./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-time-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-time-subst.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 59af5db6 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-time-subst.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-time-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-59af5db-m [2024-02-02 09:19:51,921 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-02 09:19:51,966 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-02 09:19:51,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-02 09:19:51,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-02 09:19:51,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-02 09:19:51,983 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-02 09:19:51,984 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-02 09:19:51,984 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-02 09:19:51,984 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-02 09:19:51,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-02 09:19:51,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-02 09:19:51,985 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-02 09:19:51,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-02 09:19:51,986 INFO L153 SettingsManager]: * Use SBE=true [2024-02-02 09:19:51,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-02 09:19:51,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-02 09:19:51,986 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-02 09:19:51,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-02 09:19:51,987 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-02 09:19:51,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-02 09:19:51,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-02 09:19:51,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-02 09:19:51,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-02 09:19:52,000 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-02 09:19:52,001 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-02 09:19:52,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-02 09:19:52,002 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-02 09:19:52,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-02 09:19:52,003 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-02 09:19:52,003 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-02 09:19:52,003 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-02 09:19:52,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:19:52,004 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-02 09:19:52,004 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-02 09:19:52,004 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-02 09:19:52,004 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-02 09:19:52,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-02 09:19:52,004 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-02 09:19:52,004 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-02 09:19:52,004 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-02 09:19:52,005 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-02 09:19:52,005 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-02 09:19:52,005 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-02 09:19:52,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-02 09:19:52,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-02 09:19:52,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-02 09:19:52,283 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-02 09:19:52,283 INFO L274 PluginConnector]: CDTParser initialized [2024-02-02 09:19:52,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-time-subst.wvr.c [2024-02-02 09:19:53,327 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-02 09:19:53,482 INFO L384 CDTParser]: Found 1 translation units. [2024-02-02 09:19:53,485 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-subst.wvr.c [2024-02-02 09:19:53,492 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1352d27a4/811a75e6118d4115b8e2fa528409020d/FLAG253c43ee9 [2024-02-02 09:19:53,503 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1352d27a4/811a75e6118d4115b8e2fa528409020d [2024-02-02 09:19:53,505 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-02 09:19:53,505 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-02 09:19:53,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-time-subst.wvr.yml/witness.yml [2024-02-02 09:19:53,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-02 09:19:53,610 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-02 09:19:53,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-02 09:19:53,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-02 09:19:53,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-02 09:19:53,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:19:53" (1/2) ... [2024-02-02 09:19:53,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bc21b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:19:53, skipping insertion in model container [2024-02-02 09:19:53,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:19:53" (1/2) ... [2024-02-02 09:19:53,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c32ae74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:19:53, skipping insertion in model container [2024-02-02 09:19:53,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:19:53" (2/2) ... [2024-02-02 09:19:53,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bc21b2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:53, skipping insertion in model container [2024-02-02 09:19:53,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:19:53" (2/2) ... [2024-02-02 09:19:53,624 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-02 09:19:53,646 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-02 09:19:53,647 INFO L101 nessWitnessExtractor]: Location invariant before [L22-L25] cmp_8 == 0 [2024-02-02 09:19:53,647 INFO L101 nessWitnessExtractor]: Location invariant before [L82-L82] cmp_8 == 0 [2024-02-02 09:19:53,648 INFO L101 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-02-02 09:19:53,648 INFO L101 nessWitnessExtractor]: Location invariant before [L77-L77] (((((volume_totale_1 == 0) && (volume_totale_3 == 0)) && (volume_totale_5 == 0)) && (cmp_6 == 0)) && (cmp_7 == 0)) && (cmp_8 == 0) [2024-02-02 09:19:53,648 INFO L101 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-02-02 09:19:53,649 INFO L101 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-02-02 09:19:53,649 INFO L101 nessWitnessExtractor]: Location invariant before [L80-L80] ((cmp_6 == 0) && (cmp_7 == 0)) && (cmp_8 == 0) [2024-02-02 09:19:53,649 INFO L101 nessWitnessExtractor]: Location invariant before [L79-L79] (((volume_totale_5 == 0) && (cmp_6 == 0)) && (cmp_7 == 0)) && (cmp_8 == 0) [2024-02-02 09:19:53,649 INFO L101 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-02-02 09:19:53,649 INFO L101 nessWitnessExtractor]: Location invariant before [L65-L65] (unsigned long )_argptr == 0UL [2024-02-02 09:19:53,649 INFO L101 nessWitnessExtractor]: Location invariant before [L74-L74] ((((((((ora_0 == 0) && (ora_2 == 0)) && (ora_4 == 0)) && (volume_totale_1 == 0)) && (volume_totale_3 == 0)) && (volume_totale_5 == 0)) && (cmp_6 == 0)) && (cmp_7 == 0)) && (cmp_8 == 0) [2024-02-02 09:19:53,649 INFO L101 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-02-02 09:19:53,650 INFO L101 nessWitnessExtractor]: Location invariant before [L63-L63] (unsigned long )_argptr == 0UL [2024-02-02 09:19:53,650 INFO L101 nessWitnessExtractor]: Location invariant before [L99-L99] (1 <= b) && (b != 0) [2024-02-02 09:19:53,650 INFO L101 nessWitnessExtractor]: Location invariant before [L100-L100] (b <= -1) && (b != 0) [2024-02-02 09:19:53,650 INFO L101 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-02-02 09:19:53,650 INFO L101 nessWitnessExtractor]: Location invariant before [L76-L76] ((((((ora_4 == 0) && (volume_totale_1 == 0)) && (volume_totale_3 == 0)) && (volume_totale_5 == 0)) && (cmp_6 == 0)) && (cmp_7 == 0)) && (cmp_8 == 0) [2024-02-02 09:19:53,650 INFO L101 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-02-02 09:19:53,650 INFO L101 nessWitnessExtractor]: Location invariant before [L78-L78] ((((volume_totale_3 == 0) && (volume_totale_5 == 0)) && (cmp_6 == 0)) && (cmp_7 == 0)) && (cmp_8 == 0) [2024-02-02 09:19:53,651 INFO L101 nessWitnessExtractor]: Location invariant before [L81-L81] (cmp_7 == 0) && (cmp_8 == 0) [2024-02-02 09:19:53,651 INFO L101 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-02-02 09:19:53,651 INFO L101 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-02-02 09:19:53,651 INFO L101 nessWitnessExtractor]: Location invariant before [L75-L75] (((((((ora_2 == 0) && (ora_4 == 0)) && (volume_totale_1 == 0)) && (volume_totale_3 == 0)) && (volume_totale_5 == 0)) && (cmp_6 == 0)) && (cmp_7 == 0)) && (cmp_8 == 0) [2024-02-02 09:19:53,651 INFO L101 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-02-02 09:19:53,669 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-02 09:19:53,830 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-time-subst.wvr.c[2918,2931] [2024-02-02 09:19:53,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:19:53,857 INFO L202 MainTranslator]: Completed pre-run [2024-02-02 09:19:53,867 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 [2024-02-02 09:19:53,916 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-time-subst.wvr.c[2918,2931] Start Parsing Local Start Parsing Local [2024-02-02 09:19:53,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:19:53,931 INFO L206 MainTranslator]: Completed translation [2024-02-02 09:19:53,932 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:53 WrapperNode [2024-02-02 09:19:53,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-02 09:19:53,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-02 09:19:53,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-02 09:19:53,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-02 09:19:53,939 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 02.02 09:19:53" (1/1) ... [2024-02-02 09:19:53,945 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 02.02 09:19:53" (1/1) ... [2024-02-02 09:19:53,975 INFO L138 Inliner]: procedures = 23, calls = 39, calls flagged for inlining = 11, calls inlined = 21, statements flattened = 258 [2024-02-02 09:19:53,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-02 09:19:53,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-02 09:19:53,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-02 09:19:53,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-02 09:19:53,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:53" (1/1) ... [2024-02-02 09:19:53,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:53" (1/1) ... [2024-02-02 09:19:53,988 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:53" (1/1) ... [2024-02-02 09:19:54,007 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]. [2024-02-02 09:19:54,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:53" (1/1) ... [2024-02-02 09:19:54,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:53" (1/1) ... [2024-02-02 09:19:54,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:53" (1/1) ... [2024-02-02 09:19:54,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:53" (1/1) ... [2024-02-02 09:19:54,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:53" (1/1) ... [2024-02-02 09:19:54,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:53" (1/1) ... [2024-02-02 09:19:54,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-02 09:19:54,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-02 09:19:54,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-02 09:19:54,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-02 09:19:54,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:53" (1/1) ... [2024-02-02 09:19:54,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:19:54,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-02 09:19:54,058 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) [2024-02-02 09:19:54,079 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 [2024-02-02 09:19:54,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-02 09:19:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-02 09:19:54,100 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-02 09:19:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-02 09:19:54,100 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-02 09:19:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-02 09:19:54,100 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-02 09:19:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-02 09:19:54,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-02 09:19:54,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-02 09:19:54,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-02 09:19:54,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-02 09:19:54,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-02 09:19:54,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-02 09:19:54,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-02 09:19:54,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-02 09:19:54,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-02 09:19:54,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-02 09:19:54,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-02 09:19:54,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-02 09:19:54,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-02 09:19:54,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-02 09:19:54,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-02 09:19:54,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-02 09:19:54,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-02 09:19:54,141 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-02 09:19:54,245 INFO L244 CfgBuilder]: Building ICFG [2024-02-02 09:19:54,246 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-02 09:19:54,606 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-02 09:19:54,606 INFO L293 CfgBuilder]: Performing block encoding [2024-02-02 09:19:54,951 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-02 09:19:54,951 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-02 09:19:54,952 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:19:54 BoogieIcfgContainer [2024-02-02 09:19:54,953 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-02 09:19:54,956 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-02 09:19:54,956 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-02 09:19:54,959 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-02 09:19:54,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:19:53" (1/4) ... [2024-02-02 09:19:54,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274eb03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:19:54, skipping insertion in model container [2024-02-02 09:19:54,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:19:53" (2/4) ... [2024-02-02 09:19:54,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274eb03d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:19:54, skipping insertion in model container [2024-02-02 09:19:54,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:53" (3/4) ... [2024-02-02 09:19:54,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274eb03d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:19:54, skipping insertion in model container [2024-02-02 09:19:54,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:19:54" (4/4) ... [2024-02-02 09:19:54,961 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-subst.wvr.c [2024-02-02 09:19:54,975 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-02 09:19:54,975 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-02-02 09:19:54,975 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-02 09:19:55,051 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-02-02 09:19:55,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 72 transitions, 165 flow [2024-02-02 09:19:55,126 INFO L124 PetriNetUnfolderBase]: 0/69 cut-off events. [2024-02-02 09:19:55,126 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-02 09:19:55,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 69 events. 0/69 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 141 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-02-02 09:19:55,129 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 72 transitions, 165 flow [2024-02-02 09:19:55,132 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 78 places, 68 transitions, 154 flow [2024-02-02 09:19:55,143 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-02 09:19:55,151 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;@21f2d11c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-02 09:19:55,151 INFO L358 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2024-02-02 09:19:55,153 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-02 09:19:55,153 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-02 09:19:55,154 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:19:55,154 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:19:55,154 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-02 09:19:55,154 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-02-02 09:19:55,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:19:55,158 INFO L85 PathProgramCache]: Analyzing trace with hash 26882, now seen corresponding path program 1 times [2024-02-02 09:19:55,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:19:55,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430604125] [2024-02-02 09:19:55,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:19:55,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:19:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:19:55,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:19:55,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:19:55,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430604125] [2024-02-02 09:19:55,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430604125] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:19:55,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:19:55,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:19:55,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207553079] [2024-02-02 09:19:55,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:19:55,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:19:55,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:19:55,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:19:55,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:19:55,462 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 72 [2024-02-02 09:19:55,464 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 68 transitions, 154 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-02-02 09:19:55,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:19:55,464 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 72 [2024-02-02 09:19:55,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:19:55,661 INFO L124 PetriNetUnfolderBase]: 279/528 cut-off events. [2024-02-02 09:19:55,661 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:19:55,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1040 conditions, 528 events. 279/528 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3213 event pairs, 279 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 995. Up to 465 conditions per place. [2024-02-02 09:19:55,670 INFO L140 encePairwiseOnDemand]: 57/72 looper letters, 31 selfloop transitions, 2 changer transitions 0/42 dead transitions. [2024-02-02 09:19:55,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 42 transitions, 159 flow [2024-02-02 09:19:55,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:19:55,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:19:55,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2024-02-02 09:19:55,680 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4351851851851852 [2024-02-02 09:19:55,681 INFO L175 Difference]: Start difference. First operand has 78 places, 68 transitions, 154 flow. Second operand 3 states and 94 transitions. [2024-02-02 09:19:55,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 42 transitions, 159 flow [2024-02-02 09:19:55,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 42 transitions, 156 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-02 09:19:55,689 INFO L231 Difference]: Finished difference. Result has 51 places, 42 transitions, 94 flow [2024-02-02 09:19:55,691 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=51, PETRI_TRANSITIONS=42} [2024-02-02 09:19:55,693 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -27 predicate places. [2024-02-02 09:19:55,693 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 42 transitions, 94 flow [2024-02-02 09:19:55,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-02-02 09:19:55,694 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:19:55,694 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-02 09:19:55,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-02 09:19:55,694 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-02-02 09:19:55,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:19:55,695 INFO L85 PathProgramCache]: Analyzing trace with hash 834210, now seen corresponding path program 1 times [2024-02-02 09:19:55,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:19:55,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640503431] [2024-02-02 09:19:55,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:19:55,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:19:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:19:55,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:19:55,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:19:55,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640503431] [2024-02-02 09:19:55,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640503431] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:19:55,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:19:55,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:19:55,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363467266] [2024-02-02 09:19:55,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:19:55,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:19:55,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:19:55,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:19:55,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:19:55,830 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 72 [2024-02-02 09:19:55,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 42 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-02-02 09:19:55,831 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:19:55,831 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 72 [2024-02-02 09:19:55,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:19:55,911 INFO L124 PetriNetUnfolderBase]: 279/527 cut-off events. [2024-02-02 09:19:55,911 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:19:55,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1038 conditions, 527 events. 279/527 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3187 event pairs, 279 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 1029. Up to 463 conditions per place. [2024-02-02 09:19:55,915 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 30 selfloop transitions, 2 changer transitions 0/41 dead transitions. [2024-02-02 09:19:55,915 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 41 transitions, 156 flow [2024-02-02 09:19:55,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:19:55,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:19:55,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 84 transitions. [2024-02-02 09:19:55,916 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3888888888888889 [2024-02-02 09:19:55,916 INFO L175 Difference]: Start difference. First operand has 51 places, 42 transitions, 94 flow. Second operand 3 states and 84 transitions. [2024-02-02 09:19:55,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 41 transitions, 156 flow [2024-02-02 09:19:55,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 41 transitions, 152 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:19:55,918 INFO L231 Difference]: Finished difference. Result has 50 places, 41 transitions, 92 flow [2024-02-02 09:19:55,918 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=50, PETRI_TRANSITIONS=41} [2024-02-02 09:19:55,918 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -28 predicate places. [2024-02-02 09:19:55,919 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 41 transitions, 92 flow [2024-02-02 09:19:55,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-02-02 09:19:55,919 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:19:55,919 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-02 09:19:55,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-02 09:19:55,919 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-02-02 09:19:55,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:19:55,920 INFO L85 PathProgramCache]: Analyzing trace with hash 25861380, now seen corresponding path program 1 times [2024-02-02 09:19:55,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:19:55,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938302000] [2024-02-02 09:19:55,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:19:55,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:19:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:19:55,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:19:55,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:19:55,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938302000] [2024-02-02 09:19:55,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938302000] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:19:55,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:19:55,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:19:55,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991159283] [2024-02-02 09:19:55,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:19:55,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:19:55,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:19:55,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:19:55,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:19:55,998 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 72 [2024-02-02 09:19:55,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 41 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2024-02-02 09:19:55,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:19:55,999 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 72 [2024-02-02 09:19:55,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:19:56,126 INFO L124 PetriNetUnfolderBase]: 279/526 cut-off events. [2024-02-02 09:19:56,126 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:19:56,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1036 conditions, 526 events. 279/526 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3192 event pairs, 279 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 1025. Up to 461 conditions per place. [2024-02-02 09:19:56,129 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 29 selfloop transitions, 2 changer transitions 0/40 dead transitions. [2024-02-02 09:19:56,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 40 transitions, 152 flow [2024-02-02 09:19:56,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:19:56,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:19:56,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 86 transitions. [2024-02-02 09:19:56,131 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39814814814814814 [2024-02-02 09:19:56,131 INFO L175 Difference]: Start difference. First operand has 50 places, 41 transitions, 92 flow. Second operand 3 states and 86 transitions. [2024-02-02 09:19:56,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 40 transitions, 152 flow [2024-02-02 09:19:56,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 40 transitions, 148 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:19:56,132 INFO L231 Difference]: Finished difference. Result has 49 places, 40 transitions, 90 flow [2024-02-02 09:19:56,132 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=49, PETRI_TRANSITIONS=40} [2024-02-02 09:19:56,133 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -29 predicate places. [2024-02-02 09:19:56,133 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 40 transitions, 90 flow [2024-02-02 09:19:56,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2024-02-02 09:19:56,134 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:19:56,134 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-02 09:19:56,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-02 09:19:56,134 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-02-02 09:19:56,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:19:56,134 INFO L85 PathProgramCache]: Analyzing trace with hash 801703590, now seen corresponding path program 1 times [2024-02-02 09:19:56,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:19:56,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337668768] [2024-02-02 09:19:56,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:19:56,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:19:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:19:56,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:19:56,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:19:56,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337668768] [2024-02-02 09:19:56,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337668768] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:19:56,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:19:56,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:19:56,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132482907] [2024-02-02 09:19:56,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:19:56,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:19:56,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:19:56,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:19:56,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:19:56,205 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 72 [2024-02-02 09:19:56,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-02-02 09:19:56,206 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:19:56,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 72 [2024-02-02 09:19:56,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:19:56,276 INFO L124 PetriNetUnfolderBase]: 279/525 cut-off events. [2024-02-02 09:19:56,276 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:19:56,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1034 conditions, 525 events. 279/525 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3179 event pairs, 279 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 1021. Up to 459 conditions per place. [2024-02-02 09:19:56,279 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 28 selfloop transitions, 2 changer transitions 0/39 dead transitions. [2024-02-02 09:19:56,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 39 transitions, 148 flow [2024-02-02 09:19:56,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:19:56,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:19:56,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 88 transitions. [2024-02-02 09:19:56,281 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4074074074074074 [2024-02-02 09:19:56,281 INFO L175 Difference]: Start difference. First operand has 49 places, 40 transitions, 90 flow. Second operand 3 states and 88 transitions. [2024-02-02 09:19:56,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 39 transitions, 148 flow [2024-02-02 09:19:56,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 39 transitions, 144 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:19:56,284 INFO L231 Difference]: Finished difference. Result has 48 places, 39 transitions, 88 flow [2024-02-02 09:19:56,285 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=48, PETRI_TRANSITIONS=39} [2024-02-02 09:19:56,286 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -30 predicate places. [2024-02-02 09:19:56,286 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 39 transitions, 88 flow [2024-02-02 09:19:56,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-02-02 09:19:56,286 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:19:56,286 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-02 09:19:56,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-02 09:19:56,287 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-02-02 09:19:56,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:19:56,287 INFO L85 PathProgramCache]: Analyzing trace with hash -916991655, now seen corresponding path program 1 times [2024-02-02 09:19:56,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:19:56,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541230905] [2024-02-02 09:19:56,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:19:56,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:19:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:19:56,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:19:56,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:19:56,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541230905] [2024-02-02 09:19:56,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541230905] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:19:56,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:19:56,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:19:56,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198526764] [2024-02-02 09:19:56,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:19:56,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:19:56,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:19:56,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:19:56,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:19:56,345 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 72 [2024-02-02 09:19:56,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 39 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-02-02 09:19:56,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:19:56,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 72 [2024-02-02 09:19:56,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:19:56,407 INFO L124 PetriNetUnfolderBase]: 279/524 cut-off events. [2024-02-02 09:19:56,408 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:19:56,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1032 conditions, 524 events. 279/524 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3183 event pairs, 279 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 1017. Up to 457 conditions per place. [2024-02-02 09:19:56,411 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 27 selfloop transitions, 2 changer transitions 0/38 dead transitions. [2024-02-02 09:19:56,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 38 transitions, 144 flow [2024-02-02 09:19:56,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:19:56,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:19:56,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 90 transitions. [2024-02-02 09:19:56,412 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4166666666666667 [2024-02-02 09:19:56,412 INFO L175 Difference]: Start difference. First operand has 48 places, 39 transitions, 88 flow. Second operand 3 states and 90 transitions. [2024-02-02 09:19:56,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 38 transitions, 144 flow [2024-02-02 09:19:56,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 38 transitions, 140 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:19:56,413 INFO L231 Difference]: Finished difference. Result has 47 places, 38 transitions, 86 flow [2024-02-02 09:19:56,413 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2024-02-02 09:19:56,413 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -31 predicate places. [2024-02-02 09:19:56,413 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 86 flow [2024-02-02 09:19:56,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-02-02 09:19:56,414 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:19:56,414 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:19:56,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-02-02 09:19:56,414 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-02-02 09:19:56,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:19:56,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1638030624, now seen corresponding path program 1 times [2024-02-02 09:19:56,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:19:56,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763804170] [2024-02-02 09:19:56,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:19:56,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:19:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:19:56,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:19:56,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:19:56,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763804170] [2024-02-02 09:19:56,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763804170] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:19:56,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:19:56,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:19:56,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935752789] [2024-02-02 09:19:56,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:19:56,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:19:56,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:19:56,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:19:56,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:19:56,464 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 72 [2024-02-02 09:19:56,464 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 86 flow. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2024-02-02 09:19:56,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:19:56,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 72 [2024-02-02 09:19:56,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:19:56,523 INFO L124 PetriNetUnfolderBase]: 279/523 cut-off events. [2024-02-02 09:19:56,524 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:19:56,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1030 conditions, 523 events. 279/523 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3168 event pairs, 279 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 1013. Up to 455 conditions per place. [2024-02-02 09:19:56,526 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 26 selfloop transitions, 2 changer transitions 0/37 dead transitions. [2024-02-02 09:19:56,526 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 37 transitions, 140 flow [2024-02-02 09:19:56,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:19:56,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:19:56,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 92 transitions. [2024-02-02 09:19:56,528 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42592592592592593 [2024-02-02 09:19:56,528 INFO L175 Difference]: Start difference. First operand has 47 places, 38 transitions, 86 flow. Second operand 3 states and 92 transitions. [2024-02-02 09:19:56,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 37 transitions, 140 flow [2024-02-02 09:19:56,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 37 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:19:56,529 INFO L231 Difference]: Finished difference. Result has 46 places, 37 transitions, 84 flow [2024-02-02 09:19:56,529 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=46, PETRI_TRANSITIONS=37} [2024-02-02 09:19:56,530 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -32 predicate places. [2024-02-02 09:19:56,530 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 37 transitions, 84 flow [2024-02-02 09:19:56,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2024-02-02 09:19:56,530 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:19:56,530 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:19:56,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-02-02 09:19:56,530 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-02-02 09:19:56,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:19:56,531 INFO L85 PathProgramCache]: Analyzing trace with hash -760657396, now seen corresponding path program 1 times [2024-02-02 09:19:56,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:19:56,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870246250] [2024-02-02 09:19:56,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:19:56,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:19:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:19:56,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:19:56,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:19:56,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870246250] [2024-02-02 09:19:56,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870246250] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:19:56,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:19:56,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:19:56,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897706225] [2024-02-02 09:19:56,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:19:56,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:19:56,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:19:56,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:19:56,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:19:56,575 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 72 [2024-02-02 09:19:56,575 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 37 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2024-02-02 09:19:56,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:19:56,575 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 72 [2024-02-02 09:19:56,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:19:56,634 INFO L124 PetriNetUnfolderBase]: 279/522 cut-off events. [2024-02-02 09:19:56,634 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:19:56,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1028 conditions, 522 events. 279/522 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3183 event pairs, 279 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 1009. Up to 453 conditions per place. [2024-02-02 09:19:56,637 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 25 selfloop transitions, 2 changer transitions 0/36 dead transitions. [2024-02-02 09:19:56,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 36 transitions, 136 flow [2024-02-02 09:19:56,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:19:56,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:19:56,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2024-02-02 09:19:56,638 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4351851851851852 [2024-02-02 09:19:56,638 INFO L175 Difference]: Start difference. First operand has 46 places, 37 transitions, 84 flow. Second operand 3 states and 94 transitions. [2024-02-02 09:19:56,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 36 transitions, 136 flow [2024-02-02 09:19:56,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 36 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:19:56,639 INFO L231 Difference]: Finished difference. Result has 45 places, 36 transitions, 82 flow [2024-02-02 09:19:56,639 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=45, PETRI_TRANSITIONS=36} [2024-02-02 09:19:56,640 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -33 predicate places. [2024-02-02 09:19:56,640 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 82 flow [2024-02-02 09:19:56,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2024-02-02 09:19:56,640 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:19:56,640 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:19:56,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-02-02 09:19:56,640 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-02-02 09:19:56,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:19:56,641 INFO L85 PathProgramCache]: Analyzing trace with hash -2105541937, now seen corresponding path program 1 times [2024-02-02 09:19:56,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:19:56,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223469338] [2024-02-02 09:19:56,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:19:56,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:19:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:19:56,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:19:56,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:19:56,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223469338] [2024-02-02 09:19:56,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223469338] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:19:56,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:19:56,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:19:56,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344183796] [2024-02-02 09:19:56,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:19:56,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:19:56,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:19:56,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:19:56,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:19:56,673 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 72 [2024-02-02 09:19:56,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2024-02-02 09:19:56,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:19:56,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 72 [2024-02-02 09:19:56,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:19:56,740 INFO L124 PetriNetUnfolderBase]: 279/521 cut-off events. [2024-02-02 09:19:56,740 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:19:56,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1026 conditions, 521 events. 279/521 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3184 event pairs, 279 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 1005. Up to 451 conditions per place. [2024-02-02 09:19:56,743 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 24 selfloop transitions, 2 changer transitions 0/35 dead transitions. [2024-02-02 09:19:56,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 35 transitions, 132 flow [2024-02-02 09:19:56,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:19:56,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:19:56,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 96 transitions. [2024-02-02 09:19:56,744 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444 [2024-02-02 09:19:56,744 INFO L175 Difference]: Start difference. First operand has 45 places, 36 transitions, 82 flow. Second operand 3 states and 96 transitions. [2024-02-02 09:19:56,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 35 transitions, 132 flow [2024-02-02 09:19:56,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 35 transitions, 128 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:19:56,746 INFO L231 Difference]: Finished difference. Result has 44 places, 35 transitions, 80 flow [2024-02-02 09:19:56,746 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=44, PETRI_TRANSITIONS=35} [2024-02-02 09:19:56,748 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -34 predicate places. [2024-02-02 09:19:56,748 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 35 transitions, 80 flow [2024-02-02 09:19:56,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2024-02-02 09:19:56,749 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:19:56,749 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:19:56,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-02-02 09:19:56,749 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-02-02 09:19:56,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:19:56,750 INFO L85 PathProgramCache]: Analyzing trace with hash -847289773, now seen corresponding path program 1 times [2024-02-02 09:19:56,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:19:56,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081327843] [2024-02-02 09:19:56,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:19:56,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:19:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:19:56,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:19:56,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:19:56,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081327843] [2024-02-02 09:19:56,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081327843] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:19:56,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:19:56,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:19:56,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277939464] [2024-02-02 09:19:56,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:19:56,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:19:56,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:19:56,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:19:56,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:19:56,786 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 72 [2024-02-02 09:19:56,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 35 transitions, 80 flow. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2024-02-02 09:19:56,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:19:56,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 72 [2024-02-02 09:19:56,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:19:56,863 INFO L124 PetriNetUnfolderBase]: 279/520 cut-off events. [2024-02-02 09:19:56,864 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:19:56,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1024 conditions, 520 events. 279/520 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3181 event pairs, 279 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 1001. Up to 449 conditions per place. [2024-02-02 09:19:56,866 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 23 selfloop transitions, 2 changer transitions 0/34 dead transitions. [2024-02-02 09:19:56,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 34 transitions, 128 flow [2024-02-02 09:19:56,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:19:56,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:19:56,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 98 transitions. [2024-02-02 09:19:56,867 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4537037037037037 [2024-02-02 09:19:56,867 INFO L175 Difference]: Start difference. First operand has 44 places, 35 transitions, 80 flow. Second operand 3 states and 98 transitions. [2024-02-02 09:19:56,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 34 transitions, 128 flow [2024-02-02 09:19:56,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 34 transitions, 124 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:19:56,868 INFO L231 Difference]: Finished difference. Result has 43 places, 34 transitions, 78 flow [2024-02-02 09:19:56,868 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=43, PETRI_TRANSITIONS=34} [2024-02-02 09:19:56,869 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -35 predicate places. [2024-02-02 09:19:56,869 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 34 transitions, 78 flow [2024-02-02 09:19:56,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2024-02-02 09:19:56,870 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:19:56,870 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:19:56,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-02-02 09:19:56,870 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-02-02 09:19:56,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:19:56,870 INFO L85 PathProgramCache]: Analyzing trace with hash -85921438, now seen corresponding path program 1 times [2024-02-02 09:19:56,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:19:56,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141187866] [2024-02-02 09:19:56,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:19:56,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:19:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:19:56,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:19:56,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:19:56,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141187866] [2024-02-02 09:19:56,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141187866] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:19:56,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:19:56,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 09:19:56,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613208266] [2024-02-02 09:19:56,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:19:56,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:19:56,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:19:56,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:19:56,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:19:56,970 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 72 [2024-02-02 09:19:56,971 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 34 transitions, 78 flow. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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) [2024-02-02 09:19:56,971 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:19:56,971 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 72 [2024-02-02 09:19:56,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:19:57,048 INFO L124 PetriNetUnfolderBase]: 279/514 cut-off events. [2024-02-02 09:19:57,048 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:19:57,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1018 conditions, 514 events. 279/514 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 3029 event pairs, 39 based on Foata normal form. 42/354 useless extension candidates. Maximal degree in co-relation 993. Up to 366 conditions per place. [2024-02-02 09:19:57,051 INFO L140 encePairwiseOnDemand]: 68/72 looper letters, 34 selfloop transitions, 2 changer transitions 0/43 dead transitions. [2024-02-02 09:19:57,051 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 43 transitions, 172 flow [2024-02-02 09:19:57,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-02 09:19:57,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-02 09:19:57,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 126 transitions. [2024-02-02 09:19:57,052 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4375 [2024-02-02 09:19:57,052 INFO L175 Difference]: Start difference. First operand has 43 places, 34 transitions, 78 flow. Second operand 4 states and 126 transitions. [2024-02-02 09:19:57,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 43 transitions, 172 flow [2024-02-02 09:19:57,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 43 transitions, 168 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:19:57,053 INFO L231 Difference]: Finished difference. Result has 42 places, 32 transitions, 74 flow [2024-02-02 09:19:57,053 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=74, PETRI_PLACES=42, PETRI_TRANSITIONS=32} [2024-02-02 09:19:57,053 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -36 predicate places. [2024-02-02 09:19:57,053 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 32 transitions, 74 flow [2024-02-02 09:19:57,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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) [2024-02-02 09:19:57,054 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:19:57,054 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:19:57,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-02-02 09:19:57,054 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-02-02 09:19:57,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:19:57,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1631403601, now seen corresponding path program 1 times [2024-02-02 09:19:57,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:19:57,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777038726] [2024-02-02 09:19:57,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:19:57,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:19:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:19:57,068 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-02 09:19:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:19:57,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-02 09:19:57,094 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-02 09:19:57,094 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 61 remaining) [2024-02-02 09:19:57,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 61 remaining) [2024-02-02 09:19:57,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 61 remaining) [2024-02-02 09:19:57,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 61 remaining) [2024-02-02 09:19:57,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 61 remaining) [2024-02-02 09:19:57,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 61 remaining) [2024-02-02 09:19:57,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 61 remaining) [2024-02-02 09:19:57,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 61 remaining) [2024-02-02 09:19:57,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 61 remaining) [2024-02-02 09:19:57,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 61 remaining) [2024-02-02 09:19:57,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 61 remaining) [2024-02-02 09:19:57,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 61 remaining) [2024-02-02 09:19:57,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 61 remaining) [2024-02-02 09:19:57,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 61 remaining) [2024-02-02 09:19:57,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 61 remaining) [2024-02-02 09:19:57,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 61 remaining) [2024-02-02 09:19:57,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 61 remaining) [2024-02-02 09:19:57,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 61 remaining) [2024-02-02 09:19:57,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 61 remaining) [2024-02-02 09:19:57,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 61 remaining) [2024-02-02 09:19:57,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 61 remaining) [2024-02-02 09:19:57,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 61 remaining) [2024-02-02 09:19:57,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 61 remaining) [2024-02-02 09:19:57,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 61 remaining) [2024-02-02 09:19:57,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 61 remaining) [2024-02-02 09:19:57,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 61 remaining) [2024-02-02 09:19:57,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 61 remaining) [2024-02-02 09:19:57,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 61 remaining) [2024-02-02 09:19:57,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 61 remaining) [2024-02-02 09:19:57,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 61 remaining) [2024-02-02 09:19:57,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 61 remaining) [2024-02-02 09:19:57,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 61 remaining) [2024-02-02 09:19:57,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 61 remaining) [2024-02-02 09:19:57,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 61 remaining) [2024-02-02 09:19:57,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (26 of 61 remaining) [2024-02-02 09:19:57,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 61 remaining) [2024-02-02 09:19:57,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 61 remaining) [2024-02-02 09:19:57,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 61 remaining) [2024-02-02 09:19:57,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 61 remaining) [2024-02-02 09:19:57,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 61 remaining) [2024-02-02 09:19:57,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 61 remaining) [2024-02-02 09:19:57,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 61 remaining) [2024-02-02 09:19:57,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 61 remaining) [2024-02-02 09:19:57,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 61 remaining) [2024-02-02 09:19:57,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 61 remaining) [2024-02-02 09:19:57,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 61 remaining) [2024-02-02 09:19:57,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 61 remaining) [2024-02-02 09:19:57,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 61 remaining) [2024-02-02 09:19:57,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 61 remaining) [2024-02-02 09:19:57,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 61 remaining) [2024-02-02 09:19:57,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 61 remaining) [2024-02-02 09:19:57,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 61 remaining) [2024-02-02 09:19:57,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 61 remaining) [2024-02-02 09:19:57,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 61 remaining) [2024-02-02 09:19:57,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 61 remaining) [2024-02-02 09:19:57,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 61 remaining) [2024-02-02 09:19:57,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 61 remaining) [2024-02-02 09:19:57,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 61 remaining) [2024-02-02 09:19:57,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 61 remaining) [2024-02-02 09:19:57,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 61 remaining) [2024-02-02 09:19:57,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 61 remaining) [2024-02-02 09:19:57,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-02-02 09:19:57,106 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:19:57,112 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-02 09:19:57,112 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-02 09:19:57,143 INFO L503 ceAbstractionStarter]: Automizer considered 33 witness invariants [2024-02-02 09:19:57,143 INFO L504 ceAbstractionStarter]: WitnessConsidered=33 [2024-02-02 09:19:57,144 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 09:19:57 BasicIcfg [2024-02-02 09:19:57,145 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-02 09:19:57,146 INFO L158 Benchmark]: Toolchain (without parser) took 3535.00ms. Allocated memory was 159.4MB in the beginning and 253.8MB in the end (delta: 94.4MB). Free memory was 115.9MB in the beginning and 90.3MB in the end (delta: 25.6MB). Peak memory consumption was 119.3MB. Max. memory is 16.1GB. [2024-02-02 09:19:57,146 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:19:57,146 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 159.4MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:19:57,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.41ms. Allocated memory is still 159.4MB. Free memory was 115.5MB in the beginning and 99.6MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-02-02 09:19:57,147 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.03ms. Allocated memory is still 159.4MB. Free memory was 99.6MB in the beginning and 97.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-02 09:19:57,147 INFO L158 Benchmark]: Boogie Preprocessor took 51.31ms. Allocated memory is still 159.4MB. Free memory was 97.0MB in the beginning and 93.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-02 09:19:57,147 INFO L158 Benchmark]: RCFGBuilder took 925.18ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 93.8MB in the beginning and 137.9MB in the end (delta: -44.1MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2024-02-02 09:19:57,149 INFO L158 Benchmark]: TraceAbstraction took 2188.70ms. Allocated memory was 199.2MB in the beginning and 253.8MB in the end (delta: 54.5MB). Free memory was 137.9MB in the beginning and 90.3MB in the end (delta: 47.6MB). Peak memory consumption was 102.1MB. Max. memory is 16.1GB. [2024-02-02 09:19:57,150 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 159.4MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.41ms. Allocated memory is still 159.4MB. Free memory was 115.5MB in the beginning and 99.6MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.03ms. Allocated memory is still 159.4MB. Free memory was 99.6MB in the beginning and 97.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.31ms. Allocated memory is still 159.4MB. Free memory was 97.0MB in the beginning and 93.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 925.18ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 93.8MB in the beginning and 137.9MB in the end (delta: -44.1MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2188.70ms. Allocated memory was 199.2MB in the beginning and 253.8MB in the end (delta: 54.5MB). Free memory was 137.9MB in the beginning and 90.3MB in the end (delta: 47.6MB). Peak memory consumption was 102.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 99]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] 0 int ora_0, ora_2, ora_4; [L39] 0 int volume_totale_1, volume_totale_3, volume_totale_5; [L40] 0 int cmp_6, cmp_7, cmp_8; [L71] 0 pthread_t t1, t2, t3; VAL [cmp_6=0, cmp_7=0, cmp_8=0, ora_0=0, ora_2=0, ora_4=0, t1={5:0}, t2={3:0}, t3={6:0}, volume_totale_1=0, volume_totale_3=0, volume_totale_5=0] [L74] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[ora_0],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[ora_2],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[ora_4],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_1],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_3],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_5],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_6],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_8],IntegerLiteral[0]]]]] [L74] 0 ora_0 = __VERIFIER_nondet_int() [L75] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[ora_2],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[ora_4],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_1],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_3],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_5],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_6],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_8],IntegerLiteral[0]]]]] [L75] 0 ora_2 = __VERIFIER_nondet_int() [L76] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[ora_4],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_1],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_3],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_5],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_6],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_8],IntegerLiteral[0]]]]] [L76] 0 ora_4 = __VERIFIER_nondet_int() [L77] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_3],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_5],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_6],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_8],IntegerLiteral[0]]]]] [L77] 0 volume_totale_1 = __VERIFIER_nondet_int() [L78] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_3],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_5],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_6],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_8],IntegerLiteral[0]]]]] [L78] 0 volume_totale_3 = __VERIFIER_nondet_int() [L79] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_5],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_6],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_8],IntegerLiteral[0]]]]] [L79] 0 volume_totale_5 = __VERIFIER_nondet_int() [L80] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[cmp_6],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_8],IntegerLiteral[0]]]]] [L80] 0 cmp_6 = __VERIFIER_nondet_int() [L81] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[cmp_7],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_8],IntegerLiteral[0]]]]] [L81] 0 cmp_7 = __VERIFIER_nondet_int() [L82] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[cmp_8],IntegerLiteral[0]]]] [L82] 0 cmp_8 = __VERIFIER_nondet_int() [L85] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [cmp_6=0, cmp_7=0, cmp_8=0, ora_0=0, ora_2=0, ora_4=0, t1={5:0}, t2={3:0}, t3={6:0}, volume_totale_1=0, volume_totale_3=0, volume_totale_5=0] [L44] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[_argptr]],IntegerLiteral[0UL]]]] VAL [_argptr={0:0}, _argptr={0:0}, cmp_6=0, cmp_7=0, cmp_8=0, ora_0=0, ora_2=0, ora_4=0, volume_totale_1=0, volume_totale_3=0, volume_totale_5=0] [L45] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[_argptr]],IntegerLiteral[0UL]]]] [L45] CALL 1 minus(ora_0, ora_2) [L99] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[b]],BinaryExpression[COMPNEQ,IdentifierExpression[b],IntegerLiteral[0]]]]] VAL [\old(a)=0, \old(b)=0, a=0, b=0, cmp_6=0, cmp_7=0, cmp_8=0, ora_0=0, ora_2=0, ora_4=0, volume_totale_1=0, volume_totale_3=0, volume_totale_5=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: 45]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: 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: 62]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: 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: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 75]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 78]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 79]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 80]: 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 invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 93]: 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: 87]: 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: 85]: 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: 86]: 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, 115 locations, 61 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.0s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 211 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 590 IncrementalHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 46 mSDtfsCounter, 590 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred in iteration=0, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 555 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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! [2024-02-02 09:19:57,188 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