17:43" (1/1) ... [2024-01-29 14:17:43,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:17:43" (1/1) ... [2024-01-29 14:17:43,501 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:17:43" (1/1) ... [2024-01-29 14:17:43,502 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:17:43" (1/1) ... [2024-01-29 14:17:43,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 14:17:43,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 14:17:43,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 14:17:43,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 14:17:43,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:17:43" (1/1) ... [2024-01-29 14:17:43,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:17:43,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 14:17:43,543 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 14:17:43,544 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 14:17:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 14:17:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 14:17:43,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 14:17:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 14:17:43,577 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 14:17:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-29 14:17:43,577 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-29 14:17:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 14:17:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 14:17:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 14:17:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 14:17:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 14:17:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 14:17:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 14:17:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 14:17:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 14:17:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 14:17:43,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 14:17:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 14:17:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 14:17:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 14:17:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 14:17:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 14:17:43,582 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 14:17:43,680 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 14:17:43,682 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 14:17:44,055 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 14:17:44,055 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 14:17:44,232 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 14:17:44,232 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-29 14:17:44,233 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:17:44 BoogieIcfgContainer [2024-01-29 14:17:44,233 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 14:17:44,235 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 14:17:44,235 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 14:17:44,239 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 14:17:44,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 02:17:42" (1/4) ... [2024-01-29 14:17:44,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af7d5cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:17:44, skipping insertion in model container [2024-01-29 14:17:44,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:17:42" (2/4) ... [2024-01-29 14:17:44,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af7d5cd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:17:44, skipping insertion in model container [2024-01-29 14:17:44,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:17:43" (3/4) ... [2024-01-29 14:17:44,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af7d5cd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:17:44, skipping insertion in model container [2024-01-29 14:17:44,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:17:44" (4/4) ... [2024-01-29 14:17:44,242 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-exp-term-subst.wvr.c [2024-01-29 14:17:44,260 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 14:17:44,260 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 67 error locations. [2024-01-29 14:17:44,260 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 14:17:44,342 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-29 14:17:44,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 181 places, 180 transitions, 381 flow [2024-01-29 14:17:44,442 INFO L124 PetriNetUnfolderBase]: 9/177 cut-off events. [2024-01-29 14:17:44,443 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-29 14:17:44,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 177 events. 9/177 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 316 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 149. Up to 2 conditions per place. [2024-01-29 14:17:44,448 INFO L82 GeneralOperation]: Start removeDead. Operand has 181 places, 180 transitions, 381 flow [2024-01-29 14:17:44,453 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 177 places, 176 transitions, 370 flow [2024-01-29 14:17:44,461 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 14:17:44,467 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;@225794b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 14:17:44,468 INFO L358 AbstractCegarLoop]: Starting to check reachability of 88 error locations. [2024-01-29 14:17:44,470 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 14:17:44,470 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 14:17:44,470 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:17:44,471 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:17:44,471 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 14:17:44,472 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 85 more)] === [2024-01-29 14:17:44,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:17:44,477 INFO L85 PathProgramCache]: Analyzing trace with hash 22251, now seen corresponding path program 1 times [2024-01-29 14:17:44,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:17:44,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935850709] [2024-01-29 14:17:44,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:17:44,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:17:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:17:44,832 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 14:17:44,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:17:44,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935850709] [2024-01-29 14:17:44,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935850709] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:17:44,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:17:44,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:17:44,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794868660] [2024-01-29 14:17:44,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:17:44,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:17:44,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:17:44,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:17:44,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:17:44,932 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 180 [2024-01-29 14:17:44,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 176 transitions, 370 flow. Second operand has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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 14:17:44,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:17:44,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 180 [2024-01-29 14:17:44,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:17:45,925 INFO L124 PetriNetUnfolderBase]: 3203/5404 cut-off events. [2024-01-29 14:17:45,925 INFO L125 PetriNetUnfolderBase]: For 159/159 co-relation queries the response was YES. [2024-01-29 14:17:45,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10058 conditions, 5404 events. 3203/5404 cut-off events. For 159/159 co-relation queries the response was YES. Maximal size of possible extension queue 606. Compared 41543 event pairs, 2653 based on Foata normal form. 4/4336 useless extension candidates. Maximal degree in co-relation 9035. Up to 4427 conditions per place. [2024-01-29 14:17:45,988 INFO L140 encePairwiseOnDemand]: 174/180 looper letters, 45 selfloop transitions, 2 changer transitions 0/172 dead transitions. [2024-01-29 14:17:45,988 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 172 transitions, 456 flow [2024-01-29 14:17:45,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:17:45,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:17:46,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 435 transitions. [2024-01-29 14:17:46,009 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8055555555555556 [2024-01-29 14:17:46,011 INFO L175 Difference]: Start difference. First operand has 177 places, 176 transitions, 370 flow. Second operand 3 states and 435 transitions. [2024-01-29 14:17:46,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 172 transitions, 456 flow [2024-01-29 14:17:46,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 172 transitions, 444 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-01-29 14:17:46,028 INFO L231 Difference]: Finished difference. Result has 169 places, 172 transitions, 354 flow [2024-01-29 14:17:46,031 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=354, PETRI_PLACES=169, PETRI_TRANSITIONS=172} [2024-01-29 14:17:46,036 INFO L281 CegarLoopForPetriNet]: 177 programPoint places, -8 predicate places. [2024-01-29 14:17:46,036 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 172 transitions, 354 flow [2024-01-29 14:17:46,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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 14:17:46,037 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:17:46,037 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-29 14:17:46,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 14:17:46,038 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 85 more)] === [2024-01-29 14:17:46,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:17:46,039 INFO L85 PathProgramCache]: Analyzing trace with hash 690464, now seen corresponding path program 1 times [2024-01-29 14:17:46,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:17:46,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675148734] [2024-01-29 14:17:46,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:17:46,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:17:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:17:46,099 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 14:17:46,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:17:46,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675148734] [2024-01-29 14:17:46,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675148734] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:17:46,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:17:46,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:17:46,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93083412] [2024-01-29 14:17:46,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:17:46,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:17:46,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:17:46,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:17:46,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:17:46,114 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 180 [2024-01-29 14:17:46,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 172 transitions, 354 flow. Second operand has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 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 14:17:46,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:17:46,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 180 [2024-01-29 14:17:46,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:17:46,870 INFO L124 PetriNetUnfolderBase]: 3203/5415 cut-off events. [2024-01-29 14:17:46,870 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-01-29 14:17:46,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9924 conditions, 5415 events. 3203/5415 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 607. Compared 41881 event pairs, 2013 based on Foata normal form. 0/4344 useless extension candidates. Maximal degree in co-relation 9858. Up to 3429 conditions per place. [2024-01-29 14:17:46,915 INFO L140 encePairwiseOnDemand]: 171/180 looper letters, 67 selfloop transitions, 2 changer transitions 0/186 dead transitions. [2024-01-29 14:17:46,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 186 transitions, 522 flow [2024-01-29 14:17:46,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:17:46,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:17:46,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 448 transitions. [2024-01-29 14:17:46,918 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8296296296296296 [2024-01-29 14:17:46,919 INFO L175 Difference]: Start difference. First operand has 169 places, 172 transitions, 354 flow. Second operand 3 states and 448 transitions. [2024-01-29 14:17:46,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 186 transitions, 522 flow [2024-01-29 14:17:46,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 186 transitions, 518 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:17:46,925 INFO L231 Difference]: Finished difference. Result has 162 places, 165 transitions, 340 flow [2024-01-29 14:17:46,926 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=340, PETRI_PLACES=162, PETRI_TRANSITIONS=165} [2024-01-29 14:17:46,927 INFO L281 CegarLoopForPetriNet]: 177 programPoint places, -15 predicate places. [2024-01-29 14:17:46,927 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 165 transitions, 340 flow [2024-01-29 14:17:46,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 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 14:17:46,927 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:17:46,927 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-29 14:17:46,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 14:17:46,928 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 85 more)] === [2024-01-29 14:17:46,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:17:46,930 INFO L85 PathProgramCache]: Analyzing trace with hash 21405201, now seen corresponding path program 1 times [2024-01-29 14:17:46,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:17:46,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018268594] [2024-01-29 14:17:46,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:17:46,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:17:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:17:47,022 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 14:17:47,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:17:47,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018268594] [2024-01-29 14:17:47,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018268594] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:17:47,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:17:47,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:17:47,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795224864] [2024-01-29 14:17:47,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:17:47,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:17:47,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:17:47,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:17:47,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:17:47,056 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 180 [2024-01-29 14:17:47,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 165 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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 14:17:47,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:17:47,058 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 180 [2024-01-29 14:17:47,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:17:47,744 INFO L124 PetriNetUnfolderBase]: 3203/5392 cut-off events. [2024-01-29 14:17:47,744 INFO L125 PetriNetUnfolderBase]: For 132/132 co-relation queries the response was YES. [2024-01-29 14:17:47,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10044 conditions, 5392 events. 3203/5392 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 606. Compared 41552 event pairs, 2653 based on Foata normal form. 4/4331 useless extension candidates. Maximal degree in co-relation 7759. Up to 4425 conditions per place. [2024-01-29 14:17:47,779 INFO L140 encePairwiseOnDemand]: 173/180 looper letters, 44 selfloop transitions, 2 changer transitions 0/160 dead transitions. [2024-01-29 14:17:47,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 160 transitions, 422 flow [2024-01-29 14:17:47,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:17:47,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:17:47,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 435 transitions. [2024-01-29 14:17:47,781 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8055555555555556 [2024-01-29 14:17:47,781 INFO L175 Difference]: Start difference. First operand has 162 places, 165 transitions, 340 flow. Second operand 3 states and 435 transitions. [2024-01-29 14:17:47,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 160 transitions, 422 flow [2024-01-29 14:17:47,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 160 transitions, 418 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:17:47,788 INFO L231 Difference]: Finished difference. Result has 157 places, 160 transitions, 330 flow [2024-01-29 14:17:47,789 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=157, PETRI_TRANSITIONS=160} [2024-01-29 14:17:47,790 INFO L281 CegarLoopForPetriNet]: 177 programPoint places, -20 predicate places. [2024-01-29 14:17:47,790 INFO L495 AbstractCegarLoop]: Abstraction has has 157 places, 160 transitions, 330 flow [2024-01-29 14:17:47,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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 14:17:47,791 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:17:47,791 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-29 14:17:47,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 14:17:47,795 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 85 more)] === [2024-01-29 14:17:47,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:17:47,796 INFO L85 PathProgramCache]: Analyzing trace with hash 663562062, now seen corresponding path program 1 times [2024-01-29 14:17:47,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:17:47,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705903658] [2024-01-29 14:17:47,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:17:47,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:17:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:17:47,887 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 14:17:47,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:17:47,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705903658] [2024-01-29 14:17:47,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705903658] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:17:47,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:17:47,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:17:47,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184639092] [2024-01-29 14:17:47,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:17:47,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:17:47,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:17:47,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:17:47,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:17:47,918 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 180 [2024-01-29 14:17:47,918 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 160 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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 14:17:47,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:17:47,919 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 180 [2024-01-29 14:17:47,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:17:48,508 INFO L124 PetriNetUnfolderBase]: 3203/5386 cut-off events. [2024-01-29 14:17:48,508 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-01-29 14:17:48,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9892 conditions, 5386 events. 3203/5386 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 606. Compared 41518 event pairs, 2653 based on Foata normal form. 6/4332 useless extension candidates. Maximal degree in co-relation 9827. Up to 4423 conditions per place. [2024-01-29 14:17:48,543 INFO L140 encePairwiseOnDemand]: 172/180 looper letters, 43 selfloop transitions, 2 changer transitions 0/154 dead transitions. [2024-01-29 14:17:48,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 154 transitions, 408 flow [2024-01-29 14:17:48,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:17:48,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:17:48,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 435 transitions. [2024-01-29 14:17:48,546 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8055555555555556 [2024-01-29 14:17:48,546 INFO L175 Difference]: Start difference. First operand has 157 places, 160 transitions, 330 flow. Second operand 3 states and 435 transitions. [2024-01-29 14:17:48,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 154 transitions, 408 flow [2024-01-29 14:17:48,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 154 transitions, 404 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:17:48,549 INFO L231 Difference]: Finished difference. Result has 151 places, 154 transitions, 318 flow [2024-01-29 14:17:48,549 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=151, PETRI_TRANSITIONS=154} [2024-01-29 14:17:48,551 INFO L281 CegarLoopForPetriNet]: 177 programPoint places, -26 predicate places. [2024-01-29 14:17:48,551 INFO L495 AbstractCegarLoop]: Abstraction has has 151 places, 154 transitions, 318 flow [2024-01-29 14:17:48,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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 14:17:48,552 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:17:48,552 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-29 14:17:48,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 14:17:48,552 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 85 more)] === [2024-01-29 14:17:48,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:17:48,553 INFO L85 PathProgramCache]: Analyzing trace with hash -904411889, now seen corresponding path program 1 times [2024-01-29 14:17:48,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:17:48,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431073373] [2024-01-29 14:17:48,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:17:48,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:17:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:17:48,592 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 14:17:48,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:17:48,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431073373] [2024-01-29 14:17:48,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431073373] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:17:48,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:17:48,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:17:48,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813421749] [2024-01-29 14:17:48,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:17:48,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:17:48,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:17:48,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:17:48,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:17:48,603 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 180 [2024-01-29 14:17:48,604 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 154 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 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 14:17:48,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:17:48,604 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 180 [2024-01-29 14:17:48,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:17:49,292 INFO L124 PetriNetUnfolderBase]: 3203/5383 cut-off events. [2024-01-29 14:17:49,293 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-01-29 14:17:49,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9891 conditions, 5383 events. 3203/5383 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 606. Compared 41598 event pairs, 2653 based on Foata normal form. 0/4325 useless extension candidates. Maximal degree in co-relation 9815. Up to 4425 conditions per place. [2024-01-29 14:17:49,323 INFO L140 encePairwiseOnDemand]: 175/180 looper letters, 45 selfloop transitions, 2 changer transitions 0/151 dead transitions. [2024-01-29 14:17:49,323 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 151 transitions, 406 flow [2024-01-29 14:17:49,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:17:49,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:17:49,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 437 transitions. [2024-01-29 14:17:49,325 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8092592592592592 [2024-01-29 14:17:49,326 INFO L175 Difference]: Start difference. First operand has 151 places, 154 transitions, 318 flow. Second operand 3 states and 437 transitions. [2024-01-29 14:17:49,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 151 transitions, 406 flow [2024-01-29 14:17:49,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 151 transitions, 402 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:17:49,328 INFO L231 Difference]: Finished difference. Result has 148 places, 151 transitions, 312 flow [2024-01-29 14:17:49,329 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=312, PETRI_PLACES=148, PETRI_TRANSITIONS=151} [2024-01-29 14:17:49,331 INFO L281 CegarLoopForPetriNet]: 177 programPoint places, -29 predicate places. [2024-01-29 14:17:49,332 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 151 transitions, 312 flow [2024-01-29 14:17:49,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 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 14:17:49,333 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:17:49,333 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:17:49,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 14:17:49,333 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 85 more)] === [2024-01-29 14:17:49,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:17:49,334 INFO L85 PathProgramCache]: Analyzing trace with hash 2028003309, now seen corresponding path program 1 times [2024-01-29 14:17:49,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:17:49,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172750963] [2024-01-29 14:17:49,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:17:49,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:17:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:17:49,369 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 14:17:49,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:17:49,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172750963] [2024-01-29 14:17:49,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172750963] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:17:49,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:17:49,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:17:49,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240796559] [2024-01-29 14:17:49,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:17:49,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:17:49,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:17:49,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:17:49,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:17:49,383 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 180 [2024-01-29 14:17:49,384 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 151 transitions, 312 flow. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 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 14:17:49,384 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:17:49,384 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 180 [2024-01-29 14:17:49,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:17:49,961 INFO L124 PetriNetUnfolderBase]: 3203/5392 cut-off events. [2024-01-29 14:17:49,961 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-01-29 14:17:49,972 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9903 conditions, 5392 events. 3203/5392 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 607. Compared 42079 event pairs, 1943 based on Foata normal form. 0/4375 useless extension candidates. Maximal degree in co-relation 9860. Up to 3311 conditions per place. [2024-01-29 14:17:49,994 INFO L140 encePairwiseOnDemand]: 171/180 looper letters, 69 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2024-01-29 14:17:49,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 165 transitions, 484 flow [2024-01-29 14:17:49,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:17:49,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:17:49,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 444 transitions. [2024-01-29 14:17:49,996 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8222222222222222 [2024-01-29 14:17:49,996 INFO L175 Difference]: Start difference. First operand has 148 places, 151 transitions, 312 flow. Second operand 3 states and 444 transitions. [2024-01-29 14:17:49,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 165 transitions, 484 flow [2024-01-29 14:17:49,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 165 transitions, 480 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:17:49,999 INFO L231 Difference]: Finished difference. Result has 141 places, 144 transitions, 298 flow [2024-01-29 14:17:50,000 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=298, PETRI_PLACES=141, PETRI_TRANSITIONS=144} [2024-01-29 14:17:50,000 INFO L281 CegarLoopForPetriNet]: 177 programPoint places, -36 predicate places. [2024-01-29 14:17:50,001 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 144 transitions, 298 flow [2024-01-29 14:17:50,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 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 14:17:50,001 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:17:50,001 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:17:50,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-29 14:17:50,002 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 85 more)] === [2024-01-29 14:17:50,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:17:50,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1556406155, now seen corresponding path program 1 times [2024-01-29 14:17:50,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:17:50,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601829631] [2024-01-29 14:17:50,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:17:50,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:17:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:17:50,022 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 14:17:50,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:17:50,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601829631] [2024-01-29 14:17:50,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601829631] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:17:50,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:17:50,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:17:50,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392083448] [2024-01-29 14:17:50,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:17:50,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:17:50,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:17:50,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:17:50,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:17:50,037 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 180 [2024-01-29 14:17:50,038 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 144 transitions, 298 flow. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 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 14:17:50,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:17:50,039 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 180 [2024-01-29 14:17:50,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:17:50,574 INFO L124 PetriNetUnfolderBase]: 3191/5363 cut-off events. [2024-01-29 14:17:50,575 INFO L125 PetriNetUnfolderBase]: For 154/154 co-relation queries the response was YES. [2024-01-29 14:17:50,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10034 conditions, 5363 events. 3191/5363 cut-off events. For 154/154 co-relation queries the response was YES. Maximal size of possible extension queue 610. Compared 41861 event pairs, 1775 based on Foata normal form. 0/4390 useless extension candidates. Maximal degree in co-relation 7463. Up to 3017 conditions per place. [2024-01-29 14:17:50,612 INFO L140 encePairwiseOnDemand]: 170/180 looper letters, 69 selfloop transitions, 3 changer transitions 0/158 dead transitions. [2024-01-29 14:17:50,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 158 transitions, 474 flow [2024-01-29 14:17:50,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:17:50,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:17:50,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 442 transitions. [2024-01-29 14:17:50,614 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8185185185185185 [2024-01-29 14:17:50,615 INFO L175 Difference]: Start difference. First operand has 141 places, 144 transitions, 298 flow. Second operand 3 states and 442 transitions. [2024-01-29 14:17:50,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 158 transitions, 474 flow [2024-01-29 14:17:50,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 158 transitions, 468 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:17:50,618 INFO L231 Difference]: Finished difference. Result has 134 places, 137 transitions, 286 flow [2024-01-29 14:17:50,618 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=286, PETRI_PLACES=134, PETRI_TRANSITIONS=137} [2024-01-29 14:17:50,619 INFO L281 CegarLoopForPetriNet]: 177 programPoint places, -43 predicate places. [2024-01-29 14:17:50,619 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 137 transitions, 286 flow [2024-01-29 14:17:50,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 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 14:17:50,620 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:17:50,620 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:17:50,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-29 14:17:50,620 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 85 more)] === [2024-01-29 14:17:50,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:17:50,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1003949813, now seen corresponding path program 1 times [2024-01-29 14:17:50,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:17:50,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585756726] [2024-01-29 14:17:50,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:17:50,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:17:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:17:50,649 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 14:17:50,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:17:50,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585756726] [2024-01-29 14:17:50,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585756726] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:17:50,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:17:50,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:17:50,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617309703] [2024-01-29 14:17:50,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:17:50,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:17:50,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:17:50,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:17:50,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:17:50,660 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 180 [2024-01-29 14:17:50,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 137 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 133.66666666666666) internal successors, (401), 3 states have internal predecessors, (401), 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 14:17:50,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:17:50,661 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 180 [2024-01-29 14:17:50,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:17:51,102 INFO L124 PetriNetUnfolderBase]: 3203/5368 cut-off events. [2024-01-29 14:17:51,102 INFO L125 PetriNetUnfolderBase]: For 173/173 co-relation queries the response was YES. [2024-01-29 14:17:51,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10020 conditions, 5368 events. 3203/5368 cut-off events. For 173/173 co-relation queries the response was YES. Maximal size of possible extension queue 606. Compared 41488 event pairs, 2653 based on Foata normal form. 0/4324 useless extension candidates. Maximal degree in co-relation 6860. Up to 4427 conditions per place. [2024-01-29 14:17:51,146 INFO L140 encePairwiseOnDemand]: 177/180 looper letters, 43 selfloop transitions, 2 changer transitions 0/136 dead transitions. [2024-01-29 14:17:51,146 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 136 transitions, 374 flow [2024-01-29 14:17:51,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:17:51,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:17:51,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2024-01-29 14:17:51,148 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8240740740740741 [2024-01-29 14:17:51,149 INFO L175 Difference]: Start difference. First operand has 134 places, 137 transitions, 286 flow. Second operand 3 states and 445 transitions. [2024-01-29 14:17:51,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 136 transitions, 374 flow [2024-01-29 14:17:51,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 136 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:17:51,152 INFO L231 Difference]: Finished difference. Result has 133 places, 136 transitions, 282 flow [2024-01-29 14:17:51,152 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=133, PETRI_TRANSITIONS=136} [2024-01-29 14:17:51,153 INFO L281 CegarLoopForPetriNet]: 177 programPoint places, -44 predicate places. [2024-01-29 14:17:51,153 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 136 transitions, 282 flow [2024-01-29 14:17:51,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.66666666666666) internal successors, (401), 3 states have internal predecessors, (401), 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 14:17:51,154 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:17:51,154 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:17:51,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-29 14:17:51,154 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 85 more)] === [2024-01-29 14:17:51,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:17:51,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1057672312, now seen corresponding path program 1 times [2024-01-29 14:17:51,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:17:51,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113563942] [2024-01-29 14:17:51,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:17:51,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:17:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:17:51,173 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 14:17:51,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:17:51,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113563942] [2024-01-29 14:17:51,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113563942] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:17:51,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:17:51,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:17:51,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450410630] [2024-01-29 14:17:51,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:17:51,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:17:51,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:17:51,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:17:51,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:17:51,181 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 180 [2024-01-29 14:17:51,182 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 136 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 133.66666666666666) internal successors, (401), 3 states have internal predecessors, (401), 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 14:17:51,182 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:17:51,182 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 180 [2024-01-29 14:17:51,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:17:51,728 INFO L124 PetriNetUnfolderBase]: 3203/5366 cut-off events. [2024-01-29 14:17:51,728 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-01-29 14:17:51,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9871 conditions, 5366 events. 3203/5366 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 606. Compared 41617 event pairs, 2653 based on Foata normal form. 1/4323 useless extension candidates. Maximal degree in co-relation 9854. Up to 4426 conditions per place. [2024-01-29 14:17:51,764 INFO L140 encePairwiseOnDemand]: 176/180 looper letters, 42 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2024-01-29 14:17:51,764 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 134 transitions, 366 flow [2024-01-29 14:17:51,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:17:51,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:17:51,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2024-01-29 14:17:51,766 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8240740740740741 [2024-01-29 14:17:51,766 INFO L175 Difference]: Start difference. First operand has 133 places, 136 transitions, 282 flow. Second operand 3 states and 445 transitions. [2024-01-29 14:17:51,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 134 transitions, 366 flow [2024-01-29 14:17:51,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 134 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:17:51,769 INFO L231 Difference]: Finished difference. Result has 131 places, 134 transitions, 278 flow [2024-01-29 14:17:51,770 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=131, PETRI_TRANSITIONS=134} [2024-01-29 14:17:51,770 INFO L281 CegarLoopForPetriNet]: 177 programPoint places, -46 predicate places. [2024-01-29 14:17:51,770 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 134 transitions, 278 flow [2024-01-29 14:17:51,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.66666666666666) internal successors, (401), 3 states have internal predecessors, (401), 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 14:17:51,771 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:17:51,771 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:17:51,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-29 14:17:51,772 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 85 more)] === [2024-01-29 14:17:51,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:17:51,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1469377899, now seen corresponding path program 1 times [2024-01-29 14:17:51,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:17:51,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497391405] [2024-01-29 14:17:51,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:17:51,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:17:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:17:51,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 14:17:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:17:51,824 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 14:17:51,824 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 14:17:51,825 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 88 remaining) [2024-01-29 14:17:51,830 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 88 remaining) [2024-01-29 14:17:51,831 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 88 remaining) [2024-01-29 14:17:51,831 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 88 remaining) [2024-01-29 14:17:51,831 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 88 remaining) [2024-01-29 14:17:51,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 88 remaining) [2024-01-29 14:17:51,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 88 remaining) [2024-01-29 14:17:51,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 88 remaining) [2024-01-29 14:17:51,833 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 88 remaining) [2024-01-29 14:17:51,834 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 88 remaining) [2024-01-29 14:17:51,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 88 remaining) [2024-01-29 14:17:51,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 88 remaining) [2024-01-29 14:17:51,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 88 remaining) [2024-01-29 14:17:51,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 88 remaining) [2024-01-29 14:17:51,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 88 remaining) [2024-01-29 14:17:51,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 88 remaining) [2024-01-29 14:17:51,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 88 remaining) [2024-01-29 14:17:51,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 88 remaining) [2024-01-29 14:17:51,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 88 remaining) [2024-01-29 14:17:51,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 88 remaining) [2024-01-29 14:17:51,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 88 remaining) [2024-01-29 14:17:51,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 88 remaining) [2024-01-29 14:17:51,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 88 remaining) [2024-01-29 14:17:51,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 88 remaining) [2024-01-29 14:17:51,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 88 remaining) [2024-01-29 14:17:51,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 88 remaining) [2024-01-29 14:17:51,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 88 remaining) [2024-01-29 14:17:51,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 88 remaining) [2024-01-29 14:17:51,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 88 remaining) [2024-01-29 14:17:51,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 88 remaining) [2024-01-29 14:17:51,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 88 remaining) [2024-01-29 14:17:51,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 88 remaining) [2024-01-29 14:17:51,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 88 remaining) [2024-01-29 14:17:51,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 88 remaining) [2024-01-29 14:17:51,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 88 remaining) [2024-01-29 14:17:51,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 88 remaining) [2024-01-29 14:17:51,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 88 remaining) [2024-01-29 14:17:51,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 88 remaining) [2024-01-29 14:17:51,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 88 remaining) [2024-01-29 14:17:51,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 88 remaining) [2024-01-29 14:17:51,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 88 remaining) [2024-01-29 14:17:51,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 88 remaining) [2024-01-29 14:17:51,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 88 remaining) [2024-01-29 14:17:51,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 88 remaining) [2024-01-29 14:17:51,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 88 remaining) [2024-01-29 14:17:51,842 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 88 remaining) [2024-01-29 14:17:51,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 88 remaining) [2024-01-29 14:17:51,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 88 remaining) [2024-01-29 14:17:51,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 88 remaining) [2024-01-29 14:17:51,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 88 remaining) [2024-01-29 14:17:51,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 88 remaining) [2024-01-29 14:17:51,844 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 88 remaining) [2024-01-29 14:17:51,844 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 88 remaining) [2024-01-29 14:17:51,844 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 88 remaining) [2024-01-29 14:17:51,844 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 88 remaining) [2024-01-29 14:17:51,844 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 88 remaining) [2024-01-29 14:17:51,845 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 88 remaining) [2024-01-29 14:17:51,845 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 88 remaining) [2024-01-29 14:17:51,845 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 88 remaining) [2024-01-29 14:17:51,845 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 88 remaining) [2024-01-29 14:17:51,846 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 88 remaining) [2024-01-29 14:17:51,846 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 88 remaining) [2024-01-29 14:17:51,846 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 88 remaining) [2024-01-29 14:17:51,846 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 88 remaining) [2024-01-29 14:17:51,846 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 88 remaining) [2024-01-29 14:17:51,846 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 88 remaining) [2024-01-29 14:17:51,847 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION (21 of 88 remaining) [2024-01-29 14:17:51,847 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 88 remaining) [2024-01-29 14:17:51,847 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 88 remaining) [2024-01-29 14:17:51,847 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 88 remaining) [2024-01-29 14:17:51,847 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 88 remaining) [2024-01-29 14:17:51,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 88 remaining) [2024-01-29 14:17:51,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 88 remaining) [2024-01-29 14:17:51,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 88 remaining) [2024-01-29 14:17:51,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 88 remaining) [2024-01-29 14:17:51,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 88 remaining) [2024-01-29 14:17:51,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 88 remaining) [2024-01-29 14:17:51,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 88 remaining) [2024-01-29 14:17:51,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 88 remaining) [2024-01-29 14:17:51,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 88 remaining) [2024-01-29 14:17:51,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 88 remaining) [2024-01-29 14:17:51,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 88 remaining) [2024-01-29 14:17:51,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 88 remaining) [2024-01-29 14:17:51,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 88 remaining) [2024-01-29 14:17:51,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 88 remaining) [2024-01-29 14:17:51,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 88 remaining) [2024-01-29 14:17:51,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 88 remaining) [2024-01-29 14:17:51,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 88 remaining) [2024-01-29 14:17:51,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-01-29 14:17:51,851 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:17:51,864 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 14:17:51,864 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 14:17:51,929 INFO L503 ceAbstractionStarter]: Automizer considered 66 witness invariants [2024-01-29 14:17:51,932 INFO L504 ceAbstractionStarter]: WitnessConsidered=66 [2024-01-29 14:17:51,933 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 02:17:51 BasicIcfg [2024-01-29 14:17:51,933 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 14:17:51,934 INFO L158 Benchmark]: Toolchain (without parser) took 9030.13ms. Allocated memory was 151.0MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 72.7MB in the beginning and 2.2GB in the end (delta: -2.2GB). Peak memory consumption was 309.2MB. Max. memory is 16.1GB. [2024-01-29 14:17:51,936 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory was 101.8MB in the beginning and 101.6MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:17:51,936 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 151.0MB. Free memory was 77.8MB in the beginning and 77.6MB in the end (delta: 169.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:17:51,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.64ms. Allocated memory is still 151.0MB. Free memory was 72.6MB in the beginning and 118.9MB in the end (delta: -46.3MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2024-01-29 14:17:51,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.54ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 118.9MB in the beginning and 155.7MB in the end (delta: -36.8MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-01-29 14:17:51,937 INFO L158 Benchmark]: Boogie Preprocessor took 90.28ms. Allocated memory is still 186.6MB. Free memory was 155.7MB in the beginning and 152.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-29 14:17:51,937 INFO L158 Benchmark]: RCFGBuilder took 727.58ms. Allocated memory is still 186.6MB. Free memory was 152.4MB in the beginning and 94.9MB in the end (delta: 57.5MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-01-29 14:17:51,937 INFO L158 Benchmark]: TraceAbstraction took 7698.41ms. Allocated memory was 186.6MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 94.9MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 295.1MB. Max. memory is 16.1GB. [2024-01-29 14:17:51,940 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory was 101.8MB in the beginning and 101.6MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 151.0MB. Free memory was 77.8MB in the beginning and 77.6MB in the end (delta: 169.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.64ms. Allocated memory is still 151.0MB. Free memory was 72.6MB in the beginning and 118.9MB in the end (delta: -46.3MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.54ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 118.9MB in the beginning and 155.7MB in the end (delta: -36.8MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.28ms. Allocated memory is still 186.6MB. Free memory was 155.7MB in the beginning and 152.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 727.58ms. Allocated memory is still 186.6MB. Free memory was 152.4MB in the beginning and 94.9MB in the end (delta: 57.5MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7698.41ms. Allocated memory was 186.6MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 94.9MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 295.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 68]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] int sort_label_0, sort_label_2, sort_label_4, result_6, result_7, result_8; [L39] _Bool sort_label_is_null_1, sort_label_is_null_3, sort_label_is_null_5; [L62] pthread_t t1, t2, t3; VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L64] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L64] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[result_8],IntegerLiteral[0]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L64] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L64] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L64] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[sort_label_4],IntegerLiteral[0]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L64] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[result_7],IntegerLiteral[0]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L64] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[result_6],IntegerLiteral[0]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L64] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[sort_label_0],IntegerLiteral[0]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L64] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[sort_label_2],IntegerLiteral[0]]]] [L64] sort_label_0 = __VERIFIER_nondet_int() [L65] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[sort_label_4],IntegerLiteral[0]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L65] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[result_6],IntegerLiteral[0]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L65] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L65] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L65] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L65] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[result_8],IntegerLiteral[0]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L65] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[result_7],IntegerLiteral[0]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L65] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[sort_label_2],IntegerLiteral[0]]]] [L65] sort_label_2 = __VERIFIER_nondet_int() [L66] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L66] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L66] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[sort_label_4],IntegerLiteral[0]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L66] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L66] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[result_7],IntegerLiteral[0]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L66] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[result_6],IntegerLiteral[0]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L66] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[result_8],IntegerLiteral[0]]]] [L66] sort_label_4 = __VERIFIER_nondet_int() [L67] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L67] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[result_6],IntegerLiteral[0]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L67] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L67] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[result_8],IntegerLiteral[0]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L67] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[result_7],IntegerLiteral[0]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] [L67] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] [L67] sort_label_is_null_1 = __VERIFIER_nondet_bool() [L68] CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_1],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=2, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={3:0}, t3={6:0}] - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 73]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 235 locations, 88 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.5s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 346 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 213 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 837 IncrementalHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 19 mSDtfsCounter, 837 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=370occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-29 14:17:51,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE