./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-exp-term-subst.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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-exp-term-subst.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-exp-term-subst.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.extract-columns-fced0e8-m [2024-01-31 16:08:04,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 16:08:04,697 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 16:08:04,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 16:08:04,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 16:08:04,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 16:08:04,724 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 16:08:04,725 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 16:08:04,725 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 16:08:04,728 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 16:08:04,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 16:08:04,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 16:08:04,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 16:08:04,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 16:08:04,730 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 16:08:04,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 16:08:04,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 16:08:04,731 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 16:08:04,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 16:08:04,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 16:08:04,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 16:08:04,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 16:08:04,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 16:08:04,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 16:08:04,733 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 16:08:04,733 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 16:08:04,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 16:08:04,733 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 16:08:04,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 16:08:04,734 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 16:08:04,734 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 16:08:04,735 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 16:08:04,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:08:04,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 16:08:04,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 16:08:04,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 16:08:04,735 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 16:08:04,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 16:08:04,736 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 16:08:04,736 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 16:08:04,736 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 16:08:04,736 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 16:08:04,736 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 16:08:04,737 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 16:08:04,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 16:08:04,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 16:08:04,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 16:08:04,987 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 16:08:04,987 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 16:08:04,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c [2024-01-31 16:08:06,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 16:08:06,265 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 16:08:06,265 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c [2024-01-31 16:08:06,271 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eec607548/f20617a4659942be825b825c6d39a82b/FLAG06356f1ab [2024-01-31 16:08:06,281 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eec607548/f20617a4659942be825b825c6d39a82b [2024-01-31 16:08:06,283 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 16:08:06,284 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 16:08:06,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-exp-term-subst.wvr.yml/witness.yml [2024-01-31 16:08:06,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 16:08:06,389 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 16:08:06,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 16:08:06,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 16:08:06,394 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 16:08:06,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:08:06" (1/2) ... [2024-01-31 16:08:06,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff9eb66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:06, skipping insertion in model container [2024-01-31 16:08:06,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:08:06" (1/2) ... [2024-01-31 16:08:06,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d15286b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:06, skipping insertion in model container [2024-01-31 16:08:06,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:08:06" (2/2) ... [2024-01-31 16:08:06,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff9eb66 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:06, skipping insertion in model container [2024-01-31 16:08:06,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:08:06" (2/2) ... [2024-01-31 16:08:06,398 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 16:08:06,433 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 16:08:06,434 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (((((result_6 == 0) && (result_7 == 0)) && (result_8 == 0)) && (sort_label_is_null_1 == (_Bool)0)) && (sort_label_is_null_3 == (_Bool)0)) && (sort_label_is_null_5 == (_Bool)0) [2024-01-31 16:08:06,434 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (((((((sort_label_2 == 0) && (sort_label_4 == 0)) && (result_6 == 0)) && (result_7 == 0)) && (result_8 == 0)) && (sort_label_is_null_1 == (_Bool)0)) && (sort_label_is_null_3 == (_Bool)0)) && (sort_label_is_null_5 == (_Bool)0) [2024-01-31 16:08:06,434 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] ((((((((sort_label_0 == 0) && (sort_label_2 == 0)) && (sort_label_4 == 0)) && (result_6 == 0)) && (result_7 == 0)) && (result_8 == 0)) && (sort_label_is_null_1 == (_Bool)0)) && (sort_label_is_null_3 == (_Bool)0)) && (sort_label_is_null_5 == (_Bool)0) [2024-01-31 16:08:06,434 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (((((result_6 == 0) && (result_7 == 0)) && (result_8 == 0)) && (sort_label_is_null_1 == (_Bool)0 || sort_label_is_null_1 == (_Bool)1)) && (sort_label_is_null_3 == (_Bool)0 || sort_label_is_null_3 == (_Bool)1)) && (sort_label_is_null_5 == (_Bool)0 || sort_label_is_null_5 == (_Bool)1) [2024-01-31 16:08:06,435 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L46] (unsigned long )_argptr == 0UL [2024-01-31 16:08:06,435 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-01-31 16:08:06,435 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] (1 <= b) && (b != 0) [2024-01-31 16:08:06,436 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-31 16:08:06,436 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ((((((sort_label_4 == 0) && (result_6 == 0)) && (result_7 == 0)) && (result_8 == 0)) && (sort_label_is_null_1 == (_Bool)0)) && (sort_label_is_null_3 == (_Bool)0)) && (sort_label_is_null_5 == (_Bool)0) [2024-01-31 16:08:06,436 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-31 16:08:06,436 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-31 16:08:06,436 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] (b <= -1) && (b != 0) [2024-01-31 16:08:06,436 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-31 16:08:06,436 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (((((result_6 == 0) && (result_7 == 0)) && (result_8 == 0)) && (sort_label_is_null_5 == (_Bool)0)) && (sort_label_is_null_1 == (_Bool)0 || sort_label_is_null_1 == (_Bool)1)) && (sort_label_is_null_3 == (_Bool)0 || sort_label_is_null_3 == (_Bool)1) [2024-01-31 16:08:06,437 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (((((result_6 == 0) && (result_7 == 0)) && (result_8 == 0)) && (sort_label_is_null_3 == (_Bool)0)) && (sort_label_is_null_5 == (_Bool)0)) && (sort_label_is_null_1 == (_Bool)0 || sort_label_is_null_1 == (_Bool)1) [2024-01-31 16:08:06,456 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 16:08:06,616 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c[3111,3124] [2024-01-31 16:08:06,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:08:06,627 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 [2024-01-31 16:08:06,689 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c[3111,3124] Start Parsing Local Start Parsing Local [2024-01-31 16:08:06,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:08:06,703 INFO L208 MainTranslator]: Completed translation [2024-01-31 16:08:06,709 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:06 WrapperNode [2024-01-31 16:08:06,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 16:08:06,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-31 16:08:06,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-31 16:08:06,710 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-31 16:08:06,715 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 04:08:06" (1/1) ... [2024-01-31 16:08:06,734 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 04:08:06" (1/1) ... [2024-01-31 16:08:06,772 INFO L138 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 203 [2024-01-31 16:08:06,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-31 16:08:06,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-31 16:08:06,776 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-31 16:08:06,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-31 16:08:06,784 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 04:08:06" (1/1) ... [2024-01-31 16:08:06,785 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 04:08:06" (1/1) ... [2024-01-31 16:08:06,797 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 04:08:06" (1/1) ... [2024-01-31 16:08:06,816 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 16:08:06,818 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 04:08:06" (1/1) ... [2024-01-31 16:08:06,819 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 04:08:06" (1/1) ... [2024-01-31 16:08:06,832 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 04:08:06" (1/1) ... [2024-01-31 16:08:06,840 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 04:08:06" (1/1) ... [2024-01-31 16:08:06,843 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 04:08:06" (1/1) ... [2024-01-31 16:08:06,848 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 04:08:06" (1/1) ... [2024-01-31 16:08:06,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-31 16:08:06,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-31 16:08:06,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-31 16:08:06,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-31 16:08:06,857 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 04:08:06" (1/1) ... [2024-01-31 16:08:06,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:08:06,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 16:08:06,901 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 16:08:06,949 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 16:08:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-31 16:08:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-31 16:08:06,975 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-31 16:08:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-31 16:08:06,976 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-31 16:08:06,977 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-31 16:08:06,977 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-31 16:08:06,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-31 16:08:06,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-31 16:08:06,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-31 16:08:06,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-31 16:08:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-31 16:08:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-31 16:08:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-31 16:08:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-31 16:08:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-31 16:08:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-31 16:08:06,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-31 16:08:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-31 16:08:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-31 16:08:06,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-31 16:08:06,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-31 16:08:06,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-31 16:08:06,982 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 16:08:07,097 INFO L244 CfgBuilder]: Building ICFG [2024-01-31 16:08:07,099 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-31 16:08:07,436 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-31 16:08:07,436 INFO L293 CfgBuilder]: Performing block encoding [2024-01-31 16:08:07,636 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-31 16:08:07,636 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-31 16:08:07,637 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:08:07 BoogieIcfgContainer [2024-01-31 16:08:07,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-31 16:08:07,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-31 16:08:07,641 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-31 16:08:07,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-31 16:08:07,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:08:06" (1/4) ... [2024-01-31 16:08:07,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1413f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:08:07, skipping insertion in model container [2024-01-31 16:08:07,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:08:06" (2/4) ... [2024-01-31 16:08:07,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1413f9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 04:08:07, skipping insertion in model container [2024-01-31 16:08:07,645 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 04:08:06" (3/4) ... [2024-01-31 16:08:07,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1413f9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 04:08:07, skipping insertion in model container [2024-01-31 16:08:07,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:08:07" (4/4) ... [2024-01-31 16:08:07,647 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-exp-term-subst.wvr.c [2024-01-31 16:08:07,660 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-31 16:08:07,660 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2024-01-31 16:08:07,660 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-31 16:08:07,733 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-31 16:08:07,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 87 places, 86 transitions, 193 flow [2024-01-31 16:08:07,804 INFO L124 PetriNetUnfolderBase]: 9/83 cut-off events. [2024-01-31 16:08:07,804 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-31 16:08:07,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 83 events. 9/83 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 219 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2024-01-31 16:08:07,808 INFO L82 GeneralOperation]: Start removeDead. Operand has 87 places, 86 transitions, 193 flow [2024-01-31 16:08:07,815 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 82 transitions, 182 flow [2024-01-31 16:08:07,830 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-31 16:08:07,837 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;@3e45b79f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-31 16:08:07,837 INFO L358 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2024-01-31 16:08:07,841 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-31 16:08:07,841 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-31 16:08:07,841 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:07,841 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:07,842 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-31 16:08:07,842 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 32 more)] === [2024-01-31 16:08:07,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:07,846 INFO L85 PathProgramCache]: Analyzing trace with hash 18866, now seen corresponding path program 1 times [2024-01-31 16:08:07,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:07,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821377227] [2024-01-31 16:08:07,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:07,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:08,220 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 16:08:08,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:08,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821377227] [2024-01-31 16:08:08,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821377227] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:08,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:08,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:08,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553774176] [2024-01-31 16:08:08,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:08,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:08,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:08,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:08,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:08,302 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 86 [2024-01-31 16:08:08,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 82 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 16:08:08,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:08,305 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 86 [2024-01-31 16:08:08,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:09,094 INFO L124 PetriNetUnfolderBase]: 4656/7297 cut-off events. [2024-01-31 16:08:09,094 INFO L125 PetriNetUnfolderBase]: For 263/263 co-relation queries the response was YES. [2024-01-31 16:08:09,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13739 conditions, 7297 events. 4656/7297 cut-off events. For 263/263 co-relation queries the response was YES. Maximal size of possible extension queue 572. Compared 50445 event pairs, 3768 based on Foata normal form. 0/5967 useless extension candidates. Maximal degree in co-relation 12562. Up to 6164 conditions per place. [2024-01-31 16:08:09,143 INFO L140 encePairwiseOnDemand]: 83/86 looper letters, 51 selfloop transitions, 2 changer transitions 0/81 dead transitions. [2024-01-31 16:08:09,144 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 81 transitions, 286 flow [2024-01-31 16:08:09,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:09,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:09,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 147 transitions. [2024-01-31 16:08:09,157 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5697674418604651 [2024-01-31 16:08:09,159 INFO L175 Difference]: Start difference. First operand has 83 places, 82 transitions, 182 flow. Second operand 3 states and 147 transitions. [2024-01-31 16:08:09,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 81 transitions, 286 flow [2024-01-31 16:08:09,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 81 transitions, 274 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-01-31 16:08:09,186 INFO L231 Difference]: Finished difference. Result has 78 places, 81 transitions, 172 flow [2024-01-31 16:08:09,187 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=78, PETRI_TRANSITIONS=81} [2024-01-31 16:08:09,190 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -5 predicate places. [2024-01-31 16:08:09,190 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 81 transitions, 172 flow [2024-01-31 16:08:09,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 16:08:09,190 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:09,190 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-31 16:08:09,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-31 16:08:09,191 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 32 more)] === [2024-01-31 16:08:09,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:09,191 INFO L85 PathProgramCache]: Analyzing trace with hash 585491, now seen corresponding path program 1 times [2024-01-31 16:08:09,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:09,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841909571] [2024-01-31 16:08:09,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:09,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:09,348 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 16:08:09,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:09,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841909571] [2024-01-31 16:08:09,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841909571] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:09,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:09,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:08:09,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153740203] [2024-01-31 16:08:09,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:09,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:08:09,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:09,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:08:09,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:08:09,379 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 86 [2024-01-31 16:08:09,381 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 81 transitions, 172 flow. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 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 16:08:09,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:09,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 86 [2024-01-31 16:08:09,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:09,813 INFO L124 PetriNetUnfolderBase]: 3624/5806 cut-off events. [2024-01-31 16:08:09,817 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2024-01-31 16:08:09,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10816 conditions, 5806 events. 3624/5806 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 680. Compared 43327 event pairs, 2973 based on Foata normal form. 0/4967 useless extension candidates. Maximal degree in co-relation 10807. Up to 4931 conditions per place. [2024-01-31 16:08:09,844 INFO L140 encePairwiseOnDemand]: 83/86 looper letters, 48 selfloop transitions, 2 changer transitions 0/80 dead transitions. [2024-01-31 16:08:09,844 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 80 transitions, 270 flow [2024-01-31 16:08:09,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:09,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:09,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 153 transitions. [2024-01-31 16:08:09,849 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5930232558139535 [2024-01-31 16:08:09,849 INFO L175 Difference]: Start difference. First operand has 78 places, 81 transitions, 172 flow. Second operand 3 states and 153 transitions. [2024-01-31 16:08:09,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 80 transitions, 270 flow [2024-01-31 16:08:09,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 80 transitions, 266 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:09,852 INFO L231 Difference]: Finished difference. Result has 77 places, 80 transitions, 170 flow [2024-01-31 16:08:09,852 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=77, PETRI_TRANSITIONS=80} [2024-01-31 16:08:09,852 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -6 predicate places. [2024-01-31 16:08:09,852 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 80 transitions, 170 flow [2024-01-31 16:08:09,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 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 16:08:09,853 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:09,853 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-31 16:08:09,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-31 16:08:09,853 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 32 more)] === [2024-01-31 16:08:09,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:09,853 INFO L85 PathProgramCache]: Analyzing trace with hash 18150822, now seen corresponding path program 1 times [2024-01-31 16:08:09,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:09,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36331923] [2024-01-31 16:08:09,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:09,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:09,963 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 16:08:09,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:09,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36331923] [2024-01-31 16:08:09,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36331923] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:09,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:09,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:08:09,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289786124] [2024-01-31 16:08:09,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:09,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:08:09,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:09,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:08:09,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:08:09,995 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 86 [2024-01-31 16:08:09,996 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 80 transitions, 170 flow. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 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 16:08:09,996 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:09,996 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 86 [2024-01-31 16:08:09,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:10,475 INFO L124 PetriNetUnfolderBase]: 3167/5227 cut-off events. [2024-01-31 16:08:10,475 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-01-31 16:08:10,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9736 conditions, 5227 events. 3167/5227 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 40251 event pairs, 2653 based on Foata normal form. 0/4411 useless extension candidates. Maximal degree in co-relation 9725. Up to 4429 conditions per place. [2024-01-31 16:08:10,507 INFO L140 encePairwiseOnDemand]: 83/86 looper letters, 46 selfloop transitions, 2 changer transitions 0/79 dead transitions. [2024-01-31 16:08:10,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 79 transitions, 264 flow [2024-01-31 16:08:10,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:10,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:10,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 157 transitions. [2024-01-31 16:08:10,509 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6085271317829457 [2024-01-31 16:08:10,509 INFO L175 Difference]: Start difference. First operand has 77 places, 80 transitions, 170 flow. Second operand 3 states and 157 transitions. [2024-01-31 16:08:10,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 79 transitions, 264 flow [2024-01-31 16:08:10,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 79 transitions, 260 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:10,511 INFO L231 Difference]: Finished difference. Result has 76 places, 79 transitions, 168 flow [2024-01-31 16:08:10,511 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=76, PETRI_TRANSITIONS=79} [2024-01-31 16:08:10,511 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -7 predicate places. [2024-01-31 16:08:10,512 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 79 transitions, 168 flow [2024-01-31 16:08:10,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 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 16:08:10,512 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:10,512 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-31 16:08:10,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-31 16:08:10,513 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 32 more)] === [2024-01-31 16:08:10,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:10,513 INFO L85 PathProgramCache]: Analyzing trace with hash 562676101, now seen corresponding path program 1 times [2024-01-31 16:08:10,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:10,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142079488] [2024-01-31 16:08:10,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:10,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:10,577 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 16:08:10,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:10,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142079488] [2024-01-31 16:08:10,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142079488] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:10,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:10,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:08:10,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745331792] [2024-01-31 16:08:10,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:10,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:08:10,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:10,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:08:10,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:08:10,612 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 86 [2024-01-31 16:08:10,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 79 transitions, 168 flow. Second operand has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 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 16:08:10,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:10,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 86 [2024-01-31 16:08:10,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:10,966 INFO L124 PetriNetUnfolderBase]: 3167/5227 cut-off events. [2024-01-31 16:08:10,966 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2024-01-31 16:08:10,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9735 conditions, 5227 events. 3167/5227 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 642. Compared 40357 event pairs, 1163 based on Foata normal form. 0/4442 useless extension candidates. Maximal degree in co-relation 9722. Up to 2667 conditions per place. [2024-01-31 16:08:10,995 INFO L140 encePairwiseOnDemand]: 80/86 looper letters, 68 selfloop transitions, 5 changer transitions 0/104 dead transitions. [2024-01-31 16:08:10,995 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 104 transitions, 366 flow [2024-01-31 16:08:10,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-31 16:08:10,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-31 16:08:10,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 222 transitions. [2024-01-31 16:08:10,996 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6453488372093024 [2024-01-31 16:08:10,996 INFO L175 Difference]: Start difference. First operand has 76 places, 79 transitions, 168 flow. Second operand 4 states and 222 transitions. [2024-01-31 16:08:10,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 104 transitions, 366 flow [2024-01-31 16:08:10,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 104 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:10,999 INFO L231 Difference]: Finished difference. Result has 77 places, 81 transitions, 188 flow [2024-01-31 16:08:10,999 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=188, PETRI_PLACES=77, PETRI_TRANSITIONS=81} [2024-01-31 16:08:11,000 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -6 predicate places. [2024-01-31 16:08:11,000 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 81 transitions, 188 flow [2024-01-31 16:08:11,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 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 16:08:11,000 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:11,000 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-31 16:08:11,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-31 16:08:11,001 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 32 more)] === [2024-01-31 16:08:11,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:11,001 INFO L85 PathProgramCache]: Analyzing trace with hash 263090579, now seen corresponding path program 1 times [2024-01-31 16:08:11,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:11,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172878839] [2024-01-31 16:08:11,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:11,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 16:08:11,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-31 16:08:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 16:08:11,030 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-31 16:08:11,031 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-31 16:08:11,031 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 35 remaining) [2024-01-31 16:08:11,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 35 remaining) [2024-01-31 16:08:11,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 35 remaining) [2024-01-31 16:08:11,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 35 remaining) [2024-01-31 16:08:11,034 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 35 remaining) [2024-01-31 16:08:11,034 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 35 remaining) [2024-01-31 16:08:11,034 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 35 remaining) [2024-01-31 16:08:11,034 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 35 remaining) [2024-01-31 16:08:11,034 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 35 remaining) [2024-01-31 16:08:11,034 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 35 remaining) [2024-01-31 16:08:11,034 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 35 remaining) [2024-01-31 16:08:11,035 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 35 remaining) [2024-01-31 16:08:11,035 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 35 remaining) [2024-01-31 16:08:11,035 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 35 remaining) [2024-01-31 16:08:11,035 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 35 remaining) [2024-01-31 16:08:11,035 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 35 remaining) [2024-01-31 16:08:11,035 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 35 remaining) [2024-01-31 16:08:11,036 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 35 remaining) [2024-01-31 16:08:11,036 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 35 remaining) [2024-01-31 16:08:11,036 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (15 of 35 remaining) [2024-01-31 16:08:11,036 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 35 remaining) [2024-01-31 16:08:11,036 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 35 remaining) [2024-01-31 16:08:11,036 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 35 remaining) [2024-01-31 16:08:11,037 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 35 remaining) [2024-01-31 16:08:11,037 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 35 remaining) [2024-01-31 16:08:11,037 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 35 remaining) [2024-01-31 16:08:11,037 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 35 remaining) [2024-01-31 16:08:11,037 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 35 remaining) [2024-01-31 16:08:11,037 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 35 remaining) [2024-01-31 16:08:11,038 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 35 remaining) [2024-01-31 16:08:11,038 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 35 remaining) [2024-01-31 16:08:11,038 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 35 remaining) [2024-01-31 16:08:11,038 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 35 remaining) [2024-01-31 16:08:11,038 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 35 remaining) [2024-01-31 16:08:11,038 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 35 remaining) [2024-01-31 16:08:11,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-31 16:08:11,039 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-01-31 16:08:11,044 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-31 16:08:11,044 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-31 16:08:11,059 INFO L503 ceAbstractionStarter]: Automizer considered 19 witness invariants [2024-01-31 16:08:11,059 INFO L504 ceAbstractionStarter]: WitnessConsidered=19 [2024-01-31 16:08:11,060 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:08:11 BasicIcfg [2024-01-31 16:08:11,060 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-31 16:08:11,061 INFO L158 Benchmark]: Toolchain (without parser) took 4671.72ms. Allocated memory was 201.3MB in the beginning and 545.3MB in the end (delta: 343.9MB). Free memory was 170.2MB in the beginning and 224.4MB in the end (delta: -54.2MB). Peak memory consumption was 289.8MB. Max. memory is 16.1GB. [2024-01-31 16:08:11,061 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:08:11,061 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 201.3MB. Free memory was 173.3MB in the beginning and 173.3MB in the end (delta: 25.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:08:11,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.56ms. Allocated memory is still 201.3MB. Free memory was 169.2MB in the beginning and 152.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-01-31 16:08:11,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.86ms. Allocated memory is still 201.3MB. Free memory was 152.4MB in the beginning and 150.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 16:08:11,062 INFO L158 Benchmark]: Boogie Preprocessor took 80.14ms. Allocated memory is still 201.3MB. Free memory was 150.3MB in the beginning and 147.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 16:08:11,062 INFO L158 Benchmark]: RCFGBuilder took 781.84ms. Allocated memory is still 201.3MB. Free memory was 147.2MB in the beginning and 87.4MB in the end (delta: 59.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-01-31 16:08:11,062 INFO L158 Benchmark]: TraceAbstraction took 3419.07ms. Allocated memory was 201.3MB in the beginning and 545.3MB in the end (delta: 343.9MB). Free memory was 86.3MB in the beginning and 224.4MB in the end (delta: -138.1MB). Peak memory consumption was 205.9MB. Max. memory is 16.1GB. [2024-01-31 16:08:11,064 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 125.8MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 201.3MB. Free memory was 173.3MB in the beginning and 173.3MB in the end (delta: 25.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.56ms. Allocated memory is still 201.3MB. Free memory was 169.2MB in the beginning and 152.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.86ms. Allocated memory is still 201.3MB. Free memory was 152.4MB in the beginning and 150.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.14ms. Allocated memory is still 201.3MB. Free memory was 150.3MB in the beginning and 147.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 781.84ms. Allocated memory is still 201.3MB. Free memory was 147.2MB in the beginning and 87.4MB in the end (delta: 59.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3419.07ms. Allocated memory was 201.3MB in the beginning and 545.3MB in the end (delta: 343.9MB). Free memory was 86.3MB in the beginning and 224.4MB in the end (delta: -138.1MB). Peak memory consumption was 205.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 68]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] int sort_label_0, sort_label_2, sort_label_4, result_6, result_7, result_8; [L39] _Bool sort_label_is_null_1, sort_label_is_null_3, sort_label_is_null_5; [L62] pthread_t t1, t2, t3; VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=0, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={6:0}, t3={3:0}] [L64] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[sort_label_0],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[sort_label_2],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[sort_label_4],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_6],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_8],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L64] sort_label_0 = __VERIFIER_nondet_int() [L65] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[sort_label_2],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[sort_label_4],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_6],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_8],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L65] sort_label_2 = __VERIFIER_nondet_int() [L66] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[sort_label_4],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[result_6],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_8],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L66] sort_label_4 = __VERIFIER_nondet_int() [L67] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[result_6],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[result_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_8],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L67] sort_label_is_null_1 = __VERIFIER_nondet_bool() [L68] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[result_6],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[result_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_8],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[sort_label_is_null_1],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] VAL [result_6=0, result_7=0, result_8=0, sort_label_0=0, sort_label_2=0, sort_label_4=0, sort_label_is_null_1=2, sort_label_is_null_3=0, sort_label_is_null_5=0, t1={5:0}, t2={6:0}, t3={3:0}] - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 73]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 129 locations, 35 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: 3.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 182 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 541 IncrementalHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 19 mSDtfsCounter, 541 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=188occurred in iteration=4, InterpolantAutomatonStates: 13, 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, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 265 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 16:08:11,100 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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