./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 fced0e87 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-wip.fs.extract-columns-fced0e8-m [2024-01-31 16:08:37,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 16:08:37,819 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 16:08:37,826 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 16:08:37,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 16:08:37,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 16:08:37,854 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 16:08:37,854 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 16:08:37,855 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 16:08:37,858 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 16:08:37,859 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 16:08:37,859 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 16:08:37,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 16:08:37,861 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 16:08:37,861 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 16:08:37,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 16:08:37,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 16:08:37,861 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 16:08:37,862 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 16:08:37,862 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 16:08:37,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 16:08:37,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 16:08:37,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 16:08:37,863 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 16:08:37,864 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 16:08:37,864 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 16:08:37,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 16:08:37,864 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 16:08:37,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 16:08:37,865 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 16:08:37,865 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 16:08:37,866 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 16:08:37,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:08:37,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 16:08:37,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 16:08:37,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 16:08:37,866 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 16:08:37,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 16:08:37,867 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 16:08:37,867 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 16:08:37,867 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 16:08:37,867 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 16:08:37,867 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 16:08:37,868 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 16:08:38,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 16:08:38,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 16:08:38,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 16:08:38,103 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 16:08:38,104 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 16:08:38,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-time-subst.wvr.c [2024-01-31 16:08:39,305 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 16:08:39,451 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 16:08:39,452 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-subst.wvr.c [2024-01-31 16:08:39,457 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f700593/b89f0b28532140818f8c3049ef138645/FLAGfa21afb3d [2024-01-31 16:08:39,470 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f700593/b89f0b28532140818f8c3049ef138645 [2024-01-31 16:08:39,472 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 16:08:39,473 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 16:08:39,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-time-subst.wvr.yml/witness.yml [2024-01-31 16:08:39,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 16:08:39,569 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 16:08:39,570 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 16:08:39,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 16:08:39,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 16:08:39,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:08:39" (1/2) ... [2024-01-31 16:08:39,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e0dec0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:39, skipping insertion in model container [2024-01-31 16:08:39,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:08:39" (1/2) ... [2024-01-31 16:08:39,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@105fdcbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:39, skipping insertion in model container [2024-01-31 16:08:39,577 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:08:39" (2/2) ... [2024-01-31 16:08:39,578 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e0dec0d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:39, skipping insertion in model container [2024-01-31 16:08:39,578 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:08:39" (2/2) ... [2024-01-31 16:08:39,578 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 16:08:39,614 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 16:08:39,615 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,616 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,616 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] cmp_8 == 0 [2024-01-31 16:08:39,616 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] (b <= -1) && (b != 0) [2024-01-31 16:08:39,616 INFO L98 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) [2024-01-31 16:08:39,617 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,617 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,617 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,617 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,617 INFO L98 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) [2024-01-31 16:08:39,617 INFO L98 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) [2024-01-31 16:08:39,618 INFO L98 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) [2024-01-31 16:08:39,618 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,618 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (((volume_totale_5 == 0) && (cmp_6 == 0)) && (cmp_7 == 0)) && (cmp_8 == 0) [2024-01-31 16:08:39,618 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,618 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (cmp_7 == 0) && (cmp_8 == 0) [2024-01-31 16:08:39,618 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] (1 <= b) && (b != 0) [2024-01-31 16:08:39,618 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,619 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,619 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,619 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,619 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] ((cmp_6 == 0) && (cmp_7 == 0)) && (cmp_8 == 0) [2024-01-31 16:08:39,619 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] ((((volume_totale_3 == 0) && (volume_totale_5 == 0)) && (cmp_6 == 0)) && (cmp_7 == 0)) && (cmp_8 == 0) [2024-01-31 16:08:39,635 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 16:08:39,803 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] [2024-01-31 16:08:39,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:08:39,814 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-31 16:08:39,870 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 [2024-01-31 16:08:39,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:08:39,883 INFO L208 MainTranslator]: Completed translation [2024-01-31 16:08:39,884 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:39 WrapperNode [2024-01-31 16:08:39,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 16:08:39,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-31 16:08:39,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-31 16:08:39,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-31 16:08:39,890 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 31.01 04:08:39" (1/1) ... [2024-01-31 16:08:39,896 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 31.01 04:08:39" (1/1) ... [2024-01-31 16:08:39,925 INFO L138 Inliner]: procedures = 23, calls = 39, calls flagged for inlining = 11, calls inlined = 21, statements flattened = 258 [2024-01-31 16:08:39,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-31 16:08:39,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-31 16:08:39,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-31 16:08:39,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-31 16:08:39,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:39" (1/1) ... [2024-01-31 16:08:39,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:39" (1/1) ... [2024-01-31 16:08:39,960 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:39" (1/1) ... [2024-01-31 16:08:39,977 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-01-31 16:08:39,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:39" (1/1) ... [2024-01-31 16:08:39,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:39" (1/1) ... [2024-01-31 16:08:39,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:39" (1/1) ... [2024-01-31 16:08:40,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:39" (1/1) ... [2024-01-31 16:08:40,006 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:39" (1/1) ... [2024-01-31 16:08:40,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:39" (1/1) ... [2024-01-31 16:08:40,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-31 16:08:40,016 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-31 16:08:40,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-31 16:08:40,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-31 16:08:40,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:39" (1/1) ... [2024-01-31 16:08:40,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:08:40,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 16:08:40,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-31 16:08:40,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-31 16:08:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-31 16:08:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-31 16:08:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-31 16:08:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-31 16:08:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-31 16:08:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-31 16:08:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-31 16:08:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-31 16:08:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-31 16:08:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-31 16:08:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-31 16:08:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-31 16:08:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-31 16:08:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-31 16:08:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-31 16:08:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-31 16:08:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-31 16:08:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-31 16:08:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-31 16:08:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-31 16:08:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-31 16:08:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-31 16:08:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-31 16:08:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-31 16:08:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-31 16:08:40,074 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-31 16:08:40,156 INFO L244 CfgBuilder]: Building ICFG [2024-01-31 16:08:40,157 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-31 16:08:40,528 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-31 16:08:40,528 INFO L293 CfgBuilder]: Performing block encoding [2024-01-31 16:08:40,870 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-31 16:08:40,871 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-31 16:08:40,872 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:08:40 BoogieIcfgContainer [2024-01-31 16:08:40,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-31 16:08:40,875 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-31 16:08:40,875 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-31 16:08:40,878 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-31 16:08:40,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:08:39" (1/4) ... [2024-01-31 16:08:40,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16da7d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:08:40, skipping insertion in model container [2024-01-31 16:08:40,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:08:39" (2/4) ... [2024-01-31 16:08:40,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16da7d7c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 04:08:40, skipping insertion in model container [2024-01-31 16:08:40,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:39" (3/4) ... [2024-01-31 16:08:40,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16da7d7c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 04:08:40, skipping insertion in model container [2024-01-31 16:08:40,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:08:40" (4/4) ... [2024-01-31 16:08:40,880 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-subst.wvr.c [2024-01-31 16:08:40,894 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-31 16:08:40,895 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-01-31 16:08:40,895 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-31 16:08:40,963 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-31 16:08:41,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 72 transitions, 165 flow [2024-01-31 16:08:41,036 INFO L124 PetriNetUnfolderBase]: 0/69 cut-off events. [2024-01-31 16:08:41,037 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-31 16:08:41,039 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. [2024-01-31 16:08:41,039 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 72 transitions, 165 flow [2024-01-31 16:08:41,042 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 78 places, 68 transitions, 154 flow [2024-01-31 16:08:41,053 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-31 16:08:41,059 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;@4ecddf98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-31 16:08:41,059 INFO L358 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2024-01-31 16:08:41,061 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-31 16:08:41,062 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-31 16:08:41,062 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:41,062 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:41,063 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-31 16:08:41,063 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:41,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:41,067 INFO L85 PathProgramCache]: Analyzing trace with hash 26882, now seen corresponding path program 1 times [2024-01-31 16:08:41,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:41,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660765897] [2024-01-31 16:08:41,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:41,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:41,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:41,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:41,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660765897] [2024-01-31 16:08:41,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660765897] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:41,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:41,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:41,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064069547] [2024-01-31 16:08:41,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:41,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:41,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:41,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:41,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:41,481 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 72 [2024-01-31 16:08:41,484 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) [2024-01-31 16:08:41,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:41,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 72 [2024-01-31 16:08:41,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:41,599 INFO L124 PetriNetUnfolderBase]: 279/528 cut-off events. [2024-01-31 16:08:41,599 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:41,602 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. [2024-01-31 16:08:41,605 INFO L140 encePairwiseOnDemand]: 57/72 looper letters, 31 selfloop transitions, 2 changer transitions 0/42 dead transitions. [2024-01-31 16:08:41,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 42 transitions, 159 flow [2024-01-31 16:08:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:41,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:41,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2024-01-31 16:08:41,616 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4351851851851852 [2024-01-31 16:08:41,617 INFO L175 Difference]: Start difference. First operand has 78 places, 68 transitions, 154 flow. Second operand 3 states and 94 transitions. [2024-01-31 16:08:41,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 42 transitions, 159 flow [2024-01-31 16:08:41,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 42 transitions, 156 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-01-31 16:08:41,624 INFO L231 Difference]: Finished difference. Result has 51 places, 42 transitions, 94 flow [2024-01-31 16:08:41,626 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} [2024-01-31 16:08:41,628 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -27 predicate places. [2024-01-31 16:08:41,629 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 42 transitions, 94 flow [2024-01-31 16:08:41,629 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) [2024-01-31 16:08:41,629 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:41,629 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-31 16:08:41,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-31 16:08:41,630 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:41,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:41,630 INFO L85 PathProgramCache]: Analyzing trace with hash 834210, now seen corresponding path program 1 times [2024-01-31 16:08:41,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:41,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103286758] [2024-01-31 16:08:41,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:41,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:41,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:41,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:41,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103286758] [2024-01-31 16:08:41,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103286758] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:41,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:41,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:41,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151599626] [2024-01-31 16:08:41,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:41,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:41,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:41,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:41,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:41,708 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 72 [2024-01-31 16:08:41,709 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) [2024-01-31 16:08:41,709 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:41,709 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 72 [2024-01-31 16:08:41,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:41,888 INFO L124 PetriNetUnfolderBase]: 279/527 cut-off events. [2024-01-31 16:08:41,888 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:41,889 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. [2024-01-31 16:08:41,892 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 30 selfloop transitions, 2 changer transitions 0/41 dead transitions. [2024-01-31 16:08:41,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 41 transitions, 156 flow [2024-01-31 16:08:41,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:41,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:41,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 84 transitions. [2024-01-31 16:08:41,894 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3888888888888889 [2024-01-31 16:08:41,894 INFO L175 Difference]: Start difference. First operand has 51 places, 42 transitions, 94 flow. Second operand 3 states and 84 transitions. [2024-01-31 16:08:41,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 41 transitions, 156 flow [2024-01-31 16:08:41,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 41 transitions, 152 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:41,895 INFO L231 Difference]: Finished difference. Result has 50 places, 41 transitions, 92 flow [2024-01-31 16:08:41,895 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} [2024-01-31 16:08:41,896 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -28 predicate places. [2024-01-31 16:08:41,896 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 41 transitions, 92 flow [2024-01-31 16:08:41,896 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) [2024-01-31 16:08:41,897 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:41,897 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-31 16:08:41,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-31 16:08:41,897 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:41,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:41,898 INFO L85 PathProgramCache]: Analyzing trace with hash 25861380, now seen corresponding path program 1 times [2024-01-31 16:08:41,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:41,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980560929] [2024-01-31 16:08:41,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:41,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:41,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:41,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:41,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980560929] [2024-01-31 16:08:41,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980560929] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:41,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:41,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:41,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163718480] [2024-01-31 16:08:41,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:41,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:41,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:41,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:41,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:42,012 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 72 [2024-01-31 16:08:42,013 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) [2024-01-31 16:08:42,013 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:42,013 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 72 [2024-01-31 16:08:42,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:42,125 INFO L124 PetriNetUnfolderBase]: 279/526 cut-off events. [2024-01-31 16:08:42,126 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:42,128 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. [2024-01-31 16:08:42,130 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 29 selfloop transitions, 2 changer transitions 0/40 dead transitions. [2024-01-31 16:08:42,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 40 transitions, 152 flow [2024-01-31 16:08:42,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:42,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:42,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 86 transitions. [2024-01-31 16:08:42,135 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39814814814814814 [2024-01-31 16:08:42,135 INFO L175 Difference]: Start difference. First operand has 50 places, 41 transitions, 92 flow. Second operand 3 states and 86 transitions. [2024-01-31 16:08:42,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 40 transitions, 152 flow [2024-01-31 16:08:42,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 40 transitions, 148 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:42,137 INFO L231 Difference]: Finished difference. Result has 49 places, 40 transitions, 90 flow [2024-01-31 16:08:42,137 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} [2024-01-31 16:08:42,138 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -29 predicate places. [2024-01-31 16:08:42,139 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 40 transitions, 90 flow [2024-01-31 16:08:42,139 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) [2024-01-31 16:08:42,139 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:42,139 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-31 16:08:42,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-31 16:08:42,140 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:42,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:42,140 INFO L85 PathProgramCache]: Analyzing trace with hash 801703590, now seen corresponding path program 1 times [2024-01-31 16:08:42,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:42,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003534304] [2024-01-31 16:08:42,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:42,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:42,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:42,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:42,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003534304] [2024-01-31 16:08:42,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003534304] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:42,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:42,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:42,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308218252] [2024-01-31 16:08:42,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:42,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:42,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:42,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:42,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:42,226 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 72 [2024-01-31 16:08:42,226 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) [2024-01-31 16:08:42,226 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:42,226 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 72 [2024-01-31 16:08:42,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:42,293 INFO L124 PetriNetUnfolderBase]: 279/525 cut-off events. [2024-01-31 16:08:42,293 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:42,294 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. [2024-01-31 16:08:42,296 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 28 selfloop transitions, 2 changer transitions 0/39 dead transitions. [2024-01-31 16:08:42,296 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 39 transitions, 148 flow [2024-01-31 16:08:42,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:42,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:42,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 88 transitions. [2024-01-31 16:08:42,298 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4074074074074074 [2024-01-31 16:08:42,298 INFO L175 Difference]: Start difference. First operand has 49 places, 40 transitions, 90 flow. Second operand 3 states and 88 transitions. [2024-01-31 16:08:42,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 39 transitions, 148 flow [2024-01-31 16:08:42,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 39 transitions, 144 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:42,299 INFO L231 Difference]: Finished difference. Result has 48 places, 39 transitions, 88 flow [2024-01-31 16:08:42,299 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} [2024-01-31 16:08:42,300 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -30 predicate places. [2024-01-31 16:08:42,300 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 39 transitions, 88 flow [2024-01-31 16:08:42,300 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) [2024-01-31 16:08:42,300 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:42,300 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-31 16:08:42,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-31 16:08:42,301 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:42,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:42,301 INFO L85 PathProgramCache]: Analyzing trace with hash -916991655, now seen corresponding path program 1 times [2024-01-31 16:08:42,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:42,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217641550] [2024-01-31 16:08:42,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:42,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:42,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:42,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:42,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217641550] [2024-01-31 16:08:42,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217641550] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:42,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:42,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:42,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125513118] [2024-01-31 16:08:42,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:42,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:42,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:42,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:42,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:42,344 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 72 [2024-01-31 16:08:42,344 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) [2024-01-31 16:08:42,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:42,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 72 [2024-01-31 16:08:42,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:42,415 INFO L124 PetriNetUnfolderBase]: 279/524 cut-off events. [2024-01-31 16:08:42,416 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:42,416 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. [2024-01-31 16:08:42,418 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 27 selfloop transitions, 2 changer transitions 0/38 dead transitions. [2024-01-31 16:08:42,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 38 transitions, 144 flow [2024-01-31 16:08:42,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:42,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:42,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 90 transitions. [2024-01-31 16:08:42,420 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4166666666666667 [2024-01-31 16:08:42,420 INFO L175 Difference]: Start difference. First operand has 48 places, 39 transitions, 88 flow. Second operand 3 states and 90 transitions. [2024-01-31 16:08:42,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 38 transitions, 144 flow [2024-01-31 16:08:42,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 38 transitions, 140 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:42,421 INFO L231 Difference]: Finished difference. Result has 47 places, 38 transitions, 86 flow [2024-01-31 16:08:42,421 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} [2024-01-31 16:08:42,421 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -31 predicate places. [2024-01-31 16:08:42,422 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 86 flow [2024-01-31 16:08:42,422 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) [2024-01-31 16:08:42,422 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:42,422 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:08:42,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-31 16:08:42,422 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:42,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:42,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1638030624, now seen corresponding path program 1 times [2024-01-31 16:08:42,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:42,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954948663] [2024-01-31 16:08:42,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:42,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:42,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:42,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:42,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954948663] [2024-01-31 16:08:42,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954948663] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:42,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:42,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:42,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184296722] [2024-01-31 16:08:42,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:42,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:42,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:42,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:42,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:42,461 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 72 [2024-01-31 16:08:42,462 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) [2024-01-31 16:08:42,462 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:42,462 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 72 [2024-01-31 16:08:42,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:42,523 INFO L124 PetriNetUnfolderBase]: 279/523 cut-off events. [2024-01-31 16:08:42,523 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:42,524 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. [2024-01-31 16:08:42,526 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 26 selfloop transitions, 2 changer transitions 0/37 dead transitions. [2024-01-31 16:08:42,526 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 37 transitions, 140 flow [2024-01-31 16:08:42,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:42,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:42,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 92 transitions. [2024-01-31 16:08:42,527 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42592592592592593 [2024-01-31 16:08:42,527 INFO L175 Difference]: Start difference. First operand has 47 places, 38 transitions, 86 flow. Second operand 3 states and 92 transitions. [2024-01-31 16:08:42,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 37 transitions, 140 flow [2024-01-31 16:08:42,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 37 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:42,528 INFO L231 Difference]: Finished difference. Result has 46 places, 37 transitions, 84 flow [2024-01-31 16:08:42,529 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} [2024-01-31 16:08:42,529 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -32 predicate places. [2024-01-31 16:08:42,529 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 37 transitions, 84 flow [2024-01-31 16:08:42,530 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) [2024-01-31 16:08:42,530 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:42,530 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:08:42,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-31 16:08:42,530 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:42,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:42,531 INFO L85 PathProgramCache]: Analyzing trace with hash -760657396, now seen corresponding path program 1 times [2024-01-31 16:08:42,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:42,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295733748] [2024-01-31 16:08:42,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:42,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:42,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:42,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:42,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295733748] [2024-01-31 16:08:42,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295733748] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:42,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:42,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:42,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690613592] [2024-01-31 16:08:42,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:42,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:42,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:42,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:42,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:42,566 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 72 [2024-01-31 16:08:42,567 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) [2024-01-31 16:08:42,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:42,567 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 72 [2024-01-31 16:08:42,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:42,622 INFO L124 PetriNetUnfolderBase]: 279/522 cut-off events. [2024-01-31 16:08:42,622 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:42,623 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. [2024-01-31 16:08:42,625 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 25 selfloop transitions, 2 changer transitions 0/36 dead transitions. [2024-01-31 16:08:42,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 36 transitions, 136 flow [2024-01-31 16:08:42,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:42,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:42,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2024-01-31 16:08:42,626 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4351851851851852 [2024-01-31 16:08:42,627 INFO L175 Difference]: Start difference. First operand has 46 places, 37 transitions, 84 flow. Second operand 3 states and 94 transitions. [2024-01-31 16:08:42,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 36 transitions, 136 flow [2024-01-31 16:08:42,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 36 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:42,628 INFO L231 Difference]: Finished difference. Result has 45 places, 36 transitions, 82 flow [2024-01-31 16:08:42,628 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} [2024-01-31 16:08:42,628 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -33 predicate places. [2024-01-31 16:08:42,628 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 82 flow [2024-01-31 16:08:42,629 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) [2024-01-31 16:08:42,629 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:42,629 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:08:42,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-31 16:08:42,629 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:42,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:42,630 INFO L85 PathProgramCache]: Analyzing trace with hash -2105541937, now seen corresponding path program 1 times [2024-01-31 16:08:42,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:42,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304608435] [2024-01-31 16:08:42,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:42,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:42,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:42,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:42,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304608435] [2024-01-31 16:08:42,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304608435] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:42,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:42,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:42,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122806816] [2024-01-31 16:08:42,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:42,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:42,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:42,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:42,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:42,661 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 72 [2024-01-31 16:08:42,662 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) [2024-01-31 16:08:42,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:42,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 72 [2024-01-31 16:08:42,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:42,735 INFO L124 PetriNetUnfolderBase]: 279/521 cut-off events. [2024-01-31 16:08:42,735 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:42,736 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. [2024-01-31 16:08:42,738 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 24 selfloop transitions, 2 changer transitions 0/35 dead transitions. [2024-01-31 16:08:42,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 35 transitions, 132 flow [2024-01-31 16:08:42,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:42,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:42,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 96 transitions. [2024-01-31 16:08:42,739 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444 [2024-01-31 16:08:42,739 INFO L175 Difference]: Start difference. First operand has 45 places, 36 transitions, 82 flow. Second operand 3 states and 96 transitions. [2024-01-31 16:08:42,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 35 transitions, 132 flow [2024-01-31 16:08:42,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 35 transitions, 128 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:42,740 INFO L231 Difference]: Finished difference. Result has 44 places, 35 transitions, 80 flow [2024-01-31 16:08:42,740 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} [2024-01-31 16:08:42,741 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -34 predicate places. [2024-01-31 16:08:42,741 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 35 transitions, 80 flow [2024-01-31 16:08:42,741 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) [2024-01-31 16:08:42,741 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:42,741 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:08:42,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-31 16:08:42,742 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:42,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:42,742 INFO L85 PathProgramCache]: Analyzing trace with hash -847289773, now seen corresponding path program 1 times [2024-01-31 16:08:42,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:42,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742856842] [2024-01-31 16:08:42,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:42,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:42,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:42,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:42,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742856842] [2024-01-31 16:08:42,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742856842] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:42,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:42,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:42,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502861021] [2024-01-31 16:08:42,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:42,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:42,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:42,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:42,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:42,773 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 72 [2024-01-31 16:08:42,773 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) [2024-01-31 16:08:42,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:42,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 72 [2024-01-31 16:08:42,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:42,834 INFO L124 PetriNetUnfolderBase]: 279/520 cut-off events. [2024-01-31 16:08:42,834 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:42,835 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. [2024-01-31 16:08:42,837 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 23 selfloop transitions, 2 changer transitions 0/34 dead transitions. [2024-01-31 16:08:42,837 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 34 transitions, 128 flow [2024-01-31 16:08:42,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:42,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:42,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 98 transitions. [2024-01-31 16:08:42,839 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4537037037037037 [2024-01-31 16:08:42,839 INFO L175 Difference]: Start difference. First operand has 44 places, 35 transitions, 80 flow. Second operand 3 states and 98 transitions. [2024-01-31 16:08:42,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 34 transitions, 128 flow [2024-01-31 16:08:42,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 34 transitions, 124 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:42,840 INFO L231 Difference]: Finished difference. Result has 43 places, 34 transitions, 78 flow [2024-01-31 16:08:42,840 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} [2024-01-31 16:08:42,841 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -35 predicate places. [2024-01-31 16:08:42,841 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 34 transitions, 78 flow [2024-01-31 16:08:42,841 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) [2024-01-31 16:08:42,841 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:42,841 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:08:42,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-31 16:08:42,842 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:42,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:42,842 INFO L85 PathProgramCache]: Analyzing trace with hash -85921438, now seen corresponding path program 1 times [2024-01-31 16:08:42,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:42,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012908100] [2024-01-31 16:08:42,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:42,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:42,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:42,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:42,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012908100] [2024-01-31 16:08:42,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012908100] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:42,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:42,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-31 16:08:42,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009471224] [2024-01-31 16:08:42,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:42,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:08:42,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:42,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:08:42,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:08:42,942 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 72 [2024-01-31 16:08:42,942 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) [2024-01-31 16:08:42,943 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:42,943 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 72 [2024-01-31 16:08:42,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:43,027 INFO L124 PetriNetUnfolderBase]: 279/514 cut-off events. [2024-01-31 16:08:43,027 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:43,028 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. [2024-01-31 16:08:43,030 INFO L140 encePairwiseOnDemand]: 68/72 looper letters, 34 selfloop transitions, 2 changer transitions 0/43 dead transitions. [2024-01-31 16:08:43,030 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 43 transitions, 172 flow [2024-01-31 16:08:43,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-31 16:08:43,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-31 16:08:43,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 126 transitions. [2024-01-31 16:08:43,031 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4375 [2024-01-31 16:08:43,031 INFO L175 Difference]: Start difference. First operand has 43 places, 34 transitions, 78 flow. Second operand 4 states and 126 transitions. [2024-01-31 16:08:43,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 43 transitions, 172 flow [2024-01-31 16:08:43,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 43 transitions, 168 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:43,033 INFO L231 Difference]: Finished difference. Result has 42 places, 32 transitions, 74 flow [2024-01-31 16:08:43,034 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} [2024-01-31 16:08:43,035 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -36 predicate places. [2024-01-31 16:08:43,036 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 32 transitions, 74 flow [2024-01-31 16:08:43,036 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) [2024-01-31 16:08:43,036 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:43,036 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:08:43,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-01-31 16:08:43,037 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:43,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:43,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1631403601, now seen corresponding path program 1 times [2024-01-31 16:08:43,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:43,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398843744] [2024-01-31 16:08:43,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:43,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 16:08:43,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-31 16:08:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 16:08:43,078 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-31 16:08:43,079 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-31 16:08:43,079 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 61 remaining) [2024-01-31 16:08:43,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 61 remaining) [2024-01-31 16:08:43,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 61 remaining) [2024-01-31 16:08:43,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 61 remaining) [2024-01-31 16:08:43,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 61 remaining) [2024-01-31 16:08:43,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 61 remaining) [2024-01-31 16:08:43,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 61 remaining) [2024-01-31 16:08:43,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 61 remaining) [2024-01-31 16:08:43,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 61 remaining) [2024-01-31 16:08:43,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 61 remaining) [2024-01-31 16:08:43,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 61 remaining) [2024-01-31 16:08:43,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 61 remaining) [2024-01-31 16:08:43,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 61 remaining) [2024-01-31 16:08:43,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 61 remaining) [2024-01-31 16:08:43,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 61 remaining) [2024-01-31 16:08:43,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 61 remaining) [2024-01-31 16:08:43,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 61 remaining) [2024-01-31 16:08:43,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 61 remaining) [2024-01-31 16:08:43,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 61 remaining) [2024-01-31 16:08:43,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 61 remaining) [2024-01-31 16:08:43,084 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 61 remaining) [2024-01-31 16:08:43,084 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 61 remaining) [2024-01-31 16:08:43,084 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 61 remaining) [2024-01-31 16:08:43,084 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 61 remaining) [2024-01-31 16:08:43,084 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 61 remaining) [2024-01-31 16:08:43,084 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 61 remaining) [2024-01-31 16:08:43,084 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 61 remaining) [2024-01-31 16:08:43,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 61 remaining) [2024-01-31 16:08:43,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 61 remaining) [2024-01-31 16:08:43,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 61 remaining) [2024-01-31 16:08:43,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 61 remaining) [2024-01-31 16:08:43,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 61 remaining) [2024-01-31 16:08:43,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 61 remaining) [2024-01-31 16:08:43,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 61 remaining) [2024-01-31 16:08:43,086 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (26 of 61 remaining) [2024-01-31 16:08:43,086 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 61 remaining) [2024-01-31 16:08:43,086 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 61 remaining) [2024-01-31 16:08:43,086 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 61 remaining) [2024-01-31 16:08:43,086 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 61 remaining) [2024-01-31 16:08:43,086 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 61 remaining) [2024-01-31 16:08:43,086 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 61 remaining) [2024-01-31 16:08:43,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 61 remaining) [2024-01-31 16:08:43,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 61 remaining) [2024-01-31 16:08:43,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 61 remaining) [2024-01-31 16:08:43,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 61 remaining) [2024-01-31 16:08:43,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 61 remaining) [2024-01-31 16:08:43,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 61 remaining) [2024-01-31 16:08:43,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 61 remaining) [2024-01-31 16:08:43,088 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 61 remaining) [2024-01-31 16:08:43,088 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 61 remaining) [2024-01-31 16:08:43,088 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 61 remaining) [2024-01-31 16:08:43,088 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 61 remaining) [2024-01-31 16:08:43,088 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 61 remaining) [2024-01-31 16:08:43,088 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 61 remaining) [2024-01-31 16:08:43,088 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 61 remaining) [2024-01-31 16:08:43,089 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 61 remaining) [2024-01-31 16:08:43,089 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 61 remaining) [2024-01-31 16:08:43,089 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 61 remaining) [2024-01-31 16:08:43,089 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 61 remaining) [2024-01-31 16:08:43,089 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 61 remaining) [2024-01-31 16:08:43,089 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 61 remaining) [2024-01-31 16:08:43,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-01-31 16:08:43,090 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:08:43,095 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-31 16:08:43,095 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-31 16:08:43,133 INFO L503 ceAbstractionStarter]: Automizer considered 33 witness invariants [2024-01-31 16:08:43,134 INFO L504 ceAbstractionStarter]: WitnessConsidered=33 [2024-01-31 16:08:43,135 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:08:43 BasicIcfg [2024-01-31 16:08:43,135 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-31 16:08:43,135 INFO L158 Benchmark]: Toolchain (without parser) took 3566.14ms. Allocated memory was 178.3MB in the beginning and 253.8MB in the end (delta: 75.5MB). Free memory was 104.5MB in the beginning and 85.0MB in the end (delta: 19.5MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. [2024-01-31 16:08:43,135 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:08:43,136 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 178.3MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:08:43,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.16ms. Allocated memory is still 178.3MB. Free memory was 104.4MB in the beginning and 142.5MB in the end (delta: -38.1MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-01-31 16:08:43,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.67ms. Allocated memory is still 178.3MB. Free memory was 142.5MB in the beginning and 139.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 16:08:43,136 INFO L158 Benchmark]: Boogie Preprocessor took 81.93ms. Allocated memory is still 178.3MB. Free memory was 139.7MB in the beginning and 136.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 16:08:43,136 INFO L158 Benchmark]: RCFGBuilder took 856.90ms. Allocated memory is still 178.3MB. Free memory was 136.9MB in the beginning and 115.1MB in the end (delta: 21.8MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2024-01-31 16:08:43,136 INFO L158 Benchmark]: TraceAbstraction took 2259.75ms. Allocated memory was 178.3MB in the beginning and 253.8MB in the end (delta: 75.5MB). Free memory was 114.1MB in the beginning and 85.0MB in the end (delta: 29.0MB). Peak memory consumption was 104.5MB. Max. memory is 16.1GB. [2024-01-31 16:08:43,137 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 178.3MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.16ms. Allocated memory is still 178.3MB. Free memory was 104.4MB in the beginning and 142.5MB in the end (delta: -38.1MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.67ms. Allocated memory is still 178.3MB. Free memory was 142.5MB in the beginning and 139.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.93ms. Allocated memory is still 178.3MB. Free memory was 139.7MB in the beginning and 136.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 856.90ms. Allocated memory is still 178.3MB. Free memory was 136.9MB in the beginning and 115.1MB in the end (delta: 21.8MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2259.75ms. Allocated memory was 178.3MB in the beginning and 253.8MB in the end (delta: 75.5MB). Free memory was 114.1MB in the beginning and 85.0MB in the end (delta: 29.0MB). Peak memory consumption was 104.5MB. 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: 2.1s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, 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! [2024-01-31 16:08:43,158 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