./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.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-file-item-trans.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 59af5db6 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c ./goblint.2023-12-19_14-39-08.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-59af5db-m [2024-02-02 09:19:25,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-02 09:19:25,383 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-02 09:19:25,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-02 09:19:25,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-02 09:19:25,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-02 09:19:25,415 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-02 09:19:25,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-02 09:19:25,416 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-02 09:19:25,419 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-02 09:19:25,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-02 09:19:25,419 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-02 09:19:25,420 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-02 09:19:25,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-02 09:19:25,421 INFO L153 SettingsManager]: * Use SBE=true [2024-02-02 09:19:25,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-02 09:19:25,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-02 09:19:25,422 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-02 09:19:25,422 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-02 09:19:25,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-02 09:19:25,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-02 09:19:25,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-02 09:19:25,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-02 09:19:25,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-02 09:19:25,424 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-02 09:19:25,424 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-02 09:19:25,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-02 09:19:25,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-02 09:19:25,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-02 09:19:25,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-02 09:19:25,426 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-02 09:19:25,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-02 09:19:25,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:19:25,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-02 09:19:25,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-02 09:19:25,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-02 09:19:25,427 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-02 09:19:25,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-02 09:19:25,427 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-02 09:19:25,427 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-02 09:19:25,428 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-02 09:19:25,428 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-02 09:19:25,428 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-02 09:19:25,428 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-02 09:19:25,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-02 09:19:25,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-02 09:19:25,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-02 09:19:25,675 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-02 09:19:25,676 INFO L274 PluginConnector]: CDTParser initialized [2024-02-02 09:19:25,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c [2024-02-02 09:19:26,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-02 09:19:26,914 INFO L384 CDTParser]: Found 1 translation units. [2024-02-02 09:19:26,914 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c [2024-02-02 09:19:26,920 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47f25ee31/7f1dfae1a581426c8974827f930a4983/FLAGdcdc7ced3 [2024-02-02 09:19:26,930 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47f25ee31/7f1dfae1a581426c8974827f930a4983 [2024-02-02 09:19:26,932 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-02 09:19:26,932 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-02 09:19:26,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-file-item-trans.wvr.yml/witness.yml [2024-02-02 09:19:27,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-02 09:19:27,066 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-02 09:19:27,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-02 09:19:27,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-02 09:19:27,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-02 09:19:27,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:19:26" (1/2) ... [2024-02-02 09:19:27,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@740f93e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:19:27, skipping insertion in model container [2024-02-02 09:19:27,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:19:26" (1/2) ... [2024-02-02 09:19:27,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ab022c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:19:27, skipping insertion in model container [2024-02-02 09:19:27,074 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:19:27" (2/2) ... [2024-02-02 09:19:27,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@740f93e6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:27, skipping insertion in model container [2024-02-02 09:19:27,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:19:27" (2/2) ... [2024-02-02 09:19:27,075 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-02 09:19:27,106 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-02 09:19:27,107 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) [2024-02-02 09:19:27,107 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) [2024-02-02 09:19:27,107 INFO L101 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-02-02 09:19:27,107 INFO L101 nessWitnessExtractor]: Location invariant after [L18-L19] (((((((((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)) && (val == (_Bool)0 || val == (_Bool)1) [2024-02-02 09:19:27,108 INFO L101 nessWitnessExtractor]: Location invariant before [L90-L90] (b <= -1) && (b != 0) [2024-02-02 09:19:27,108 INFO L101 nessWitnessExtractor]: Location invariant before [L89-L89] (1 <= b) && (b != 0) [2024-02-02 09:19:27,108 INFO L101 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-02-02 09:19:27,108 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) [2024-02-02 09:19:27,108 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) [2024-02-02 09:19:27,108 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) [2024-02-02 09:19:27,109 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) [2024-02-02 09:19:27,109 INFO L101 nessWitnessExtractor]: Location invariant before [L46-L46] (unsigned long )_argptr == 0UL [2024-02-02 09:19:27,109 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) [2024-02-02 09:19:27,109 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) [2024-02-02 09:19:27,109 INFO L101 nessWitnessExtractor]: Location invariant before [L22-L25] ((((((((((((((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) [2024-02-02 09:19:27,109 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) [2024-02-02 09:19:27,109 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) [2024-02-02 09:19:27,127 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-02 09:19:27,279 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] [2024-02-02 09:19:27,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:19:27,296 INFO L202 MainTranslator]: Completed pre-run [2024-02-02 09:19:27,303 WARN L424 MainDispatcher]: Unable to annotate __assert_fail(const char *__assertion, const char *__file, unsigned int __line, const char *__function) with a witness entry [2024-02-02 09:19:27,305 WARN L424 MainDispatcher]: Unable to annotate extern int pthread_create (pthread_t *__restrict __newthread, const pthread_attr_t *__restrict __attr, void *(*__start_routine) (void *), void *__restrict __arg) __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 3))); with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-02 09:19:27,381 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 [2024-02-02 09:19:27,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:19:27,394 INFO L206 MainTranslator]: Completed translation [2024-02-02 09:19:27,395 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:27 WrapperNode [2024-02-02 09:19:27,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-02 09:19:27,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-02 09:19:27,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-02 09:19:27,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-02 09:19:27,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:27" (1/1) ... [2024-02-02 09:19:27,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:27" (1/1) ... [2024-02-02 09:19:27,470 INFO L138 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 223 [2024-02-02 09:19:27,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-02 09:19:27,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-02 09:19:27,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-02 09:19:27,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-02 09:19:27,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:27" (1/1) ... [2024-02-02 09:19:27,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:27" (1/1) ... [2024-02-02 09:19:27,518 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:27" (1/1) ... [2024-02-02 09:19:27,535 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-02-02 09:19:27,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:27" (1/1) ... [2024-02-02 09:19:27,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:27" (1/1) ... [2024-02-02 09:19:27,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:27" (1/1) ... [2024-02-02 09:19:27,562 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:27" (1/1) ... [2024-02-02 09:19:27,564 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:27" (1/1) ... [2024-02-02 09:19:27,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:27" (1/1) ... [2024-02-02 09:19:27,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-02 09:19:27,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-02 09:19:27,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-02 09:19:27,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-02 09:19:27,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:27" (1/1) ... [2024-02-02 09:19:27,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:19:27,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-02 09:19:27,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-02 09:19:27,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-02 09:19:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-02 09:19:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-02 09:19:27,640 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-02 09:19:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-02 09:19:27,641 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-02 09:19:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-02 09:19:27,641 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-02 09:19:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-02 09:19:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-02 09:19:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-02 09:19:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-02 09:19:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-02 09:19:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-02 09:19:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-02 09:19:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-02 09:19:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-02 09:19:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-02 09:19:27,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-02 09:19:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-02 09:19:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-02 09:19:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-02 09:19:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-02 09:19:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-02 09:19:27,648 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-02 09:19:27,742 INFO L244 CfgBuilder]: Building ICFG [2024-02-02 09:19:27,744 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-02 09:19:28,126 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-02 09:19:28,126 INFO L293 CfgBuilder]: Performing block encoding [2024-02-02 09:19:28,292 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-02 09:19:28,292 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-02 09:19:28,293 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:19:28 BoogieIcfgContainer [2024-02-02 09:19:28,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-02 09:19:28,295 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-02 09:19:28,295 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-02 09:19:28,297 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-02 09:19:28,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:19:26" (1/4) ... [2024-02-02 09:19:28,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e91967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:19:28, skipping insertion in model container [2024-02-02 09:19:28,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:19:27" (2/4) ... [2024-02-02 09:19:28,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e91967 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:19:28, skipping insertion in model container [2024-02-02 09:19:28,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:19:27" (3/4) ... [2024-02-02 09:19:28,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e91967 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:19:28, skipping insertion in model container [2024-02-02 09:19:28,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:19:28" (4/4) ... [2024-02-02 09:19:28,301 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-trans.wvr.c [2024-02-02 09:19:28,315 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-02 09:19:28,315 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2024-02-02 09:19:28,315 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-02 09:19:28,375 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-02-02 09:19:28,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 95 transitions, 211 flow [2024-02-02 09:19:28,447 INFO L124 PetriNetUnfolderBase]: 12/92 cut-off events. [2024-02-02 09:19:28,447 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-02 09:19:28,451 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. [2024-02-02 09:19:28,451 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 95 transitions, 211 flow [2024-02-02 09:19:28,455 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 91 transitions, 200 flow [2024-02-02 09:19:28,463 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-02 09:19:28,468 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;@51284eee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-02 09:19:28,468 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-02-02 09:19:28,470 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-02 09:19:28,470 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-02 09:19:28,470 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:19:28,470 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:19:28,471 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-02 09:19:28,471 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-02-02 09:19:28,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:19:28,475 INFO L85 PathProgramCache]: Analyzing trace with hash 20302, now seen corresponding path program 1 times [2024-02-02 09:19:28,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:19:28,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570176730] [2024-02-02 09:19:28,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:19:28,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:19:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:19:29,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:19:29,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:19:29,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570176730] [2024-02-02 09:19:29,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570176730] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:19:29,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:19:29,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:19:29,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592839752] [2024-02-02 09:19:29,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:19:29,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:19:29,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:19:29,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:19:29,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:19:29,116 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 95 [2024-02-02 09:19:29,119 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) [2024-02-02 09:19:29,119 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:19:29,119 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 95 [2024-02-02 09:19:29,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:19:29,932 INFO L124 PetriNetUnfolderBase]: 4477/7214 cut-off events. [2024-02-02 09:19:29,932 INFO L125 PetriNetUnfolderBase]: For 217/217 co-relation queries the response was YES. [2024-02-02 09:19:29,951 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. [2024-02-02 09:19:29,988 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 57 selfloop transitions, 2 changer transitions 0/90 dead transitions. [2024-02-02 09:19:29,989 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 90 transitions, 316 flow [2024-02-02 09:19:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:19:29,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:19:29,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 162 transitions. [2024-02-02 09:19:29,998 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5684210526315789 [2024-02-02 09:19:30,000 INFO L175 Difference]: Start difference. First operand has 89 places, 91 transitions, 200 flow. Second operand 3 states and 162 transitions. [2024-02-02 09:19:30,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 90 transitions, 316 flow [2024-02-02 09:19:30,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 90 transitions, 304 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-02-02 09:19:30,009 INFO L231 Difference]: Finished difference. Result has 84 places, 90 transitions, 190 flow [2024-02-02 09:19:30,011 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} [2024-02-02 09:19:30,013 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -5 predicate places. [2024-02-02 09:19:30,014 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 90 transitions, 190 flow [2024-02-02 09:19:30,014 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) [2024-02-02 09:19:30,014 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:19:30,014 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-02 09:19:30,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-02 09:19:30,014 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-02-02 09:19:30,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:19:30,015 INFO L85 PathProgramCache]: Analyzing trace with hash 630054, now seen corresponding path program 1 times [2024-02-02 09:19:30,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:19:30,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758752217] [2024-02-02 09:19:30,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:19:30,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:19:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:19:30,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:19:30,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:19:30,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758752217] [2024-02-02 09:19:30,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758752217] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:19:30,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:19:30,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-02 09:19:30,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338289346] [2024-02-02 09:19:30,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:19:30,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:19:30,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:19:30,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:19:30,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:19:30,218 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 95 [2024-02-02 09:19:30,219 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) [2024-02-02 09:19:30,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:19:30,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 95 [2024-02-02 09:19:30,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:19:30,711 INFO L124 PetriNetUnfolderBase]: 4477/7213 cut-off events. [2024-02-02 09:19:30,711 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-02-02 09:19:30,722 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. [2024-02-02 09:19:30,801 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 56 selfloop transitions, 2 changer transitions 0/89 dead transitions. [2024-02-02 09:19:30,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 89 transitions, 304 flow [2024-02-02 09:19:30,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:19:30,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:19:30,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 164 transitions. [2024-02-02 09:19:30,803 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5754385964912281 [2024-02-02 09:19:30,803 INFO L175 Difference]: Start difference. First operand has 84 places, 90 transitions, 190 flow. Second operand 3 states and 164 transitions. [2024-02-02 09:19:30,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 89 transitions, 304 flow [2024-02-02 09:19:30,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 89 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:19:30,804 INFO L231 Difference]: Finished difference. Result has 83 places, 89 transitions, 188 flow [2024-02-02 09:19:30,804 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} [2024-02-02 09:19:30,805 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -6 predicate places. [2024-02-02 09:19:30,805 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 89 transitions, 188 flow [2024-02-02 09:19:30,805 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) [2024-02-02 09:19:30,805 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:19:30,805 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-02 09:19:30,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-02 09:19:30,806 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-02-02 09:19:30,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:19:30,806 INFO L85 PathProgramCache]: Analyzing trace with hash 19532323, now seen corresponding path program 1 times [2024-02-02 09:19:30,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:19:30,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488820414] [2024-02-02 09:19:30,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:19:30,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:19:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:19:30,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:19:30,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:19:30,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488820414] [2024-02-02 09:19:30,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488820414] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:19:30,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:19:30,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-02 09:19:30,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499124469] [2024-02-02 09:19:30,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:19:30,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:19:30,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:19:30,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:19:30,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:19:31,000 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 95 [2024-02-02 09:19:31,001 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) [2024-02-02 09:19:31,001 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:19:31,001 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 95 [2024-02-02 09:19:31,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:19:31,586 INFO L124 PetriNetUnfolderBase]: 4477/7212 cut-off events. [2024-02-02 09:19:31,587 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-02-02 09:19:31,601 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. [2024-02-02 09:19:31,637 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 55 selfloop transitions, 2 changer transitions 0/88 dead transitions. [2024-02-02 09:19:31,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 88 transitions, 300 flow [2024-02-02 09:19:31,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:19:31,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:19:31,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 166 transitions. [2024-02-02 09:19:31,641 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5824561403508772 [2024-02-02 09:19:31,642 INFO L175 Difference]: Start difference. First operand has 83 places, 89 transitions, 188 flow. Second operand 3 states and 166 transitions. [2024-02-02 09:19:31,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 88 transitions, 300 flow [2024-02-02 09:19:31,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 88 transitions, 296 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:19:31,645 INFO L231 Difference]: Finished difference. Result has 82 places, 88 transitions, 186 flow [2024-02-02 09:19:31,646 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} [2024-02-02 09:19:31,647 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -7 predicate places. [2024-02-02 09:19:31,647 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 88 transitions, 186 flow [2024-02-02 09:19:31,648 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) [2024-02-02 09:19:31,648 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:19:31,648 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-02 09:19:31,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-02 09:19:31,649 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-02-02 09:19:31,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:19:31,649 INFO L85 PathProgramCache]: Analyzing trace with hash 605502679, now seen corresponding path program 1 times [2024-02-02 09:19:31,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:19:31,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126914583] [2024-02-02 09:19:31,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:19:31,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:19:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:19:31,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:19:31,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:19:31,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126914583] [2024-02-02 09:19:31,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126914583] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:19:31,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:19:31,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-02 09:19:31,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297343218] [2024-02-02 09:19:31,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:19:31,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:19:31,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:19:31,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:19:31,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:19:31,826 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 95 [2024-02-02 09:19:31,826 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) [2024-02-02 09:19:31,827 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:19:31,827 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 95 [2024-02-02 09:19:31,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:19:32,265 INFO L124 PetriNetUnfolderBase]: 4459/7223 cut-off events. [2024-02-02 09:19:32,265 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-02-02 09:19:32,279 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. [2024-02-02 09:19:32,311 INFO L140 encePairwiseOnDemand]: 89/95 looper letters, 80 selfloop transitions, 5 changer transitions 0/116 dead transitions. [2024-02-02 09:19:32,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 116 transitions, 414 flow [2024-02-02 09:19:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-02 09:19:32,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-02 09:19:32,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 234 transitions. [2024-02-02 09:19:32,313 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6157894736842106 [2024-02-02 09:19:32,313 INFO L175 Difference]: Start difference. First operand has 82 places, 88 transitions, 186 flow. Second operand 4 states and 234 transitions. [2024-02-02 09:19:32,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 116 transitions, 414 flow [2024-02-02 09:19:32,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 116 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:19:32,315 INFO L231 Difference]: Finished difference. Result has 83 places, 90 transitions, 206 flow [2024-02-02 09:19:32,316 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} [2024-02-02 09:19:32,316 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -6 predicate places. [2024-02-02 09:19:32,316 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 90 transitions, 206 flow [2024-02-02 09:19:32,317 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) [2024-02-02 09:19:32,317 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:19:32,317 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-02 09:19:32,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-02 09:19:32,317 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-02-02 09:19:32,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:19:32,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1590714540, now seen corresponding path program 1 times [2024-02-02 09:19:32,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:19:32,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083606518] [2024-02-02 09:19:32,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:19:32,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:19:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:19:32,329 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-02 09:19:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:19:32,349 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-02 09:19:32,349 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-02 09:19:32,350 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 32 remaining) [2024-02-02 09:19:32,351 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 32 remaining) [2024-02-02 09:19:32,352 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 32 remaining) [2024-02-02 09:19:32,352 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 32 remaining) [2024-02-02 09:19:32,352 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 32 remaining) [2024-02-02 09:19:32,352 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 32 remaining) [2024-02-02 09:19:32,352 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 32 remaining) [2024-02-02 09:19:32,352 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 32 remaining) [2024-02-02 09:19:32,353 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 32 remaining) [2024-02-02 09:19:32,353 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 32 remaining) [2024-02-02 09:19:32,353 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 32 remaining) [2024-02-02 09:19:32,353 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 32 remaining) [2024-02-02 09:19:32,353 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 32 remaining) [2024-02-02 09:19:32,353 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 32 remaining) [2024-02-02 09:19:32,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 32 remaining) [2024-02-02 09:19:32,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 32 remaining) [2024-02-02 09:19:32,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 32 remaining) [2024-02-02 09:19:32,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 32 remaining) [2024-02-02 09:19:32,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 32 remaining) [2024-02-02 09:19:32,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (12 of 32 remaining) [2024-02-02 09:19:32,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 32 remaining) [2024-02-02 09:19:32,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 32 remaining) [2024-02-02 09:19:32,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 32 remaining) [2024-02-02 09:19:32,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 32 remaining) [2024-02-02 09:19:32,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 32 remaining) [2024-02-02 09:19:32,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 32 remaining) [2024-02-02 09:19:32,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 32 remaining) [2024-02-02 09:19:32,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 32 remaining) [2024-02-02 09:19:32,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 32 remaining) [2024-02-02 09:19:32,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 32 remaining) [2024-02-02 09:19:32,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 32 remaining) [2024-02-02 09:19:32,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 32 remaining) [2024-02-02 09:19:32,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-02-02 09:19:32,362 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-02-02 09:19:32,367 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-02 09:19:32,368 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-02 09:19:32,384 INFO L503 ceAbstractionStarter]: Automizer considered 19 witness invariants [2024-02-02 09:19:32,384 INFO L504 ceAbstractionStarter]: WitnessConsidered=19 [2024-02-02 09:19:32,384 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 09:19:32 BasicIcfg [2024-02-02 09:19:32,385 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-02 09:19:32,385 INFO L158 Benchmark]: Toolchain (without parser) took 5319.46ms. Allocated memory was 155.2MB in the beginning and 593.5MB in the end (delta: 438.3MB). Free memory was 74.8MB in the beginning and 474.9MB in the end (delta: -400.1MB). Peak memory consumption was 389.6MB. Max. memory is 16.1GB. [2024-02-02 09:19:32,385 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:19:32,385 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 155.2MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:19:32,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.62ms. Allocated memory is still 155.2MB. Free memory was 74.8MB in the beginning and 57.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-02-02 09:19:32,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.05ms. Allocated memory is still 155.2MB. Free memory was 57.1MB in the beginning and 123.3MB in the end (delta: -66.2MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-02-02 09:19:32,386 INFO L158 Benchmark]: Boogie Preprocessor took 105.07ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 123.3MB in the beginning and 174.8MB in the end (delta: -51.5MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-02-02 09:19:32,387 INFO L158 Benchmark]: RCFGBuilder took 708.77ms. Allocated memory is still 207.6MB. Free memory was 174.8MB in the beginning and 97.2MB in the end (delta: 77.6MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2024-02-02 09:19:32,387 INFO L158 Benchmark]: TraceAbstraction took 4089.69ms. Allocated memory was 207.6MB in the beginning and 593.5MB in the end (delta: 385.9MB). Free memory was 97.2MB in the beginning and 474.9MB in the end (delta: -377.7MB). Peak memory consumption was 357.4MB. Max. memory is 16.1GB. [2024-02-02 09:19:32,388 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 155.2MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.62ms. Allocated memory is still 155.2MB. Free memory was 74.8MB in the beginning and 57.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.05ms. Allocated memory is still 155.2MB. Free memory was 57.1MB in the beginning and 123.3MB in the end (delta: -66.2MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.07ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 123.3MB in the beginning and 174.8MB in the end (delta: -51.5MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * RCFGBuilder took 708.77ms. Allocated memory is still 207.6MB. Free memory was 174.8MB in the beginning and 97.2MB in the end (delta: 77.6MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4089.69ms. Allocated memory was 207.6MB in the beginning and 593.5MB in the end (delta: 385.9MB). Free memory was 97.2MB in the beginning and 474.9MB in the end (delta: -377.7MB). Peak memory consumption was 357.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 68]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] int filename_1, filename_4, filename_7, result_9, result_10, result_11; [L39] _Bool 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: 4.0s, 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, 0.7s 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! [2024-02-02 09:19:32,427 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