./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/chl-file-item-trans.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d8006e4b 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-trans.wvr.c ./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/chl-file-item-trans.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-d8006e4-m [2024-02-05 10:32:23,788 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-05 10:32:23,849 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-05 10:32:23,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-05 10:32:23,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-05 10:32:23,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-05 10:32:23,880 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-05 10:32:23,880 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-05 10:32:23,881 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-05 10:32:23,883 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-05 10:32:23,883 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-05 10:32:23,883 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-05 10:32:23,884 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-05 10:32:23,884 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-05 10:32:23,885 INFO L153 SettingsManager]: * Use SBE=true [2024-02-05 10:32:23,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-05 10:32:23,885 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-05 10:32:23,885 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-05 10:32:23,885 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-05 10:32:23,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-05 10:32:23,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-05 10:32:23,886 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-05 10:32:23,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-05 10:32:23,887 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-05 10:32:23,887 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-05 10:32:23,887 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-05 10:32:23,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-05 10:32:23,887 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-05 10:32:23,888 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-05 10:32:23,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-05 10:32:23,889 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-05 10:32:23,889 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-05 10:32:23,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:32:23,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-05 10:32:23,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-05 10:32:23,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-05 10:32:23,890 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-05 10:32:23,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-05 10:32:23,890 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-05 10:32:23,890 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-05 10:32:23,891 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-05 10:32:23,891 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-05 10:32:23,891 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-05 10:32:23,891 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-05 10:32:24,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-05 10:32:24,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-05 10:32:24,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-05 10:32:24,134 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-05 10:32:24,135 INFO L274 PluginConnector]: CDTParser initialized [2024-02-05 10:32:24,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c [2024-02-05 10:32:25,119 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-05 10:32:25,276 INFO L384 CDTParser]: Found 1 translation units. [2024-02-05 10:32:25,276 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c [2024-02-05 10:32:25,283 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50d02c292/0322c0e03938427db6a05c9f724a57e9/FLAG2ab1b0cea [2024-02-05 10:32:25,296 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50d02c292/0322c0e03938427db6a05c9f724a57e9 [2024-02-05 10:32:25,298 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-05 10:32:25,298 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-05 10:32:25,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/chl-file-item-trans.wvr.yml/witness.yml [2024-02-05 10:32:25,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-05 10:32:25,421 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-05 10:32:25,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-05 10:32:25,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-05 10:32:25,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-05 10:32:25,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:32:25" (1/2) ... [2024-02-05 10:32:25,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@421403ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:32:25, skipping insertion in model container [2024-02-05 10:32:25,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:32:25" (1/2) ... [2024-02-05 10:32:25,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@704b862b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:32:25, skipping insertion in model container [2024-02-05 10:32:25,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:32:25" (2/2) ... [2024-02-05 10:32:25,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@421403ea and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:25, skipping insertion in model container [2024-02-05 10:32:25,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:32:25" (2/2) ... [2024-02-05 10:32:25,435 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-05 10:32:25,492 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-05 10:32:25,493 INFO L101 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-02-05 10:32:25,493 INFO L101 nessWitnessExtractor]: Location invariant before [L46-L46] (unsigned long )_argptr == 0UL [2024-02-05 10:32:25,493 INFO L101 nessWitnessExtractor]: Location invariant before [L90-L90] (b <= -1) && (b != 0) [2024-02-05 10:32:25,494 INFO L101 nessWitnessExtractor]: Location invariant before [L70-L70] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (filename_2 == (_Bool)0)) && (filename_5 == (_Bool)0)) && (filename_8 == (_Bool)0)) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1)) && (isNull_3 == (_Bool)0 || isNull_3 == (_Bool)1)) && (isNull_6 == (_Bool)0 || isNull_6 == (_Bool)1) [2024-02-05 10:32:25,494 INFO L101 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-02-05 10:32:25,494 INFO L101 nessWitnessExtractor]: Location invariant before [L71-L71] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (filename_5 == (_Bool)0)) && (filename_8 == (_Bool)0)) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1)) && (isNull_3 == (_Bool)0 || isNull_3 == (_Bool)1)) && (isNull_6 == (_Bool)0 || isNull_6 == (_Bool)1)) && (filename_2 == (_Bool)0 || filename_2 == (_Bool)1) [2024-02-05 10:32:25,494 INFO L101 nessWitnessExtractor]: Location invariant before [L89-L89] (1 <= b) && (b != 0) [2024-02-05 10:32:25,494 INFO L101 nessWitnessExtractor]: Location invariant before [L68-L68] (((((((((((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (result_9 == 0)) && (result_10 == 0)) && (result_11 == 0)) && (isNull_3 == (_Bool)0)) && (isNull_6 == (_Bool)0)) && (filename_2 == (_Bool)0)) && (filename_5 == (_Bool)0)) && (filename_8 == (_Bool)0)) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1) [2024-02-05 10:32:25,494 INFO L101 nessWitnessExtractor]: Location invariant before [L64-L64] ((((((((((((((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (filename_1 == 0)) && (filename_4 == 0)) && (filename_7 == 0)) && (result_9 == 0)) && (result_10 == 0)) && (result_11 == 0)) && (isNull_0 == (_Bool)0)) && (isNull_3 == (_Bool)0)) && (isNull_6 == (_Bool)0)) && (filename_2 == (_Bool)0)) && (filename_5 == (_Bool)0)) && (filename_8 == (_Bool)0) [2024-02-05 10:32:25,494 INFO L101 nessWitnessExtractor]: Location invariant before [L65-L65] (((((((((((((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (filename_4 == 0)) && (filename_7 == 0)) && (result_9 == 0)) && (result_10 == 0)) && (result_11 == 0)) && (isNull_0 == (_Bool)0)) && (isNull_3 == (_Bool)0)) && (isNull_6 == (_Bool)0)) && (filename_2 == (_Bool)0)) && (filename_5 == (_Bool)0)) && (filename_8 == (_Bool)0) [2024-02-05 10:32:25,494 INFO L101 nessWitnessExtractor]: Location invariant before [L66-L66] ((((((((((((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (filename_7 == 0)) && (result_9 == 0)) && (result_10 == 0)) && (result_11 == 0)) && (isNull_0 == (_Bool)0)) && (isNull_3 == (_Bool)0)) && (isNull_6 == (_Bool)0)) && (filename_2 == (_Bool)0)) && (filename_5 == (_Bool)0)) && (filename_8 == (_Bool)0) [2024-02-05 10:32:25,495 INFO L101 nessWitnessExtractor]: Location invariant before [L69-L69] (((((((((((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (result_9 == 0)) && (result_10 == 0)) && (result_11 == 0)) && (isNull_6 == (_Bool)0)) && (filename_2 == (_Bool)0)) && (filename_5 == (_Bool)0)) && (filename_8 == (_Bool)0)) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1)) && (isNull_3 == (_Bool)0 || isNull_3 == (_Bool)1) [2024-02-05 10:32:25,495 INFO L101 nessWitnessExtractor]: Location invariant before [L75-L75] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1)) && (isNull_3 == (_Bool)0 || isNull_3 == (_Bool)1)) && (isNull_6 == (_Bool)0 || isNull_6 == (_Bool)1)) && (filename_2 == (_Bool)0 || filename_2 == (_Bool)1)) && (filename_5 == (_Bool)0 || filename_5 == (_Bool)1)) && (filename_8 == (_Bool)0 || filename_8 == (_Bool)1) [2024-02-05 10:32:25,495 INFO L101 nessWitnessExtractor]: Location invariant before [L67-L67] (((((((((((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (result_9 == 0)) && (result_10 == 0)) && (result_11 == 0)) && (isNull_0 == (_Bool)0)) && (isNull_3 == (_Bool)0)) && (isNull_6 == (_Bool)0)) && (filename_2 == (_Bool)0)) && (filename_5 == (_Bool)0)) && (filename_8 == (_Bool)0) [2024-02-05 10:32:25,495 INFO L101 nessWitnessExtractor]: Location invariant before [L72-L72] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (filename_8 == (_Bool)0)) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1)) && (isNull_3 == (_Bool)0 || isNull_3 == (_Bool)1)) && (isNull_6 == (_Bool)0 || isNull_6 == (_Bool)1)) && (filename_2 == (_Bool)0 || filename_2 == (_Bool)1)) && (filename_5 == (_Bool)0 || filename_5 == (_Bool)1) [2024-02-05 10:32:25,511 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-02-05 10:32:25,716 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-trans.wvr.c[2856,2869] [2024-02-05 10:32:25,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:32:25,736 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 [2024-02-05 10:32:25,818 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-trans.wvr.c[2856,2869] Start Parsing Local Start Parsing Local [2024-02-05 10:32:25,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:32:25,832 INFO L208 MainTranslator]: Completed translation [2024-02-05 10:32:25,833 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:25 WrapperNode [2024-02-05 10:32:25,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-05 10:32:25,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-05 10:32:25,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-05 10:32:25,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-05 10:32:25,839 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 05.02 10:32:25" (1/1) ... [2024-02-05 10:32:25,847 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 05.02 10:32:25" (1/1) ... [2024-02-05 10:32:25,901 INFO L138 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 223 [2024-02-05 10:32:25,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-05 10:32:25,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-05 10:32:25,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-05 10:32:25,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-05 10:32:25,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:25" (1/1) ... [2024-02-05 10:32:25,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:25" (1/1) ... [2024-02-05 10:32:25,927 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:25" (1/1) ... [2024-02-05 10:32:25,956 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-02-05 10:32:25,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:25" (1/1) ... [2024-02-05 10:32:25,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:25" (1/1) ... [2024-02-05 10:32:25,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:25" (1/1) ... [2024-02-05 10:32:25,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:25" (1/1) ... [2024-02-05 10:32:25,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:25" (1/1) ... [2024-02-05 10:32:25,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:25" (1/1) ... [2024-02-05 10:32:25,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-05 10:32:25,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-05 10:32:25,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-05 10:32:25,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-05 10:32:25,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:25" (1/1) ... [2024-02-05 10:32:26,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:32:26,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-05 10:32:26,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-05 10:32:26,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-05 10:32:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-05 10:32:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-05 10:32:26,080 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-05 10:32:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-05 10:32:26,080 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-05 10:32:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-05 10:32:26,080 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-05 10:32:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-05 10:32:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-05 10:32:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-05 10:32:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-05 10:32:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-05 10:32:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-05 10:32:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-05 10:32:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-05 10:32:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-05 10:32:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-05 10:32:26,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-05 10:32:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-05 10:32:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-05 10:32:26,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-05 10:32:26,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-05 10:32:26,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-05 10:32:26,085 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-05 10:32:26,174 INFO L244 CfgBuilder]: Building ICFG [2024-02-05 10:32:26,175 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-05 10:32:26,555 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-05 10:32:26,556 INFO L293 CfgBuilder]: Performing block encoding [2024-02-05 10:32:26,728 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-05 10:32:26,729 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-05 10:32:26,730 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:32:26 BoogieIcfgContainer [2024-02-05 10:32:26,730 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-05 10:32:26,733 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-05 10:32:26,733 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-05 10:32:26,735 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-05 10:32:26,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 10:32:25" (1/4) ... [2024-02-05 10:32:26,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b26e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:32:26, skipping insertion in model container [2024-02-05 10:32:26,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:32:25" (2/4) ... [2024-02-05 10:32:26,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b26e0f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 05.02 10:32:26, skipping insertion in model container [2024-02-05 10:32:26,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:25" (3/4) ... [2024-02-05 10:32:26,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b26e0f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 05.02 10:32:26, skipping insertion in model container [2024-02-05 10:32:26,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:32:26" (4/4) ... [2024-02-05 10:32:26,739 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-trans.wvr.c [2024-02-05 10:32:26,753 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-05 10:32:26,753 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2024-02-05 10:32:26,753 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-05 10:32:26,812 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-02-05 10:32:26,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 95 transitions, 211 flow [2024-02-05 10:32:26,888 INFO L124 PetriNetUnfolderBase]: 12/92 cut-off events. [2024-02-05 10:32:26,888 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-05 10:32:26,892 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. [2024-02-05 10:32:26,892 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 95 transitions, 211 flow [2024-02-05 10:32:26,895 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 91 transitions, 200 flow [2024-02-05 10:32:26,907 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-05 10:32:26,913 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;@70430ea9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-05 10:32:26,914 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-02-05 10:32:26,916 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-05 10:32:26,916 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-05 10:32:26,916 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:32:26,916 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:32:26,917 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-05 10:32:26,917 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-02-05 10:32:26,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:32:26,922 INFO L85 PathProgramCache]: Analyzing trace with hash 20302, now seen corresponding path program 1 times [2024-02-05 10:32:26,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:32:26,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696781409] [2024-02-05 10:32:26,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:32:26,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:32:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:32:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:32:27,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:32:27,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696781409] [2024-02-05 10:32:27,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696781409] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:32:27,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:32:27,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-05 10:32:27,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111519310] [2024-02-05 10:32:27,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:32:27,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:32:27,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:32:27,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:32:27,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:32:27,482 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 95 [2024-02-05 10:32:27,485 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) [2024-02-05 10:32:27,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:32:27,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 95 [2024-02-05 10:32:27,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:32:28,181 INFO L124 PetriNetUnfolderBase]: 4477/7214 cut-off events. [2024-02-05 10:32:28,181 INFO L125 PetriNetUnfolderBase]: For 217/217 co-relation queries the response was YES. [2024-02-05 10:32:28,196 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 56519 event pairs, 3768 based on Foata normal form. 0/6220 useless extension candidates. Maximal degree in co-relation 12464. Up to 6170 conditions per place. [2024-02-05 10:32:28,234 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 57 selfloop transitions, 2 changer transitions 0/90 dead transitions. [2024-02-05 10:32:28,234 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 90 transitions, 316 flow [2024-02-05 10:32:28,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:32:28,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:32:28,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 162 transitions. [2024-02-05 10:32:28,243 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5684210526315789 [2024-02-05 10:32:28,244 INFO L175 Difference]: Start difference. First operand has 89 places, 91 transitions, 200 flow. Second operand 3 states and 162 transitions. [2024-02-05 10:32:28,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 90 transitions, 316 flow [2024-02-05 10:32:28,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 90 transitions, 304 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-02-05 10:32:28,253 INFO L231 Difference]: Finished difference. Result has 84 places, 90 transitions, 190 flow [2024-02-05 10:32:28,255 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} [2024-02-05 10:32:28,258 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -5 predicate places. [2024-02-05 10:32:28,258 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 90 transitions, 190 flow [2024-02-05 10:32:28,258 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) [2024-02-05 10:32:28,258 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:32:28,258 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-05 10:32:28,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-05 10:32:28,259 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-02-05 10:32:28,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:32:28,259 INFO L85 PathProgramCache]: Analyzing trace with hash 630054, now seen corresponding path program 1 times [2024-02-05 10:32:28,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:32:28,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385767183] [2024-02-05 10:32:28,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:32:28,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:32:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:32:28,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:32:28,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:32:28,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385767183] [2024-02-05 10:32:28,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385767183] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:32:28,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:32:28,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-05 10:32:28,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898566038] [2024-02-05 10:32:28,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:32:28,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-05 10:32:28,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:32:28,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-05 10:32:28,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-05 10:32:28,499 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 95 [2024-02-05 10:32:28,501 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) [2024-02-05 10:32:28,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:32:28,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 95 [2024-02-05 10:32:28,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:32:29,057 INFO L124 PetriNetUnfolderBase]: 4477/7213 cut-off events. [2024-02-05 10:32:29,061 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-02-05 10:32:29,074 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 56585 event pairs, 3768 based on Foata normal form. 0/6220 useless extension candidates. Maximal degree in co-relation 13469. Up to 6168 conditions per place. [2024-02-05 10:32:29,105 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 56 selfloop transitions, 2 changer transitions 0/89 dead transitions. [2024-02-05 10:32:29,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 89 transitions, 304 flow [2024-02-05 10:32:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:32:29,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:32:29,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 164 transitions. [2024-02-05 10:32:29,108 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5754385964912281 [2024-02-05 10:32:29,108 INFO L175 Difference]: Start difference. First operand has 84 places, 90 transitions, 190 flow. Second operand 3 states and 164 transitions. [2024-02-05 10:32:29,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 89 transitions, 304 flow [2024-02-05 10:32:29,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 89 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:32:29,110 INFO L231 Difference]: Finished difference. Result has 83 places, 89 transitions, 188 flow [2024-02-05 10:32:29,110 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} [2024-02-05 10:32:29,111 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -6 predicate places. [2024-02-05 10:32:29,111 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 89 transitions, 188 flow [2024-02-05 10:32:29,111 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) [2024-02-05 10:32:29,111 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:32:29,111 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-05 10:32:29,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-05 10:32:29,111 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-02-05 10:32:29,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:32:29,112 INFO L85 PathProgramCache]: Analyzing trace with hash 19532323, now seen corresponding path program 1 times [2024-02-05 10:32:29,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:32:29,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646330055] [2024-02-05 10:32:29,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:32:29,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:32:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:32:29,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:32:29,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:32:29,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646330055] [2024-02-05 10:32:29,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646330055] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:32:29,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:32:29,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-05 10:32:29,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687275452] [2024-02-05 10:32:29,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:32:29,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-05 10:32:29,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:32:29,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-05 10:32:29,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-05 10:32:29,257 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 95 [2024-02-05 10:32:29,257 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) [2024-02-05 10:32:29,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:32:29,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 95 [2024-02-05 10:32:29,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:32:29,789 INFO L124 PetriNetUnfolderBase]: 4477/7212 cut-off events. [2024-02-05 10:32:29,789 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-02-05 10:32:29,803 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 56612 event pairs, 3768 based on Foata normal form. 0/6220 useless extension candidates. Maximal degree in co-relation 13465. Up to 6166 conditions per place. [2024-02-05 10:32:29,830 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 55 selfloop transitions, 2 changer transitions 0/88 dead transitions. [2024-02-05 10:32:29,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 88 transitions, 300 flow [2024-02-05 10:32:29,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:32:29,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:32:29,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 166 transitions. [2024-02-05 10:32:29,833 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5824561403508772 [2024-02-05 10:32:29,833 INFO L175 Difference]: Start difference. First operand has 83 places, 89 transitions, 188 flow. Second operand 3 states and 166 transitions. [2024-02-05 10:32:29,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 88 transitions, 300 flow [2024-02-05 10:32:29,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 88 transitions, 296 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:32:29,835 INFO L231 Difference]: Finished difference. Result has 82 places, 88 transitions, 186 flow [2024-02-05 10:32:29,835 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} [2024-02-05 10:32:29,835 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -7 predicate places. [2024-02-05 10:32:29,835 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 88 transitions, 186 flow [2024-02-05 10:32:29,836 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) [2024-02-05 10:32:29,836 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:32:29,836 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-05 10:32:29,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-05 10:32:29,836 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-02-05 10:32:29,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:32:29,836 INFO L85 PathProgramCache]: Analyzing trace with hash 605502679, now seen corresponding path program 1 times [2024-02-05 10:32:29,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:32:29,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505606952] [2024-02-05 10:32:29,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:32:29,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:32:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:32:30,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:32:30,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:32:30,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505606952] [2024-02-05 10:32:30,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505606952] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:32:30,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:32:30,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-05 10:32:30,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627222699] [2024-02-05 10:32:30,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:32:30,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-05 10:32:30,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:32:30,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-05 10:32:30,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-05 10:32:30,085 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 95 [2024-02-05 10:32:30,086 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) [2024-02-05 10:32:30,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:32:30,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 95 [2024-02-05 10:32:30,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:32:30,652 INFO L124 PetriNetUnfolderBase]: 4459/7223 cut-off events. [2024-02-05 10:32:30,653 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-02-05 10:32:30,665 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 57718 event pairs, 1790 based on Foata normal form. 0/6291 useless extension candidates. Maximal degree in co-relation 13473. Up to 3427 conditions per place. [2024-02-05 10:32:30,690 INFO L140 encePairwiseOnDemand]: 89/95 looper letters, 80 selfloop transitions, 5 changer transitions 0/116 dead transitions. [2024-02-05 10:32:30,690 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 116 transitions, 414 flow [2024-02-05 10:32:30,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-05 10:32:30,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-05 10:32:30,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 234 transitions. [2024-02-05 10:32:30,692 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6157894736842106 [2024-02-05 10:32:30,692 INFO L175 Difference]: Start difference. First operand has 82 places, 88 transitions, 186 flow. Second operand 4 states and 234 transitions. [2024-02-05 10:32:30,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 116 transitions, 414 flow [2024-02-05 10:32:30,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 116 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:32:30,694 INFO L231 Difference]: Finished difference. Result has 83 places, 90 transitions, 206 flow [2024-02-05 10:32:30,694 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} [2024-02-05 10:32:30,695 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -6 predicate places. [2024-02-05 10:32:30,695 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 90 transitions, 206 flow [2024-02-05 10:32:30,695 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) [2024-02-05 10:32:30,695 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:32:30,695 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-05 10:32:30,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-05 10:32:30,696 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-02-05 10:32:30,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:32:30,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1590714540, now seen corresponding path program 1 times [2024-02-05 10:32:30,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:32:30,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654272683] [2024-02-05 10:32:30,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:32:30,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:32:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-05 10:32:30,706 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-05 10:32:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-05 10:32:30,724 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-05 10:32:30,724 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-05 10:32:30,725 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 32 remaining) [2024-02-05 10:32:30,726 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 32 remaining) [2024-02-05 10:32:30,726 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 32 remaining) [2024-02-05 10:32:30,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 32 remaining) [2024-02-05 10:32:30,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 32 remaining) [2024-02-05 10:32:30,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 32 remaining) [2024-02-05 10:32:30,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 32 remaining) [2024-02-05 10:32:30,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 32 remaining) [2024-02-05 10:32:30,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 32 remaining) [2024-02-05 10:32:30,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 32 remaining) [2024-02-05 10:32:30,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 32 remaining) [2024-02-05 10:32:30,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 32 remaining) [2024-02-05 10:32:30,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 32 remaining) [2024-02-05 10:32:30,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 32 remaining) [2024-02-05 10:32:30,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 32 remaining) [2024-02-05 10:32:30,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 32 remaining) [2024-02-05 10:32:30,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 32 remaining) [2024-02-05 10:32:30,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 32 remaining) [2024-02-05 10:32:30,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 32 remaining) [2024-02-05 10:32:30,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (12 of 32 remaining) [2024-02-05 10:32:30,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 32 remaining) [2024-02-05 10:32:30,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 32 remaining) [2024-02-05 10:32:30,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 32 remaining) [2024-02-05 10:32:30,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 32 remaining) [2024-02-05 10:32:30,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 32 remaining) [2024-02-05 10:32:30,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 32 remaining) [2024-02-05 10:32:30,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 32 remaining) [2024-02-05 10:32:30,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 32 remaining) [2024-02-05 10:32:30,731 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 32 remaining) [2024-02-05 10:32:30,731 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 32 remaining) [2024-02-05 10:32:30,731 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 32 remaining) [2024-02-05 10:32:30,731 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 32 remaining) [2024-02-05 10:32:30,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-02-05 10:32:30,731 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-02-05 10:32:30,736 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-05 10:32:30,736 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-05 10:32:30,751 INFO L503 ceAbstractionStarter]: Automizer considered 19 witness invariants [2024-02-05 10:32:30,751 INFO L504 ceAbstractionStarter]: WitnessConsidered=19 [2024-02-05 10:32:30,752 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 10:32:30 BasicIcfg [2024-02-05 10:32:30,752 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-05 10:32:30,753 INFO L158 Benchmark]: Toolchain (without parser) took 5332.20ms. Allocated memory was 127.9MB in the beginning and 729.8MB in the end (delta: 601.9MB). Free memory was 68.4MB in the beginning and 444.6MB in the end (delta: -376.2MB). Peak memory consumption was 226.5MB. Max. memory is 16.1GB. [2024-02-05 10:32:30,753 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 127.9MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:32:30,753 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 127.9MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:32:30,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.30ms. Allocated memory is still 127.9MB. Free memory was 68.1MB in the beginning and 88.5MB in the end (delta: -20.4MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-02-05 10:32:30,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.16ms. Allocated memory is still 127.9MB. Free memory was 87.9MB in the beginning and 84.5MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-05 10:32:30,754 INFO L158 Benchmark]: Boogie Preprocessor took 90.35ms. Allocated memory is still 127.9MB. Free memory was 84.5MB in the beginning and 81.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-05 10:32:30,755 INFO L158 Benchmark]: RCFGBuilder took 736.01ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 81.6MB in the beginning and 77.1MB in the end (delta: 4.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-02-05 10:32:30,755 INFO L158 Benchmark]: TraceAbstraction took 4019.55ms. Allocated memory was 155.2MB in the beginning and 729.8MB in the end (delta: 574.6MB). Free memory was 76.1MB in the beginning and 444.6MB in the end (delta: -368.5MB). Peak memory consumption was 208.2MB. Max. memory is 16.1GB. [2024-02-05 10:32:30,756 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 127.9MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 127.9MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.30ms. Allocated memory is still 127.9MB. Free memory was 68.1MB in the beginning and 88.5MB in the end (delta: -20.4MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.16ms. Allocated memory is still 127.9MB. Free memory was 87.9MB in the beginning and 84.5MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.35ms. Allocated memory is still 127.9MB. Free memory was 84.5MB in the beginning and 81.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 736.01ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 81.6MB in the beginning and 77.1MB in the end (delta: 4.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4019.55ms. Allocated memory was 155.2MB in the beginning and 729.8MB in the end (delta: 574.6MB). Free memory was 76.1MB in the beginning and 444.6MB in the end (delta: -368.5MB). Peak memory consumption was 208.2MB. 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 isNull_0, isNull_3, isNull_6, filename_2, filename_5, filename_8; [L62] pthread_t t1, t2, t3; VAL [filename_1=0, filename_2=0, filename_4=0, filename_5=0, filename_7=0, filename_8=0, isNull_0=0, isNull_3=0, isNull_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[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],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[isNull_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_6],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_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[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],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[isNull_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_6],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_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[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],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[isNull_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_6],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_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[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPEQ,IdentifierExpression[result_9],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_10],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_11],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_6],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_8],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L67] isNull_0 = __VERIFIER_nondet_bool() [L68] 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[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPEQ,IdentifierExpression[result_9],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_10],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_11],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_6],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_8],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[isNull_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_0],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] VAL [filename_1=0, filename_2=0, filename_4=0, filename_5=0, filename_7=0, filename_8=0, isNull_0=2, isNull_3=0, isNull_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: 89]: 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: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 89]: 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: 58]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 89]: 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: 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: 83]: 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: 3.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 257 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 154 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.5s 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, 0.8s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 406 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! [2024-02-05 10:32:30,782 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