./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-sre-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-sre-trans.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8857f20b 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-sre-trans.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-sre-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-8857f20-m [2024-01-29 22:57:07,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 22:57:07,783 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 22:57:07,788 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 22:57:07,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 22:57:07,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 22:57:07,827 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 22:57:07,827 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 22:57:07,828 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 22:57:07,832 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 22:57:07,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 22:57:07,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 22:57:07,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 22:57:07,835 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 22:57:07,835 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 22:57:07,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 22:57:07,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 22:57:07,836 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 22:57:07,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 22:57:07,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 22:57:07,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 22:57:07,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 22:57:07,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 22:57:07,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 22:57:07,837 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 22:57:07,837 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 22:57:07,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 22:57:07,838 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 22:57:07,838 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 22:57:07,838 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 22:57:07,839 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 22:57:07,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 22:57:07,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:57:07,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 22:57:07,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 22:57:07,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 22:57:07,840 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 22:57:07,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 22:57:07,841 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 22:57:07,841 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 22:57:07,841 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 22:57:07,841 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 22:57:07,841 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 22:57:07,842 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 22:57:08,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 22:57:08,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 22:57:08,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 22:57:08,093 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 22:57:08,094 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 22:57:08,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-sre-trans.wvr.c [2024-01-29 22:57:09,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 22:57:09,343 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 22:57:09,344 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-trans.wvr.c [2024-01-29 22:57:09,350 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e994729e1/68ca2a8224d84a49977622e120cf19e0/FLAG497aef875 [2024-01-29 22:57:09,369 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e994729e1/68ca2a8224d84a49977622e120cf19e0 [2024-01-29 22:57:09,371 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 22:57:09,371 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 22:57:09,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-sre-trans.wvr.yml/witness.yml [2024-01-29 22:57:09,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 22:57:09,439 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 22:57:09,440 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 22:57:09,440 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 22:57:09,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 22:57:09,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:57:09" (1/2) ... [2024-01-29 22:57:09,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dfc3efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:57:09, skipping insertion in model container [2024-01-29 22:57:09,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:57:09" (1/2) ... [2024-01-29 22:57:09,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@58ee59f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:57:09, skipping insertion in model container [2024-01-29 22:57:09,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:57:09" (2/2) ... [2024-01-29 22:57:09,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dfc3efa and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:57:09, skipping insertion in model container [2024-01-29 22:57:09,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:57:09" (2/2) ... [2024-01-29 22:57:09,447 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 22:57:09,463 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 22:57:09,464 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-01-29 22:57:09,464 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-29 22:57:09,464 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (((result_3 == 0) && (result_4 == 0)) && (sponsored_0 == (_Bool)0 || sponsored_0 == (_Bool)1)) && (sponsored_1 == (_Bool)0 || sponsored_1 == (_Bool)1) [2024-01-29 22:57:09,464 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] ((result_3 == 0) && (result_4 == 0)) && (sponsored_0 == (_Bool)0 || sponsored_0 == (_Bool)1) [2024-01-29 22:57:09,464 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] ((((result_3 == 0) && (result_4 == 0)) && (sponsored_0 == (_Bool)0 || sponsored_0 == (_Bool)1)) && (sponsored_1 == (_Bool)0 || sponsored_1 == (_Bool)1)) && (sponsored_2 == (_Bool)0 || sponsored_2 == (_Bool)1) [2024-01-29 22:57:09,465 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (result_3 == 0) && (result_4 == 0) [2024-01-29 22:57:09,465 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] result_3 == 0 [2024-01-29 22:57:09,465 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] ((result_3 == 0) && (result_4 == 0)) && (result_5 == 0) [2024-01-29 22:57:09,465 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] ((result_3 == 0) && (sponsored_0 == (_Bool)0)) && (sponsored_1 == (_Bool)0) [2024-01-29 22:57:09,465 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] (result_3 == 0) && (sponsored_0 == (_Bool)0) [2024-01-29 22:57:09,465 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] result_3 == 0 [2024-01-29 22:57:09,465 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] (result_3 == 0) && (result_5 == 0) [2024-01-29 22:57:09,466 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] (((result_3 == 0) && (sponsored_0 == (_Bool)0)) && (sponsored_1 == (_Bool)0)) && (sponsored_2 == (_Bool)0) [2024-01-29 22:57:09,466 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] (result_3 == 0) && (result_4 == 0) [2024-01-29 22:57:09,466 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-29 22:57:09,466 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] (result_3 == 0) && (result_4 == 0) [2024-01-29 22:57:09,466 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] ((result_3 == 0) && (result_4 == 0)) && (sponsored_2 == (_Bool)0) [2024-01-29 22:57:09,466 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] ((result_3 == 0) && (result_4 == 0)) && (result_5 == 0) [2024-01-29 22:57:09,466 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] result_3 == 0 [2024-01-29 22:57:09,467 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] ((result_3 == 0) && (result_4 == 0)) && (sponsored_0 == (_Bool)0 || sponsored_0 == (_Bool)1) [2024-01-29 22:57:09,467 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] ((result_3 == 0) && (result_4 == 0)) && (sponsored_1 == (_Bool)0 || sponsored_1 == (_Bool)1) [2024-01-29 22:57:09,467 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] ((result_3 == 0) && (result_4 == 0)) && (val == (_Bool)0 || val == (_Bool)1) [2024-01-29 22:57:09,467 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] ((result_3 == 0) && (result_4 == 0)) && (sponsored_2 == (_Bool)0) [2024-01-29 22:57:09,467 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (((result_3 == 0) && (result_4 == 0)) && (sponsored_2 == (_Bool)0)) && (sponsored_1 == (_Bool)0 || sponsored_1 == (_Bool)1) [2024-01-29 22:57:09,467 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (((result_3 == 0) && (result_4 == 0)) && (sponsored_2 == (_Bool)0)) && (sponsored_0 == (_Bool)0 || sponsored_0 == (_Bool)1) [2024-01-29 22:57:09,467 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (result_3 == 0) && (result_4 == 0) [2024-01-29 22:57:09,467 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] result_3 == 0 [2024-01-29 22:57:09,468 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] ((result_3 == 0) && (result_4 == 0)) && (result_5 == 0) [2024-01-29 22:57:09,468 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] result_3 == 0 [2024-01-29 22:57:09,468 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (result_3 == 0) && (result_4 == 0) [2024-01-29 22:57:09,468 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (result_3 == 0) && (sponsored_1 == (_Bool)0) [2024-01-29 22:57:09,468 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (result_3 == 0) && (sponsored_0 == (_Bool)0 || sponsored_0 == (_Bool)1) [2024-01-29 22:57:09,468 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (result_3 == 0) && (result_5 == 0) [2024-01-29 22:57:09,468 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (result_3 == 0) && (sponsored_2 == (_Bool)0) [2024-01-29 22:57:09,485 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 22:57:09,649 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-sre-trans.wvr.c[2311,2324] [2024-01-29 22:57:09,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:57:09,663 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 22:57:09,672 WARN L424 MainDispatcher]: Unable to annotate __assert_fail(const char *__assertion, const char *__file, unsigned int __line, const char *__function) 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 22:57:09,740 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-sre-trans.wvr.c[2311,2324] [2024-01-29 22:57:09,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:57:09,752 INFO L206 MainTranslator]: Completed translation [2024-01-29 22:57:09,752 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:57:09 WrapperNode [2024-01-29 22:57:09,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 22:57:09,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 22:57:09,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 22:57:09,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 22:57:09,759 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 29.01 10:57:09" (1/1) ... [2024-01-29 22:57:09,774 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 29.01 10:57:09" (1/1) ... [2024-01-29 22:57:09,823 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2024-01-29 22:57:09,824 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 22:57:09,825 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 22:57:09,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 22:57:09,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 22:57:09,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:57:09" (1/1) ... [2024-01-29 22:57:09,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:57:09" (1/1) ... [2024-01-29 22:57:09,857 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:57:09" (1/1) ... [2024-01-29 22:57:09,893 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-01-29 22:57:09,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:57:09" (1/1) ... [2024-01-29 22:57:09,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:57:09" (1/1) ... [2024-01-29 22:57:09,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:57:09" (1/1) ... [2024-01-29 22:57:09,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:57:09" (1/1) ... [2024-01-29 22:57:09,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:57:09" (1/1) ... [2024-01-29 22:57:09,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:57:09" (1/1) ... [2024-01-29 22:57:09,929 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 22:57:09,932 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 22:57:09,932 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 22:57:09,932 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 22:57:09,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:57:09" (1/1) ... [2024-01-29 22:57:09,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:57:09,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 22:57:09,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-29 22:57:09,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-29 22:57:10,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 22:57:10,022 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 22:57:10,022 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 22:57:10,022 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 22:57:10,022 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 22:57:10,022 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-29 22:57:10,022 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-29 22:57:10,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 22:57:10,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 22:57:10,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 22:57:10,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 22:57:10,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 22:57:10,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 22:57:10,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 22:57:10,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 22:57:10,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 22:57:10,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 22:57:10,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 22:57:10,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 22:57:10,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 22:57:10,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 22:57:10,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 22:57:10,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 22:57:10,025 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 22:57:10,107 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 22:57:10,109 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 22:57:10,390 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 22:57:10,390 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 22:57:10,468 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 22:57:10,468 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-29 22:57:10,468 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:57:10 BoogieIcfgContainer [2024-01-29 22:57:10,469 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 22:57:10,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 22:57:10,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 22:57:10,473 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 22:57:10,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 10:57:09" (1/4) ... [2024-01-29 22:57:10,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3cfcda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:57:10, skipping insertion in model container [2024-01-29 22:57:10,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:57:09" (2/4) ... [2024-01-29 22:57:10,481 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3cfcda and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 10:57:10, skipping insertion in model container [2024-01-29 22:57:10,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:57:09" (3/4) ... [2024-01-29 22:57:10,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3cfcda and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 10:57:10, skipping insertion in model container [2024-01-29 22:57:10,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:57:10" (4/4) ... [2024-01-29 22:57:10,483 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-trans.wvr.c [2024-01-29 22:57:10,499 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 22:57:10,499 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-01-29 22:57:10,500 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 22:57:10,573 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-29 22:57:10,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 85 places, 75 transitions, 171 flow [2024-01-29 22:57:10,660 INFO L124 PetriNetUnfolderBase]: 0/72 cut-off events. [2024-01-29 22:57:10,660 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-29 22:57:10,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 72 events. 0/72 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 46 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-01-29 22:57:10,662 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 75 transitions, 171 flow [2024-01-29 22:57:10,665 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 71 transitions, 160 flow [2024-01-29 22:57:10,679 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 22:57:10,686 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;@64d1c46a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 22:57:10,686 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2024-01-29 22:57:10,689 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 22:57:10,689 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 22:57:10,689 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 22:57:10,689 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:57:10,689 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 22:57:10,690 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (and 31 more)] === [2024-01-29 22:57:10,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:57:10,694 INFO L85 PathProgramCache]: Analyzing trace with hash 8930, now seen corresponding path program 1 times [2024-01-29 22:57:10,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:57:10,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356898135] [2024-01-29 22:57:10,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:57:10,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:57:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:57:10,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:57:10,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:57:10,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356898135] [2024-01-29 22:57:10,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356898135] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:57:10,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:57:10,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 22:57:10,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158612620] [2024-01-29 22:57:10,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:57:10,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:57:10,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:57:10,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:57:10,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:57:11,062 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 75 [2024-01-29 22:57:11,065 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 71 transitions, 160 flow. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:57:11,065 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:57:11,065 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 75 [2024-01-29 22:57:11,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:57:11,162 INFO L124 PetriNetUnfolderBase]: 138/319 cut-off events. [2024-01-29 22:57:11,163 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-01-29 22:57:11,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 620 conditions, 319 events. 138/319 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1123 event pairs, 30 based on Foata normal form. 3/315 useless extension candidates. Maximal degree in co-relation 498. Up to 231 conditions per place. [2024-01-29 22:57:11,169 INFO L140 encePairwiseOnDemand]: 64/75 looper letters, 39 selfloop transitions, 3 changer transitions 0/72 dead transitions. [2024-01-29 22:57:11,170 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 72 transitions, 252 flow [2024-01-29 22:57:11,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:57:11,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:57:11,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 149 transitions. [2024-01-29 22:57:11,179 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6622222222222223 [2024-01-29 22:57:11,181 INFO L175 Difference]: Start difference. First operand has 81 places, 71 transitions, 160 flow. Second operand 3 states and 149 transitions. [2024-01-29 22:57:11,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 72 transitions, 252 flow [2024-01-29 22:57:11,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 72 transitions, 236 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-01-29 22:57:11,186 INFO L231 Difference]: Finished difference. Result has 70 places, 65 transitions, 149 flow [2024-01-29 22:57:11,188 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=149, PETRI_PLACES=70, PETRI_TRANSITIONS=65} [2024-01-29 22:57:11,190 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, -11 predicate places. [2024-01-29 22:57:11,191 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 65 transitions, 149 flow [2024-01-29 22:57:11,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:57:11,191 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:57:11,191 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-29 22:57:11,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 22:57:11,191 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (and 31 more)] === [2024-01-29 22:57:11,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:57:11,192 INFO L85 PathProgramCache]: Analyzing trace with hash 277075, now seen corresponding path program 1 times [2024-01-29 22:57:11,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:57:11,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367875801] [2024-01-29 22:57:11,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:57:11,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:57:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:57:11,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:57:11,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:57:11,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367875801] [2024-01-29 22:57:11,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367875801] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:57:11,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:57:11,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 22:57:11,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097426350] [2024-01-29 22:57:11,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:57:11,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:57:11,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:57:11,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:57:11,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:57:11,475 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 75 [2024-01-29 22:57:11,477 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 65 transitions, 149 flow. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:57:11,477 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:57:11,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 75 [2024-01-29 22:57:11,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:57:11,563 INFO L124 PetriNetUnfolderBase]: 138/298 cut-off events. [2024-01-29 22:57:11,563 INFO L125 PetriNetUnfolderBase]: For 54/54 co-relation queries the response was YES. [2024-01-29 22:57:11,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 640 conditions, 298 events. 138/298 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 868 event pairs, 122 based on Foata normal form. 2/292 useless extension candidates. Maximal degree in co-relation 376. Up to 250 conditions per place. [2024-01-29 22:57:11,569 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 26 selfloop transitions, 2 changer transitions 0/62 dead transitions. [2024-01-29 22:57:11,569 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 62 transitions, 199 flow [2024-01-29 22:57:11,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:57:11,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:57:11,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 152 transitions. [2024-01-29 22:57:11,585 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6755555555555556 [2024-01-29 22:57:11,585 INFO L175 Difference]: Start difference. First operand has 70 places, 65 transitions, 149 flow. Second operand 3 states and 152 transitions. [2024-01-29 22:57:11,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 62 transitions, 199 flow [2024-01-29 22:57:11,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 62 transitions, 196 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 22:57:11,586 INFO L231 Difference]: Finished difference. Result has 68 places, 62 transitions, 144 flow [2024-01-29 22:57:11,587 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=68, PETRI_TRANSITIONS=62} [2024-01-29 22:57:11,587 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, -13 predicate places. [2024-01-29 22:57:11,587 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 62 transitions, 144 flow [2024-01-29 22:57:11,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:57:11,587 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:57:11,587 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-29 22:57:11,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 22:57:11,588 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (and 31 more)] === [2024-01-29 22:57:11,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:57:11,588 INFO L85 PathProgramCache]: Analyzing trace with hash 8589622, now seen corresponding path program 1 times [2024-01-29 22:57:11,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:57:11,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447367429] [2024-01-29 22:57:11,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:57:11,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:57:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:57:11,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:57:11,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:57:11,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447367429] [2024-01-29 22:57:11,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447367429] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:57:11,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:57:11,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 22:57:11,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409751245] [2024-01-29 22:57:11,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:57:11,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:57:11,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:57:11,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:57:11,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:57:11,691 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 75 [2024-01-29 22:57:11,692 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 62 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:57:11,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:57:11,692 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 75 [2024-01-29 22:57:11,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:57:11,762 INFO L124 PetriNetUnfolderBase]: 138/313 cut-off events. [2024-01-29 22:57:11,763 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2024-01-29 22:57:11,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 640 conditions, 313 events. 138/313 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1068 event pairs, 70 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 623. Up to 223 conditions per place. [2024-01-29 22:57:11,764 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 35 selfloop transitions, 4 changer transitions 0/70 dead transitions. [2024-01-29 22:57:11,764 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 70 transitions, 246 flow [2024-01-29 22:57:11,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:57:11,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:57:11,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 161 transitions. [2024-01-29 22:57:11,765 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7155555555555555 [2024-01-29 22:57:11,765 INFO L175 Difference]: Start difference. First operand has 68 places, 62 transitions, 144 flow. Second operand 3 states and 161 transitions. [2024-01-29 22:57:11,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 70 transitions, 246 flow [2024-01-29 22:57:11,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 70 transitions, 242 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:57:11,767 INFO L231 Difference]: Finished difference. Result has 67 places, 63 transitions, 164 flow [2024-01-29 22:57:11,767 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=67, PETRI_TRANSITIONS=63} [2024-01-29 22:57:11,767 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, -14 predicate places. [2024-01-29 22:57:11,767 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 63 transitions, 164 flow [2024-01-29 22:57:11,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:57:11,768 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:57:11,768 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:57:11,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 22:57:11,768 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (and 31 more)] === [2024-01-29 22:57:11,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:57:11,768 INFO L85 PathProgramCache]: Analyzing trace with hash -100063308, now seen corresponding path program 1 times [2024-01-29 22:57:11,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:57:11,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146299686] [2024-01-29 22:57:11,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:57:11,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:57:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:57:11,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:57:11,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:57:11,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146299686] [2024-01-29 22:57:11,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146299686] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:57:11,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:57:11,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 22:57:11,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094938615] [2024-01-29 22:57:11,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:57:11,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 22:57:11,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:57:11,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 22:57:11,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 22:57:11,863 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 75 [2024-01-29 22:57:11,863 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 63 transitions, 164 flow. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:57:11,863 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:57:11,863 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 75 [2024-01-29 22:57:11,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:57:11,936 INFO L124 PetriNetUnfolderBase]: 138/309 cut-off events. [2024-01-29 22:57:11,936 INFO L125 PetriNetUnfolderBase]: For 121/121 co-relation queries the response was YES. [2024-01-29 22:57:11,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 724 conditions, 309 events. 138/309 cut-off events. For 121/121 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1023 event pairs, 84 based on Foata normal form. 0/309 useless extension candidates. Maximal degree in co-relation 210. Up to 197 conditions per place. [2024-01-29 22:57:11,938 INFO L140 encePairwiseOnDemand]: 71/75 looper letters, 49 selfloop transitions, 6 changer transitions 0/69 dead transitions. [2024-01-29 22:57:11,938 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 69 transitions, 288 flow [2024-01-29 22:57:11,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 22:57:11,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 22:57:11,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 157 transitions. [2024-01-29 22:57:11,939 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5233333333333333 [2024-01-29 22:57:11,939 INFO L175 Difference]: Start difference. First operand has 67 places, 63 transitions, 164 flow. Second operand 4 states and 157 transitions. [2024-01-29 22:57:11,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 69 transitions, 288 flow [2024-01-29 22:57:11,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 69 transitions, 284 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 22:57:11,940 INFO L231 Difference]: Finished difference. Result has 68 places, 62 transitions, 170 flow [2024-01-29 22:57:11,941 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=170, PETRI_PLACES=68, PETRI_TRANSITIONS=62} [2024-01-29 22:57:11,941 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, -13 predicate places. [2024-01-29 22:57:11,941 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 62 transitions, 170 flow [2024-01-29 22:57:11,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:57:11,941 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:57:11,942 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:57:11,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 22:57:11,942 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (and 31 more)] === [2024-01-29 22:57:11,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:57:11,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1671548679, now seen corresponding path program 1 times [2024-01-29 22:57:11,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:57:11,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282707318] [2024-01-29 22:57:11,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:57:11,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:57:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 22:57:11,951 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 22:57:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 22:57:11,968 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 22:57:11,968 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 22:57:11,969 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 34 remaining) [2024-01-29 22:57:11,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 34 remaining) [2024-01-29 22:57:11,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 34 remaining) [2024-01-29 22:57:11,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 34 remaining) [2024-01-29 22:57:11,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 34 remaining) [2024-01-29 22:57:11,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 34 remaining) [2024-01-29 22:57:11,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 34 remaining) [2024-01-29 22:57:11,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 34 remaining) [2024-01-29 22:57:11,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 34 remaining) [2024-01-29 22:57:11,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 34 remaining) [2024-01-29 22:57:11,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 34 remaining) [2024-01-29 22:57:11,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 34 remaining) [2024-01-29 22:57:11,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 34 remaining) [2024-01-29 22:57:11,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 34 remaining) [2024-01-29 22:57:11,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 34 remaining) [2024-01-29 22:57:11,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 34 remaining) [2024-01-29 22:57:11,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 34 remaining) [2024-01-29 22:57:11,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 34 remaining) [2024-01-29 22:57:11,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 34 remaining) [2024-01-29 22:57:11,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 34 remaining) [2024-01-29 22:57:11,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 34 remaining) [2024-01-29 22:57:11,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 34 remaining) [2024-01-29 22:57:11,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 34 remaining) [2024-01-29 22:57:11,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 34 remaining) [2024-01-29 22:57:11,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 34 remaining) [2024-01-29 22:57:11,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 34 remaining) [2024-01-29 22:57:11,973 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 34 remaining) [2024-01-29 22:57:11,973 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (6 of 34 remaining) [2024-01-29 22:57:11,973 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 34 remaining) [2024-01-29 22:57:11,973 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 34 remaining) [2024-01-29 22:57:11,973 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 34 remaining) [2024-01-29 22:57:11,973 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 34 remaining) [2024-01-29 22:57:11,973 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 34 remaining) [2024-01-29 22:57:11,973 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 34 remaining) [2024-01-29 22:57:11,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 22:57:11,973 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-01-29 22:57:11,978 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 22:57:11,978 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 22:57:11,994 INFO L503 ceAbstractionStarter]: Automizer considered 27 witness invariants [2024-01-29 22:57:11,994 INFO L504 ceAbstractionStarter]: WitnessConsidered=27 [2024-01-29 22:57:11,994 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 10:57:11 BasicIcfg [2024-01-29 22:57:11,994 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 22:57:11,995 INFO L158 Benchmark]: Toolchain (without parser) took 2555.88ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 83.1MB in the beginning and 108.6MB in the end (delta: -25.5MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-01-29 22:57:11,995 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 22:57:11,995 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 159.4MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 22:57:11,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.57ms. Allocated memory is still 159.4MB. Free memory was 82.7MB in the beginning and 66.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-01-29 22:57:11,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.71ms. Allocated memory is still 159.4MB. Free memory was 66.8MB in the beginning and 65.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 22:57:11,996 INFO L158 Benchmark]: Boogie Preprocessor took 106.25ms. Allocated memory is still 159.4MB. Free memory was 64.7MB in the beginning and 62.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 22:57:11,996 INFO L158 Benchmark]: RCFGBuilder took 536.88ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 62.6MB in the beginning and 145.4MB in the end (delta: -82.8MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2024-01-29 22:57:11,996 INFO L158 Benchmark]: TraceAbstraction took 1523.99ms. Allocated memory is still 192.9MB. Free memory was 145.4MB in the beginning and 108.6MB in the end (delta: 36.8MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2024-01-29 22:57:11,998 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 159.4MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 159.4MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.57ms. Allocated memory is still 159.4MB. Free memory was 82.7MB in the beginning and 66.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.71ms. Allocated memory is still 159.4MB. Free memory was 66.8MB in the beginning and 65.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.25ms. Allocated memory is still 159.4MB. Free memory was 64.7MB in the beginning and 62.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 536.88ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 62.6MB in the beginning and 145.4MB in the end (delta: -82.8MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1523.99ms. Allocated memory is still 192.9MB. Free memory was 145.4MB in the beginning and 108.6MB in the end (delta: 36.8MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 64]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] int result_3, result_4, result_5; [L39] _Bool sponsored_0, sponsored_1, sponsored_2; [L60] pthread_t t1, t2, t3; VAL [result_3=0, result_4=0, result_5=0, sponsored_0=0, sponsored_1=0, sponsored_2=0, t1={3:0}, t2={6:0}, t3={5:0}] [L63] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[result_3],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[result_4],IntegerLiteral[0]]]]] VAL [result_3=0, result_4=0, result_5=0, sponsored_0=0, sponsored_1=0, sponsored_2=0, t1={3:0}, t2={6:0}, t3={5:0}] [L63] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[result_3],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[sponsored_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[sponsored_1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[sponsored_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] VAL [result_3=0, result_4=0, result_5=0, sponsored_0=0, sponsored_1=0, sponsored_2=0, t1={3:0}, t2={6:0}, t3={5:0}] [L63] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[result_3],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[result_5],IntegerLiteral[0]]]]] VAL [result_3=0, result_4=0, result_5=0, sponsored_0=0, sponsored_1=0, sponsored_2=0, t1={3:0}, t2={6:0}, t3={5:0}] [L63] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[result_3],IntegerLiteral[0]]]] VAL [result_3=0, result_4=0, result_5=0, sponsored_0=0, sponsored_1=0, sponsored_2=0, t1={3:0}, t2={6:0}, t3={5:0}] [L63] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[result_3],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[sponsored_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] VAL [result_3=0, result_4=0, result_5=0, sponsored_0=0, sponsored_1=0, sponsored_2=0, t1={3:0}, t2={6:0}, t3={5:0}] [L63] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[result_3],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[sponsored_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[sponsored_1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L63] sponsored_0 = __VERIFIER_nondet_bool() [L64] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[result_3],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[sponsored_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] VAL [result_3=0, result_4=0, result_5=0, sponsored_1=0, sponsored_2=0, t1={3:0}, t2={6:0}, t3={5:0}] [L64] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[result_3],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[result_5],IntegerLiteral[0]]]]] VAL [result_3=0, result_4=0, result_5=0, sponsored_1=0, sponsored_2=0, t1={3:0}, t2={6:0}, t3={5:0}] [L64] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[result_3],IntegerLiteral[0]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[sponsored_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[sponsored_0],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] VAL [result_3=0, result_4=0, result_5=0, sponsored_0=2, sponsored_1=0, sponsored_2=0, t1={3:0}, t2={6:0}, t3={5:0}] - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: 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: 64]: 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: 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: 65]: 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: 65]: 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: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 68]: 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: 70]: 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: 69]: 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, 91 locations, 34 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: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 518 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 233 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 479 IncrementalHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 44 mSDtfsCounter, 479 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 129 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-29 22:57:12,034 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