./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-file-item-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-file-item-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-file-item-subst.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-file-item-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 16:08:08,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 16:08:08,482 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 16:08:08,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 16:08:08,485 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 16:08:08,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 16:08:08,500 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 16:08:08,500 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 16:08:08,501 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 16:08:08,501 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 16:08:08,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 16:08:08,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 16:08:08,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 16:08:08,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 16:08:08,502 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 16:08:08,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 16:08:08,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 16:08:08,503 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 16:08:08,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 16:08:08,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 16:08:08,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 16:08:08,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 16:08:08,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 16:08:08,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 16:08:08,505 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 16:08:08,505 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 16:08:08,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 16:08:08,505 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 16:08:08,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 16:08:08,506 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 16:08:08,506 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 16:08:08,506 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 16:08:08,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:08:08,506 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 16:08:08,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 16:08:08,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 16:08:08,507 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 16:08:08,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 16:08:08,507 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 16:08:08,507 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 16:08:08,508 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 16:08:08,508 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 16:08:08,508 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 16:08:08,508 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 16:08:08,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 16:08:08,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 16:08:08,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 16:08:08,670 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 16:08:08,670 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 16:08:08,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-file-item-subst.wvr.yml/witness.yml [2024-01-31 16:08:08,811 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 16:08:08,811 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 16:08:08,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-file-item-subst.wvr.c [2024-01-31 16:08:09,843 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 16:08:09,975 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 16:08:09,975 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-subst.wvr.c [2024-01-31 16:08:09,981 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6f37f20d/6302f7789eef422995112a0f2e243420/FLAG6daa451ef [2024-01-31 16:08:09,991 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6f37f20d/6302f7789eef422995112a0f2e243420 [2024-01-31 16:08:09,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 16:08:09,994 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 16:08:10,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 16:08:10,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 16:08:10,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 16:08:10,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:08:08" (1/2) ... [2024-01-31 16:08:10,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a280e23 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:10, skipping insertion in model container [2024-01-31 16:08:10,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:08:08" (1/2) ... [2024-01-31 16:08:10,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@187b1a96 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:10, skipping insertion in model container [2024-01-31 16:08:10,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:08:09" (2/2) ... [2024-01-31 16:08:10,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a280e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:10, skipping insertion in model container [2024-01-31 16:08:10,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:08:09" (2/2) ... [2024-01-31 16:08:10,008 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 16:08:10,044 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 16:08:10,045 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L46] (unsigned long )_argptr == 0UL [2024-01-31 16:08:10,045 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-31 16:08:10,045 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (is_null_6 == (_Bool)0)) && (filename_is_null_2 == (_Bool)0)) && (filename_is_null_5 == (_Bool)0)) && (filename_is_null_8 == (_Bool)0)) && (is_null_0 == (_Bool)0 || is_null_0 == (_Bool)1)) && (is_null_3 == (_Bool)0 || is_null_3 == (_Bool)1) [2024-01-31 16:08:10,046 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (filename_is_null_5 == (_Bool)0)) && (filename_is_null_8 == (_Bool)0)) && (is_null_0 == (_Bool)0 || is_null_0 == (_Bool)1)) && (is_null_3 == (_Bool)0 || is_null_3 == (_Bool)1)) && (is_null_6 == (_Bool)0 || is_null_6 == (_Bool)1)) && (filename_is_null_2 == (_Bool)0 || filename_is_null_2 == (_Bool)1) [2024-01-31 16:08:10,046 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-31 16:08:10,046 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (is_null_0 == (_Bool)0 || is_null_0 == (_Bool)1)) && (is_null_3 == (_Bool)0 || is_null_3 == (_Bool)1)) && (is_null_6 == (_Bool)0 || is_null_6 == (_Bool)1)) && (filename_is_null_2 == (_Bool)0 || filename_is_null_2 == (_Bool)1)) && (filename_is_null_5 == (_Bool)0 || filename_is_null_5 == (_Bool)1)) && (filename_is_null_8 == (_Bool)0 || filename_is_null_8 == (_Bool)1) [2024-01-31 16:08:10,046 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (((((((((filename_7 == 0) && (result_9 == 0)) && (result_10 == 0)) && (result_11 == 0)) && (is_null_0 == (_Bool)0)) && (is_null_3 == (_Bool)0)) && (is_null_6 == (_Bool)0)) && (filename_is_null_2 == (_Bool)0)) && (filename_is_null_5 == (_Bool)0)) && (filename_is_null_8 == (_Bool)0) [2024-01-31 16:08:10,046 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (b <= -1) && (b != 0) [2024-01-31 16:08:10,046 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (filename_is_null_2 == (_Bool)0)) && (filename_is_null_5 == (_Bool)0)) && (filename_is_null_8 == (_Bool)0)) && (is_null_0 == (_Bool)0 || is_null_0 == (_Bool)1)) && (is_null_3 == (_Bool)0 || is_null_3 == (_Bool)1)) && (is_null_6 == (_Bool)0 || is_null_6 == (_Bool)1) [2024-01-31 16:08:10,046 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] ((((((((((filename_4 == 0) && (filename_7 == 0)) && (result_9 == 0)) && (result_10 == 0)) && (result_11 == 0)) && (is_null_0 == (_Bool)0)) && (is_null_3 == (_Bool)0)) && (is_null_6 == (_Bool)0)) && (filename_is_null_2 == (_Bool)0)) && (filename_is_null_5 == (_Bool)0)) && (filename_is_null_8 == (_Bool)0) [2024-01-31 16:08:10,046 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (filename_is_null_8 == (_Bool)0)) && (is_null_0 == (_Bool)0 || is_null_0 == (_Bool)1)) && (is_null_3 == (_Bool)0 || is_null_3 == (_Bool)1)) && (is_null_6 == (_Bool)0 || is_null_6 == (_Bool)1)) && (filename_is_null_2 == (_Bool)0 || filename_is_null_2 == (_Bool)1)) && (filename_is_null_5 == (_Bool)0 || filename_is_null_5 == (_Bool)1) [2024-01-31 16:08:10,047 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (is_null_3 == (_Bool)0)) && (is_null_6 == (_Bool)0)) && (filename_is_null_2 == (_Bool)0)) && (filename_is_null_5 == (_Bool)0)) && (filename_is_null_8 == (_Bool)0)) && (is_null_0 == (_Bool)0 || is_null_0 == (_Bool)1) [2024-01-31 16:08:10,047 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (((((((((((filename_1 == 0) && (filename_4 == 0)) && (filename_7 == 0)) && (result_9 == 0)) && (result_10 == 0)) && (result_11 == 0)) && (is_null_0 == (_Bool)0)) && (is_null_3 == (_Bool)0)) && (is_null_6 == (_Bool)0)) && (filename_is_null_2 == (_Bool)0)) && (filename_is_null_5 == (_Bool)0)) && (filename_is_null_8 == (_Bool)0) [2024-01-31 16:08:10,047 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (1 <= b) && (b != 0) [2024-01-31 16:08:10,047 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (is_null_0 == (_Bool)0)) && (is_null_3 == (_Bool)0)) && (is_null_6 == (_Bool)0)) && (filename_is_null_2 == (_Bool)0)) && (filename_is_null_5 == (_Bool)0)) && (filename_is_null_8 == (_Bool)0) [2024-01-31 16:08:10,065 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 16:08:10,211 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-subst.wvr.c[3054,3067] [2024-01-31 16:08:10,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:08:10,226 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 16:08:10,347 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-subst.wvr.c[3054,3067] Start Parsing Local Start Parsing Local [2024-01-31 16:08:10,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:08:10,371 INFO L208 MainTranslator]: Completed translation [2024-01-31 16:08:10,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:10 WrapperNode [2024-01-31 16:08:10,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 16:08:10,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-31 16:08:10,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-31 16:08:10,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-31 16:08:10,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:10" (1/1) ... [2024-01-31 16:08:10,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:10" (1/1) ... [2024-01-31 16:08:10,411 INFO L138 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 227 [2024-01-31 16:08:10,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-31 16:08:10,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-31 16:08:10,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-31 16:08:10,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-31 16:08:10,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:10" (1/1) ... [2024-01-31 16:08:10,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:10" (1/1) ... [2024-01-31 16:08:10,423 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:10" (1/1) ... [2024-01-31 16:08:10,435 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 16:08:10,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:10" (1/1) ... [2024-01-31 16:08:10,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:10" (1/1) ... [2024-01-31 16:08:10,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:10" (1/1) ... [2024-01-31 16:08:10,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:10" (1/1) ... [2024-01-31 16:08:10,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:10" (1/1) ... [2024-01-31 16:08:10,447 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:10" (1/1) ... [2024-01-31 16:08:10,449 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-31 16:08:10,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-31 16:08:10,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-31 16:08:10,450 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-31 16:08:10,451 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:10" (1/1) ... [2024-01-31 16:08:10,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:08:10,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 16:08:10,490 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 16:08:10,508 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 16:08:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-31 16:08:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-31 16:08:10,534 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-31 16:08:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-31 16:08:10,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-31 16:08:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-31 16:08:10,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-31 16:08:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-31 16:08:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-31 16:08:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-31 16:08:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-31 16:08:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-31 16:08:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-31 16:08:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-31 16:08:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-31 16:08:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-31 16:08:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-31 16:08:10,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-31 16:08:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-31 16:08:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-31 16:08:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-31 16:08:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-31 16:08:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-31 16:08:10,541 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 16:08:10,652 INFO L244 CfgBuilder]: Building ICFG [2024-01-31 16:08:10,653 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-31 16:08:10,946 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-31 16:08:10,946 INFO L293 CfgBuilder]: Performing block encoding [2024-01-31 16:08:11,142 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-31 16:08:11,143 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-31 16:08:11,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:08:11 BoogieIcfgContainer [2024-01-31 16:08:11,144 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-31 16:08:11,148 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-31 16:08:11,148 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-31 16:08:11,150 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-31 16:08:11,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:08:08" (1/4) ... [2024-01-31 16:08:11,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e60086 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 04:08:11, skipping insertion in model container [2024-01-31 16:08:11,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:08:09" (2/4) ... [2024-01-31 16:08:11,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e60086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:08:11, skipping insertion in model container [2024-01-31 16:08:11,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:10" (3/4) ... [2024-01-31 16:08:11,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e60086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:08:11, skipping insertion in model container [2024-01-31 16:08:11,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:08:11" (4/4) ... [2024-01-31 16:08:11,155 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-subst.wvr.c [2024-01-31 16:08:11,168 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-31 16:08:11,168 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2024-01-31 16:08:11,168 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-31 16:08:11,230 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-31 16:08:11,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 95 transitions, 211 flow [2024-01-31 16:08:11,310 INFO L124 PetriNetUnfolderBase]: 12/92 cut-off events. [2024-01-31 16:08:11,311 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-31 16:08:11,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 92 events. 12/92 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 237 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2024-01-31 16:08:11,315 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 95 transitions, 211 flow [2024-01-31 16:08:11,318 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 91 transitions, 200 flow [2024-01-31 16:08:11,330 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-31 16:08:11,337 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;@7515b70f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-31 16:08:11,337 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-01-31 16:08:11,339 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-31 16:08:11,340 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-31 16:08:11,340 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:11,340 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:11,340 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-31 16:08:11,341 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-01-31 16:08:11,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:11,345 INFO L85 PathProgramCache]: Analyzing trace with hash 20752, now seen corresponding path program 1 times [2024-01-31 16:08:11,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:11,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879922283] [2024-01-31 16:08:11,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:11,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:11,922 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 16:08:11,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:11,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879922283] [2024-01-31 16:08:11,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879922283] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:11,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:11,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:11,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652372532] [2024-01-31 16:08:11,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:11,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:11,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:11,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:11,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:12,011 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 95 [2024-01-31 16:08:12,013 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 91 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 16:08:12,013 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:12,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 95 [2024-01-31 16:08:12,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:12,748 INFO L124 PetriNetUnfolderBase]: 4477/7214 cut-off events. [2024-01-31 16:08:12,748 INFO L125 PetriNetUnfolderBase]: For 217/217 co-relation queries the response was YES. [2024-01-31 16:08:12,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13662 conditions, 7214 events. 4477/7214 cut-off events. For 217/217 co-relation queries the response was YES. Maximal size of possible extension queue 862. Compared 56728 event pairs, 3768 based on Foata normal form. 0/6164 useless extension candidates. Maximal degree in co-relation 12464. Up to 6170 conditions per place. [2024-01-31 16:08:12,829 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 57 selfloop transitions, 2 changer transitions 0/90 dead transitions. [2024-01-31 16:08:12,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 90 transitions, 316 flow [2024-01-31 16:08:12,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:12,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:12,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 162 transitions. [2024-01-31 16:08:12,838 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5684210526315789 [2024-01-31 16:08:12,839 INFO L175 Difference]: Start difference. First operand has 89 places, 91 transitions, 200 flow. Second operand 3 states and 162 transitions. [2024-01-31 16:08:12,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 90 transitions, 316 flow [2024-01-31 16:08:12,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 90 transitions, 304 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-01-31 16:08:12,857 INFO L231 Difference]: Finished difference. Result has 84 places, 90 transitions, 190 flow [2024-01-31 16:08:12,859 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=84, PETRI_TRANSITIONS=90} [2024-01-31 16:08:12,861 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -5 predicate places. [2024-01-31 16:08:12,862 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 90 transitions, 190 flow [2024-01-31 16:08:12,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 16:08:12,862 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:12,862 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-31 16:08:12,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-31 16:08:12,863 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-01-31 16:08:12,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:12,863 INFO L85 PathProgramCache]: Analyzing trace with hash 644024, now seen corresponding path program 1 times [2024-01-31 16:08:12,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:12,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938289083] [2024-01-31 16:08:12,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:12,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:13,000 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 16:08:13,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:13,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938289083] [2024-01-31 16:08:13,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938289083] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:13,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:13,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:08:13,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982429414] [2024-01-31 16:08:13,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:13,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:08:13,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:13,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:08:13,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:08:13,055 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 95 [2024-01-31 16:08:13,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 90 transitions, 190 flow. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 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 16:08:13,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:13,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 95 [2024-01-31 16:08:13,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:13,567 INFO L124 PetriNetUnfolderBase]: 4477/7213 cut-off events. [2024-01-31 16:08:13,571 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-01-31 16:08:13,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13478 conditions, 7213 events. 4477/7213 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 862. Compared 56691 event pairs, 3768 based on Foata normal form. 0/6164 useless extension candidates. Maximal degree in co-relation 13469. Up to 6168 conditions per place. [2024-01-31 16:08:13,618 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 56 selfloop transitions, 2 changer transitions 0/89 dead transitions. [2024-01-31 16:08:13,619 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 89 transitions, 304 flow [2024-01-31 16:08:13,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:13,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:13,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 164 transitions. [2024-01-31 16:08:13,624 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5754385964912281 [2024-01-31 16:08:13,624 INFO L175 Difference]: Start difference. First operand has 84 places, 90 transitions, 190 flow. Second operand 3 states and 164 transitions. [2024-01-31 16:08:13,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 89 transitions, 304 flow [2024-01-31 16:08:13,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 89 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:13,628 INFO L231 Difference]: Finished difference. Result has 83 places, 89 transitions, 188 flow [2024-01-31 16:08:13,628 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=83, PETRI_TRANSITIONS=89} [2024-01-31 16:08:13,628 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -6 predicate places. [2024-01-31 16:08:13,629 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 89 transitions, 188 flow [2024-01-31 16:08:13,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 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 16:08:13,629 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:13,629 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-31 16:08:13,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-31 16:08:13,629 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-01-31 16:08:13,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:13,630 INFO L85 PathProgramCache]: Analyzing trace with hash 19965407, now seen corresponding path program 1 times [2024-01-31 16:08:13,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:13,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736487483] [2024-01-31 16:08:13,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:13,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:13,760 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 16:08:13,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:13,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736487483] [2024-01-31 16:08:13,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736487483] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:13,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:13,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:08:13,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371954558] [2024-01-31 16:08:13,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:13,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:08:13,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:13,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:08:13,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:08:13,806 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 95 [2024-01-31 16:08:13,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 89 transitions, 188 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 16:08:13,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:13,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 95 [2024-01-31 16:08:13,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:14,377 INFO L124 PetriNetUnfolderBase]: 4477/7212 cut-off events. [2024-01-31 16:08:14,377 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-01-31 16:08:14,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13476 conditions, 7212 events. 4477/7212 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 862. Compared 56793 event pairs, 3768 based on Foata normal form. 0/6164 useless extension candidates. Maximal degree in co-relation 13465. Up to 6166 conditions per place. [2024-01-31 16:08:14,423 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 55 selfloop transitions, 2 changer transitions 0/88 dead transitions. [2024-01-31 16:08:14,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 88 transitions, 300 flow [2024-01-31 16:08:14,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:14,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:14,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 166 transitions. [2024-01-31 16:08:14,424 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5824561403508772 [2024-01-31 16:08:14,425 INFO L175 Difference]: Start difference. First operand has 83 places, 89 transitions, 188 flow. Second operand 3 states and 166 transitions. [2024-01-31 16:08:14,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 88 transitions, 300 flow [2024-01-31 16:08:14,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 88 transitions, 296 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:14,426 INFO L231 Difference]: Finished difference. Result has 82 places, 88 transitions, 186 flow [2024-01-31 16:08:14,427 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=82, PETRI_TRANSITIONS=88} [2024-01-31 16:08:14,427 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -7 predicate places. [2024-01-31 16:08:14,427 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 88 transitions, 186 flow [2024-01-31 16:08:14,427 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 16:08:14,428 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:14,428 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-31 16:08:14,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-31 16:08:14,428 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-01-31 16:08:14,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:14,428 INFO L85 PathProgramCache]: Analyzing trace with hash 618928299, now seen corresponding path program 1 times [2024-01-31 16:08:14,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:14,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936706349] [2024-01-31 16:08:14,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:14,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:14,505 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 16:08:14,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:14,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936706349] [2024-01-31 16:08:14,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936706349] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:14,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:14,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:08:14,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262265895] [2024-01-31 16:08:14,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:14,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:08:14,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:14,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:08:14,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:08:14,553 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 95 [2024-01-31 16:08:14,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 88 transitions, 186 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 16:08:14,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:14,554 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 95 [2024-01-31 16:08:14,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:15,006 INFO L124 PetriNetUnfolderBase]: 4459/7223 cut-off events. [2024-01-31 16:08:15,006 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-01-31 16:08:15,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13486 conditions, 7223 events. 4459/7223 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 872. Compared 57939 event pairs, 1790 based on Foata normal form. 0/6242 useless extension candidates. Maximal degree in co-relation 13473. Up to 3427 conditions per place. [2024-01-31 16:08:15,043 INFO L140 encePairwiseOnDemand]: 89/95 looper letters, 80 selfloop transitions, 5 changer transitions 0/116 dead transitions. [2024-01-31 16:08:15,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 116 transitions, 414 flow [2024-01-31 16:08:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-31 16:08:15,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-31 16:08:15,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 234 transitions. [2024-01-31 16:08:15,045 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6157894736842106 [2024-01-31 16:08:15,045 INFO L175 Difference]: Start difference. First operand has 82 places, 88 transitions, 186 flow. Second operand 4 states and 234 transitions. [2024-01-31 16:08:15,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 116 transitions, 414 flow [2024-01-31 16:08:15,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 116 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:15,047 INFO L231 Difference]: Finished difference. Result has 83 places, 90 transitions, 206 flow [2024-01-31 16:08:15,047 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=206, PETRI_PLACES=83, PETRI_TRANSITIONS=90} [2024-01-31 16:08:15,048 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -6 predicate places. [2024-01-31 16:08:15,048 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 90 transitions, 206 flow [2024-01-31 16:08:15,048 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 16:08:15,049 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:15,049 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-31 16:08:15,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-31 16:08:15,049 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-01-31 16:08:15,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:15,049 INFO L85 PathProgramCache]: Analyzing trace with hash 2006908778, now seen corresponding path program 1 times [2024-01-31 16:08:15,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:15,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606933992] [2024-01-31 16:08:15,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:15,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 16:08:15,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-31 16:08:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 16:08:15,076 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-31 16:08:15,076 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-31 16:08:15,077 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 32 remaining) [2024-01-31 16:08:15,078 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 32 remaining) [2024-01-31 16:08:15,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 32 remaining) [2024-01-31 16:08:15,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 32 remaining) [2024-01-31 16:08:15,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 32 remaining) [2024-01-31 16:08:15,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 32 remaining) [2024-01-31 16:08:15,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 32 remaining) [2024-01-31 16:08:15,080 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 32 remaining) [2024-01-31 16:08:15,080 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 32 remaining) [2024-01-31 16:08:15,080 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 32 remaining) [2024-01-31 16:08:15,080 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 32 remaining) [2024-01-31 16:08:15,080 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 32 remaining) [2024-01-31 16:08:15,080 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 32 remaining) [2024-01-31 16:08:15,080 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 32 remaining) [2024-01-31 16:08:15,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 32 remaining) [2024-01-31 16:08:15,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 32 remaining) [2024-01-31 16:08:15,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 32 remaining) [2024-01-31 16:08:15,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 32 remaining) [2024-01-31 16:08:15,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 32 remaining) [2024-01-31 16:08:15,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (12 of 32 remaining) [2024-01-31 16:08:15,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 32 remaining) [2024-01-31 16:08:15,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 32 remaining) [2024-01-31 16:08:15,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 32 remaining) [2024-01-31 16:08:15,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 32 remaining) [2024-01-31 16:08:15,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 32 remaining) [2024-01-31 16:08:15,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 32 remaining) [2024-01-31 16:08:15,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 32 remaining) [2024-01-31 16:08:15,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 32 remaining) [2024-01-31 16:08:15,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 32 remaining) [2024-01-31 16:08:15,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 32 remaining) [2024-01-31 16:08:15,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 32 remaining) [2024-01-31 16:08:15,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 32 remaining) [2024-01-31 16:08:15,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-31 16:08:15,084 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-01-31 16:08:15,089 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-31 16:08:15,089 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-31 16:08:15,105 INFO L503 ceAbstractionStarter]: Automizer considered 19 witness invariants [2024-01-31 16:08:15,105 INFO L504 ceAbstractionStarter]: WitnessConsidered=19 [2024-01-31 16:08:15,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:08:15 BasicIcfg [2024-01-31 16:08:15,106 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-31 16:08:15,106 INFO L158 Benchmark]: Toolchain (without parser) took 5112.69ms. Allocated memory was 132.1MB in the beginning and 484.4MB in the end (delta: 352.3MB). Free memory was 76.1MB in the beginning and 134.2MB in the end (delta: -58.1MB). Peak memory consumption was 295.8MB. Max. memory is 16.1GB. [2024-01-31 16:08:15,107 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 132.1MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:08:15,107 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:08:15,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.78ms. Allocated memory is still 132.1MB. Free memory was 75.8MB in the beginning and 103.2MB in the end (delta: -27.3MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-01-31 16:08:15,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.40ms. Allocated memory is still 132.1MB. Free memory was 103.2MB in the beginning and 100.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 16:08:15,108 INFO L158 Benchmark]: Boogie Preprocessor took 37.55ms. Allocated memory is still 132.1MB. Free memory was 100.1MB in the beginning and 97.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 16:08:15,108 INFO L158 Benchmark]: RCFGBuilder took 694.58ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 97.0MB in the beginning and 131.0MB in the end (delta: -34.1MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-01-31 16:08:15,108 INFO L158 Benchmark]: TraceAbstraction took 3958.05ms. Allocated memory was 182.5MB in the beginning and 484.4MB in the end (delta: 302.0MB). Free memory was 129.8MB in the beginning and 134.2MB in the end (delta: -4.4MB). Peak memory consumption was 296.4MB. Max. memory is 16.1GB. [2024-01-31 16:08:15,109 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 132.1MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.78ms. Allocated memory is still 132.1MB. Free memory was 75.8MB in the beginning and 103.2MB in the end (delta: -27.3MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.40ms. Allocated memory is still 132.1MB. Free memory was 103.2MB in the beginning and 100.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.55ms. Allocated memory is still 132.1MB. Free memory was 100.1MB in the beginning and 97.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 694.58ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 97.0MB in the beginning and 131.0MB in the end (delta: -34.1MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3958.05ms. Allocated memory was 182.5MB in the beginning and 484.4MB in the end (delta: 302.0MB). Free memory was 129.8MB in the beginning and 134.2MB in the end (delta: -4.4MB). Peak memory consumption was 296.4MB. 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 filename_1, filename_4, filename_7, result_9, result_10, result_11; [L39] _Bool is_null_0, is_null_3, is_null_6, filename_is_null_2, filename_is_null_5, filename_is_null_8; [L62] pthread_t t1, t2, t3; VAL [filename_1=0, filename_4=0, filename_7=0, filename_is_null_2=0, filename_is_null_5=0, filename_is_null_8=0, is_null_0=0, is_null_3=0, is_null_6=0, result_10=0, result_11=0, result_9=0, t1={6:0}, t2={3:0}, t3={5:0}] [L64] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[filename_1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[filename_4],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_9],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_10],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_11],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_6],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_8],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L64] filename_1 = __VERIFIER_nondet_int() [L65] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[filename_4],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[filename_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_9],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_10],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_11],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_6],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_8],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L65] filename_4 = __VERIFIER_nondet_int() [L66] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[filename_7],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[result_9],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_10],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_11],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_6],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_8],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L66] filename_7 = __VERIFIER_nondet_int() [L67] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[result_9],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[result_10],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_11],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_6],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_8],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L67] is_null_0 = __VERIFIER_nondet_bool() [L68] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[result_9],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[result_10],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_11],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_6],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_is_null_8],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[is_null_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[is_null_0],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] VAL [filename_1=0, filename_4=0, filename_7=0, filename_is_null_2=0, filename_is_null_5=0, filename_is_null_8=0, is_null_0=2, is_null_3=0, is_null_6=0, result_10=0, result_11=0, result_9=0, t1={6:0}, t2={3:0}, t3={5:0}] - 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: 90]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 91]: 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: 90]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 91]: 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: 90]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 91]: 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: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 71]: 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: 75]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 84]: 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: 76]: 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: 77]: 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: 75]: 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, 135 locations, 32 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: 3.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 257 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 154 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 27 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 642 IncrementalHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 7 mSDtfsCounter, 642 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=206occurred 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, 0.7s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 409 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 16:08:15,134 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